rev |
line source |
jbe@209
|
1
|
jbe@209
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2 #ifndef __has_include
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jbe@209
|
3 #define __has_include(x) 0
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jbe@209
|
4 #endif
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jbe@79
|
5
|
jbe@79
|
6 #include <stdlib.h>
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jbe@135
|
7 #include <stdint.h>
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jbe@135
|
8 #include <string.h>
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jbe@135
|
9 #include <errno.h>
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jbe@79
|
10 #include <unistd.h>
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jbe@135
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11 #include <signal.h>
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jbe@135
|
12 #include <fcntl.h>
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jbe@135
|
13 #include <sys/stat.h>
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jbe@79
|
14 #include <sys/socket.h>
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jbe@111
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15 #include <sys/un.h>
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jbe@95
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16 #include <netinet/in.h>
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jbe@95
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17 #include <netinet/tcp.h>
|
jbe@135
|
18 #include <sys/select.h>
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jbe@136
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19 #include <time.h>
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jbe@135
|
20 #include <netdb.h>
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jbe@107
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21 #include <arpa/inet.h>
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jbe@205
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22 #include <sys/types.h>
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jbe@205
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23 #include <sys/wait.h>
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jbe@209
|
24 #if defined(__linux__) || __has_include(<bsd/unistd.h>)
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jbe@209
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25 #include <bsd/unistd.h>
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jbe@209
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26 #endif
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jbe@211
|
27
|
jbe@243
|
28 #ifdef MOONBR_IO_USE_TLS
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jbe@243
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29 #include <tls.h>
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jbe@243
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30 #endif
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jbe@243
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31
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jbe@79
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32 #include <lua.h>
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jbe@79
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33 #include <lauxlib.h>
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jbe@79
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34 #include <lualib.h>
|
jbe@79
|
35
|
jbe@149
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36 #include <assert.h>
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jbe@149
|
37
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jbe@80
|
38 #define MOONBR_IO_MAXSTRERRORLEN 80
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jbe@85
|
39 #define MOONBR_IO_READBUFLEN 4096
|
jbe@80
|
40 #define MOONBR_IO_WRITEBUFLEN 4096
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jbe@80
|
41
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jbe@108
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42 #define MOONBR_IO_LISTEN_BACKLOG 1024
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jbe@108
|
43
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jbe@213
|
44 #define MOONBR_IO_STRERROR_R_MSG "Error detail unavailable due to noncompliant strerror_r() implementation"
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jbe@257
|
45 #define moonbr_io_prepare_errmsg() \
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jbe@213
|
46 char errmsg[MOONBR_IO_MAXSTRERRORLEN] = MOONBR_IO_STRERROR_R_MSG; \
|
jbe@80
|
47 strerror_r(errno, errmsg, MOONBR_IO_MAXSTRERRORLEN)
|
jbe@257
|
48 #define moonbr_io_return_prepared_errmsg() \
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jbe@257
|
49 lua_pushnil(L); \
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jbe@257
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50 lua_pushstring(L, errmsg); \
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jbe@257
|
51 return 2
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jbe@257
|
52 #define moonbr_io_return_errmsg() \
|
jbe@257
|
53 do { \
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jbe@257
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54 moonbr_io_prepare_errmsg(); \
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jbe@257
|
55 moonbr_io_return_prepared_errmsg(); \
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jbe@257
|
56 } while (0)
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jbe@80
|
57
|
jbe@278
|
58 #define MOONBR_IO_MAXSIGNUM 127
|
jbe@278
|
59 static int moonbr_io_signalfds[2*(MOONBR_IO_MAXSIGNUM+1)];
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jbe@278
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60 #define moonbr_io_signalfd_read(x) moonbr_io_signalfds[2*(x)+0]
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jbe@278
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61 #define moonbr_io_signalfd_write(x) moonbr_io_signalfds[2*(x)+1]
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jbe@266
|
62
|
jbe@79
|
63 #define MOONBR_IO_HANDLE_MT_REGKEY "moonbridge_io_handle"
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jbe@79
|
64 #define MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY "moonbridge_io_handle_public"
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jbe@108
|
65 #define MOONBR_IO_LISTENER_MT_REGKEY "moonbridge_io_listener"
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jbe@205
|
66 #define MOONBR_IO_CHILD_MT_REGKEY "moonbridge_io_child"
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jbe@205
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67 #define MOONBR_IO_CHILD_PT_REGKEY "moonbridge_io_child_pt"
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jbe@271
|
68 #define MOONBR_IO_SIGNALS_REGKEY "moonbridge_io_signals"
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jbe@280
|
69 #define MOONBR_IO_SIGNALSOCKETS_REGKEY "moonbridge_io_signalsockets"
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jbe@79
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70
|
jbe@243
|
71 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
72
|
jbe@243
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73 #define MOONBR_IO_TLSCONF_MT_REGKEY "moonbridge_io_tlsconf"
|
jbe@252
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74
|
jbe@252
|
75 typedef struct {
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jbe@252
|
76 struct tls_config *config;
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jbe@252
|
77 int server;
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jbe@252
|
78 } moonbr_io_tlsconf_t;
|
jbe@258
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79
|
jbe@258
|
80 #endif /* MOONBR_IO_USE_TLS */
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jbe@243
|
81
|
jbe@79
|
82 typedef struct {
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jbe@79
|
83 int fd;
|
jbe@107
|
84 int issock;
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jbe@107
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85 sa_family_t addrfam;
|
jbe@94
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86 int finished;
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jbe@94
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87 int closed;
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jbe@81
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88 int nonblocking;
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jbe@95
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89 int nopush;
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jbe@85
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90 int readerr;
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jbe@105
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91 int readbufin;
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jbe@105
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92 int readbufout;
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jbe@81
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93 int writeerr;
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jbe@83
|
94 size_t writeleft;
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jbe@132
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95 size_t flushedleft;
|
jbe@83
|
96 #if LUA_VERSION_NUM >= 503
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jbe@83
|
97 lua_Integer writeqin;
|
jbe@83
|
98 lua_Integer writeqout;
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jbe@83
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99 #else
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jbe@83
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100 int writeqin;
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jbe@83
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101 int writeqout;
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jbe@83
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102 #endif
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jbe@83
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103 size_t writeqoff;
|
jbe@103
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104 int writebufin;
|
jbe@103
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105 int writebufout;
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jbe@85
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106 char readbuf[MOONBR_IO_READBUFLEN];
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jbe@80
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107 char writebuf[MOONBR_IO_WRITEBUFLEN];
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jbe@246
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108 #ifdef MOONBR_IO_USE_TLS
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jbe@250
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109 struct tls *tls;
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jbe@250
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110 struct tls *servertls;
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jbe@250
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111 int tlshandshake;
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jbe@261
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112 int tlsclosing;
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jbe@246
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113 #endif
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jbe@79
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114 } moonbr_io_handle_t;
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jbe@79
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115
|
jbe@108
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116 typedef struct {
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jbe@108
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117 int fd;
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jbe@118
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118 sa_family_t addrfam;
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jbe@108
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119 int nonblocking;
|
jbe@108
|
120 } moonbr_io_listener_t;
|
jbe@108
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121
|
jbe@205
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122 typedef struct {
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jbe@205
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123 pid_t pid;
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jbe@205
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124 } moonbr_io_child_t;
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jbe@205
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125
|
jbe@148
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126 static int moonbr_io_yield(lua_State *L) {
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jbe@149
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127 return lua_yield(L, lua_gettop(L));
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jbe@140
|
128 }
|
jbe@140
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129
|
jbe@140
|
130 #if LUA_VERSION_NUM >= 503
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jbe@140
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131 static int moonbr_io_cont_returnall(lua_State *L, int status, lua_KContext ctx) {
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jbe@140
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132 #else
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jbe@140
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133 static int moonbr_io_cont_returnall(lua_State *L) {
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jbe@140
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134 #endif
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jbe@140
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135 return lua_gettop(L);
|
jbe@140
|
136 }
|
jbe@140
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137
|
jbe@145
|
138 #define moonbr_io_yield_wrapper(yieldfunc, callfunc) \
|
jbe@145
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139 static int yieldfunc(lua_State *L) { \
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jbe@145
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140 int args; \
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jbe@145
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141 lua_pushcfunction(L, callfunc); \
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jbe@145
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142 lua_insert(L, 1); \
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jbe@145
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143 args = lua_gettop(L); \
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jbe@148
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144 lua_pushcfunction(L, moonbr_io_yield); \
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jbe@145
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145 lua_insert(L, 3); \
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jbe@145
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146 lua_callk(L, args, LUA_MULTRET, 0, moonbr_io_cont_returnall); \
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jbe@145
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147 return lua_gettop(L); \
|
jbe@145
|
148 }
|
jbe@145
|
149
|
jbe@256
|
150 static int moonbr_io_handle_set_nonblocking(lua_State *L, moonbr_io_handle_t *handle, int nonblocking) {
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jbe@95
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151 int flags;
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jbe@256
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152 if (handle->nonblocking == nonblocking) return 0;
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jbe@95
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153 flags = fcntl(handle->fd, F_GETFL, 0);
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jbe@256
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154 if (flags == -1) return -1;
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jbe@95
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155 if (nonblocking) flags |= O_NONBLOCK;
|
jbe@95
|
156 else flags &= ~O_NONBLOCK;
|
jbe@256
|
157 if (fcntl(handle->fd, F_SETFL, flags) == -1) return -1;
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jbe@95
|
158 handle->nonblocking = nonblocking;
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jbe@256
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159 return 0;
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jbe@81
|
160 }
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jbe@81
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161
|
jbe@256
|
162 static int moonbr_io_handle_set_linger(lua_State *L, moonbr_io_handle_t *handle, int timeout) {
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jbe@87
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163 struct linger lingerval = { 0, };
|
jbe@256
|
164 if (!handle->issock) return 0;
|
jbe@87
|
165 if (timeout >= 0) {
|
jbe@87
|
166 lingerval.l_onoff = 1;
|
jbe@87
|
167 lingerval.l_linger = timeout;
|
jbe@87
|
168 }
|
jbe@256
|
169 if (setsockopt(handle->fd, SOL_SOCKET, SO_LINGER, &lingerval, sizeof(lingerval))) return -1;
|
jbe@256
|
170 return 0;
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jbe@87
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171 }
|
jbe@87
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172
|
jbe@256
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173 static inline int moonbr_io_handle_set_nopush(lua_State *L, moonbr_io_handle_t *handle, int nopush) {
|
jbe@96
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174 #if defined(TCP_NOPUSH) || defined(TCP_CORK)
|
jbe@107
|
175 if (
|
jbe@107
|
176 !(handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) ||
|
jbe@107
|
177 handle->nopush == nopush
|
jbe@256
|
178 ) return 0;
|
jbe@96
|
179 #if defined(TCP_NOPUSH)
|
jbe@256
|
180 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_NOPUSH, &nopush, sizeof(nopush))) return -1;
|
jbe@104
|
181 #elif defined(TCP_CORK)
|
jbe@256
|
182 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_CORK, &nopush, sizeof(nopush))) return -1;
|
jbe@251
|
183 #endif
|
jbe@95
|
184 handle->nopush = nopush;
|
jbe@96
|
185 #else
|
jbe@96
|
186 #warning Neither TCP_NOPUSH nor TCP_CORK is available
|
jbe@96
|
187 #endif
|
jbe@256
|
188 return 0;
|
jbe@95
|
189 }
|
jbe@95
|
190
|
jbe@86
|
191 static int moonbr_io_read_impl(lua_State *L, int nonblocking, int drain) {
|
jbe@85
|
192 moonbr_io_handle_t *handle;
|
jbe@85
|
193 lua_Integer maxread;
|
jbe@85
|
194 const char *terminatorstr;
|
jbe@210
|
195 size_t terminatorlen;
|
jbe@210
|
196 char terminator = 0; /* initialize to avoid compiler warning */
|
jbe@85
|
197 luaL_Buffer luabuf;
|
jbe@85
|
198 size_t luabufcnt = 0;
|
jbe@105
|
199 int remaining;
|
jbe@85
|
200 char *terminatorpos;
|
jbe@103
|
201 ssize_t bytesread;
|
jbe@85
|
202 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@153
|
203 maxread = luaL_optinteger(L, 2, -1);
|
jbe@85
|
204 terminatorstr = luaL_optlstring(L, 3, "", &terminatorlen);
|
jbe@85
|
205 if (terminatorlen) {
|
jbe@85
|
206 luaL_argcheck(L, terminatorlen == 1, 3, "single byte expected");
|
jbe@85
|
207 terminator = terminatorstr[0];
|
jbe@85
|
208 }
|
jbe@86
|
209 lua_settop(L, 1); /* return handle on drain, terminator string may be garbage collected */
|
jbe@94
|
210 if (handle->closed) luaL_error(L, "Attempt to read from a closed I/O handle");
|
jbe@85
|
211 if (handle->readerr) {
|
jbe@85
|
212 lua_pushnil(L);
|
jbe@85
|
213 lua_pushliteral(L, "Previous read error");
|
jbe@85
|
214 return 2;
|
jbe@85
|
215 }
|
jbe@143
|
216 if (handle->fd < 0) {
|
jbe@143
|
217 /* fake EOF to simulate shutdown */
|
jbe@143
|
218 if (!drain) lua_pushliteral(L, "");
|
jbe@143
|
219 else lua_pushinteger(L, 0);
|
jbe@143
|
220 lua_pushliteral(L, "eof");
|
jbe@143
|
221 return 2;
|
jbe@143
|
222 }
|
jbe@105
|
223 handle->readerr = 1;
|
jbe@257
|
224 if (moonbr_io_handle_set_nonblocking(L, handle, nonblocking)) moonbr_io_return_errmsg();
|
jbe@86
|
225 if (!drain) luaL_buffinit(L, &luabuf);
|
jbe@85
|
226 while (1) {
|
jbe@105
|
227 remaining = -1;
|
jbe@142
|
228 terminatorpos = NULL;
|
jbe@105
|
229 if (
|
jbe@153
|
230 maxread >= 0 &&
|
jbe@143
|
231 handle->readbufin - handle->readbufout >= (size_t)maxread - luabufcnt
|
jbe@105
|
232 ) {
|
jbe@142
|
233 remaining = (size_t)maxread - luabufcnt;
|
jbe@193
|
234 if (terminatorlen) {
|
jbe@193
|
235 terminatorpos = memchr(
|
jbe@193
|
236 handle->readbuf + handle->readbufout,
|
jbe@193
|
237 terminator,
|
jbe@193
|
238 remaining
|
jbe@193
|
239 );
|
jbe@193
|
240 }
|
jbe@85
|
241 } else if (terminatorlen) {
|
jbe@105
|
242 terminatorpos = memchr(
|
jbe@105
|
243 handle->readbuf + handle->readbufout,
|
jbe@105
|
244 terminator,
|
jbe@105
|
245 handle->readbufin - handle->readbufout
|
jbe@105
|
246 );
|
jbe@85
|
247 }
|
jbe@142
|
248 if (terminatorpos) remaining = 1 + (
|
jbe@142
|
249 terminatorpos - (handle->readbuf + handle->readbufout)
|
jbe@142
|
250 );
|
jbe@105
|
251 if (remaining >= 0) {
|
jbe@86
|
252 if (!drain) {
|
jbe@105
|
253 luaL_addlstring(
|
jbe@105
|
254 &luabuf,
|
jbe@105
|
255 handle->readbuf + handle->readbufout,
|
jbe@105
|
256 remaining
|
jbe@105
|
257 );
|
jbe@86
|
258 luaL_pushresult(&luabuf);
|
jbe@90
|
259 } else {
|
jbe@105
|
260 lua_pushinteger(L, luabufcnt + remaining);
|
jbe@86
|
261 }
|
jbe@143
|
262 if (terminatorpos) lua_pushliteral(L, "term");
|
jbe@143
|
263 else lua_pushliteral(L, "maxlen");
|
jbe@105
|
264 handle->readbufout += remaining;
|
jbe@105
|
265 if (handle->readbufout == handle->readbufin) {
|
jbe@105
|
266 handle->readbufin = 0;
|
jbe@143
|
267 handle->readbufout = 0;
|
jbe@105
|
268 }
|
jbe@104
|
269 handle->readerr = 0;
|
jbe@143
|
270 return 2;
|
jbe@85
|
271 }
|
jbe@105
|
272 if (!drain) luaL_addlstring(
|
jbe@105
|
273 &luabuf,
|
jbe@105
|
274 handle->readbuf + handle->readbufout,
|
jbe@105
|
275 handle->readbufin - handle->readbufout
|
jbe@105
|
276 );
|
jbe@105
|
277 luabufcnt += handle->readbufin - handle->readbufout;
|
jbe@143
|
278 handle->readbufout = 0;
|
jbe@249
|
279 #ifdef MOONBR_IO_USE_TLS
|
jbe@249
|
280 if (handle->tls) {
|
jbe@250
|
281 do {
|
jbe@250
|
282 if (!handle->tlshandshake) {
|
jbe@250
|
283 do bytesread = tls_handshake(handle->tls);
|
jbe@250
|
284 while (!nonblocking && (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT));
|
jbe@250
|
285 if (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT) {
|
jbe@250
|
286 handle->tlshandshake = bytesread;
|
jbe@250
|
287 errno = EAGAIN;
|
jbe@250
|
288 break;
|
jbe@250
|
289 }
|
jbe@250
|
290 if (bytesread < 0) {
|
jbe@250
|
291 lua_pushnil(L);
|
jbe@250
|
292 lua_pushstring(L, tls_error(handle->tls));
|
jbe@250
|
293 return 2;
|
jbe@250
|
294 }
|
jbe@250
|
295 handle->tlshandshake = 1;
|
jbe@250
|
296 }
|
jbe@250
|
297 do bytesread = tls_read(handle->tls, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@250
|
298 while (!nonblocking && (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT));
|
jbe@250
|
299 if (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT) {
|
jbe@250
|
300 errno = EAGAIN;
|
jbe@250
|
301 break;
|
jbe@250
|
302 }
|
jbe@250
|
303 if (bytesread < 0) {
|
jbe@250
|
304 lua_pushnil(L);
|
jbe@250
|
305 lua_pushstring(L, tls_error(handle->tls));
|
jbe@250
|
306 return 2;
|
jbe@250
|
307 }
|
jbe@250
|
308 } while (0);
|
jbe@249
|
309 }
|
jbe@249
|
310 else
|
jbe@249
|
311 #endif
|
jbe@249
|
312 do bytesread = read(handle->fd, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@249
|
313 while (bytesread < 0 && (errno == EINTR));
|
jbe@105
|
314 if (
|
jbe@105
|
315 bytesread == 0 || (
|
jbe@105
|
316 nonblocking &&
|
jbe@105
|
317 bytesread < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)
|
jbe@105
|
318 )
|
jbe@105
|
319 ) {
|
jbe@105
|
320 handle->readbufin = 0;
|
jbe@143
|
321 if (!drain) luaL_pushresult(&luabuf);
|
jbe@143
|
322 else lua_pushinteger(L, luabufcnt);
|
jbe@143
|
323 if (bytesread == 0) lua_pushliteral(L, "eof");
|
jbe@143
|
324 else lua_pushliteral(L, "block");
|
jbe@105
|
325 handle->readerr = 0;
|
jbe@143
|
326 return 2;
|
jbe@105
|
327 }
|
jbe@257
|
328 if (bytesread < 0) moonbr_io_return_errmsg();
|
jbe@105
|
329 handle->readbufin = bytesread;
|
jbe@86
|
330 }
|
jbe@85
|
331 }
|
jbe@85
|
332
|
jbe@85
|
333 static int moonbr_io_read(lua_State *L) {
|
jbe@86
|
334 return moonbr_io_read_impl(L, 0, 0);
|
jbe@85
|
335 }
|
jbe@85
|
336
|
jbe@85
|
337 static int moonbr_io_read_nb(lua_State *L) {
|
jbe@86
|
338 return moonbr_io_read_impl(L, 1, 0);
|
jbe@86
|
339 }
|
jbe@86
|
340
|
jbe@86
|
341 static int moonbr_io_drain(lua_State *L) {
|
jbe@86
|
342 return moonbr_io_read_impl(L, 0, 1);
|
jbe@86
|
343 }
|
jbe@86
|
344
|
jbe@86
|
345 static int moonbr_io_drain_nb(lua_State *L) {
|
jbe@86
|
346 return moonbr_io_read_impl(L, 1, 1);
|
jbe@85
|
347 }
|
jbe@85
|
348
|
jbe@140
|
349 #if LUA_VERSION_NUM >= 503
|
jbe@140
|
350 static int moonbr_io_read_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@140
|
351 #else
|
jbe@140
|
352 static int moonbr_io_read_cont(lua_State *L) {
|
jbe@140
|
353 #endif
|
jbe@143
|
354 lua_Integer remaining;
|
jbe@143
|
355 size_t len;
|
jbe@140
|
356 #if !(LUA_VERSION_NUM >= 503)
|
jbe@140
|
357 int ctx = 0;
|
jbe@140
|
358 lua_getctx(L, &ctx);
|
jbe@140
|
359 #endif
|
jbe@140
|
360 remaining = lua_tointeger(L, 3);
|
jbe@140
|
361 while (1) {
|
jbe@140
|
362 lua_pushcfunction(L, moonbr_io_read_nb);
|
jbe@140
|
363 lua_pushvalue(L, 1);
|
jbe@140
|
364 lua_pushvalue(L, 3);
|
jbe@140
|
365 lua_pushvalue(L, 4);
|
jbe@140
|
366 lua_call(L, 3, 2);
|
jbe@143
|
367 if (lua_isnil(L, -2)) return 2;
|
jbe@143
|
368 lua_insert(L, -2);
|
jbe@143
|
369 len = lua_rawlen(L, -1);
|
jbe@143
|
370 if (ctx == 0) {
|
jbe@143
|
371 lua_replace(L, 5);
|
jbe@143
|
372 ctx = 1;
|
jbe@143
|
373 } else if (ctx == 1) {
|
jbe@143
|
374 lua_pushvalue(L, 5);
|
jbe@143
|
375 lua_newtable(L);
|
jbe@143
|
376 lua_replace(L, 5);
|
jbe@143
|
377 lua_rawseti(L, 5, 2);
|
jbe@143
|
378 lua_rawseti(L, 5, 1);
|
jbe@143
|
379 ctx = 2;
|
jbe@140
|
380 } else {
|
jbe@143
|
381 lua_rawseti(L, 5, lua_rawlen(L, 5) + 1);
|
jbe@140
|
382 }
|
jbe@144
|
383 if (strcmp(lua_tostring(L, -1), "block") != 0) break;
|
jbe@144
|
384 lua_pop(L, 1);
|
jbe@144
|
385 if (remaining >= 0 && len) {
|
jbe@143
|
386 remaining -= len;
|
jbe@143
|
387 lua_pushinteger(L, remaining);
|
jbe@143
|
388 lua_replace(L, 3);
|
jbe@143
|
389 }
|
jbe@140
|
390 lua_pushvalue(L, 2);
|
jbe@152
|
391 lua_callk(L, 0, 0, ctx, moonbr_io_read_cont);
|
jbe@140
|
392 }
|
jbe@140
|
393 if (ctx == 1) {
|
jbe@140
|
394 lua_pushvalue(L, 5);
|
jbe@140
|
395 } else {
|
jbe@140
|
396 luaL_Buffer buf;
|
jbe@140
|
397 lua_Integer i, chunkcount;
|
jbe@140
|
398 chunkcount = lua_rawlen(L, 5);
|
jbe@140
|
399 luaL_buffinit(L, &buf);
|
jbe@140
|
400 for (i=1; i<=chunkcount && i>0; i++) {
|
jbe@140
|
401 lua_rawgeti(L, 5, i);
|
jbe@140
|
402 luaL_addvalue(&buf);
|
jbe@140
|
403 }
|
jbe@140
|
404 luaL_pushresult(&buf);
|
jbe@140
|
405 }
|
jbe@143
|
406 lua_pushvalue(L, -2);
|
jbe@143
|
407 return 2;
|
jbe@140
|
408 }
|
jbe@140
|
409
|
jbe@140
|
410 static int moonbr_io_read_call(lua_State *L) {
|
jbe@140
|
411 lua_settop(L, 4);
|
jbe@140
|
412 lua_pushnil(L);
|
jbe@140
|
413 #if LUA_VERSION_NUM >= 503
|
jbe@140
|
414 return moonbr_io_read_cont(L, 0, 0);
|
jbe@140
|
415 #else
|
jbe@140
|
416 return moonbr_io_read_cont(L);
|
jbe@140
|
417 #endif
|
jbe@140
|
418 }
|
jbe@140
|
419
|
jbe@145
|
420 moonbr_io_yield_wrapper(moonbr_io_read_yield, moonbr_io_read_call);
|
jbe@140
|
421
|
jbe@144
|
422 #if LUA_VERSION_NUM >= 503
|
jbe@144
|
423 static int moonbr_io_drain_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@144
|
424 #else
|
jbe@144
|
425 static int moonbr_io_drain_cont(lua_State *L) {
|
jbe@144
|
426 #endif
|
jbe@144
|
427 lua_Integer remaining, len;
|
jbe@144
|
428 size_t totallen = 0;
|
jbe@144
|
429 #if !(LUA_VERSION_NUM >= 503)
|
jbe@144
|
430 int ctx = 0;
|
jbe@144
|
431 lua_getctx(L, &ctx);
|
jbe@144
|
432 #endif
|
jbe@144
|
433 remaining = lua_tointeger(L, 3);
|
jbe@144
|
434 while (1) {
|
jbe@144
|
435 lua_pushcfunction(L, moonbr_io_drain_nb);
|
jbe@144
|
436 lua_pushvalue(L, 1);
|
jbe@144
|
437 lua_pushvalue(L, 3);
|
jbe@144
|
438 lua_pushvalue(L, 4);
|
jbe@144
|
439 lua_call(L, 3, 2);
|
jbe@144
|
440 if (lua_isnil(L, -2)) return 2;
|
jbe@144
|
441 lua_insert(L, -2);
|
jbe@144
|
442 len = lua_tointeger(L, -1);
|
jbe@144
|
443 lua_pop(L, 1);
|
jbe@144
|
444 totallen += len;
|
jbe@144
|
445 if (strcmp(lua_tostring(L, -1), "block") != 0) break;
|
jbe@144
|
446 lua_pop(L, 1);
|
jbe@144
|
447 if (remaining >= 0 && len) {
|
jbe@144
|
448 remaining -= len;
|
jbe@144
|
449 lua_pushinteger(L, remaining);
|
jbe@144
|
450 lua_replace(L, 3);
|
jbe@144
|
451 }
|
jbe@144
|
452 lua_pushvalue(L, 2);
|
jbe@152
|
453 lua_callk(L, 0, 0, ctx, moonbr_io_drain_cont);
|
jbe@144
|
454 }
|
jbe@144
|
455 lua_pushinteger(L, totallen);
|
jbe@144
|
456 lua_pushvalue(L, -2);
|
jbe@144
|
457 return 2;
|
jbe@144
|
458 }
|
jbe@144
|
459
|
jbe@144
|
460 static int moonbr_io_drain_call(lua_State *L) {
|
jbe@144
|
461 #if LUA_VERSION_NUM >= 503
|
jbe@144
|
462 return moonbr_io_drain_cont(L, 0, 0);
|
jbe@144
|
463 #else
|
jbe@144
|
464 return moonbr_io_drain_cont(L);
|
jbe@144
|
465 #endif
|
jbe@144
|
466 }
|
jbe@144
|
467
|
jbe@145
|
468 moonbr_io_yield_wrapper(moonbr_io_drain_yield, moonbr_io_drain_call);
|
jbe@144
|
469
|
jbe@250
|
470 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
471
|
jbe@250
|
472 #define moonbr_io_write_tls(buf, buflen) \
|
jbe@250
|
473 if (handle->tls) { \
|
jbe@250
|
474 do { \
|
jbe@250
|
475 if (!handle->tlshandshake) { \
|
jbe@250
|
476 do written = tls_handshake(handle->tls); \
|
jbe@250
|
477 while (!nonblocking && (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT)); \
|
jbe@250
|
478 if (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT) { \
|
jbe@250
|
479 handle->tlshandshake = written; \
|
jbe@250
|
480 errno = EAGAIN; \
|
jbe@250
|
481 break; \
|
jbe@250
|
482 } \
|
jbe@250
|
483 if (written < 0) { \
|
jbe@250
|
484 lua_pushnil(L); \
|
jbe@250
|
485 lua_pushstring(L, tls_error(handle->tls)); \
|
jbe@250
|
486 return 2; \
|
jbe@250
|
487 } \
|
jbe@250
|
488 handle->tlshandshake = 1; \
|
jbe@250
|
489 } \
|
jbe@250
|
490 do written = tls_write(handle->tls, (buf), (buflen)); \
|
jbe@250
|
491 while (!nonblocking && (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT)); \
|
jbe@250
|
492 if (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT) { \
|
jbe@250
|
493 errno = EAGAIN; \
|
jbe@250
|
494 break; \
|
jbe@250
|
495 } \
|
jbe@250
|
496 if (written < 0) { \
|
jbe@250
|
497 lua_pushnil(L); \
|
jbe@250
|
498 lua_pushstring(L, tls_error(handle->tls)); \
|
jbe@250
|
499 return 2; \
|
jbe@250
|
500 } \
|
jbe@250
|
501 } while (0); \
|
jbe@250
|
502 } \
|
jbe@250
|
503 else
|
jbe@258
|
504
|
jbe@258
|
505 #endif /* MOONBR_IO_USE_TLS */
|
jbe@250
|
506
|
jbe@81
|
507 static int moonbr_io_write_impl(lua_State *L, int nonblocking, int flush) {
|
jbe@80
|
508 moonbr_io_handle_t *handle;
|
jbe@80
|
509 int i, top;
|
jbe@80
|
510 const char *str;
|
jbe@92
|
511 size_t strlen;
|
jbe@103
|
512 ssize_t written;
|
jbe@80
|
513 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
514 if (handle->closed) luaL_error(L, "Attempt to write to a closed I/O handle");
|
jbe@94
|
515 if (handle->finished) luaL_error(L, "Attempt to write to a finished I/O handle");
|
jbe@81
|
516 if (handle->writeerr) {
|
jbe@80
|
517 lua_pushnil(L);
|
jbe@80
|
518 lua_pushliteral(L, "Previous write error");
|
jbe@80
|
519 return 2;
|
jbe@80
|
520 }
|
jbe@103
|
521 handle->writeerr = 1;
|
jbe@257
|
522 if (moonbr_io_handle_set_nonblocking(L, handle, nonblocking)) moonbr_io_return_errmsg();
|
jbe@84
|
523 top = lua_gettop(L);
|
jbe@81
|
524 lua_getuservalue(L, 1);
|
jbe@103
|
525 lua_getfield(L, -1, "writequeue");
|
jbe@84
|
526 for (i=2; i<=top; i++) {
|
jbe@84
|
527 luaL_checklstring(L, i, &strlen);
|
jbe@84
|
528 lua_pushvalue(L, i);
|
jbe@84
|
529 lua_rawseti(L, -2, handle->writeqin++);
|
jbe@84
|
530 handle->writeleft += strlen;
|
jbe@81
|
531 }
|
jbe@132
|
532 if (flush) handle->flushedleft = handle->writeleft;
|
jbe@83
|
533 while (handle->writeqout != handle->writeqin) {
|
jbe@83
|
534 lua_rawgeti(L, -1, handle->writeqout);
|
jbe@81
|
535 str = lua_tolstring(L, -1, &strlen);
|
jbe@92
|
536 while (handle->writeqoff < strlen) {
|
jbe@103
|
537 if (
|
jbe@132
|
538 strlen - handle->writeqoff <
|
jbe@103
|
539 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
540 ) {
|
jbe@103
|
541 memcpy(
|
jbe@103
|
542 handle->writebuf + handle->writebufin,
|
jbe@103
|
543 str + handle->writeqoff,
|
jbe@103
|
544 strlen - handle->writeqoff
|
jbe@103
|
545 );
|
jbe@103
|
546 handle->writebufin += strlen - handle->writeqoff;
|
jbe@80
|
547 break;
|
jbe@80
|
548 } else {
|
jbe@103
|
549 memcpy(
|
jbe@103
|
550 handle->writebuf + handle->writebufin,
|
jbe@103
|
551 str + handle->writeqoff,
|
jbe@103
|
552 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
553 );
|
jbe@103
|
554 handle->writeqoff += MOONBR_IO_WRITEBUFLEN - handle->writebufin;
|
jbe@228
|
555 handle->writebufin = MOONBR_IO_WRITEBUFLEN;
|
jbe@103
|
556 while (handle->writebufout < MOONBR_IO_WRITEBUFLEN) {
|
jbe@257
|
557 if (moonbr_io_handle_set_nopush(L, handle, 1)) moonbr_io_return_errmsg();
|
jbe@249
|
558 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
559 moonbr_io_write_tls(
|
jbe@250
|
560 handle->writebuf + handle->writebufout,
|
jbe@250
|
561 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@250
|
562 )
|
jbe@249
|
563 #endif
|
jbe@103
|
564 written = write(
|
jbe@103
|
565 handle->fd,
|
jbe@103
|
566 handle->writebuf + handle->writebufout,
|
jbe@103
|
567 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@103
|
568 );
|
jbe@103
|
569 if (written < 0) {
|
jbe@81
|
570 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@81
|
571 goto moonbr_io_write_impl_block;
|
jbe@257
|
572 } else if (errno != EINTR) moonbr_io_return_errmsg();
|
jbe@103
|
573 } else {
|
jbe@103
|
574 handle->writebufout += written;
|
jbe@103
|
575 handle->writeleft -= written;
|
jbe@133
|
576 if (handle->flushedleft) {
|
jbe@133
|
577 if (written >= handle->flushedleft) {
|
jbe@133
|
578 handle->flushedleft = 0;
|
jbe@257
|
579 if (moonbr_io_handle_set_nopush(L, handle, 0)) moonbr_io_return_errmsg();
|
jbe@133
|
580 } else {
|
jbe@133
|
581 handle->flushedleft -= written;
|
jbe@133
|
582 }
|
jbe@133
|
583 }
|
jbe@80
|
584 }
|
jbe@80
|
585 }
|
jbe@103
|
586 handle->writebufin = 0;
|
jbe@103
|
587 handle->writebufout = 0;
|
jbe@80
|
588 }
|
jbe@80
|
589 }
|
jbe@81
|
590 handle->writeqoff = 0;
|
jbe@81
|
591 lua_pop(L, 1);
|
jbe@81
|
592 lua_pushnil(L);
|
jbe@83
|
593 lua_rawseti(L, -2, handle->writeqout++);
|
jbe@80
|
594 }
|
jbe@132
|
595 while (handle->flushedleft) {
|
jbe@257
|
596 if (moonbr_io_handle_set_nopush(L, handle, 1)) moonbr_io_return_errmsg();
|
jbe@249
|
597 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
598 moonbr_io_write_tls(
|
jbe@250
|
599 handle->writebuf + handle->writebufout,
|
jbe@250
|
600 handle->writebufin - handle->writebufout
|
jbe@250
|
601 )
|
jbe@249
|
602 #endif
|
jbe@132
|
603 written = write(
|
jbe@132
|
604 handle->fd,
|
jbe@132
|
605 handle->writebuf + handle->writebufout,
|
jbe@132
|
606 handle->writebufin - handle->writebufout
|
jbe@132
|
607 );
|
jbe@132
|
608 if (written < 0) {
|
jbe@132
|
609 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@132
|
610 goto moonbr_io_write_impl_block;
|
jbe@257
|
611 } else if (errno != EINTR) moonbr_io_return_errmsg();
|
jbe@132
|
612 } else {
|
jbe@132
|
613 handle->writebufout += written;
|
jbe@132
|
614 handle->writeleft -= written;
|
jbe@133
|
615 if (handle->flushedleft) {
|
jbe@133
|
616 if (written >= handle->flushedleft) {
|
jbe@133
|
617 handle->flushedleft = 0;
|
jbe@257
|
618 if (moonbr_io_handle_set_nopush(L, handle, 0)) moonbr_io_return_errmsg();
|
jbe@133
|
619 } else {
|
jbe@133
|
620 handle->flushedleft -= written;
|
jbe@133
|
621 }
|
jbe@133
|
622 }
|
jbe@81
|
623 }
|
jbe@132
|
624 }
|
jbe@132
|
625 if (handle->writebufout == handle->writebufin) {
|
jbe@103
|
626 handle->writebufin = 0;
|
jbe@103
|
627 handle->writebufout = 0;
|
jbe@81
|
628 }
|
jbe@103
|
629 if (nonblocking) lua_pushinteger(L, 0);
|
jbe@103
|
630 else lua_pushvalue(L, 1);
|
jbe@103
|
631 handle->writeerr = 0;
|
jbe@80
|
632 return 1;
|
jbe@81
|
633 moonbr_io_write_impl_block:
|
jbe@91
|
634 lua_pushinteger(L, handle->writeleft);
|
jbe@103
|
635 handle->writeerr = 0;
|
jbe@81
|
636 return 1;
|
jbe@81
|
637 }
|
jbe@81
|
638
|
jbe@81
|
639 static int moonbr_io_write(lua_State *L) {
|
jbe@81
|
640 return moonbr_io_write_impl(L, 0, 0);
|
jbe@81
|
641 }
|
jbe@81
|
642
|
jbe@81
|
643 static int moonbr_io_write_nb(lua_State *L) {
|
jbe@81
|
644 return moonbr_io_write_impl(L, 1, 0);
|
jbe@80
|
645 }
|
jbe@80
|
646
|
jbe@80
|
647 static int moonbr_io_flush(lua_State *L) {
|
jbe@81
|
648 return moonbr_io_write_impl(L, 0, 1);
|
jbe@81
|
649 }
|
jbe@81
|
650
|
jbe@81
|
651 static int moonbr_io_flush_nb(lua_State *L) {
|
jbe@81
|
652 return moonbr_io_write_impl(L, 1, 1);
|
jbe@80
|
653 }
|
jbe@80
|
654
|
jbe@145
|
655 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
656 static int moonbr_io_write_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@145
|
657 #else
|
jbe@145
|
658 static int moonbr_io_write_cont(lua_State *L) {
|
jbe@145
|
659 #endif
|
jbe@145
|
660 while (1) {
|
jbe@145
|
661 lua_pushcfunction(L, moonbr_io_write_nb);
|
jbe@145
|
662 lua_pushvalue(L, 1);
|
jbe@145
|
663 lua_call(L, 1, 2);
|
jbe@145
|
664 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
665 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
666 lua_pushvalue(L, 1);
|
jbe@145
|
667 return 1;
|
jbe@145
|
668 }
|
jbe@145
|
669 lua_pop(L, 2);
|
jbe@145
|
670 lua_pushvalue(L, 2);
|
jbe@152
|
671 lua_callk(L, 0, 0, 0, moonbr_io_write_cont);
|
jbe@145
|
672 }
|
jbe@145
|
673 }
|
jbe@145
|
674
|
jbe@145
|
675 static int moonbr_io_write_call(lua_State *L) {
|
jbe@145
|
676 lua_pushcfunction(L, moonbr_io_write_nb);
|
jbe@145
|
677 lua_insert(L, 3);
|
jbe@145
|
678 lua_pushvalue(L, 1);
|
jbe@145
|
679 lua_insert(L, 4);
|
jbe@145
|
680 lua_call(L, lua_gettop(L) - 3, 2);
|
jbe@145
|
681 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
682 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
683 lua_pushvalue(L, 1);
|
jbe@145
|
684 return 1;
|
jbe@145
|
685 }
|
jbe@145
|
686 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
687 return moonbr_io_write_cont(L, 0, 0);
|
jbe@145
|
688 #else
|
jbe@145
|
689 return moonbr_io_write_cont(L);
|
jbe@145
|
690 #endif
|
jbe@145
|
691 }
|
jbe@145
|
692
|
jbe@145
|
693 moonbr_io_yield_wrapper(moonbr_io_write_yield, moonbr_io_write_call);
|
jbe@145
|
694
|
jbe@145
|
695 static int moonbr_io_flush_call(lua_State *L) {
|
jbe@145
|
696 lua_pushcfunction(L, moonbr_io_flush_nb);
|
jbe@145
|
697 lua_insert(L, 3);
|
jbe@145
|
698 lua_pushvalue(L, 1);
|
jbe@145
|
699 lua_insert(L, 4);
|
jbe@145
|
700 lua_call(L, lua_gettop(L) - 3, 2);
|
jbe@145
|
701 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
702 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
703 lua_pushvalue(L, 1);
|
jbe@145
|
704 return 1;
|
jbe@145
|
705 }
|
jbe@145
|
706 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
707 return moonbr_io_write_cont(L, 0, 0);
|
jbe@145
|
708 #else
|
jbe@145
|
709 return moonbr_io_write_cont(L);
|
jbe@145
|
710 #endif
|
jbe@145
|
711 }
|
jbe@145
|
712
|
jbe@145
|
713 moonbr_io_yield_wrapper(moonbr_io_flush_yield, moonbr_io_flush_call);
|
jbe@145
|
714
|
jbe@88
|
715 static int moonbr_io_finish(lua_State *L) {
|
jbe@88
|
716 moonbr_io_handle_t *handle;
|
jbe@88
|
717 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
718 if (handle->closed) luaL_error(L, "Attempt to finish a closed I/O handle");
|
jbe@94
|
719 if (handle->finished) luaL_error(L, "Attempt to finish a finished I/O handle");
|
jbe@94
|
720 if (handle->writeleft) {
|
jbe@94
|
721 lua_pushcfunction(L, moonbr_io_flush);
|
jbe@94
|
722 lua_pushvalue(L, 1);
|
jbe@116
|
723 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@116
|
724 handle->finished = 1;
|
jbe@116
|
725 lua_error(L);
|
jbe@116
|
726 }
|
jbe@94
|
727 if (!lua_toboolean(L, -2)) {
|
jbe@94
|
728 handle->finished = 1;
|
jbe@94
|
729 return 2;
|
jbe@88
|
730 }
|
jbe@94
|
731 }
|
jbe@94
|
732 handle->finished = 1;
|
jbe@260
|
733 #ifdef MOONBR_IO_USE_TLS
|
jbe@260
|
734 if ((handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) && !handle->tls) {
|
jbe@260
|
735 #else
|
jbe@107
|
736 if (handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) {
|
jbe@260
|
737 #endif
|
jbe@257
|
738 if (shutdown(handle->fd, SHUT_WR)) moonbr_io_return_errmsg();
|
jbe@94
|
739 } else {
|
jbe@251
|
740 #ifdef MOONBR_IO_USE_TLS
|
jbe@260
|
741 if (handle->tls) {
|
jbe@260
|
742 int status;
|
jbe@260
|
743 if (moonbr_io_handle_set_nonblocking(L, handle, 1)) moonbr_io_return_errmsg();
|
jbe@260
|
744 do status = tls_close(handle->tls);
|
jbe@260
|
745 while (status == TLS_WANT_POLLIN || status == TLS_WANT_POLLOUT);
|
jbe@260
|
746 if (status) {
|
jbe@260
|
747 close(handle->fd);
|
jbe@260
|
748 handle->fd = -1;
|
jbe@260
|
749 lua_pushnil(L);
|
jbe@260
|
750 lua_pushstring(L, tls_error(handle->tls));
|
jbe@260
|
751 return 2;
|
jbe@260
|
752 }
|
jbe@260
|
753 }
|
jbe@251
|
754 #endif
|
jbe@94
|
755 if (close(handle->fd)) {
|
jbe@94
|
756 handle->fd = -1;
|
jbe@257
|
757 moonbr_io_return_errmsg();
|
jbe@94
|
758 }
|
jbe@94
|
759 handle->fd = -1; /* fake EOF on read */
|
jbe@88
|
760 }
|
jbe@88
|
761 lua_pushboolean(L, 1);
|
jbe@88
|
762 return 1;
|
jbe@88
|
763 }
|
jbe@88
|
764
|
jbe@261
|
765 static int moonbr_io_close_impl(lua_State *L, int nonblocking, int reset) {
|
jbe@83
|
766 moonbr_io_handle_t *handle;
|
jbe@83
|
767 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
768 if (handle->closed) luaL_error(L, "Attempt to close a closed I/O handle");
|
jbe@259
|
769 if (!reset && handle->fd >= 0) {
|
jbe@87
|
770 if (handle->writeleft) {
|
jbe@261
|
771 lua_pushcfunction(L, nonblocking ? moonbr_io_flush_nb : moonbr_io_flush);
|
jbe@87
|
772 lua_pushvalue(L, 1);
|
jbe@116
|
773 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@129
|
774 handle->closed = 1;
|
jbe@116
|
775 close(handle->fd);
|
jbe@116
|
776 handle->fd = -1;
|
jbe@116
|
777 lua_error(L);
|
jbe@116
|
778 }
|
jbe@261
|
779 if (!nonblocking) handle->closed = 1; /* TODO: handle nonblocking case */
|
jbe@87
|
780 if (!lua_toboolean(L, -2)) {
|
jbe@87
|
781 close(handle->fd);
|
jbe@87
|
782 handle->fd = -1;
|
jbe@87
|
783 return 2;
|
jbe@87
|
784 }
|
jbe@261
|
785 #if LUA_VERSION_NUM >= 503
|
jbe@261
|
786 if (nonblocking && lua_tointeger(L, -2)) {
|
jbe@261
|
787 #else
|
jbe@261
|
788 if (nonblocking && lua_tonumber(L, -2)) {
|
jbe@261
|
789 #endif
|
jbe@261
|
790 lua_pushliteral(L, "flush");
|
jbe@261
|
791 lua_pushvalue(L, -3);
|
jbe@261
|
792 return 2;
|
jbe@261
|
793 }
|
jbe@129
|
794 } else {
|
jbe@129
|
795 handle->closed = 1;
|
jbe@83
|
796 }
|
jbe@260
|
797 #ifdef MOONBR_IO_USE_TLS
|
jbe@260
|
798 if (handle->tls) {
|
jbe@260
|
799 int status;
|
jbe@261
|
800 if (moonbr_io_handle_set_nonblocking(L, handle, nonblocking)) moonbr_io_return_errmsg();
|
jbe@260
|
801 do status = tls_close(handle->tls);
|
jbe@261
|
802 while (!nonblocking && (status == TLS_WANT_POLLIN || status == TLS_WANT_POLLOUT));
|
jbe@261
|
803 if (status == TLS_WANT_POLLIN || status == TLS_WANT_POLLOUT) {
|
jbe@261
|
804 handle->tlsclosing = status; /* TODO: handle polling */
|
jbe@261
|
805 lua_pushliteral(L, "close");
|
jbe@261
|
806 return 1;
|
jbe@261
|
807 }
|
jbe@260
|
808 if (status) {
|
jbe@260
|
809 close(handle->fd);
|
jbe@260
|
810 handle->fd = -1;
|
jbe@260
|
811 lua_pushnil(L);
|
jbe@260
|
812 lua_pushstring(L, tls_error(handle->tls));
|
jbe@260
|
813 return 2;
|
jbe@260
|
814 }
|
jbe@260
|
815 }
|
jbe@260
|
816 #endif
|
jbe@256
|
817 if (moonbr_io_handle_set_linger(L, handle, -1)) {
|
jbe@257
|
818 moonbr_io_prepare_errmsg();
|
jbe@256
|
819 close(handle->fd);
|
jbe@256
|
820 handle->fd = -1;
|
jbe@257
|
821 moonbr_io_return_prepared_errmsg();
|
jbe@256
|
822 }
|
jbe@129
|
823 } else {
|
jbe@129
|
824 handle->closed = 1;
|
jbe@83
|
825 }
|
jbe@94
|
826 if (handle->fd >= 0) {
|
jbe@94
|
827 if (close(handle->fd)) {
|
jbe@94
|
828 handle->fd = -1;
|
jbe@257
|
829 moonbr_io_return_errmsg();
|
jbe@94
|
830 }
|
jbe@104
|
831 handle->fd = -1;
|
jbe@83
|
832 }
|
jbe@83
|
833 lua_pushboolean(L, 1);
|
jbe@83
|
834 return 1;
|
jbe@84
|
835
|
jbe@83
|
836 }
|
jbe@83
|
837
|
jbe@94
|
838 static int moonbr_io_close(lua_State *L) {
|
jbe@261
|
839 return moonbr_io_close_impl(L, 0, 0);
|
jbe@94
|
840 }
|
jbe@94
|
841
|
jbe@84
|
842 static int moonbr_io_reset(lua_State *L) {
|
jbe@261
|
843 return moonbr_io_close_impl(L, 0, 1);
|
jbe@84
|
844 }
|
jbe@84
|
845
|
jbe@108
|
846 static int moonbr_io_handlegc(lua_State *L) {
|
jbe@88
|
847 moonbr_io_handle_t *handle;
|
jbe@88
|
848 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@88
|
849 if (handle->fd >= 0) {
|
jbe@218
|
850 lua_pushcfunction(L, moonbr_io_reset);
|
jbe@88
|
851 lua_pushvalue(L, 1);
|
jbe@88
|
852 lua_pushinteger(L, 0);
|
jbe@88
|
853 lua_call(L, 2, 0);
|
jbe@88
|
854 }
|
jbe@246
|
855 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
856 if (handle->tls) {
|
jbe@246
|
857 tls_free(handle->tls);
|
jbe@246
|
858 handle->tls = NULL;
|
jbe@246
|
859 }
|
jbe@246
|
860 if (handle->servertls) {
|
jbe@246
|
861 tls_free(handle->servertls);
|
jbe@246
|
862 handle->servertls = NULL;
|
jbe@246
|
863 }
|
jbe@246
|
864 #endif
|
jbe@88
|
865 return 0;
|
jbe@88
|
866 }
|
jbe@88
|
867
|
jbe@100
|
868 void moonbr_io_closehandle(lua_State *L, int idx, int reset) {
|
jbe@88
|
869 moonbr_io_handle_t *handle;
|
jbe@88
|
870 handle = luaL_checkudata(L, idx, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@100
|
871 if (!handle->closed) {
|
jbe@100
|
872 lua_pushcfunction(L, reset ? moonbr_io_reset : moonbr_io_close);
|
jbe@100
|
873 lua_pushvalue(L, idx < 0 ? idx-1 : idx);
|
jbe@100
|
874 lua_call(L, 1, 0);
|
jbe@88
|
875 }
|
jbe@88
|
876 }
|
jbe@88
|
877
|
jbe@208
|
878 static int moonbr_io_pushhandle_impl(lua_State *L) {
|
jbe@208
|
879 int *fd;
|
jbe@79
|
880 moonbr_io_handle_t *handle;
|
jbe@107
|
881 struct sockaddr addr;
|
jbe@107
|
882 socklen_t addrlen;
|
jbe@208
|
883 fd = lua_touserdata(L, 1);
|
jbe@79
|
884 handle = lua_newuserdata(L, sizeof(moonbr_io_handle_t));
|
jbe@208
|
885 handle->fd = -1; /* avoid closing incomplete handle */
|
jbe@107
|
886 addrlen = sizeof(addr);
|
jbe@208
|
887 if (getsockname(*fd, &addr, &addrlen)) {
|
jbe@107
|
888 if (errno != ENOTSOCK) {
|
jbe@257
|
889 moonbr_io_prepare_errmsg();
|
jbe@107
|
890 luaL_error(L, "Unexpected error when examining socket: %s", errmsg);
|
jbe@107
|
891 }
|
jbe@107
|
892 handle->issock = 0;
|
jbe@107
|
893 } else {
|
jbe@107
|
894 handle->issock = 1;
|
jbe@107
|
895 handle->addrfam = addr.sa_family;
|
jbe@107
|
896 }
|
jbe@94
|
897 handle->finished = 0;
|
jbe@94
|
898 handle->closed = 0;
|
jbe@81
|
899 handle->nonblocking = -1;
|
jbe@95
|
900 handle->nopush = -1;
|
jbe@85
|
901 handle->readerr = 0;
|
jbe@105
|
902 handle->readbufin = 0;
|
jbe@105
|
903 handle->readbufout = 0;
|
jbe@81
|
904 handle->writeerr = 0;
|
jbe@81
|
905 handle->writeleft = 0;
|
jbe@132
|
906 handle->flushedleft = 0;
|
jbe@83
|
907 handle->writeqin = 0;
|
jbe@83
|
908 handle->writeqout = 0;
|
jbe@81
|
909 handle->writeqoff = 0;
|
jbe@103
|
910 handle->writebufin = 0;
|
jbe@103
|
911 handle->writebufout = 0;
|
jbe@246
|
912 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
913 handle->tls = NULL;
|
jbe@246
|
914 handle->servertls = NULL;
|
jbe@250
|
915 handle->tlshandshake = 0;
|
jbe@261
|
916 handle->tlsclosing = 0;
|
jbe@246
|
917 #endif
|
jbe@208
|
918 handle->fd = *fd; /* required for set_linger call */
|
jbe@256
|
919 if (moonbr_io_handle_set_linger(L, handle, 0)) {
|
jbe@257
|
920 moonbr_io_prepare_errmsg();
|
jbe@256
|
921 handle->fd = -1;
|
jbe@256
|
922 luaL_error(L, "Unexpected error while setting SO_LINGER with setsockopt: %s", errmsg);
|
jbe@256
|
923 }
|
jbe@208
|
924 handle->fd = -1; /* avoid closing incomplete handle */
|
jbe@238
|
925 luaL_setmetatable(L, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
926 lua_newtable(L); // uservalue
|
jbe@81
|
927 lua_newtable(L);
|
jbe@103
|
928 lua_setfield(L, -2, "writequeue");
|
jbe@79
|
929 lua_newtable(L); // public
|
jbe@107
|
930 if (handle->addrfam == AF_INET6) {
|
jbe@107
|
931 struct sockaddr_in6 addr_in6;
|
jbe@107
|
932 char addrstrbuf[INET6_ADDRSTRLEN];
|
jbe@107
|
933 const char *addrstr;
|
jbe@107
|
934 addrlen = sizeof(addr_in6);
|
jbe@208
|
935 if (getsockname(*fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@257
|
936 moonbr_io_prepare_errmsg();
|
jbe@107
|
937 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
938 }
|
jbe@107
|
939 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
940 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
941 }
|
jbe@107
|
942 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
943 if (!addrstr) {
|
jbe@257
|
944 moonbr_io_prepare_errmsg();
|
jbe@107
|
945 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
946 } else {
|
jbe@107
|
947 lua_pushstring(L, addrstr);
|
jbe@107
|
948 lua_setfield(L, -2, "local_ip6");
|
jbe@107
|
949 }
|
jbe@107
|
950 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
951 lua_setfield(L, -2, "local_tcpport");
|
jbe@208
|
952 if (getpeername(*fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@257
|
953 moonbr_io_prepare_errmsg();
|
jbe@107
|
954 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
955 }
|
jbe@107
|
956 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
957 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
958 }
|
jbe@107
|
959 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
960 if (!addrstr) {
|
jbe@257
|
961 moonbr_io_prepare_errmsg();
|
jbe@107
|
962 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
963 } else {
|
jbe@107
|
964 lua_pushstring(L, addrstr);
|
jbe@107
|
965 lua_setfield(L, -2, "remote_ip6");
|
jbe@107
|
966 }
|
jbe@107
|
967 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
968 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
969 } else if (handle->addrfam == AF_INET) {
|
jbe@107
|
970 struct sockaddr_in addr_in;
|
jbe@107
|
971 char addrstrbuf[INET_ADDRSTRLEN];
|
jbe@107
|
972 const char *addrstr;
|
jbe@107
|
973 addrlen = sizeof(addr_in);
|
jbe@208
|
974 if (getsockname(*fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@257
|
975 moonbr_io_prepare_errmsg();
|
jbe@107
|
976 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
977 }
|
jbe@107
|
978 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
979 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
980 }
|
jbe@107
|
981 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
982 if (!addrstr) {
|
jbe@257
|
983 moonbr_io_prepare_errmsg();
|
jbe@107
|
984 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
985 } else {
|
jbe@107
|
986 lua_pushstring(L, addrstr);
|
jbe@107
|
987 lua_setfield(L, -2, "local_ip4");
|
jbe@107
|
988 }
|
jbe@107
|
989 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
990 lua_setfield(L, -2, "local_tcpport");
|
jbe@208
|
991 if (getpeername(*fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@257
|
992 moonbr_io_prepare_errmsg();
|
jbe@107
|
993 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
994 }
|
jbe@107
|
995 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
996 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
997 }
|
jbe@107
|
998 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
999 if (!addrstr) {
|
jbe@257
|
1000 moonbr_io_prepare_errmsg();
|
jbe@107
|
1001 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
1002 } else {
|
jbe@107
|
1003 lua_pushstring(L, addrstr);
|
jbe@107
|
1004 lua_setfield(L, -2, "remote_ip4");
|
jbe@107
|
1005 }
|
jbe@107
|
1006 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
1007 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
1008 }
|
jbe@238
|
1009 luaL_setmetatable(L, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
1010 lua_setfield(L, -2, "public");
|
jbe@79
|
1011 lua_setuservalue(L, -2);
|
jbe@208
|
1012 handle->fd = *fd;
|
jbe@208
|
1013 *fd = -1; /* closing is now handled by garbage collection */
|
jbe@208
|
1014 return 1;
|
jbe@208
|
1015 }
|
jbe@208
|
1016
|
jbe@208
|
1017 void moonbr_io_pushhandle(lua_State *L, int fd) {
|
jbe@208
|
1018 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1019 lua_pushlightuserdata(L, &fd);
|
jbe@208
|
1020 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@251
|
1021 if (fd != -1) close(fd); // TODO: correct to close file descriptor here?
|
jbe@208
|
1022 lua_error(L);
|
jbe@208
|
1023 }
|
jbe@79
|
1024 }
|
jbe@79
|
1025
|
jbe@79
|
1026 static int moonbr_io_handleindex(lua_State *L) {
|
jbe@80
|
1027 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@205
|
1028 luaL_checkany(L, 2);
|
jbe@79
|
1029 lua_getuservalue(L, 1);
|
jbe@79
|
1030 lua_getfield(L, -1, "public");
|
jbe@79
|
1031 lua_pushvalue(L, 2);
|
jbe@79
|
1032 lua_gettable(L, -2);
|
jbe@79
|
1033 return 1;
|
jbe@79
|
1034 }
|
jbe@79
|
1035
|
jbe@79
|
1036 static int moonbr_io_handlenewindex(lua_State *L) {
|
jbe@80
|
1037 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@205
|
1038 luaL_checkany(L, 2);
|
jbe@205
|
1039 luaL_checkany(L, 3);
|
jbe@79
|
1040 lua_getuservalue(L, 1);
|
jbe@79
|
1041 lua_getfield(L, -1, "public");
|
jbe@79
|
1042 lua_pushvalue(L, 2);
|
jbe@79
|
1043 lua_pushvalue(L, 3);
|
jbe@79
|
1044 lua_settable(L, -3);
|
jbe@79
|
1045 return 0;
|
jbe@79
|
1046 }
|
jbe@79
|
1047
|
jbe@111
|
1048 static int moonbr_io_localconnect_impl(lua_State *L, int nonblocking) {
|
jbe@111
|
1049 const char *path;
|
jbe@111
|
1050 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@111
|
1051 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@111
|
1052 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@111
|
1053 ) - 1; /* one byte for termination */
|
jbe@111
|
1054 int sock;
|
jbe@111
|
1055 path = luaL_checkstring(L, 1);
|
jbe@111
|
1056 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@111
|
1057 strcpy(sockaddr.sun_path, path);
|
jbe@111
|
1058 sock = socket(
|
jbe@111
|
1059 PF_LOCAL,
|
jbe@111
|
1060 SOCK_STREAM | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@111
|
1061 0
|
jbe@111
|
1062 );
|
jbe@257
|
1063 if (sock < 0) moonbr_io_return_errmsg();
|
jbe@111
|
1064 if (connect(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@111
|
1065 if (!nonblocking && errno == EINTR) {
|
jbe@257
|
1066 moonbr_io_prepare_errmsg();
|
jbe@111
|
1067 close(sock);
|
jbe@257
|
1068 moonbr_io_return_prepared_errmsg();
|
jbe@257
|
1069 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) moonbr_io_return_errmsg();
|
jbe@111
|
1070 }
|
jbe@111
|
1071 moonbr_io_pushhandle(L, sock);
|
jbe@111
|
1072 return 1;
|
jbe@111
|
1073 }
|
jbe@111
|
1074
|
jbe@111
|
1075 static int moonbr_io_localconnect(lua_State *L) {
|
jbe@111
|
1076 return moonbr_io_localconnect_impl(L, 0);
|
jbe@111
|
1077 }
|
jbe@111
|
1078
|
jbe@111
|
1079 static int moonbr_io_localconnect_nb(lua_State *L) {
|
jbe@111
|
1080 return moonbr_io_localconnect_impl(L, 1);
|
jbe@111
|
1081 }
|
jbe@111
|
1082
|
jbe@99
|
1083 static int moonbr_io_tcpconnect_impl(lua_State *L, int nonblocking) {
|
jbe@98
|
1084 const char *host, *port;
|
jbe@98
|
1085 struct addrinfo hints = { 0, };
|
jbe@98
|
1086 struct addrinfo *res, *addrinfo;
|
jbe@98
|
1087 int errcode;
|
jbe@98
|
1088 int sock;
|
jbe@98
|
1089 host = luaL_checkstring(L, 1);
|
jbe@98
|
1090 port = luaL_checkstring(L, 2);
|
jbe@98
|
1091 hints.ai_family = AF_UNSPEC;
|
jbe@98
|
1092 hints.ai_socktype = SOCK_STREAM;
|
jbe@98
|
1093 hints.ai_protocol = IPPROTO_TCP;
|
jbe@98
|
1094 hints.ai_flags = AI_ADDRCONFIG;
|
jbe@98
|
1095 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@98
|
1096 if (errcode) {
|
jbe@102
|
1097 freeaddrinfo(res);
|
jbe@98
|
1098 if (errcode == EAI_SYSTEM) {
|
jbe@257
|
1099 moonbr_io_prepare_errmsg();
|
jbe@98
|
1100 lua_pushnil(L);
|
jbe@98
|
1101 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@98
|
1102 } else {
|
jbe@98
|
1103 lua_pushnil(L);
|
jbe@98
|
1104 lua_pushstring(L, gai_strerror(errcode));
|
jbe@98
|
1105 }
|
jbe@98
|
1106 return 2;
|
jbe@98
|
1107 }
|
jbe@98
|
1108 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1109 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
1110 }
|
jbe@98
|
1111 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1112 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
1113 }
|
jbe@98
|
1114 addrinfo = res;
|
jbe@98
|
1115 moonbr_io_tcpconnect_found:
|
jbe@99
|
1116 sock = socket(
|
jbe@134
|
1117 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@99
|
1118 addrinfo->ai_socktype | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@99
|
1119 addrinfo->ai_protocol
|
jbe@99
|
1120 );
|
jbe@98
|
1121 if (sock < 0) {
|
jbe@257
|
1122 moonbr_io_prepare_errmsg();
|
jbe@108
|
1123 freeaddrinfo(res);
|
jbe@257
|
1124 moonbr_io_return_prepared_errmsg();
|
jbe@98
|
1125 }
|
jbe@98
|
1126 if (connect(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@108
|
1127 freeaddrinfo(res);
|
jbe@99
|
1128 if (!nonblocking && errno == EINTR) {
|
jbe@257
|
1129 moonbr_io_prepare_errmsg();
|
jbe@99
|
1130 close(sock);
|
jbe@257
|
1131 moonbr_io_return_prepared_errmsg();
|
jbe@257
|
1132 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) moonbr_io_return_errmsg();
|
jbe@108
|
1133 } else {
|
jbe@108
|
1134 freeaddrinfo(res);
|
jbe@98
|
1135 }
|
jbe@107
|
1136 moonbr_io_pushhandle(L, sock);
|
jbe@98
|
1137 return 1;
|
jbe@98
|
1138 }
|
jbe@98
|
1139
|
jbe@99
|
1140 static int moonbr_io_tcpconnect(lua_State *L) {
|
jbe@99
|
1141 return moonbr_io_tcpconnect_impl(L, 0);
|
jbe@99
|
1142 }
|
jbe@99
|
1143
|
jbe@99
|
1144 static int moonbr_io_tcpconnect_nb(lua_State *L) {
|
jbe@99
|
1145 return moonbr_io_tcpconnect_impl(L, 1);
|
jbe@99
|
1146 }
|
jbe@99
|
1147
|
jbe@112
|
1148 static int moonbr_io_locallisten(lua_State *L) {
|
jbe@112
|
1149 moonbr_io_listener_t *listener;
|
jbe@112
|
1150 const char *path;
|
jbe@118
|
1151 struct stat sb;
|
jbe@112
|
1152 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@112
|
1153 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@112
|
1154 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@112
|
1155 ) - 1; /* one byte for termination */
|
jbe@112
|
1156 int sock;
|
jbe@112
|
1157 path = luaL_checkstring(L, 1);
|
jbe@112
|
1158 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@112
|
1159 strcpy(sockaddr.sun_path, path);
|
jbe@118
|
1160 if (stat(path, &sb) == 0) {
|
jbe@118
|
1161 if (S_ISSOCK(sb.st_mode)) unlink(path);
|
jbe@118
|
1162 }
|
jbe@112
|
1163 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
1164 listener->fd = -1;
|
jbe@112
|
1165 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@112
|
1166 sock = socket(
|
jbe@112
|
1167 PF_LOCAL,
|
jbe@112
|
1168 SOCK_STREAM | SOCK_CLOEXEC,
|
jbe@112
|
1169 0
|
jbe@112
|
1170 );
|
jbe@257
|
1171 if (sock < 0) moonbr_io_return_errmsg();
|
jbe@112
|
1172 if (bind(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@257
|
1173 moonbr_io_prepare_errmsg();
|
jbe@112
|
1174 close(sock);
|
jbe@257
|
1175 moonbr_io_return_prepared_errmsg();
|
jbe@112
|
1176 }
|
jbe@112
|
1177 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@257
|
1178 moonbr_io_prepare_errmsg();
|
jbe@112
|
1179 close(sock);
|
jbe@257
|
1180 moonbr_io_return_prepared_errmsg();
|
jbe@112
|
1181 }
|
jbe@112
|
1182 listener->fd = sock;
|
jbe@118
|
1183 listener->addrfam = AF_LOCAL;
|
jbe@112
|
1184 listener->nonblocking = -1;
|
jbe@112
|
1185 return 1;
|
jbe@112
|
1186 }
|
jbe@112
|
1187
|
jbe@108
|
1188 static int moonbr_io_tcplisten(lua_State *L) {
|
jbe@108
|
1189 moonbr_io_listener_t *listener;
|
jbe@108
|
1190 const char *host, *port;
|
jbe@108
|
1191 struct addrinfo hints = { 0, };
|
jbe@108
|
1192 struct addrinfo *res, *addrinfo;
|
jbe@108
|
1193 int errcode;
|
jbe@108
|
1194 int sock;
|
jbe@108
|
1195 host = luaL_optstring(L, 1, NULL);
|
jbe@108
|
1196 port = luaL_checkstring(L, 2);
|
jbe@108
|
1197 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
1198 listener->fd = -1;
|
jbe@108
|
1199 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1200 hints.ai_family = AF_UNSPEC;
|
jbe@108
|
1201 hints.ai_socktype = SOCK_STREAM;
|
jbe@108
|
1202 hints.ai_protocol = IPPROTO_TCP;
|
jbe@108
|
1203 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
|
jbe@108
|
1204 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@108
|
1205 if (errcode) {
|
jbe@108
|
1206 freeaddrinfo(res);
|
jbe@108
|
1207 if (errcode == EAI_SYSTEM) {
|
jbe@257
|
1208 moonbr_io_prepare_errmsg();
|
jbe@108
|
1209 lua_pushnil(L);
|
jbe@108
|
1210 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@108
|
1211 } else {
|
jbe@108
|
1212 lua_pushnil(L);
|
jbe@108
|
1213 lua_pushstring(L, gai_strerror(errcode));
|
jbe@108
|
1214 }
|
jbe@108
|
1215 return 2;
|
jbe@108
|
1216 }
|
jbe@108
|
1217 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1218 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
1219 }
|
jbe@108
|
1220 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1221 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
1222 }
|
jbe@108
|
1223 addrinfo = res;
|
jbe@108
|
1224 moonbr_io_tcpconnect_found:
|
jbe@118
|
1225 listener->addrfam = addrinfo->ai_family;
|
jbe@108
|
1226 sock = socket(
|
jbe@134
|
1227 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@108
|
1228 addrinfo->ai_socktype | SOCK_CLOEXEC,
|
jbe@108
|
1229 addrinfo->ai_protocol
|
jbe@108
|
1230 );
|
jbe@108
|
1231 if (sock < 0) {
|
jbe@257
|
1232 moonbr_io_prepare_errmsg();
|
jbe@108
|
1233 freeaddrinfo(res);
|
jbe@257
|
1234 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1235 }
|
jbe@120
|
1236 {
|
jbe@120
|
1237 static const int reuseval = 1;
|
jbe@120
|
1238 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuseval, sizeof(reuseval))) {
|
jbe@257
|
1239 moonbr_io_prepare_errmsg();
|
jbe@120
|
1240 freeaddrinfo(res);
|
jbe@120
|
1241 close(sock);
|
jbe@120
|
1242 lua_pushnil(L);
|
jbe@120
|
1243 lua_pushfstring(L, "Error while setting SO_REUSEADDR with setsockopt: %s", errmsg);
|
jbe@120
|
1244 return 2;
|
jbe@120
|
1245 }
|
jbe@120
|
1246 }
|
jbe@108
|
1247 if (bind(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@257
|
1248 moonbr_io_prepare_errmsg();
|
jbe@108
|
1249 freeaddrinfo(res);
|
jbe@108
|
1250 close(sock);
|
jbe@257
|
1251 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1252 }
|
jbe@108
|
1253 freeaddrinfo(res);
|
jbe@108
|
1254 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@257
|
1255 moonbr_io_prepare_errmsg();
|
jbe@108
|
1256 close(sock);
|
jbe@257
|
1257 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1258 }
|
jbe@108
|
1259 listener->fd = sock;
|
jbe@108
|
1260 listener->nonblocking = -1;
|
jbe@108
|
1261 return 1;
|
jbe@108
|
1262 }
|
jbe@108
|
1263
|
jbe@108
|
1264 static int moonbr_io_accept_impl(lua_State *L, int nonblocking) {
|
jbe@108
|
1265 moonbr_io_listener_t *listener;
|
jbe@108
|
1266 int fd;
|
jbe@108
|
1267 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1268 if (listener->fd < 0) luaL_error(L, "Attempt to use a closed listener");
|
jbe@108
|
1269 if (listener->nonblocking != nonblocking) {
|
jbe@108
|
1270 int flags;
|
jbe@108
|
1271 flags = fcntl(listener->fd, F_GETFL, 0);
|
jbe@108
|
1272 if (flags == -1) {
|
jbe@257
|
1273 moonbr_io_prepare_errmsg();
|
jbe@108
|
1274 close(listener->fd);
|
jbe@108
|
1275 listener->fd = -1;
|
jbe@108
|
1276 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
1277 }
|
jbe@108
|
1278 if (nonblocking) flags |= O_NONBLOCK;
|
jbe@108
|
1279 else flags &= ~O_NONBLOCK;
|
jbe@108
|
1280 if (fcntl(listener->fd, F_SETFL, flags) == -1) {
|
jbe@257
|
1281 moonbr_io_prepare_errmsg();
|
jbe@108
|
1282 close(listener->fd);
|
jbe@108
|
1283 listener->fd = -1;
|
jbe@108
|
1284 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
1285 }
|
jbe@108
|
1286 listener->nonblocking = nonblocking;
|
jbe@108
|
1287 }
|
jbe@108
|
1288 while (1) {
|
jbe@214
|
1289 #if defined(__linux__) && !defined(_GNU_SOURCE)
|
jbe@215
|
1290 fd = accept(listener->fd, NULL, NULL);
|
jbe@214
|
1291 if (fd != -1) {
|
jbe@214
|
1292 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
jbe@257
|
1293 moonbr_io_prepare_errmsg();
|
jbe@214
|
1294 close(listener->fd);
|
jbe@214
|
1295 listener->fd = -1;
|
jbe@214
|
1296 close(fd);
|
jbe@214
|
1297 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@214
|
1298 }
|
jbe@214
|
1299 }
|
jbe@214
|
1300 #else
|
jbe@108
|
1301 fd = accept4(listener->fd, NULL, NULL, SOCK_CLOEXEC);
|
jbe@214
|
1302 #endif
|
jbe@108
|
1303 if (fd < 0) {
|
jbe@108
|
1304 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@108
|
1305 lua_pushboolean(L, 0);
|
jbe@108
|
1306 lua_pushliteral(L, "No incoming connection pending");
|
jbe@108
|
1307 return 2;
|
jbe@257
|
1308 } else if (errno != EINTR) moonbr_io_return_errmsg();
|
jbe@108
|
1309 } else {
|
jbe@108
|
1310 moonbr_io_pushhandle(L, fd);
|
jbe@108
|
1311 return 1;
|
jbe@108
|
1312 }
|
jbe@108
|
1313 }
|
jbe@108
|
1314 }
|
jbe@108
|
1315
|
jbe@108
|
1316 static int moonbr_io_accept(lua_State *L) {
|
jbe@108
|
1317 return moonbr_io_accept_impl(L, 0);
|
jbe@108
|
1318 }
|
jbe@108
|
1319
|
jbe@108
|
1320 static int moonbr_io_accept_nb(lua_State *L) {
|
jbe@108
|
1321 return moonbr_io_accept_impl(L, 1);
|
jbe@108
|
1322 }
|
jbe@108
|
1323
|
jbe@108
|
1324 static int moonbr_io_unlisten(lua_State *L) {
|
jbe@108
|
1325 moonbr_io_listener_t *listener;
|
jbe@118
|
1326 struct sockaddr_un addr;
|
jbe@118
|
1327 socklen_t addrlen;
|
jbe@118
|
1328 struct stat sb;
|
jbe@108
|
1329 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1330 if (listener->fd < 0) luaL_error(L, "Attempt to close a closed listener");
|
jbe@118
|
1331 addrlen = sizeof(addr);
|
jbe@118
|
1332 if (getsockname(listener->fd, (struct sockaddr *)&addr, &addrlen)) addrlen = 0;
|
jbe@108
|
1333 if (close(listener->fd)) {
|
jbe@257
|
1334 moonbr_io_prepare_errmsg();
|
jbe@108
|
1335 listener->fd = -1;
|
jbe@118
|
1336 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
1337 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
1338 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
1339 }
|
jbe@118
|
1340 }
|
jbe@257
|
1341 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1342 }
|
jbe@108
|
1343 listener->fd = -1;
|
jbe@118
|
1344 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
1345 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
1346 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
1347 }
|
jbe@118
|
1348 }
|
jbe@108
|
1349 lua_pushboolean(L, 1);
|
jbe@108
|
1350 return 1;
|
jbe@108
|
1351 }
|
jbe@108
|
1352
|
jbe@108
|
1353 static int moonbr_io_listenergc(lua_State *L) {
|
jbe@108
|
1354 moonbr_io_listener_t *listener;
|
jbe@108
|
1355 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@117
|
1356 if (listener->fd >= 0) close(listener->fd);
|
jbe@108
|
1357 listener->fd = -1;
|
jbe@108
|
1358 return 0;
|
jbe@108
|
1359 }
|
jbe@108
|
1360
|
jbe@205
|
1361 static int moonbr_io_exec(lua_State *L) {
|
jbe@205
|
1362 char **argv;
|
jbe@205
|
1363 int i, argc;
|
jbe@205
|
1364 int sockin[2], sockout[2], sockerr[2];
|
jbe@205
|
1365 volatile int errorcond = 0;
|
jbe@213
|
1366 volatile char errmsgbuf[MOONBR_IO_MAXSTRERRORLEN] = MOONBR_IO_STRERROR_R_MSG;
|
jbe@205
|
1367 moonbr_io_child_t *child;
|
jbe@205
|
1368 argc = lua_gettop(L);
|
jbe@205
|
1369 argv = lua_newuserdata(L, (argc + 1) * sizeof(char *));
|
jbe@205
|
1370 for (i=0; i<argc; i++) argv[i] = (char *)luaL_checkstring(L, i+1);
|
jbe@205
|
1371 argv[argc] = NULL;
|
jbe@208
|
1372 child = lua_newuserdata(L, sizeof(moonbr_io_child_t));
|
jbe@208
|
1373 child->pid = 0;
|
jbe@208
|
1374 lua_newtable(L);
|
jbe@208
|
1375 lua_setuservalue(L, -2);
|
jbe@238
|
1376 luaL_setmetatable(L, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@206
|
1377 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockin)) {
|
jbe@257
|
1378 moonbr_io_prepare_errmsg();
|
jbe@205
|
1379 lua_pushnil(L);
|
jbe@205
|
1380 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1381 return 2;
|
jbe@205
|
1382 }
|
jbe@206
|
1383 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockout)) {
|
jbe@257
|
1384 moonbr_io_prepare_errmsg();
|
jbe@205
|
1385 close(sockin[0]);
|
jbe@205
|
1386 close(sockin[1]);
|
jbe@205
|
1387 lua_pushnil(L);
|
jbe@205
|
1388 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1389 return 2;
|
jbe@205
|
1390 }
|
jbe@206
|
1391 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockerr)) {
|
jbe@257
|
1392 moonbr_io_prepare_errmsg();
|
jbe@205
|
1393 close(sockin[0]);
|
jbe@205
|
1394 close(sockin[1]);
|
jbe@205
|
1395 close(sockout[0]);
|
jbe@205
|
1396 close(sockout[1]);
|
jbe@205
|
1397 lua_pushnil(L);
|
jbe@205
|
1398 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1399 return 2;
|
jbe@205
|
1400 }
|
jbe@205
|
1401 child->pid = vfork();
|
jbe@205
|
1402 if (child->pid == -1) {
|
jbe@257
|
1403 moonbr_io_prepare_errmsg();
|
jbe@205
|
1404 close(sockin[0]);
|
jbe@205
|
1405 close(sockin[1]);
|
jbe@205
|
1406 close(sockout[0]);
|
jbe@205
|
1407 close(sockout[1]);
|
jbe@205
|
1408 close(sockerr[0]);
|
jbe@205
|
1409 close(sockerr[1]);
|
jbe@205
|
1410 lua_pushnil(L);
|
jbe@205
|
1411 lua_pushfstring(L, "Could not fork: %s", errmsg);
|
jbe@205
|
1412 return 2;
|
jbe@205
|
1413 }
|
jbe@205
|
1414 if (!child->pid) {
|
jbe@208
|
1415 if (dup2(sockin[1], 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1416 if (dup2(sockout[1], 1) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1417 if (dup2(sockerr[1], 2) == -1) goto moonbr_io_exec_error1;
|
jbe@232
|
1418 closefrom(3);
|
jbe@208
|
1419 if (fcntl(0, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1420 if (fcntl(1, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1421 if (fcntl(2, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@205
|
1422 if (execvp(argv[0], argv)) {
|
jbe@205
|
1423 errorcond = 2;
|
jbe@205
|
1424 strerror_r(errno, (char *)errmsgbuf, MOONBR_IO_MAXSTRERRORLEN);
|
jbe@205
|
1425 _exit(0);
|
jbe@205
|
1426 }
|
jbe@208
|
1427 moonbr_io_exec_error1:
|
jbe@206
|
1428 errorcond = 1;
|
jbe@206
|
1429 strerror_r(errno, (char *)errmsgbuf, MOONBR_IO_MAXSTRERRORLEN);
|
jbe@206
|
1430 _exit(0);
|
jbe@205
|
1431 }
|
jbe@205
|
1432 close(sockin[1]);
|
jbe@205
|
1433 close(sockout[1]);
|
jbe@205
|
1434 close(sockerr[1]);
|
jbe@205
|
1435 if (errorcond) {
|
jbe@205
|
1436 int status;
|
jbe@205
|
1437 close(sockin[0]);
|
jbe@205
|
1438 close(sockout[0]);
|
jbe@205
|
1439 close(sockerr[0]);
|
jbe@205
|
1440 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@205
|
1441 if (errno != EINTR) {
|
jbe@257
|
1442 moonbr_io_prepare_errmsg();
|
jbe@205
|
1443 luaL_error(L, "Error in waitpid call after unsuccessful exec: %s", errmsg);
|
jbe@205
|
1444 }
|
jbe@205
|
1445 }
|
jbe@208
|
1446 child->pid = 0;
|
jbe@205
|
1447 lua_pushnil(L);
|
jbe@205
|
1448 if (errorcond == 2) lua_pushfstring(L, "Could not execute: %s", errmsgbuf);
|
jbe@205
|
1449 else lua_pushfstring(L, "Error in fork: %s", errmsgbuf);
|
jbe@205
|
1450 return 2;
|
jbe@205
|
1451 }
|
jbe@208
|
1452 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1453 lua_pushlightuserdata(L, &sockin[0]);
|
jbe@208
|
1454 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1455 if (sockin[0] != -1) close(sockin[0]);
|
jbe@208
|
1456 close(sockout[0]);
|
jbe@208
|
1457 close(sockerr[0]);
|
jbe@208
|
1458 goto moonbr_io_exec_error2;
|
jbe@208
|
1459 }
|
jbe@205
|
1460 lua_setfield(L, -2, "stdin");
|
jbe@208
|
1461 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1462 lua_pushlightuserdata(L, &sockout[0]);
|
jbe@208
|
1463 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1464 if (sockout[0] != -1) close(sockout[0]);
|
jbe@208
|
1465 close(sockerr[0]);
|
jbe@208
|
1466 goto moonbr_io_exec_error2;
|
jbe@208
|
1467 }
|
jbe@205
|
1468 lua_setfield(L, -2, "stdout");
|
jbe@208
|
1469 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1470 lua_pushlightuserdata(L, &sockerr[0]);
|
jbe@208
|
1471 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1472 if (sockerr[0] != -1) close(sockerr[0]);
|
jbe@208
|
1473 goto moonbr_io_exec_error2;
|
jbe@208
|
1474 }
|
jbe@205
|
1475 lua_setfield(L, -2, "stderr");
|
jbe@205
|
1476 return 1;
|
jbe@208
|
1477 moonbr_io_exec_error2:
|
jbe@208
|
1478 {
|
jbe@208
|
1479 int status;
|
jbe@208
|
1480 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@208
|
1481 if (errno != EINTR) {
|
jbe@257
|
1482 moonbr_io_prepare_errmsg();
|
jbe@208
|
1483 luaL_error(L, "Error in waitpid call after error creating socket handles: %s", errmsg);
|
jbe@208
|
1484 }
|
jbe@208
|
1485 }
|
jbe@208
|
1486 }
|
jbe@208
|
1487 child->pid = 0;
|
jbe@208
|
1488 return lua_error(L);
|
jbe@205
|
1489 }
|
jbe@205
|
1490
|
jbe@205
|
1491 static int moonbr_io_childindex(lua_State *L) {
|
jbe@205
|
1492 luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1493 luaL_checkany(L, 2);
|
jbe@205
|
1494 lua_getuservalue(L, 1);
|
jbe@205
|
1495 lua_pushvalue(L, 2);
|
jbe@205
|
1496 lua_gettable(L, -2);
|
jbe@205
|
1497 if (lua_isnil(L, -1)) {
|
jbe@205
|
1498 luaL_getmetatable(L, MOONBR_IO_CHILD_PT_REGKEY);
|
jbe@205
|
1499 lua_pushvalue(L, 2);
|
jbe@205
|
1500 lua_gettable(L, -2);
|
jbe@205
|
1501 }
|
jbe@205
|
1502 return 1;
|
jbe@205
|
1503 }
|
jbe@205
|
1504
|
jbe@205
|
1505 static int moonbr_io_childnewindex(lua_State *L) {
|
jbe@205
|
1506 luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1507 luaL_checkany(L, 2);
|
jbe@205
|
1508 luaL_checkany(L, 3);
|
jbe@205
|
1509 lua_getuservalue(L, 1);
|
jbe@205
|
1510 lua_pushvalue(L, 2);
|
jbe@205
|
1511 lua_pushvalue(L, 3);
|
jbe@205
|
1512 lua_settable(L, -3);
|
jbe@205
|
1513 return 0;
|
jbe@205
|
1514 }
|
jbe@205
|
1515
|
jbe@205
|
1516 static int moonbr_io_childgc(lua_State *L) {
|
jbe@205
|
1517 moonbr_io_child_t *child;
|
jbe@205
|
1518 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1519 if (child->pid) {
|
jbe@205
|
1520 int status;
|
jbe@281
|
1521 int pid = child->pid;
|
jbe@281
|
1522 child->pid = 0;
|
jbe@281
|
1523 if (kill(pid, SIGKILL)) {
|
jbe@257
|
1524 moonbr_io_prepare_errmsg();
|
jbe@205
|
1525 luaL_error(L, "Error in kill call during garbage collection: %s", errmsg);
|
jbe@205
|
1526 }
|
jbe@281
|
1527 while (waitpid(pid, &status, 0) == -1) {
|
jbe@205
|
1528 if (errno != EINTR) {
|
jbe@257
|
1529 moonbr_io_prepare_errmsg();
|
jbe@205
|
1530 luaL_error(L, "Error in waitpid call during garbage collection: %s", errmsg);
|
jbe@205
|
1531 }
|
jbe@205
|
1532 }
|
jbe@205
|
1533 }
|
jbe@205
|
1534 return 0;
|
jbe@205
|
1535 }
|
jbe@205
|
1536
|
jbe@205
|
1537 static int moonbr_io_kill(lua_State *L) {
|
jbe@205
|
1538 moonbr_io_child_t *child;
|
jbe@205
|
1539 int sig;
|
jbe@205
|
1540 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@281
|
1541 if (lua_type(L, 2) == LUA_TSTRING) {
|
jbe@281
|
1542 lua_getfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALS_REGKEY);
|
jbe@281
|
1543 lua_pushvalue(L, 2);
|
jbe@281
|
1544 lua_gettable(L, -2);
|
jbe@281
|
1545 sig = lua_tointeger(L, -1);
|
jbe@281
|
1546 if (!sig) {
|
jbe@281
|
1547 lua_pushvalue(L, 2);
|
jbe@281
|
1548 luaL_error(L, "Unknown signal \"%s\"", lua_tostring(L, 2));
|
jbe@281
|
1549 }
|
jbe@281
|
1550 } else {
|
jbe@281
|
1551 sig = luaL_optinteger(L, 2, SIGKILL);
|
jbe@281
|
1552 }
|
jbe@205
|
1553 if (!child->pid) luaL_error(L, "Attempt to kill an already collected child process");
|
jbe@205
|
1554 if (kill(child->pid, sig)) {
|
jbe@257
|
1555 moonbr_io_prepare_errmsg();
|
jbe@205
|
1556 luaL_error(L, "Error in kill call: %s", errmsg);
|
jbe@205
|
1557 }
|
jbe@205
|
1558 lua_settop(L, 1);
|
jbe@205
|
1559 return 1;
|
jbe@205
|
1560 }
|
jbe@205
|
1561
|
jbe@205
|
1562 static int moonbr_io_wait_impl(lua_State *L, int nonblocking) {
|
jbe@205
|
1563 moonbr_io_child_t *child;
|
jbe@205
|
1564 pid_t waitedpid;
|
jbe@205
|
1565 int status;
|
jbe@205
|
1566 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1567 if (!child->pid) luaL_error(L, "Attempt to wait for an already collected child process");
|
jbe@205
|
1568 while ((waitedpid = waitpid(child->pid, &status, nonblocking ? WNOHANG : 0)) == -1) {
|
jbe@205
|
1569 if (errno != EINTR) {
|
jbe@257
|
1570 moonbr_io_prepare_errmsg();
|
jbe@205
|
1571 luaL_error(L, "Error in waitpid call: %s", errmsg);
|
jbe@205
|
1572 }
|
jbe@205
|
1573 }
|
jbe@205
|
1574 if (!waitedpid) {
|
jbe@219
|
1575 lua_pushboolean(L, 0);
|
jbe@219
|
1576 lua_pushliteral(L, "Process is still running");
|
jbe@219
|
1577 return 2;
|
jbe@205
|
1578 } else {
|
jbe@205
|
1579 child->pid = 0;
|
jbe@205
|
1580 if (WIFEXITED(status)) {
|
jbe@205
|
1581 lua_pushinteger(L, WEXITSTATUS(status));
|
jbe@205
|
1582 } else if (WIFSIGNALED(status)) {
|
jbe@205
|
1583 lua_pushinteger(L, -WTERMSIG(status));
|
jbe@205
|
1584 } else {
|
jbe@205
|
1585 luaL_error(L, "Unexpected status value returned by waitpid call");
|
jbe@205
|
1586 }
|
jbe@219
|
1587 return 1;
|
jbe@205
|
1588 }
|
jbe@205
|
1589 }
|
jbe@205
|
1590
|
jbe@205
|
1591 static int moonbr_io_wait(lua_State *L) {
|
jbe@205
|
1592 return moonbr_io_wait_impl(L, 0);
|
jbe@205
|
1593 }
|
jbe@205
|
1594
|
jbe@205
|
1595 static int moonbr_io_wait_nb(lua_State *L) {
|
jbe@205
|
1596 return moonbr_io_wait_impl(L, 1);
|
jbe@205
|
1597 }
|
jbe@205
|
1598
|
jbe@205
|
1599 #if LUA_VERSION_NUM >= 503
|
jbe@205
|
1600 static int moonbr_io_wait_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@205
|
1601 #else
|
jbe@205
|
1602 static int moonbr_io_wait_cont(lua_State *L) {
|
jbe@205
|
1603 #endif
|
jbe@205
|
1604 #if !(LUA_VERSION_NUM >= 503)
|
jbe@205
|
1605 int ctx = 0;
|
jbe@205
|
1606 lua_getctx(L, &ctx);
|
jbe@205
|
1607 #endif
|
jbe@205
|
1608 while (1) {
|
jbe@205
|
1609 lua_pushcfunction(L, moonbr_io_wait_nb);
|
jbe@205
|
1610 lua_pushvalue(L, 1);
|
jbe@205
|
1611 lua_call(L, 1, 1);
|
jbe@205
|
1612 if (!lua_isnil(L, -1)) break;
|
jbe@205
|
1613 lua_pushvalue(L, 2);
|
jbe@205
|
1614 lua_callk(L, 0, 0, ctx, moonbr_io_wait_cont);
|
jbe@205
|
1615 }
|
jbe@205
|
1616 return 1;
|
jbe@205
|
1617 }
|
jbe@205
|
1618
|
jbe@205
|
1619 static int moonbr_io_wait_call(lua_State *L) {
|
jbe@205
|
1620 lua_settop(L, 2);
|
jbe@205
|
1621 #if LUA_VERSION_NUM >= 503
|
jbe@205
|
1622 return moonbr_io_wait_cont(L, 0, 0);
|
jbe@205
|
1623 #else
|
jbe@205
|
1624 return moonbr_io_wait_cont(L);
|
jbe@205
|
1625 #endif
|
jbe@205
|
1626 }
|
jbe@205
|
1627
|
jbe@205
|
1628 moonbr_io_yield_wrapper(moonbr_io_wait_yield, moonbr_io_wait_call);
|
jbe@205
|
1629
|
jbe@266
|
1630 static void moonbr_io_signalhandler(int sig) {
|
jbe@266
|
1631 int errno2 = errno;
|
jbe@278
|
1632 char buf[1] = {'.'};
|
jbe@278
|
1633 write(moonbr_io_signalfd_write(sig), buf, 1);
|
jbe@266
|
1634 errno = errno2;
|
jbe@266
|
1635 }
|
jbe@266
|
1636
|
jbe@266
|
1637 static int moonbr_io_signalsocket(lua_State *L) {
|
jbe@278
|
1638 int sig, fd;
|
jbe@278
|
1639 if (lua_type(L, 1) == LUA_TSTRING) {
|
jbe@278
|
1640 lua_getfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALS_REGKEY);
|
jbe@278
|
1641 lua_pushvalue(L, 1);
|
jbe@278
|
1642 lua_gettable(L, -2);
|
jbe@278
|
1643 sig = lua_tointeger(L, -1);
|
jbe@278
|
1644 if (!sig) {
|
jbe@278
|
1645 lua_pushvalue(L, 1);
|
jbe@278
|
1646 luaL_error(L, "Unknown signal \"%s\"", lua_tostring(L, 1));
|
jbe@266
|
1647 }
|
jbe@278
|
1648 } else {
|
jbe@278
|
1649 sig = luaL_checkinteger(L, 1);
|
jbe@266
|
1650 }
|
jbe@278
|
1651 if (sig < 1 || sig > MOONBR_IO_MAXSIGNUM) {
|
jbe@278
|
1652 luaL_error(L, "Signal number %i out of range", sig);
|
jbe@278
|
1653 }
|
jbe@278
|
1654 if (moonbr_io_signalfd_read(sig) < 0) {
|
jbe@278
|
1655 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, moonbr_io_signalfds+2*sig)) {
|
jbe@278
|
1656 luaL_error(L, "Could not create socket pair for signal queueing");
|
jbe@271
|
1657 }
|
jbe@266
|
1658 }
|
jbe@280
|
1659 errno = 0;
|
jbe@280
|
1660 signal(sig, moonbr_io_signalhandler);
|
jbe@280
|
1661 if (errno) luaL_error(L, "Could not install signal handler (invalid signal number %i?)", sig);
|
jbe@280
|
1662 lua_getfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALSOCKETS_REGKEY);
|
jbe@280
|
1663 lua_pushinteger(L, sig);
|
jbe@280
|
1664 lua_gettable(L, -2);
|
jbe@280
|
1665 if (!lua_isnil(L, -1)) return 1;
|
jbe@280
|
1666 fd = dup(moonbr_io_signalfd_read(sig)); /* avoid close on Lua error */
|
jbe@278
|
1667 if (fd < 0) luaL_error(L, "Could not create duplicated file descriptor for signal socket");
|
jbe@278
|
1668 moonbr_io_pushhandle(L, fd);
|
jbe@280
|
1669 lua_pushinteger(L, sig);
|
jbe@280
|
1670 lua_pushvalue(L, -2);
|
jbe@280
|
1671 lua_settable(L, -5); /* store reference to signal socket in cache table */
|
jbe@266
|
1672 return 1;
|
jbe@266
|
1673 }
|
jbe@266
|
1674
|
jbe@266
|
1675 static int moonbr_io_getpid(lua_State *L) {
|
jbe@266
|
1676 lua_pushinteger(L, getpid());
|
jbe@266
|
1677 return 1;
|
jbe@266
|
1678 }
|
jbe@266
|
1679
|
jbe@250
|
1680 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
1681
|
jbe@250
|
1682 #define moonbr_io_poll_tls() \
|
jbe@250
|
1683 if (!handle->tlshandshake) { \
|
jbe@250
|
1684 lua_pushboolean(L, 1); \
|
jbe@250
|
1685 return 1; \
|
jbe@250
|
1686 } \
|
jbe@250
|
1687 if (handle->tlshandshake == TLS_WANT_POLLIN) { \
|
jbe@250
|
1688 if (fd < 0) { \
|
jbe@250
|
1689 lua_pushboolean(L, 1); \
|
jbe@250
|
1690 return 1; \
|
jbe@250
|
1691 } \
|
jbe@250
|
1692 FD_SET(fd, &readfds); \
|
jbe@250
|
1693 if (fd+1 > nfds) nfds = fd+1; \
|
jbe@250
|
1694 continue; \
|
jbe@250
|
1695 } \
|
jbe@250
|
1696 if (handle->tlshandshake == TLS_WANT_POLLOUT) { \
|
jbe@250
|
1697 if (fd < 0) { \
|
jbe@250
|
1698 lua_pushboolean(L, 1); \
|
jbe@250
|
1699 return 1; \
|
jbe@250
|
1700 } \
|
jbe@250
|
1701 FD_SET(fd, &writefds); \
|
jbe@250
|
1702 if (fd+1 > nfds) nfds = fd+1; \
|
jbe@250
|
1703 continue; \
|
jbe@250
|
1704 } \
|
jbe@250
|
1705 while (0)
|
jbe@258
|
1706
|
jbe@258
|
1707 #endif /* MOONBR_IO_USE_TLS */
|
jbe@250
|
1708
|
jbe@106
|
1709 static int moonbr_io_poll(lua_State *L) {
|
jbe@106
|
1710 moonbr_io_handle_t *handle;
|
jbe@108
|
1711 moonbr_io_listener_t *listener;
|
jbe@106
|
1712 int fd, isnum;
|
jbe@106
|
1713 int nfds = 0;
|
jbe@106
|
1714 fd_set readfds, writefds, exceptfds;
|
jbe@106
|
1715 struct timeval timeout = {0, };
|
jbe@106
|
1716 int status;
|
jbe@106
|
1717 FD_ZERO(&readfds);
|
jbe@106
|
1718 FD_ZERO(&writefds);
|
jbe@106
|
1719 FD_ZERO(&exceptfds);
|
jbe@106
|
1720 if (!lua_isnoneornil(L, 1)) {
|
jbe@106
|
1721 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@106
|
1722 for (lua_pushnil(L); lua_next(L, 1); lua_pop(L, 1)) {
|
jbe@106
|
1723 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1724 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1725 if (handle) {
|
jbe@109
|
1726 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@106
|
1727 fd = handle->fd;
|
jbe@247
|
1728 #if MOONBR_IO_USE_TLS
|
jbe@250
|
1729 moonbr_io_poll_tls();
|
jbe@247
|
1730 #endif
|
jbe@122
|
1731 if (
|
jbe@122
|
1732 fd < 0 || /* fake EOF to simulate shutdown if fd < 0 */
|
jbe@122
|
1733 handle->readbufin != handle->readbufout /* data pending in buffer */
|
jbe@122
|
1734 ) {
|
jbe@109
|
1735 lua_pushboolean(L, 1);
|
jbe@109
|
1736 return 1;
|
jbe@109
|
1737 }
|
jbe@106
|
1738 } else {
|
jbe@108
|
1739 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1740 if (listener) {
|
jbe@108
|
1741 fd = listener->fd;
|
jbe@108
|
1742 if (fd < 0) luaL_error(L, "Attempt to poll a closed listener");
|
jbe@108
|
1743 } else {
|
jbe@108
|
1744 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@108
|
1745 if (!isnum) luaL_error(L, "Expected integer (file descriptor), I/O handle, or listener in table key");
|
jbe@108
|
1746 }
|
jbe@106
|
1747 }
|
jbe@138
|
1748 if (fd < 0 || fd >= FD_SETSIZE) luaL_error(L, "File descriptor out of valid range");
|
jbe@106
|
1749 FD_SET(fd, &readfds);
|
jbe@106
|
1750 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1751 }
|
jbe@106
|
1752 }
|
jbe@106
|
1753 }
|
jbe@106
|
1754 if (!lua_isnoneornil(L, 2)) {
|
jbe@106
|
1755 luaL_checktype(L, 2, LUA_TTABLE);
|
jbe@106
|
1756 for (lua_pushnil(L); lua_next(L, 2); lua_pop(L, 1)) {
|
jbe@106
|
1757 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1758 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1759 if (handle) {
|
jbe@109
|
1760 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@109
|
1761 if (handle->finished) luaL_error(L, "Attempt to write-poll a finished connection");
|
jbe@106
|
1762 fd = handle->fd;
|
jbe@247
|
1763 #if MOONBR_IO_USE_TLS
|
jbe@250
|
1764 moonbr_io_poll_tls();
|
jbe@247
|
1765 #endif
|
jbe@106
|
1766 } else {
|
jbe@108
|
1767 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@109
|
1768 if (listener) luaL_error(L, "Attempt to write-poll a listener");
|
jbe@109
|
1769 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@109
|
1770 if (!isnum) luaL_error(L, "Expected integer (file descriptor) or I/O handle in table key");
|
jbe@106
|
1771 }
|
jbe@138
|
1772 if (fd < 0 || fd >= FD_SETSIZE) luaL_error(L, "File descriptor out of valid range");
|
jbe@106
|
1773 FD_SET(fd, &writefds);
|
jbe@106
|
1774 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1775 }
|
jbe@106
|
1776 }
|
jbe@106
|
1777 }
|
jbe@106
|
1778 if (!lua_isnoneornil(L, 3)) {
|
jbe@106
|
1779 lua_Number n;
|
jbe@106
|
1780 n = lua_tonumberx(L, 3, &isnum);
|
jbe@146
|
1781 if (isnum && n<0) {
|
jbe@146
|
1782 lua_pushboolean(L, 0);
|
jbe@146
|
1783 lua_pushliteral(L, "Negative timeout");
|
jbe@146
|
1784 return 2;
|
jbe@146
|
1785 } else if (isnum && n>=0 && n<100000000) {
|
jbe@106
|
1786 timeout.tv_sec = n;
|
jbe@106
|
1787 timeout.tv_usec = 1e6 * (n - timeout.tv_sec);
|
jbe@106
|
1788 } else {
|
jbe@106
|
1789 luaL_argcheck(L, 0, 3, "not a valid timeout");
|
jbe@106
|
1790 }
|
jbe@106
|
1791 status = select(nfds, &readfds, &writefds, &exceptfds, &timeout);
|
jbe@106
|
1792 } else {
|
jbe@106
|
1793 status = select(nfds, &readfds, &writefds, &exceptfds, NULL);
|
jbe@106
|
1794 }
|
jbe@106
|
1795 if (status == -1) {
|
jbe@106
|
1796 if (errno == EINTR) {
|
jbe@266
|
1797 lua_pushboolean(L, 1);
|
jbe@266
|
1798 return 1;
|
jbe@106
|
1799 } else {
|
jbe@257
|
1800 moonbr_io_prepare_errmsg();
|
jbe@106
|
1801 return luaL_error(L, "Unexpected error during \"select\" system call: %s", errmsg);
|
jbe@106
|
1802 }
|
jbe@106
|
1803 } else if (status == 0) {
|
jbe@106
|
1804 lua_pushboolean(L, 0);
|
jbe@106
|
1805 lua_pushliteral(L, "Timeout while polling file descriptors");
|
jbe@106
|
1806 return 2;
|
jbe@106
|
1807 } else {
|
jbe@106
|
1808 lua_pushboolean(L, 1);
|
jbe@106
|
1809 return 1;
|
jbe@106
|
1810 }
|
jbe@106
|
1811 }
|
jbe@106
|
1812
|
jbe@115
|
1813 static int moonbr_io_timeref(lua_State *L) {
|
jbe@115
|
1814 lua_Number sub;
|
jbe@115
|
1815 struct timespec tp;
|
jbe@115
|
1816 sub = luaL_optnumber(L, 1, 0);
|
jbe@115
|
1817 if (clock_gettime(CLOCK_MONOTONIC, &tp)) {
|
jbe@115
|
1818 return luaL_error(L, "Could not access CLOCK_MONOTONIC");
|
jbe@115
|
1819 }
|
jbe@115
|
1820 lua_pushnumber(L, tp.tv_sec + tp.tv_nsec / 1.0e9 - sub);
|
jbe@115
|
1821 return 1;
|
jbe@115
|
1822 }
|
jbe@115
|
1823
|
jbe@243
|
1824 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
1825
|
jbe@243
|
1826 #define moonbr_io_tlsconf_string(name, field, func) \
|
jbe@243
|
1827 /* NOTE: use valuetype = lua_getfield(...) for LUA_VERSION_NUM >= 503 */ \
|
jbe@243
|
1828 lua_getfield(L, 1, (field)); \
|
jbe@243
|
1829 valuetype = lua_type(L, -1); \
|
jbe@243
|
1830 if (valuetype != LUA_TNIL) { \
|
jbe@243
|
1831 luaL_argcheck(L, valuetype == LUA_TSTRING, 1, "field \"" field "\" is not a string"); \
|
jbe@243
|
1832 value = lua_tostring(L, -1); \
|
jbe@252
|
1833 if (func(tlsconf->config, value)) { \
|
jbe@243
|
1834 lua_pushnil(L); \
|
jbe@243
|
1835 lua_pushfstring(L, "Could not set " name " \"%s\"", value); \
|
jbe@243
|
1836 return 2; \
|
jbe@243
|
1837 } \
|
jbe@243
|
1838 } \
|
jbe@243
|
1839 lua_pop(L, 1);
|
jbe@243
|
1840
|
jbe@243
|
1841 #define moonbr_io_tlsconf_binary(name, field, func) \
|
jbe@243
|
1842 /* NOTE: use valuetype = lua_getfield(...) for LUA_VERSION_NUM >= 503 */ \
|
jbe@243
|
1843 lua_getfield(L, 1, (field)); \
|
jbe@243
|
1844 valuetype = lua_type(L, -1); \
|
jbe@243
|
1845 if (valuetype != LUA_TNIL) { \
|
jbe@243
|
1846 luaL_argcheck(L, valuetype == LUA_TSTRING, 1, "field \"" field "\" is not a string"); \
|
jbe@243
|
1847 value = lua_tolstring(L, -1, &valuelen); \
|
jbe@252
|
1848 if (func(tlsconf->config, (void *)value, valuelen)) { \
|
jbe@243
|
1849 lua_pushnil(L); \
|
jbe@243
|
1850 lua_pushliteral(L, "Could not set " name); \
|
jbe@243
|
1851 return 2; \
|
jbe@243
|
1852 } \
|
jbe@243
|
1853 } \
|
jbe@243
|
1854 lua_pop(L, 1);
|
jbe@243
|
1855
|
jbe@243
|
1856 static int moonbr_io_tlsconf(lua_State *L) {
|
jbe@252
|
1857 moonbr_io_tlsconf_t *tlsconf;
|
jbe@243
|
1858 int valuetype;
|
jbe@243
|
1859 const char *value;
|
jbe@243
|
1860 size_t valuelen;
|
jbe@243
|
1861 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@252
|
1862 tlsconf = lua_newuserdata(L, sizeof(moonbr_io_tlsconf_t));
|
jbe@252
|
1863 tlsconf->config = tls_config_new();
|
jbe@252
|
1864 if (!tlsconf->config) {
|
jbe@243
|
1865 return luaL_error(L, "Could not allocate memory for TLS configuration");
|
jbe@243
|
1866 }
|
jbe@243
|
1867 luaL_setmetatable(L, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@245
|
1868 lua_getfield(L, 1, "mode");
|
jbe@252
|
1869 value = lua_tostring(L, -1);
|
jbe@252
|
1870 if (value && !strcmp(value, "server")) tlsconf->server = 1;
|
jbe@252
|
1871 else if (value && !strcmp(value, "client")) tlsconf->server = 0;
|
jbe@252
|
1872 else luaL_argcheck(L, 0, 1, "field \"mode\" must be set to \"server\" or \"client\"");
|
jbe@245
|
1873 lua_pop(L, 1);
|
jbe@243
|
1874 moonbr_io_tlsconf_string("CA file", "ca_file", tls_config_set_ca_file);
|
jbe@243
|
1875 moonbr_io_tlsconf_string("CA path", "ca_path", tls_config_set_ca_path);
|
jbe@243
|
1876 moonbr_io_tlsconf_binary("CA", "ca_mem", tls_config_set_ca_mem);
|
jbe@243
|
1877 moonbr_io_tlsconf_string("certificate file", "cert_file", tls_config_set_cert_file);
|
jbe@243
|
1878 moonbr_io_tlsconf_binary("certificate", "cert_mem", tls_config_set_cert_mem);
|
jbe@243
|
1879 moonbr_io_tlsconf_string("key file", "key_file", tls_config_set_key_file);
|
jbe@243
|
1880 moonbr_io_tlsconf_binary("key", "key_mem", tls_config_set_key_mem);
|
jbe@245
|
1881 #if LUA_VERSION_NUM >= 503
|
jbe@245
|
1882 valuetype = lua_getfield(L, 1, "verify_client");
|
jbe@245
|
1883 #else
|
jbe@244
|
1884 lua_getfield(L, 1, "verify_client");
|
jbe@245
|
1885 #endif
|
jbe@244
|
1886 if (lua_toboolean(L, -1)) {
|
jbe@252
|
1887 value = lua_tostring(L, -1);
|
jbe@252
|
1888 if (value && !strcmp(value, "required")) {
|
jbe@252
|
1889 tls_config_verify_client(tlsconf->config);
|
jbe@252
|
1890 } else if (value && !strcmp(value, "optional")) {
|
jbe@252
|
1891 tls_config_verify_client_optional(tlsconf->config);
|
jbe@244
|
1892 } else {
|
jbe@244
|
1893 luaL_argcheck(L, 0, 1, "field \"verify_client\" must be set to \"required\", \"optional\", or be false or nil");
|
jbe@244
|
1894 }
|
jbe@244
|
1895 }
|
jbe@244
|
1896 lua_pop(L, 1);
|
jbe@254
|
1897 // TODO: configurable legacy support
|
jbe@254
|
1898 // tls_config_set_protocols(tlsconf->config, TLS_PROTOCOLS_ALL);
|
jbe@254
|
1899 // tls_config_set_ciphers(tlsconf->config, "legacy");
|
jbe@243
|
1900 return 1;
|
jbe@243
|
1901 }
|
jbe@243
|
1902
|
jbe@252
|
1903 static int moonbr_io_tlsconfgc(lua_State *L) {
|
jbe@252
|
1904 moonbr_io_tlsconf_t *tlsconf;
|
jbe@243
|
1905 tlsconf = luaL_checkudata(L, 1, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@252
|
1906 if (tlsconf->config) tls_config_free(tlsconf->config);
|
jbe@252
|
1907 tlsconf->config = NULL;
|
jbe@243
|
1908 return 0;
|
jbe@243
|
1909 }
|
jbe@243
|
1910
|
jbe@246
|
1911 static int moonbr_io_starttls(lua_State *L) {
|
jbe@246
|
1912 moonbr_io_handle_t *handle;
|
jbe@252
|
1913 moonbr_io_tlsconf_t *tlsconf;
|
jbe@246
|
1914 const char *servername;
|
jbe@246
|
1915 struct tls *tls, *tls2;
|
jbe@246
|
1916 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@246
|
1917 if (lua_type(L, 2) == LUA_TTABLE) {
|
jbe@246
|
1918 lua_pushcfunction(L, moonbr_io_tlsconf);
|
jbe@246
|
1919 lua_pushvalue(L, 2);
|
jbe@246
|
1920 lua_call(L, 1, 2);
|
jbe@246
|
1921 if (lua_isnil(L, -2)) return 2;
|
jbe@246
|
1922 lua_pop(L, 1);
|
jbe@246
|
1923 lua_replace(L, 2);
|
jbe@246
|
1924 }
|
jbe@246
|
1925 tlsconf = luaL_checkudata(L, 2, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@246
|
1926 if (handle->closed) return luaL_error(L, "Attempt to start TLS on a closed I/O handle");
|
jbe@246
|
1927 if (handle->finished) return luaL_error(L, "Attempt to start TLS on a finished I/O handle");
|
jbe@247
|
1928 if (handle->tls) return luaL_error(L, "Attempt to start TLS twice");
|
jbe@246
|
1929 if (handle->readbufin || handle->writebufin) {
|
jbe@246
|
1930 return luaL_error(L, "Attempt to start TLS on an I/O handle with non-empty buffers");
|
jbe@246
|
1931 }
|
jbe@252
|
1932 if (tlsconf->server) tls = tls_server();
|
jbe@252
|
1933 else {
|
jbe@246
|
1934 servername = luaL_checkstring(L, 3);
|
jbe@246
|
1935 tls = tls_client();
|
jbe@246
|
1936 }
|
jbe@246
|
1937 if (!tls) {
|
jbe@246
|
1938 return luaL_error(L, "Could not allocate memory for TLS context");
|
jbe@246
|
1939 }
|
jbe@252
|
1940 if (tls_configure(tls, tlsconf->config)) goto moonbr_io_starttls_error;
|
jbe@252
|
1941 if (tlsconf->server) {
|
jbe@246
|
1942 if (tls_accept_socket(tls, &tls2, handle->fd)) goto moonbr_io_starttls_error;
|
jbe@246
|
1943 handle->servertls = tls;
|
jbe@246
|
1944 handle->tls = tls2;
|
jbe@246
|
1945 } else {
|
jbe@246
|
1946 if (tls_connect_socket(tls, handle->fd, servername)) goto moonbr_io_starttls_error;
|
jbe@246
|
1947 handle->tls = tls;
|
jbe@246
|
1948 }
|
jbe@246
|
1949 lua_settop(L, 1);
|
jbe@246
|
1950 return 1;
|
jbe@246
|
1951 moonbr_io_starttls_error:
|
jbe@246
|
1952 lua_pushnil(L);
|
jbe@246
|
1953 lua_pushstring(L, tls_error(tls));
|
jbe@246
|
1954 tls_free(tls);
|
jbe@246
|
1955 return 2;
|
jbe@246
|
1956 }
|
jbe@246
|
1957
|
jbe@258
|
1958 #endif /* MOONBR_IO_USE_TLS */
|
jbe@243
|
1959
|
jbe@79
|
1960 static const struct luaL_Reg moonbr_io_handle_methods[] = {
|
jbe@85
|
1961 {"read", moonbr_io_read},
|
jbe@85
|
1962 {"read_nb", moonbr_io_read_nb},
|
jbe@140
|
1963 {"read_call", moonbr_io_read_call},
|
jbe@140
|
1964 {"read_yield", moonbr_io_read_yield},
|
jbe@86
|
1965 {"drain", moonbr_io_drain},
|
jbe@86
|
1966 {"drain_nb", moonbr_io_drain_nb},
|
jbe@144
|
1967 {"drain_call", moonbr_io_drain_call},
|
jbe@144
|
1968 {"drain_yield", moonbr_io_drain_yield},
|
jbe@80
|
1969 {"write", moonbr_io_write},
|
jbe@81
|
1970 {"write_nb", moonbr_io_write_nb},
|
jbe@145
|
1971 {"write_call", moonbr_io_write_call},
|
jbe@145
|
1972 {"write_yield", moonbr_io_write_yield},
|
jbe@80
|
1973 {"flush", moonbr_io_flush},
|
jbe@81
|
1974 {"flush_nb", moonbr_io_flush_nb},
|
jbe@145
|
1975 {"flush_call", moonbr_io_flush_call},
|
jbe@145
|
1976 {"flush_yield", moonbr_io_flush_yield},
|
jbe@88
|
1977 {"finish", moonbr_io_finish},
|
jbe@87
|
1978 {"close", moonbr_io_close},
|
jbe@85
|
1979 {"reset", moonbr_io_reset},
|
jbe@246
|
1980 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
1981 {"starttls", moonbr_io_starttls},
|
jbe@246
|
1982 #endif
|
jbe@79
|
1983 {NULL, NULL}
|
jbe@79
|
1984 };
|
jbe@79
|
1985
|
jbe@79
|
1986 static const struct luaL_Reg moonbr_io_handle_metamethods[] = {
|
jbe@79
|
1987 {"__index", moonbr_io_handleindex},
|
jbe@79
|
1988 {"__newindex", moonbr_io_handlenewindex},
|
jbe@108
|
1989 {"__gc", moonbr_io_handlegc},
|
jbe@108
|
1990 {NULL, NULL}
|
jbe@108
|
1991 };
|
jbe@108
|
1992
|
jbe@108
|
1993 static const struct luaL_Reg moonbr_io_listener_methods[] = {
|
jbe@108
|
1994 {"accept", moonbr_io_accept},
|
jbe@108
|
1995 {"accept_nb", moonbr_io_accept_nb},
|
jbe@108
|
1996 {"close", moonbr_io_unlisten},
|
jbe@108
|
1997 {NULL, NULL}
|
jbe@108
|
1998 };
|
jbe@108
|
1999
|
jbe@108
|
2000 static const struct luaL_Reg moonbr_io_listener_metamethods[] = {
|
jbe@108
|
2001 {"__gc", moonbr_io_listenergc},
|
jbe@79
|
2002 {NULL, NULL}
|
jbe@79
|
2003 };
|
jbe@79
|
2004
|
jbe@205
|
2005 static const struct luaL_Reg moonbr_io_child_methods[] = {
|
jbe@205
|
2006 {"kill", moonbr_io_kill},
|
jbe@205
|
2007 {"wait", moonbr_io_wait},
|
jbe@205
|
2008 {"wait_nb", moonbr_io_wait_nb},
|
jbe@205
|
2009 {"wait_call", moonbr_io_wait_call},
|
jbe@205
|
2010 {"wait_yield", moonbr_io_wait_yield},
|
jbe@205
|
2011 {NULL, NULL}
|
jbe@205
|
2012 };
|
jbe@205
|
2013
|
jbe@205
|
2014 static const struct luaL_Reg moonbr_io_child_metamethods[] = {
|
jbe@205
|
2015 {"__index", moonbr_io_childindex},
|
jbe@205
|
2016 {"__newindex", moonbr_io_childnewindex},
|
jbe@205
|
2017 {"__gc", moonbr_io_childgc},
|
jbe@205
|
2018 {NULL, NULL}
|
jbe@205
|
2019 };
|
jbe@205
|
2020
|
jbe@79
|
2021 static const struct luaL_Reg moonbr_io_module_funcs[] = {
|
jbe@111
|
2022 {"localconnect", moonbr_io_localconnect},
|
jbe@111
|
2023 {"localconnect_nb", moonbr_io_localconnect_nb},
|
jbe@98
|
2024 {"tcpconnect", moonbr_io_tcpconnect},
|
jbe@99
|
2025 {"tcpconnect_nb", moonbr_io_tcpconnect_nb},
|
jbe@112
|
2026 {"locallisten", moonbr_io_locallisten},
|
jbe@108
|
2027 {"tcplisten", moonbr_io_tcplisten},
|
jbe@205
|
2028 {"exec", moonbr_io_exec},
|
jbe@266
|
2029 {"signalsocket", moonbr_io_signalsocket},
|
jbe@266
|
2030 {"getpid", moonbr_io_getpid},
|
jbe@106
|
2031 {"poll", moonbr_io_poll},
|
jbe@115
|
2032 {"timeref", moonbr_io_timeref},
|
jbe@243
|
2033 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2034 {"tlsconf", moonbr_io_tlsconf},
|
jbe@243
|
2035 #endif
|
jbe@79
|
2036 {NULL, NULL}
|
jbe@79
|
2037 };
|
jbe@79
|
2038
|
jbe@243
|
2039 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
2040
|
jbe@243
|
2041 static const struct luaL_Reg moonbr_io_tlsconf_metamethods[] = {
|
jbe@243
|
2042 {"__gc", moonbr_io_tlsconfgc},
|
jbe@243
|
2043 {NULL, NULL}
|
jbe@243
|
2044 };
|
jbe@258
|
2045
|
jbe@258
|
2046 #endif /* MOONBR_IO_USE_TLS */
|
jbe@243
|
2047
|
jbe@79
|
2048 int luaopen_moonbridge_io(lua_State *L) {
|
jbe@79
|
2049
|
jbe@113
|
2050 signal(SIGPIPE, SIG_IGN); /* generate I/O errors instead of signal 13 */
|
jbe@278
|
2051 {
|
jbe@278
|
2052 int i;
|
jbe@278
|
2053 for (i=0; i<=MOONBR_IO_MAXSIGNUM; i++) {
|
jbe@278
|
2054 moonbr_io_signalfd_read(i) = -1;
|
jbe@278
|
2055 moonbr_io_signalfd_write(i) = -1;
|
jbe@278
|
2056 }
|
jbe@278
|
2057 }
|
jbe@113
|
2058
|
jbe@80
|
2059 lua_newtable(L); // module
|
jbe@80
|
2060
|
jbe@79
|
2061 lua_newtable(L); // public metatable
|
jbe@79
|
2062 lua_newtable(L); // handle methods
|
jbe@79
|
2063 luaL_setfuncs(L, moonbr_io_handle_methods, 0);
|
jbe@80
|
2064 lua_pushvalue(L, -1);
|
jbe@146
|
2065 lua_setfield(L, -4, "handle_pt");
|
jbe@79
|
2066 lua_setfield(L, -2, "__index");
|
jbe@79
|
2067 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
2068
|
jbe@79
|
2069 lua_newtable(L); // handle metatable
|
jbe@79
|
2070 luaL_setfuncs(L, moonbr_io_handle_metamethods, 0);
|
jbe@146
|
2071 lua_pushvalue(L, -1);
|
jbe@146
|
2072 lua_setfield(L, -3, "handle_mt");
|
jbe@79
|
2073 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
2074
|
jbe@108
|
2075 lua_newtable(L); // listener metatable
|
jbe@108
|
2076 luaL_setfuncs(L, moonbr_io_listener_metamethods, 0);
|
jbe@108
|
2077 lua_newtable(L); // listener methods
|
jbe@108
|
2078 luaL_setfuncs(L, moonbr_io_listener_methods, 0);
|
jbe@108
|
2079 lua_pushvalue(L, -1);
|
jbe@146
|
2080 lua_setfield(L, -4, "listener_pt");
|
jbe@108
|
2081 lua_setfield(L, -2, "__index");
|
jbe@146
|
2082 lua_pushvalue(L, -1);
|
jbe@146
|
2083 lua_setfield(L, -3, "listener_mt");
|
jbe@108
|
2084 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
2085
|
jbe@205
|
2086 lua_newtable(L); // child methods
|
jbe@205
|
2087 luaL_setfuncs(L, moonbr_io_child_methods, 0);
|
jbe@205
|
2088 lua_pushvalue(L, -1);
|
jbe@205
|
2089 lua_setfield(L, -3, "child_pt");
|
jbe@205
|
2090 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_CHILD_PT_REGKEY);
|
jbe@205
|
2091 lua_newtable(L); // child metatable
|
jbe@205
|
2092 luaL_setfuncs(L, moonbr_io_child_metamethods, 0);
|
jbe@205
|
2093 lua_pushvalue(L, -1);
|
jbe@205
|
2094 lua_setfield(L, -3, "child_mt");
|
jbe@205
|
2095 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
2096
|
jbe@243
|
2097 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2098 if(tls_init()) {
|
jbe@243
|
2099 return luaL_error(L, "Could not initialize TLS library");
|
jbe@243
|
2100 }
|
jbe@243
|
2101 lua_newtable(L); // tlsconf metatable
|
jbe@243
|
2102 luaL_setfuncs(L, moonbr_io_tlsconf_metamethods, 0);
|
jbe@243
|
2103 lua_pushvalue(L, -1);
|
jbe@243
|
2104 lua_setfield(L, -3, "tlsconf_mt");
|
jbe@243
|
2105 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@243
|
2106 #endif
|
jbe@243
|
2107
|
jbe@205
|
2108 moonbr_io_pushhandle(L, 0);
|
jbe@205
|
2109 lua_setfield(L, -2, "stdin");
|
jbe@205
|
2110 moonbr_io_pushhandle(L, 1);
|
jbe@205
|
2111 lua_setfield(L, -2, "stdout");
|
jbe@205
|
2112 moonbr_io_pushhandle(L, 2);
|
jbe@205
|
2113 lua_setfield(L, -2, "stderr");
|
jbe@270
|
2114
|
jbe@270
|
2115 lua_newtable(L); // signal numbers
|
jbe@270
|
2116 lua_pushinteger(L, SIGHUP); lua_setfield(L, -2, "HUP");
|
jbe@270
|
2117 lua_pushinteger(L, SIGINT); lua_setfield(L, -2, "INT");
|
jbe@270
|
2118 lua_pushinteger(L, SIGQUIT); lua_setfield(L, -2, "QUIT");
|
jbe@270
|
2119 lua_pushinteger(L, SIGABRT); lua_setfield(L, -2, "ABRT");
|
jbe@270
|
2120 lua_pushinteger(L, SIGPIPE); lua_setfield(L, -2, "PIPE");
|
jbe@270
|
2121 lua_pushinteger(L, SIGALRM); lua_setfield(L, -2, "ALRM");
|
jbe@270
|
2122 lua_pushinteger(L, SIGTERM); lua_setfield(L, -2, "TERM");
|
jbe@270
|
2123 lua_pushinteger(L, SIGTSTP); lua_setfield(L, -2, "TSTP");
|
jbe@270
|
2124 lua_pushinteger(L, SIGCONT); lua_setfield(L, -2, "CONT");
|
jbe@270
|
2125 lua_pushinteger(L, SIGVTALRM); lua_setfield(L, -2, "VTALRM");
|
jbe@272
|
2126 #ifdef SIGINFO
|
jbe@270
|
2127 lua_pushinteger(L, SIGINFO); lua_setfield(L, -2, "INFO");
|
jbe@272
|
2128 #endif
|
jbe@270
|
2129 lua_pushinteger(L, SIGUSR1); lua_setfield(L, -2, "USR1");
|
jbe@270
|
2130 lua_pushinteger(L, SIGUSR2); lua_setfield(L, -2, "USR2");
|
jbe@271
|
2131 lua_pushvalue(L, -1);
|
jbe@271
|
2132 lua_setfield(L, -3, "signals");
|
jbe@271
|
2133 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALS_REGKEY);
|
jbe@280
|
2134
|
jbe@280
|
2135 lua_newtable(L); // signal sockets
|
jbe@280
|
2136 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALSOCKETS_REGKEY);
|
jbe@205
|
2137
|
jbe@79
|
2138 luaL_setfuncs(L, moonbr_io_module_funcs, 0);
|
jbe@79
|
2139 return 1;
|
jbe@79
|
2140
|
jbe@79
|
2141 }
|
jbe@79
|
2142
|