rev |
line source |
jbe@79
|
1
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jbe@79
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2 #include <stdlib.h>
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jbe@135
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3 #include <stdint.h>
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jbe@135
|
4 #include <string.h>
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jbe@135
|
5 //#include <stdio.h>
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jbe@135
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6 #include <errno.h>
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jbe@79
|
7 #include <unistd.h>
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jbe@135
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8 #include <signal.h>
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jbe@135
|
9 #include <fcntl.h>
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jbe@135
|
10 #include <sys/stat.h>
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jbe@79
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11 #include <sys/socket.h>
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jbe@111
|
12 #include <sys/un.h>
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jbe@95
|
13 #include <netinet/in.h>
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jbe@95
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14 #include <netinet/tcp.h>
|
jbe@135
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15 #include <sys/select.h>
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jbe@135
|
16 //#include <sys/types.h>
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jbe@135
|
17 #include <netdb.h>
|
jbe@107
|
18 #include <arpa/inet.h>
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jbe@135
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19 //#include <time.h>
|
jbe@79
|
20
|
jbe@79
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21 #include <lua.h>
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jbe@79
|
22 #include <lauxlib.h>
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jbe@79
|
23 #include <lualib.h>
|
jbe@79
|
24
|
jbe@80
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25 #define MOONBR_IO_MAXSTRERRORLEN 80
|
jbe@85
|
26 #define MOONBR_IO_READBUFLEN 4096
|
jbe@80
|
27 #define MOONBR_IO_WRITEBUFLEN 4096
|
jbe@80
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28
|
jbe@108
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29 #define MOONBR_IO_LISTEN_BACKLOG 1024
|
jbe@108
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30
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jbe@80
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31 #define moonbr_io_errmsg() \
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jbe@80
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32 char errmsg[MOONBR_IO_MAXSTRERRORLEN]; \
|
jbe@80
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33 strerror_r(errno, errmsg, MOONBR_IO_MAXSTRERRORLEN)
|
jbe@80
|
34
|
jbe@79
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35 #define MOONBR_IO_HANDLE_MT_REGKEY "moonbridge_io_handle"
|
jbe@79
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36 #define MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY "moonbridge_io_handle_public"
|
jbe@108
|
37 #define MOONBR_IO_LISTENER_MT_REGKEY "moonbridge_io_listener"
|
jbe@79
|
38
|
jbe@79
|
39 typedef struct {
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jbe@79
|
40 int fd;
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jbe@107
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41 int issock;
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jbe@107
|
42 sa_family_t addrfam;
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jbe@94
|
43 int finished;
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jbe@94
|
44 int closed;
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jbe@81
|
45 int nonblocking;
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jbe@95
|
46 int nopush;
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jbe@85
|
47 int readerr;
|
jbe@105
|
48 int readbufin;
|
jbe@105
|
49 int readbufout;
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jbe@81
|
50 int writeerr;
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jbe@83
|
51 size_t writeleft;
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jbe@132
|
52 size_t flushedleft;
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jbe@83
|
53 #if LUA_VERSION_NUM >= 503
|
jbe@83
|
54 lua_Integer writeqin;
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jbe@83
|
55 lua_Integer writeqout;
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jbe@83
|
56 #else
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jbe@83
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57 int writeqin;
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jbe@83
|
58 int writeqout;
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jbe@83
|
59 #endif
|
jbe@83
|
60 size_t writeqoff;
|
jbe@103
|
61 int writebufin;
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jbe@103
|
62 int writebufout;
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jbe@85
|
63 char readbuf[MOONBR_IO_READBUFLEN];
|
jbe@80
|
64 char writebuf[MOONBR_IO_WRITEBUFLEN];
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jbe@79
|
65 } moonbr_io_handle_t;
|
jbe@79
|
66
|
jbe@108
|
67 typedef struct {
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jbe@108
|
68 int fd;
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jbe@118
|
69 sa_family_t addrfam;
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jbe@108
|
70 int nonblocking;
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jbe@108
|
71 } moonbr_io_listener_t;
|
jbe@108
|
72
|
jbe@81
|
73 static void moonbr_io_handle_set_nonblocking(lua_State *L, moonbr_io_handle_t *handle, int nonblocking) {
|
jbe@95
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74 int flags;
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jbe@95
|
75 if (handle->nonblocking == nonblocking) return;
|
jbe@95
|
76 flags = fcntl(handle->fd, F_GETFL, 0);
|
jbe@95
|
77 if (flags == -1) {
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jbe@95
|
78 moonbr_io_errmsg();
|
jbe@96
|
79 close(handle->fd);
|
jbe@96
|
80 handle->fd = -1;
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jbe@96
|
81 handle->closed = 1;
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jbe@95
|
82 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@81
|
83 }
|
jbe@95
|
84 if (nonblocking) flags |= O_NONBLOCK;
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jbe@95
|
85 else flags &= ~O_NONBLOCK;
|
jbe@95
|
86 if (fcntl(handle->fd, F_SETFL, flags) == -1) {
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jbe@95
|
87 moonbr_io_errmsg();
|
jbe@96
|
88 close(handle->fd);
|
jbe@96
|
89 handle->fd = -1;
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jbe@96
|
90 handle->closed = 1;
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jbe@95
|
91 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@95
|
92 }
|
jbe@95
|
93 handle->nonblocking = nonblocking;
|
jbe@81
|
94 }
|
jbe@81
|
95
|
jbe@87
|
96 static void moonbr_io_handle_set_linger(lua_State *L, moonbr_io_handle_t *handle, int timeout) {
|
jbe@87
|
97 struct linger lingerval = { 0, };
|
jbe@107
|
98 if (!handle->issock) return;
|
jbe@87
|
99 if (timeout >= 0) {
|
jbe@87
|
100 lingerval.l_onoff = 1;
|
jbe@87
|
101 lingerval.l_linger = timeout;
|
jbe@87
|
102 }
|
jbe@87
|
103 if (setsockopt(handle->fd, SOL_SOCKET, SO_LINGER, &lingerval, sizeof(lingerval))) {
|
jbe@87
|
104 moonbr_io_errmsg();
|
jbe@96
|
105 close(handle->fd);
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jbe@96
|
106 handle->fd = -1;
|
jbe@96
|
107 handle->closed = 1;
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jbe@95
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108 luaL_error(L, "Unexpected error while setting SO_LINGER with setsockopt: %s", errmsg);
|
jbe@87
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109 }
|
jbe@87
|
110 }
|
jbe@87
|
111
|
jbe@133
|
112 static inline void moonbr_io_handle_set_nopush(lua_State *L, moonbr_io_handle_t *handle, int nopush) {
|
jbe@96
|
113 #if defined(TCP_NOPUSH) || defined(TCP_CORK)
|
jbe@107
|
114 if (
|
jbe@107
|
115 !(handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) ||
|
jbe@107
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116 handle->nopush == nopush
|
jbe@107
|
117 ) return;
|
jbe@96
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118 #if defined(TCP_NOPUSH)
|
jbe@96
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119 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_NOPUSH, &nopush, sizeof(nopush))) {
|
jbe@104
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120 #elif defined(TCP_CORK)
|
jbe@104
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121 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_CORK, &nopush, sizeof(nopush))) {
|
jbe@104
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122 #endif
|
jbe@96
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123 moonbr_io_errmsg();
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jbe@96
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124 close(handle->fd);
|
jbe@96
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125 handle->fd = -1;
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jbe@96
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126 handle->closed = 1;
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jbe@104
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127 #if defined(TCP_NOPUSH)
|
jbe@96
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128 luaL_error(L, "Unexpected error while setting TCP_NOPUSH with setsockopt: %s", errmsg);
|
jbe@96
|
129 #elif defined(TCP_CORK)
|
jbe@95
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130 luaL_error(L, "Unexpected error while setting TCP_CORK with setsockopt: %s", errmsg);
|
jbe@104
|
131 #endif
|
jbe@95
|
132 }
|
jbe@95
|
133 handle->nopush = nopush;
|
jbe@96
|
134 #else
|
jbe@96
|
135 #warning Neither TCP_NOPUSH nor TCP_CORK is available
|
jbe@96
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136 #endif
|
jbe@95
|
137 }
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jbe@95
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138
|
jbe@86
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139 static int moonbr_io_read_impl(lua_State *L, int nonblocking, int drain) {
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jbe@85
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140 moonbr_io_handle_t *handle;
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jbe@85
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141 lua_Integer maxread;
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jbe@85
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142 const char *terminatorstr;
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jbe@85
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143 size_t terminatorlen;
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jbe@85
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144 char terminator;
|
jbe@85
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145 luaL_Buffer luabuf;
|
jbe@85
|
146 size_t luabufcnt = 0;
|
jbe@105
|
147 int remaining;
|
jbe@85
|
148 char *terminatorpos;
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jbe@103
|
149 ssize_t bytesread;
|
jbe@85
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150 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@85
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151 maxread = luaL_optinteger(L, 2, 0);
|
jbe@85
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152 terminatorstr = luaL_optlstring(L, 3, "", &terminatorlen);
|
jbe@85
|
153 if (terminatorlen) {
|
jbe@85
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154 luaL_argcheck(L, terminatorlen == 1, 3, "single byte expected");
|
jbe@85
|
155 terminator = terminatorstr[0];
|
jbe@85
|
156 }
|
jbe@86
|
157 lua_settop(L, 1); /* return handle on drain, terminator string may be garbage collected */
|
jbe@94
|
158 if (handle->closed) luaL_error(L, "Attempt to read from a closed I/O handle");
|
jbe@85
|
159 if (handle->readerr) {
|
jbe@85
|
160 lua_pushnil(L);
|
jbe@85
|
161 lua_pushliteral(L, "Previous read error");
|
jbe@85
|
162 return 2;
|
jbe@85
|
163 }
|
jbe@105
|
164 handle->readerr = 1;
|
jbe@104
|
165 if (handle->fd < 0) goto moonbr_io_read_impl_eof; /* fake EOF to simulate shutdown */
|
jbe@85
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166 moonbr_io_handle_set_nonblocking(L, handle, nonblocking);
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jbe@86
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167 if (!drain) luaL_buffinit(L, &luabuf);
|
jbe@85
|
168 while (1) {
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jbe@105
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169 remaining = -1;
|
jbe@105
|
170 if (
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jbe@105
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171 maxread > 0 &&
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jbe@105
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172 handle->readbufin - handle->readbufout >= (size_t)maxread - luabufcnt
|
jbe@105
|
173 ) {
|
jbe@105
|
174 remaining = maxread - luabufcnt;
|
jbe@85
|
175 } else if (terminatorlen) {
|
jbe@105
|
176 terminatorpos = memchr(
|
jbe@105
|
177 handle->readbuf + handle->readbufout,
|
jbe@105
|
178 terminator,
|
jbe@105
|
179 handle->readbufin - handle->readbufout
|
jbe@105
|
180 );
|
jbe@105
|
181 if (terminatorpos) remaining = 1 + (
|
jbe@105
|
182 terminatorpos - (handle->readbuf + handle->readbufout)
|
jbe@105
|
183 );
|
jbe@85
|
184 }
|
jbe@105
|
185 if (remaining >= 0) {
|
jbe@86
|
186 if (!drain) {
|
jbe@105
|
187 luaL_addlstring(
|
jbe@105
|
188 &luabuf,
|
jbe@105
|
189 handle->readbuf + handle->readbufout,
|
jbe@105
|
190 remaining
|
jbe@105
|
191 );
|
jbe@86
|
192 luaL_pushresult(&luabuf);
|
jbe@90
|
193 } else {
|
jbe@105
|
194 luaL_pushresult(&luabuf);
|
jbe@105
|
195 lua_pop(L, 1);
|
jbe@105
|
196 lua_pushinteger(L, luabufcnt + remaining);
|
jbe@86
|
197 }
|
jbe@105
|
198 handle->readbufout += remaining;
|
jbe@105
|
199 if (handle->readbufout == handle->readbufin) {
|
jbe@105
|
200 handle->readbufin = 0;
|
jbe@105
|
201 handle->readbufout =0;
|
jbe@105
|
202 }
|
jbe@104
|
203 handle->readerr = 0;
|
jbe@85
|
204 return 1;
|
jbe@85
|
205 }
|
jbe@105
|
206 if (!drain) luaL_addlstring(
|
jbe@105
|
207 &luabuf,
|
jbe@105
|
208 handle->readbuf + handle->readbufout,
|
jbe@105
|
209 handle->readbufin - handle->readbufout
|
jbe@105
|
210 );
|
jbe@105
|
211 luabufcnt += handle->readbufin - handle->readbufout;
|
jbe@85
|
212 do {
|
jbe@103
|
213 bytesread = read(handle->fd, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@103
|
214 } while (bytesread < 0 && (errno == EINTR));
|
jbe@105
|
215 if (
|
jbe@105
|
216 bytesread == 0 || (
|
jbe@105
|
217 nonblocking &&
|
jbe@105
|
218 bytesread < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)
|
jbe@105
|
219 )
|
jbe@105
|
220 ) {
|
jbe@105
|
221 handle->readbufin = 0;
|
jbe@105
|
222 handle->readbufout = 0;
|
jbe@105
|
223 if (!drain) {
|
jbe@105
|
224 luaL_pushresult(&luabuf);
|
jbe@105
|
225 if (!luabufcnt && bytesread == 0) {
|
jbe@105
|
226 lua_pop(L, 1);
|
jbe@105
|
227 moonbr_io_read_impl_eof:
|
jbe@105
|
228 lua_pushboolean(L, 0);
|
jbe@105
|
229 lua_pushliteral(L, "End of file");
|
jbe@105
|
230 handle->readerr = 0;
|
jbe@105
|
231 return 2;
|
jbe@105
|
232 }
|
jbe@105
|
233 } else {
|
jbe@105
|
234 if (!luabufcnt && bytesread == 0) lua_pushboolean(L, 1);
|
jbe@105
|
235 else lua_pushboolean(L, luabufcnt);
|
jbe@105
|
236 }
|
jbe@105
|
237 handle->readerr = 0;
|
jbe@105
|
238 return 1;
|
jbe@105
|
239 }
|
jbe@103
|
240 if (bytesread < 0) {
|
jbe@85
|
241 moonbr_io_errmsg();
|
jbe@85
|
242 lua_pushnil(L);
|
jbe@85
|
243 lua_pushstring(L, errmsg);
|
jbe@85
|
244 return 2;
|
jbe@85
|
245 }
|
jbe@105
|
246 handle->readbufin = bytesread;
|
jbe@105
|
247 handle->readbufout = 0;
|
jbe@86
|
248 }
|
jbe@85
|
249 }
|
jbe@85
|
250
|
jbe@85
|
251 static int moonbr_io_read(lua_State *L) {
|
jbe@86
|
252 return moonbr_io_read_impl(L, 0, 0);
|
jbe@85
|
253 }
|
jbe@85
|
254
|
jbe@85
|
255 static int moonbr_io_read_nb(lua_State *L) {
|
jbe@86
|
256 return moonbr_io_read_impl(L, 1, 0);
|
jbe@86
|
257 }
|
jbe@86
|
258
|
jbe@86
|
259 static int moonbr_io_drain(lua_State *L) {
|
jbe@86
|
260 return moonbr_io_read_impl(L, 0, 1);
|
jbe@86
|
261 }
|
jbe@86
|
262
|
jbe@86
|
263 static int moonbr_io_drain_nb(lua_State *L) {
|
jbe@86
|
264 return moonbr_io_read_impl(L, 1, 1);
|
jbe@85
|
265 }
|
jbe@85
|
266
|
jbe@81
|
267 static int moonbr_io_write_impl(lua_State *L, int nonblocking, int flush) {
|
jbe@80
|
268 moonbr_io_handle_t *handle;
|
jbe@80
|
269 int i, top;
|
jbe@80
|
270 const char *str;
|
jbe@92
|
271 size_t strlen;
|
jbe@103
|
272 ssize_t written;
|
jbe@80
|
273 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
274 if (handle->closed) luaL_error(L, "Attempt to write to a closed I/O handle");
|
jbe@94
|
275 if (handle->finished) luaL_error(L, "Attempt to write to a finished I/O handle");
|
jbe@81
|
276 if (handle->writeerr) {
|
jbe@80
|
277 lua_pushnil(L);
|
jbe@80
|
278 lua_pushliteral(L, "Previous write error");
|
jbe@80
|
279 return 2;
|
jbe@80
|
280 }
|
jbe@103
|
281 handle->writeerr = 1;
|
jbe@81
|
282 moonbr_io_handle_set_nonblocking(L, handle, nonblocking);
|
jbe@84
|
283 top = lua_gettop(L);
|
jbe@81
|
284 lua_getuservalue(L, 1);
|
jbe@103
|
285 lua_getfield(L, -1, "writequeue");
|
jbe@84
|
286 for (i=2; i<=top; i++) {
|
jbe@84
|
287 luaL_checklstring(L, i, &strlen);
|
jbe@84
|
288 lua_pushvalue(L, i);
|
jbe@84
|
289 lua_rawseti(L, -2, handle->writeqin++);
|
jbe@84
|
290 handle->writeleft += strlen;
|
jbe@81
|
291 }
|
jbe@132
|
292 if (flush) handle->flushedleft = handle->writeleft;
|
jbe@83
|
293 while (handle->writeqout != handle->writeqin) {
|
jbe@83
|
294 lua_rawgeti(L, -1, handle->writeqout);
|
jbe@81
|
295 str = lua_tolstring(L, -1, &strlen);
|
jbe@92
|
296 while (handle->writeqoff < strlen) {
|
jbe@103
|
297 if (
|
jbe@132
|
298 strlen - handle->writeqoff <
|
jbe@103
|
299 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
300 ) {
|
jbe@103
|
301 memcpy(
|
jbe@103
|
302 handle->writebuf + handle->writebufin,
|
jbe@103
|
303 str + handle->writeqoff,
|
jbe@103
|
304 strlen - handle->writeqoff
|
jbe@103
|
305 );
|
jbe@103
|
306 handle->writebufin += strlen - handle->writeqoff;
|
jbe@80
|
307 break;
|
jbe@80
|
308 } else {
|
jbe@103
|
309 memcpy(
|
jbe@103
|
310 handle->writebuf + handle->writebufin,
|
jbe@103
|
311 str + handle->writeqoff,
|
jbe@103
|
312 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
313 );
|
jbe@103
|
314 handle->writeqoff += MOONBR_IO_WRITEBUFLEN - handle->writebufin;
|
jbe@103
|
315 while (handle->writebufout < MOONBR_IO_WRITEBUFLEN) {
|
jbe@133
|
316 moonbr_io_handle_set_nopush(L, handle, 1);
|
jbe@103
|
317 written = write(
|
jbe@103
|
318 handle->fd,
|
jbe@103
|
319 handle->writebuf + handle->writebufout,
|
jbe@103
|
320 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@103
|
321 );
|
jbe@103
|
322 if (written < 0) {
|
jbe@81
|
323 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@81
|
324 goto moonbr_io_write_impl_block;
|
jbe@81
|
325 } else if (errno != EINTR) {
|
jbe@80
|
326 moonbr_io_errmsg();
|
jbe@80
|
327 lua_pushnil(L);
|
jbe@80
|
328 lua_pushstring(L, errmsg);
|
jbe@80
|
329 return 2;
|
jbe@80
|
330 }
|
jbe@103
|
331 } else {
|
jbe@103
|
332 handle->writebufout += written;
|
jbe@103
|
333 handle->writeleft -= written;
|
jbe@133
|
334 if (handle->flushedleft) {
|
jbe@133
|
335 if (written >= handle->flushedleft) {
|
jbe@133
|
336 handle->flushedleft = 0;
|
jbe@133
|
337 moonbr_io_handle_set_nopush(L, handle, 0);
|
jbe@133
|
338 } else {
|
jbe@133
|
339 handle->flushedleft -= written;
|
jbe@133
|
340 }
|
jbe@133
|
341 }
|
jbe@80
|
342 }
|
jbe@80
|
343 }
|
jbe@103
|
344 handle->writebufin = 0;
|
jbe@103
|
345 handle->writebufout = 0;
|
jbe@80
|
346 }
|
jbe@80
|
347 }
|
jbe@81
|
348 handle->writeqoff = 0;
|
jbe@81
|
349 lua_pop(L, 1);
|
jbe@81
|
350 lua_pushnil(L);
|
jbe@83
|
351 lua_rawseti(L, -2, handle->writeqout++);
|
jbe@80
|
352 }
|
jbe@132
|
353 while (handle->flushedleft) {
|
jbe@133
|
354 moonbr_io_handle_set_nopush(L, handle, 1);
|
jbe@132
|
355 written = write(
|
jbe@132
|
356 handle->fd,
|
jbe@132
|
357 handle->writebuf + handle->writebufout,
|
jbe@132
|
358 handle->writebufin - handle->writebufout
|
jbe@132
|
359 );
|
jbe@132
|
360 if (written < 0) {
|
jbe@132
|
361 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@132
|
362 goto moonbr_io_write_impl_block;
|
jbe@132
|
363 } else if (errno != EINTR) {
|
jbe@132
|
364 moonbr_io_errmsg();
|
jbe@132
|
365 lua_pushnil(L);
|
jbe@132
|
366 lua_pushstring(L, errmsg);
|
jbe@132
|
367 return 2;
|
jbe@81
|
368 }
|
jbe@132
|
369 } else {
|
jbe@132
|
370 handle->writebufout += written;
|
jbe@132
|
371 handle->writeleft -= written;
|
jbe@133
|
372 if (handle->flushedleft) {
|
jbe@133
|
373 if (written >= handle->flushedleft) {
|
jbe@133
|
374 handle->flushedleft = 0;
|
jbe@133
|
375 moonbr_io_handle_set_nopush(L, handle, 0);
|
jbe@133
|
376 } else {
|
jbe@133
|
377 handle->flushedleft -= written;
|
jbe@133
|
378 }
|
jbe@133
|
379 }
|
jbe@81
|
380 }
|
jbe@132
|
381 }
|
jbe@132
|
382 if (handle->writebufout == handle->writebufin) {
|
jbe@103
|
383 handle->writebufin = 0;
|
jbe@103
|
384 handle->writebufout = 0;
|
jbe@81
|
385 }
|
jbe@103
|
386 if (nonblocking) lua_pushinteger(L, 0);
|
jbe@103
|
387 else lua_pushvalue(L, 1);
|
jbe@103
|
388 handle->writeerr = 0;
|
jbe@80
|
389 return 1;
|
jbe@81
|
390 moonbr_io_write_impl_block:
|
jbe@91
|
391 lua_pushinteger(L, handle->writeleft);
|
jbe@103
|
392 handle->writeerr = 0;
|
jbe@81
|
393 return 1;
|
jbe@81
|
394 }
|
jbe@81
|
395
|
jbe@81
|
396 static int moonbr_io_write(lua_State *L) {
|
jbe@81
|
397 return moonbr_io_write_impl(L, 0, 0);
|
jbe@81
|
398 }
|
jbe@81
|
399
|
jbe@81
|
400 static int moonbr_io_write_nb(lua_State *L) {
|
jbe@81
|
401 return moonbr_io_write_impl(L, 1, 0);
|
jbe@80
|
402 }
|
jbe@80
|
403
|
jbe@80
|
404 static int moonbr_io_flush(lua_State *L) {
|
jbe@81
|
405 return moonbr_io_write_impl(L, 0, 1);
|
jbe@81
|
406 }
|
jbe@81
|
407
|
jbe@81
|
408 static int moonbr_io_flush_nb(lua_State *L) {
|
jbe@81
|
409 return moonbr_io_write_impl(L, 1, 1);
|
jbe@80
|
410 }
|
jbe@80
|
411
|
jbe@88
|
412 static int moonbr_io_finish(lua_State *L) {
|
jbe@88
|
413 moonbr_io_handle_t *handle;
|
jbe@88
|
414 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
415 if (handle->closed) luaL_error(L, "Attempt to finish a closed I/O handle");
|
jbe@94
|
416 if (handle->finished) luaL_error(L, "Attempt to finish a finished I/O handle");
|
jbe@94
|
417 if (handle->writeleft) {
|
jbe@94
|
418 lua_pushcfunction(L, moonbr_io_flush);
|
jbe@94
|
419 lua_pushvalue(L, 1);
|
jbe@116
|
420 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@116
|
421 handle->finished = 1;
|
jbe@116
|
422 lua_error(L);
|
jbe@116
|
423 }
|
jbe@94
|
424 if (!lua_toboolean(L, -2)) {
|
jbe@94
|
425 handle->finished = 1;
|
jbe@94
|
426 return 2;
|
jbe@88
|
427 }
|
jbe@94
|
428 }
|
jbe@94
|
429 handle->finished = 1;
|
jbe@107
|
430 if (handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) {
|
jbe@88
|
431 if (shutdown(handle->fd, SHUT_WR)) {
|
jbe@88
|
432 moonbr_io_errmsg();
|
jbe@88
|
433 lua_pushnil(L);
|
jbe@88
|
434 lua_pushstring(L, errmsg);
|
jbe@88
|
435 return 2;
|
jbe@88
|
436 }
|
jbe@94
|
437 } else {
|
jbe@94
|
438 if (close(handle->fd)) {
|
jbe@94
|
439 moonbr_io_errmsg();
|
jbe@94
|
440 handle->fd = -1;
|
jbe@94
|
441 lua_pushnil(L);
|
jbe@94
|
442 lua_pushstring(L, errmsg);
|
jbe@94
|
443 return 2;
|
jbe@94
|
444 }
|
jbe@94
|
445 handle->fd = -1; /* fake EOF on read */
|
jbe@88
|
446 }
|
jbe@88
|
447 lua_pushboolean(L, 1);
|
jbe@88
|
448 return 1;
|
jbe@88
|
449 }
|
jbe@88
|
450
|
jbe@94
|
451 static int moonbr_io_close_impl(lua_State *L, int reset) {
|
jbe@83
|
452 moonbr_io_handle_t *handle;
|
jbe@83
|
453 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
454 if (handle->closed) luaL_error(L, "Attempt to close a closed I/O handle");
|
jbe@94
|
455 if (!reset) {
|
jbe@87
|
456 if (handle->writeleft) {
|
jbe@87
|
457 lua_pushcfunction(L, moonbr_io_flush);
|
jbe@87
|
458 lua_pushvalue(L, 1);
|
jbe@116
|
459 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@129
|
460 handle->closed = 1;
|
jbe@116
|
461 close(handle->fd);
|
jbe@116
|
462 handle->fd = -1;
|
jbe@116
|
463 lua_error(L);
|
jbe@116
|
464 }
|
jbe@129
|
465 handle->closed = 1;
|
jbe@87
|
466 if (!lua_toboolean(L, -2)) {
|
jbe@87
|
467 close(handle->fd);
|
jbe@87
|
468 handle->fd = -1;
|
jbe@87
|
469 return 2;
|
jbe@87
|
470 }
|
jbe@129
|
471 } else {
|
jbe@129
|
472 handle->closed = 1;
|
jbe@129
|
473 moonbr_io_handle_set_linger(L, handle, -1);
|
jbe@83
|
474 }
|
jbe@129
|
475 } else {
|
jbe@129
|
476 handle->closed = 1;
|
jbe@83
|
477 }
|
jbe@94
|
478 if (handle->fd >= 0) {
|
jbe@94
|
479 if (close(handle->fd)) {
|
jbe@94
|
480 moonbr_io_errmsg();
|
jbe@94
|
481 handle->fd = -1;
|
jbe@94
|
482 lua_pushnil(L);
|
jbe@94
|
483 lua_pushstring(L, errmsg);
|
jbe@94
|
484 return 2;
|
jbe@94
|
485 }
|
jbe@104
|
486 handle->fd = -1;
|
jbe@83
|
487 }
|
jbe@83
|
488 lua_pushboolean(L, 1);
|
jbe@83
|
489 return 1;
|
jbe@84
|
490
|
jbe@83
|
491 }
|
jbe@83
|
492
|
jbe@94
|
493 static int moonbr_io_close(lua_State *L) {
|
jbe@94
|
494 return moonbr_io_close_impl(L, 0);
|
jbe@94
|
495 }
|
jbe@94
|
496
|
jbe@84
|
497 static int moonbr_io_reset(lua_State *L) {
|
jbe@94
|
498 return moonbr_io_close_impl(L, 1);
|
jbe@84
|
499 }
|
jbe@84
|
500
|
jbe@108
|
501 static int moonbr_io_handlegc(lua_State *L) {
|
jbe@88
|
502 moonbr_io_handle_t *handle;
|
jbe@88
|
503 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@88
|
504 if (handle->fd >= 0) {
|
jbe@88
|
505 lua_pushcfunction(L, moonbr_io_close);
|
jbe@88
|
506 lua_pushvalue(L, 1);
|
jbe@88
|
507 lua_pushinteger(L, 0);
|
jbe@88
|
508 lua_call(L, 2, 0);
|
jbe@88
|
509 }
|
jbe@88
|
510 return 0;
|
jbe@88
|
511 }
|
jbe@88
|
512
|
jbe@100
|
513 void moonbr_io_closehandle(lua_State *L, int idx, int reset) {
|
jbe@88
|
514 moonbr_io_handle_t *handle;
|
jbe@88
|
515 handle = luaL_checkudata(L, idx, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@100
|
516 if (!handle->closed) {
|
jbe@100
|
517 lua_pushcfunction(L, reset ? moonbr_io_reset : moonbr_io_close);
|
jbe@100
|
518 lua_pushvalue(L, idx < 0 ? idx-1 : idx);
|
jbe@100
|
519 lua_call(L, 1, 0);
|
jbe@88
|
520 }
|
jbe@88
|
521 }
|
jbe@88
|
522
|
jbe@107
|
523 void moonbr_io_pushhandle(lua_State *L, int fd) {
|
jbe@79
|
524 moonbr_io_handle_t *handle;
|
jbe@107
|
525 struct sockaddr addr;
|
jbe@107
|
526 socklen_t addrlen;
|
jbe@79
|
527 handle = lua_newuserdata(L, sizeof(moonbr_io_handle_t));
|
jbe@79
|
528 handle->fd = fd;
|
jbe@107
|
529 addrlen = sizeof(addr);
|
jbe@107
|
530 if (getsockname(fd, &addr, &addrlen)) {
|
jbe@107
|
531 if (errno != ENOTSOCK) {
|
jbe@107
|
532 moonbr_io_errmsg();
|
jbe@107
|
533 luaL_error(L, "Unexpected error when examining socket: %s", errmsg);
|
jbe@107
|
534 }
|
jbe@107
|
535 handle->issock = 0;
|
jbe@107
|
536 } else {
|
jbe@107
|
537 handle->issock = 1;
|
jbe@107
|
538 handle->addrfam = addr.sa_family;
|
jbe@107
|
539 }
|
jbe@94
|
540 handle->finished = 0;
|
jbe@94
|
541 handle->closed = 0;
|
jbe@81
|
542 handle->nonblocking = -1;
|
jbe@95
|
543 handle->nopush = -1;
|
jbe@85
|
544 handle->readerr = 0;
|
jbe@105
|
545 handle->readbufin = 0;
|
jbe@105
|
546 handle->readbufout = 0;
|
jbe@81
|
547 handle->writeerr = 0;
|
jbe@81
|
548 handle->writeleft = 0;
|
jbe@132
|
549 handle->flushedleft = 0;
|
jbe@83
|
550 handle->writeqin = 0;
|
jbe@83
|
551 handle->writeqout = 0;
|
jbe@81
|
552 handle->writeqoff = 0;
|
jbe@103
|
553 handle->writebufin = 0;
|
jbe@103
|
554 handle->writebufout = 0;
|
jbe@87
|
555 moonbr_io_handle_set_linger(L, handle, 0);
|
jbe@79
|
556 luaL_getmetatable(L, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
557 lua_setmetatable(L, -2);
|
jbe@79
|
558 lua_newtable(L); // uservalue
|
jbe@81
|
559 lua_newtable(L);
|
jbe@103
|
560 lua_setfield(L, -2, "writequeue");
|
jbe@79
|
561 lua_newtable(L); // public
|
jbe@107
|
562 if (handle->addrfam == AF_INET6) {
|
jbe@107
|
563 struct sockaddr_in6 addr_in6;
|
jbe@107
|
564 char addrstrbuf[INET6_ADDRSTRLEN];
|
jbe@107
|
565 const char *addrstr;
|
jbe@107
|
566 addrlen = sizeof(addr_in6);
|
jbe@107
|
567 if (getsockname(fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@107
|
568 moonbr_io_errmsg();
|
jbe@107
|
569 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
570 }
|
jbe@107
|
571 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
572 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
573 }
|
jbe@107
|
574 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
575 if (!addrstr) {
|
jbe@107
|
576 moonbr_io_errmsg();
|
jbe@107
|
577 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
578 } else {
|
jbe@107
|
579 lua_pushstring(L, addrstr);
|
jbe@107
|
580 lua_setfield(L, -2, "local_ip6");
|
jbe@107
|
581 }
|
jbe@107
|
582 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
583 lua_setfield(L, -2, "local_tcpport");
|
jbe@107
|
584 if (getpeername(fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@107
|
585 moonbr_io_errmsg();
|
jbe@107
|
586 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
587 }
|
jbe@107
|
588 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
589 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
590 }
|
jbe@107
|
591 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
592 if (!addrstr) {
|
jbe@107
|
593 moonbr_io_errmsg();
|
jbe@107
|
594 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
595 } else {
|
jbe@107
|
596 lua_pushstring(L, addrstr);
|
jbe@107
|
597 lua_setfield(L, -2, "remote_ip6");
|
jbe@107
|
598 }
|
jbe@107
|
599 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
600 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
601 } else if (handle->addrfam == AF_INET) {
|
jbe@107
|
602 struct sockaddr_in addr_in;
|
jbe@107
|
603 char addrstrbuf[INET_ADDRSTRLEN];
|
jbe@107
|
604 const char *addrstr;
|
jbe@107
|
605 addrlen = sizeof(addr_in);
|
jbe@107
|
606 if (getsockname(fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@107
|
607 moonbr_io_errmsg();
|
jbe@107
|
608 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
609 }
|
jbe@107
|
610 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
611 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
612 }
|
jbe@107
|
613 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
614 if (!addrstr) {
|
jbe@107
|
615 moonbr_io_errmsg();
|
jbe@107
|
616 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
617 } else {
|
jbe@107
|
618 lua_pushstring(L, addrstr);
|
jbe@107
|
619 lua_setfield(L, -2, "local_ip4");
|
jbe@107
|
620 }
|
jbe@107
|
621 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
622 lua_setfield(L, -2, "local_tcpport");
|
jbe@107
|
623 if (getpeername(fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@107
|
624 moonbr_io_errmsg();
|
jbe@107
|
625 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
626 }
|
jbe@107
|
627 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
628 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
629 }
|
jbe@107
|
630 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
631 if (!addrstr) {
|
jbe@107
|
632 moonbr_io_errmsg();
|
jbe@107
|
633 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
634 } else {
|
jbe@107
|
635 lua_pushstring(L, addrstr);
|
jbe@107
|
636 lua_setfield(L, -2, "remote_ip4");
|
jbe@107
|
637 }
|
jbe@107
|
638 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
639 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
640 }
|
jbe@79
|
641 luaL_getmetatable(L, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
642 lua_setmetatable(L, -2);
|
jbe@79
|
643 lua_setfield(L, -2, "public");
|
jbe@79
|
644 lua_setuservalue(L, -2);
|
jbe@79
|
645 }
|
jbe@79
|
646
|
jbe@79
|
647 static int moonbr_io_handleindex(lua_State *L) {
|
jbe@80
|
648 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
649 lua_getuservalue(L, 1);
|
jbe@79
|
650 lua_getfield(L, -1, "public");
|
jbe@79
|
651 lua_pushvalue(L, 2);
|
jbe@79
|
652 lua_gettable(L, -2);
|
jbe@79
|
653 return 1;
|
jbe@79
|
654 }
|
jbe@79
|
655
|
jbe@79
|
656 static int moonbr_io_handlenewindex(lua_State *L) {
|
jbe@80
|
657 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
658 lua_getuservalue(L, 1);
|
jbe@79
|
659 lua_getfield(L, -1, "public");
|
jbe@79
|
660 lua_pushvalue(L, 2);
|
jbe@79
|
661 lua_pushvalue(L, 3);
|
jbe@79
|
662 lua_settable(L, -3);
|
jbe@79
|
663 return 0;
|
jbe@79
|
664 }
|
jbe@79
|
665
|
jbe@111
|
666 static int moonbr_io_localconnect_impl(lua_State *L, int nonblocking) {
|
jbe@111
|
667 const char *path;
|
jbe@111
|
668 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@111
|
669 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@111
|
670 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@111
|
671 ) - 1; /* one byte for termination */
|
jbe@111
|
672 int sock;
|
jbe@111
|
673 path = luaL_checkstring(L, 1);
|
jbe@111
|
674 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@111
|
675 strcpy(sockaddr.sun_path, path);
|
jbe@111
|
676 sock = socket(
|
jbe@111
|
677 PF_LOCAL,
|
jbe@111
|
678 SOCK_STREAM | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@111
|
679 0
|
jbe@111
|
680 );
|
jbe@111
|
681 if (sock < 0) {
|
jbe@111
|
682 moonbr_io_errmsg();
|
jbe@111
|
683 lua_pushnil(L);
|
jbe@111
|
684 lua_pushstring(L, errmsg);
|
jbe@111
|
685 return 2;
|
jbe@111
|
686 }
|
jbe@111
|
687 if (connect(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@111
|
688 if (!nonblocking && errno == EINTR) {
|
jbe@111
|
689 moonbr_io_errmsg();
|
jbe@111
|
690 close(sock);
|
jbe@111
|
691 lua_pushnil(L);
|
jbe@111
|
692 lua_pushstring(L, errmsg);
|
jbe@111
|
693 return 2;
|
jbe@111
|
694 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) {
|
jbe@111
|
695 moonbr_io_errmsg();
|
jbe@111
|
696 lua_pushnil(L);
|
jbe@111
|
697 lua_pushstring(L, errmsg);
|
jbe@111
|
698 return 2;
|
jbe@111
|
699 }
|
jbe@111
|
700 }
|
jbe@111
|
701 moonbr_io_pushhandle(L, sock);
|
jbe@111
|
702 return 1;
|
jbe@111
|
703 }
|
jbe@111
|
704
|
jbe@111
|
705 static int moonbr_io_localconnect(lua_State *L) {
|
jbe@111
|
706 return moonbr_io_localconnect_impl(L, 0);
|
jbe@111
|
707 }
|
jbe@111
|
708
|
jbe@111
|
709 static int moonbr_io_localconnect_nb(lua_State *L) {
|
jbe@111
|
710 return moonbr_io_localconnect_impl(L, 1);
|
jbe@111
|
711 }
|
jbe@111
|
712
|
jbe@99
|
713 static int moonbr_io_tcpconnect_impl(lua_State *L, int nonblocking) {
|
jbe@98
|
714 const char *host, *port;
|
jbe@98
|
715 struct addrinfo hints = { 0, };
|
jbe@98
|
716 struct addrinfo *res, *addrinfo;
|
jbe@98
|
717 int errcode;
|
jbe@98
|
718 int sock;
|
jbe@98
|
719 host = luaL_checkstring(L, 1);
|
jbe@98
|
720 port = luaL_checkstring(L, 2);
|
jbe@98
|
721 hints.ai_family = AF_UNSPEC;
|
jbe@98
|
722 hints.ai_socktype = SOCK_STREAM;
|
jbe@98
|
723 hints.ai_protocol = IPPROTO_TCP;
|
jbe@98
|
724 hints.ai_flags = AI_ADDRCONFIG;
|
jbe@98
|
725 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@98
|
726 if (errcode) {
|
jbe@102
|
727 freeaddrinfo(res);
|
jbe@98
|
728 if (errcode == EAI_SYSTEM) {
|
jbe@98
|
729 moonbr_io_errmsg();
|
jbe@98
|
730 lua_pushnil(L);
|
jbe@98
|
731 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@98
|
732 } else {
|
jbe@98
|
733 lua_pushnil(L);
|
jbe@98
|
734 lua_pushstring(L, gai_strerror(errcode));
|
jbe@98
|
735 }
|
jbe@98
|
736 return 2;
|
jbe@98
|
737 }
|
jbe@98
|
738 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
739 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
740 }
|
jbe@98
|
741 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
742 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
743 }
|
jbe@98
|
744 addrinfo = res;
|
jbe@98
|
745 moonbr_io_tcpconnect_found:
|
jbe@99
|
746 sock = socket(
|
jbe@134
|
747 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@99
|
748 addrinfo->ai_socktype | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@99
|
749 addrinfo->ai_protocol
|
jbe@99
|
750 );
|
jbe@98
|
751 if (sock < 0) {
|
jbe@98
|
752 moonbr_io_errmsg();
|
jbe@108
|
753 freeaddrinfo(res);
|
jbe@98
|
754 lua_pushnil(L);
|
jbe@98
|
755 lua_pushstring(L, errmsg);
|
jbe@108
|
756 return 2;
|
jbe@98
|
757 }
|
jbe@98
|
758 if (connect(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@108
|
759 freeaddrinfo(res);
|
jbe@99
|
760 if (!nonblocking && errno == EINTR) {
|
jbe@99
|
761 moonbr_io_errmsg();
|
jbe@99
|
762 close(sock);
|
jbe@99
|
763 lua_pushnil(L);
|
jbe@99
|
764 lua_pushstring(L, errmsg);
|
jbe@99
|
765 return 2;
|
jbe@99
|
766 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) {
|
jbe@99
|
767 moonbr_io_errmsg();
|
jbe@99
|
768 lua_pushnil(L);
|
jbe@99
|
769 lua_pushstring(L, errmsg);
|
jbe@99
|
770 return 2;
|
jbe@99
|
771 }
|
jbe@108
|
772 } else {
|
jbe@108
|
773 freeaddrinfo(res);
|
jbe@98
|
774 }
|
jbe@107
|
775 moonbr_io_pushhandle(L, sock);
|
jbe@98
|
776 return 1;
|
jbe@98
|
777 }
|
jbe@98
|
778
|
jbe@99
|
779 static int moonbr_io_tcpconnect(lua_State *L) {
|
jbe@99
|
780 return moonbr_io_tcpconnect_impl(L, 0);
|
jbe@99
|
781 }
|
jbe@99
|
782
|
jbe@99
|
783 static int moonbr_io_tcpconnect_nb(lua_State *L) {
|
jbe@99
|
784 return moonbr_io_tcpconnect_impl(L, 1);
|
jbe@99
|
785 }
|
jbe@99
|
786
|
jbe@112
|
787 static int moonbr_io_locallisten(lua_State *L) {
|
jbe@112
|
788 moonbr_io_listener_t *listener;
|
jbe@112
|
789 const char *path;
|
jbe@118
|
790 struct stat sb;
|
jbe@112
|
791 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@112
|
792 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@112
|
793 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@112
|
794 ) - 1; /* one byte for termination */
|
jbe@112
|
795 int sock;
|
jbe@112
|
796 path = luaL_checkstring(L, 1);
|
jbe@112
|
797 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@112
|
798 strcpy(sockaddr.sun_path, path);
|
jbe@118
|
799 if (stat(path, &sb) == 0) {
|
jbe@118
|
800 if (S_ISSOCK(sb.st_mode)) unlink(path);
|
jbe@118
|
801 }
|
jbe@112
|
802 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
803 listener->fd = -1;
|
jbe@112
|
804 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@112
|
805 sock = socket(
|
jbe@112
|
806 PF_LOCAL,
|
jbe@112
|
807 SOCK_STREAM | SOCK_CLOEXEC,
|
jbe@112
|
808 0
|
jbe@112
|
809 );
|
jbe@112
|
810 if (sock < 0) {
|
jbe@112
|
811 moonbr_io_errmsg();
|
jbe@112
|
812 lua_pushnil(L);
|
jbe@112
|
813 lua_pushstring(L, errmsg);
|
jbe@112
|
814 return 2;
|
jbe@112
|
815 }
|
jbe@112
|
816 if (bind(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@112
|
817 moonbr_io_errmsg();
|
jbe@112
|
818 close(sock);
|
jbe@112
|
819 lua_pushnil(L);
|
jbe@112
|
820 lua_pushstring(L, errmsg);
|
jbe@112
|
821 return 2;
|
jbe@112
|
822 }
|
jbe@112
|
823 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@112
|
824 moonbr_io_errmsg();
|
jbe@112
|
825 close(sock);
|
jbe@112
|
826 lua_pushnil(L);
|
jbe@112
|
827 lua_pushstring(L, errmsg);
|
jbe@112
|
828 return 2;
|
jbe@112
|
829 }
|
jbe@112
|
830 listener->fd = sock;
|
jbe@118
|
831 listener->addrfam = AF_LOCAL;
|
jbe@112
|
832 listener->nonblocking = -1;
|
jbe@112
|
833 return 1;
|
jbe@112
|
834 }
|
jbe@112
|
835
|
jbe@108
|
836 static int moonbr_io_tcplisten(lua_State *L) {
|
jbe@108
|
837 moonbr_io_listener_t *listener;
|
jbe@108
|
838 const char *host, *port;
|
jbe@108
|
839 struct addrinfo hints = { 0, };
|
jbe@108
|
840 struct addrinfo *res, *addrinfo;
|
jbe@108
|
841 int errcode;
|
jbe@108
|
842 int sock;
|
jbe@108
|
843 host = luaL_optstring(L, 1, NULL);
|
jbe@108
|
844 port = luaL_checkstring(L, 2);
|
jbe@108
|
845 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
846 listener->fd = -1;
|
jbe@108
|
847 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
848 hints.ai_family = AF_UNSPEC;
|
jbe@108
|
849 hints.ai_socktype = SOCK_STREAM;
|
jbe@108
|
850 hints.ai_protocol = IPPROTO_TCP;
|
jbe@108
|
851 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
|
jbe@108
|
852 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@108
|
853 if (errcode) {
|
jbe@108
|
854 freeaddrinfo(res);
|
jbe@108
|
855 if (errcode == EAI_SYSTEM) {
|
jbe@108
|
856 moonbr_io_errmsg();
|
jbe@108
|
857 lua_pushnil(L);
|
jbe@108
|
858 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@108
|
859 } else {
|
jbe@108
|
860 lua_pushnil(L);
|
jbe@108
|
861 lua_pushstring(L, gai_strerror(errcode));
|
jbe@108
|
862 }
|
jbe@108
|
863 return 2;
|
jbe@108
|
864 }
|
jbe@108
|
865 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
866 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
867 }
|
jbe@108
|
868 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
869 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
870 }
|
jbe@108
|
871 addrinfo = res;
|
jbe@108
|
872 moonbr_io_tcpconnect_found:
|
jbe@118
|
873 listener->addrfam = addrinfo->ai_family;
|
jbe@108
|
874 sock = socket(
|
jbe@134
|
875 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@108
|
876 addrinfo->ai_socktype | SOCK_CLOEXEC,
|
jbe@108
|
877 addrinfo->ai_protocol
|
jbe@108
|
878 );
|
jbe@108
|
879 if (sock < 0) {
|
jbe@108
|
880 moonbr_io_errmsg();
|
jbe@108
|
881 freeaddrinfo(res);
|
jbe@108
|
882 lua_pushnil(L);
|
jbe@108
|
883 lua_pushstring(L, errmsg);
|
jbe@108
|
884 return 2;
|
jbe@108
|
885 }
|
jbe@120
|
886 {
|
jbe@120
|
887 static const int reuseval = 1;
|
jbe@120
|
888 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuseval, sizeof(reuseval))) {
|
jbe@120
|
889 moonbr_io_errmsg();
|
jbe@120
|
890 freeaddrinfo(res);
|
jbe@120
|
891 close(sock);
|
jbe@120
|
892 lua_pushnil(L);
|
jbe@120
|
893 lua_pushfstring(L, "Error while setting SO_REUSEADDR with setsockopt: %s", errmsg);
|
jbe@120
|
894 return 2;
|
jbe@120
|
895 }
|
jbe@120
|
896 }
|
jbe@108
|
897 if (bind(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@108
|
898 moonbr_io_errmsg();
|
jbe@108
|
899 freeaddrinfo(res);
|
jbe@108
|
900 close(sock);
|
jbe@108
|
901 lua_pushnil(L);
|
jbe@108
|
902 lua_pushstring(L, errmsg);
|
jbe@108
|
903 return 2;
|
jbe@108
|
904 }
|
jbe@108
|
905 freeaddrinfo(res);
|
jbe@108
|
906 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@108
|
907 moonbr_io_errmsg();
|
jbe@108
|
908 close(sock);
|
jbe@108
|
909 lua_pushnil(L);
|
jbe@108
|
910 lua_pushstring(L, errmsg);
|
jbe@108
|
911 return 2;
|
jbe@108
|
912 }
|
jbe@108
|
913 listener->fd = sock;
|
jbe@108
|
914 listener->nonblocking = -1;
|
jbe@108
|
915 return 1;
|
jbe@108
|
916 }
|
jbe@108
|
917
|
jbe@108
|
918 static int moonbr_io_accept_impl(lua_State *L, int nonblocking) {
|
jbe@108
|
919 moonbr_io_listener_t *listener;
|
jbe@108
|
920 int fd;
|
jbe@108
|
921 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
922 if (listener->fd < 0) luaL_error(L, "Attempt to use a closed listener");
|
jbe@108
|
923 if (listener->nonblocking != nonblocking) {
|
jbe@108
|
924 int flags;
|
jbe@108
|
925 flags = fcntl(listener->fd, F_GETFL, 0);
|
jbe@108
|
926 if (flags == -1) {
|
jbe@108
|
927 moonbr_io_errmsg();
|
jbe@108
|
928 close(listener->fd);
|
jbe@108
|
929 listener->fd = -1;
|
jbe@108
|
930 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
931 }
|
jbe@108
|
932 if (nonblocking) flags |= O_NONBLOCK;
|
jbe@108
|
933 else flags &= ~O_NONBLOCK;
|
jbe@108
|
934 if (fcntl(listener->fd, F_SETFL, flags) == -1) {
|
jbe@108
|
935 moonbr_io_errmsg();
|
jbe@108
|
936 close(listener->fd);
|
jbe@108
|
937 listener->fd = -1;
|
jbe@108
|
938 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
939 }
|
jbe@108
|
940 listener->nonblocking = nonblocking;
|
jbe@108
|
941 }
|
jbe@108
|
942 while (1) {
|
jbe@108
|
943 fd = accept4(listener->fd, NULL, NULL, SOCK_CLOEXEC);
|
jbe@108
|
944 if (fd < 0) {
|
jbe@108
|
945 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@108
|
946 lua_pushboolean(L, 0);
|
jbe@108
|
947 lua_pushliteral(L, "No incoming connection pending");
|
jbe@108
|
948 return 2;
|
jbe@108
|
949 } else if (errno != EINTR) {
|
jbe@108
|
950 moonbr_io_errmsg();
|
jbe@108
|
951 lua_pushnil(L);
|
jbe@108
|
952 lua_pushstring(L, errmsg);
|
jbe@108
|
953 return 2;
|
jbe@108
|
954 }
|
jbe@108
|
955 } else {
|
jbe@108
|
956 moonbr_io_pushhandle(L, fd);
|
jbe@108
|
957 return 1;
|
jbe@108
|
958 }
|
jbe@108
|
959 }
|
jbe@108
|
960 }
|
jbe@108
|
961
|
jbe@108
|
962 static int moonbr_io_accept(lua_State *L) {
|
jbe@108
|
963 return moonbr_io_accept_impl(L, 0);
|
jbe@108
|
964 }
|
jbe@108
|
965
|
jbe@108
|
966 static int moonbr_io_accept_nb(lua_State *L) {
|
jbe@108
|
967 return moonbr_io_accept_impl(L, 1);
|
jbe@108
|
968 }
|
jbe@108
|
969
|
jbe@108
|
970 static int moonbr_io_unlisten(lua_State *L) {
|
jbe@108
|
971 moonbr_io_listener_t *listener;
|
jbe@118
|
972 struct sockaddr_un addr;
|
jbe@118
|
973 socklen_t addrlen;
|
jbe@118
|
974 struct stat sb;
|
jbe@108
|
975 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
976 if (listener->fd < 0) luaL_error(L, "Attempt to close a closed listener");
|
jbe@118
|
977 addrlen = sizeof(addr);
|
jbe@118
|
978 if (getsockname(listener->fd, (struct sockaddr *)&addr, &addrlen)) addrlen = 0;
|
jbe@108
|
979 if (close(listener->fd)) {
|
jbe@108
|
980 moonbr_io_errmsg();
|
jbe@108
|
981 listener->fd = -1;
|
jbe@118
|
982 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
983 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
984 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
985 }
|
jbe@118
|
986 }
|
jbe@108
|
987 lua_pushnil(L);
|
jbe@108
|
988 lua_pushstring(L, errmsg);
|
jbe@108
|
989 return 2;
|
jbe@108
|
990 }
|
jbe@108
|
991 listener->fd = -1;
|
jbe@118
|
992 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
993 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
994 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
995 }
|
jbe@118
|
996 }
|
jbe@108
|
997 lua_pushboolean(L, 1);
|
jbe@108
|
998 return 1;
|
jbe@108
|
999 }
|
jbe@108
|
1000
|
jbe@108
|
1001 static int moonbr_io_listenergc(lua_State *L) {
|
jbe@108
|
1002 moonbr_io_listener_t *listener;
|
jbe@108
|
1003 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@117
|
1004 if (listener->fd >= 0) close(listener->fd);
|
jbe@108
|
1005 listener->fd = -1;
|
jbe@108
|
1006 return 0;
|
jbe@108
|
1007 }
|
jbe@108
|
1008
|
jbe@106
|
1009 static int moonbr_io_poll(lua_State *L) {
|
jbe@106
|
1010 moonbr_io_handle_t *handle;
|
jbe@108
|
1011 moonbr_io_listener_t *listener;
|
jbe@106
|
1012 int fd, isnum;
|
jbe@106
|
1013 int nfds = 0;
|
jbe@106
|
1014 fd_set readfds, writefds, exceptfds;
|
jbe@106
|
1015 struct timeval timeout = {0, };
|
jbe@106
|
1016 int status;
|
jbe@106
|
1017 FD_ZERO(&readfds);
|
jbe@106
|
1018 FD_ZERO(&writefds);
|
jbe@106
|
1019 FD_ZERO(&exceptfds);
|
jbe@106
|
1020 if (!lua_isnoneornil(L, 1)) {
|
jbe@106
|
1021 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@106
|
1022 for (lua_pushnil(L); lua_next(L, 1); lua_pop(L, 1)) {
|
jbe@106
|
1023 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1024 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1025 if (handle) {
|
jbe@109
|
1026 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@106
|
1027 fd = handle->fd;
|
jbe@122
|
1028 if (
|
jbe@122
|
1029 fd < 0 || /* fake EOF to simulate shutdown if fd < 0 */
|
jbe@122
|
1030 handle->readbufin != handle->readbufout /* data pending in buffer */
|
jbe@122
|
1031 ) {
|
jbe@109
|
1032 lua_pushboolean(L, 1);
|
jbe@109
|
1033 return 1;
|
jbe@109
|
1034 }
|
jbe@106
|
1035 } else {
|
jbe@108
|
1036 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1037 if (listener) {
|
jbe@108
|
1038 fd = listener->fd;
|
jbe@108
|
1039 if (fd < 0) luaL_error(L, "Attempt to poll a closed listener");
|
jbe@108
|
1040 } else {
|
jbe@108
|
1041 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@108
|
1042 if (!isnum) luaL_error(L, "Expected integer (file descriptor), I/O handle, or listener in table key");
|
jbe@108
|
1043 }
|
jbe@106
|
1044 }
|
jbe@106
|
1045 FD_SET(fd, &readfds);
|
jbe@106
|
1046 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1047 }
|
jbe@106
|
1048 }
|
jbe@106
|
1049 }
|
jbe@106
|
1050 if (!lua_isnoneornil(L, 2)) {
|
jbe@106
|
1051 luaL_checktype(L, 2, LUA_TTABLE);
|
jbe@106
|
1052 for (lua_pushnil(L); lua_next(L, 2); lua_pop(L, 1)) {
|
jbe@106
|
1053 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1054 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1055 if (handle) {
|
jbe@109
|
1056 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@109
|
1057 if (handle->finished) luaL_error(L, "Attempt to write-poll a finished connection");
|
jbe@106
|
1058 fd = handle->fd;
|
jbe@106
|
1059 } else {
|
jbe@108
|
1060 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@109
|
1061 if (listener) luaL_error(L, "Attempt to write-poll a listener");
|
jbe@109
|
1062 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@109
|
1063 if (!isnum) luaL_error(L, "Expected integer (file descriptor) or I/O handle in table key");
|
jbe@106
|
1064 }
|
jbe@106
|
1065 FD_SET(fd, &writefds);
|
jbe@106
|
1066 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1067 }
|
jbe@106
|
1068 }
|
jbe@106
|
1069 }
|
jbe@106
|
1070 if (!lua_isnoneornil(L, 3)) {
|
jbe@106
|
1071 lua_Number n;
|
jbe@106
|
1072 n = lua_tonumberx(L, 3, &isnum);
|
jbe@106
|
1073 if (isnum && n>=0 && n<100000000) {
|
jbe@106
|
1074 timeout.tv_sec = n;
|
jbe@106
|
1075 timeout.tv_usec = 1e6 * (n - timeout.tv_sec);
|
jbe@106
|
1076 } else {
|
jbe@106
|
1077 luaL_argcheck(L, 0, 3, "not a valid timeout");
|
jbe@106
|
1078 }
|
jbe@106
|
1079 status = select(nfds, &readfds, &writefds, &exceptfds, &timeout);
|
jbe@106
|
1080 } else {
|
jbe@106
|
1081 status = select(nfds, &readfds, &writefds, &exceptfds, NULL);
|
jbe@106
|
1082 }
|
jbe@106
|
1083 if (status == -1) {
|
jbe@106
|
1084 if (errno == EINTR) {
|
jbe@106
|
1085 lua_pushboolean(L, 0);
|
jbe@106
|
1086 lua_pushliteral(L, "Signal received while polling file descriptors");
|
jbe@106
|
1087 return 2;
|
jbe@106
|
1088 } else {
|
jbe@106
|
1089 moonbr_io_errmsg();
|
jbe@106
|
1090 return luaL_error(L, "Unexpected error during \"select\" system call: %s", errmsg);
|
jbe@106
|
1091 }
|
jbe@106
|
1092 } else if (status == 0) {
|
jbe@106
|
1093 lua_pushboolean(L, 0);
|
jbe@106
|
1094 lua_pushliteral(L, "Timeout while polling file descriptors");
|
jbe@106
|
1095 return 2;
|
jbe@106
|
1096 } else {
|
jbe@106
|
1097 lua_pushboolean(L, 1);
|
jbe@106
|
1098 return 1;
|
jbe@106
|
1099 }
|
jbe@106
|
1100 }
|
jbe@106
|
1101
|
jbe@115
|
1102 static int moonbr_io_timeref(lua_State *L) {
|
jbe@115
|
1103 lua_Number sub;
|
jbe@115
|
1104 struct timespec tp;
|
jbe@115
|
1105 sub = luaL_optnumber(L, 1, 0);
|
jbe@115
|
1106 if (clock_gettime(CLOCK_MONOTONIC, &tp)) {
|
jbe@115
|
1107 return luaL_error(L, "Could not access CLOCK_MONOTONIC");
|
jbe@115
|
1108 }
|
jbe@115
|
1109 lua_pushnumber(L, tp.tv_sec + tp.tv_nsec / 1.0e9 - sub);
|
jbe@115
|
1110 return 1;
|
jbe@115
|
1111 }
|
jbe@115
|
1112
|
jbe@79
|
1113 static const struct luaL_Reg moonbr_io_handle_methods[] = {
|
jbe@85
|
1114 {"read", moonbr_io_read},
|
jbe@85
|
1115 {"read_nb", moonbr_io_read_nb},
|
jbe@86
|
1116 {"drain", moonbr_io_drain},
|
jbe@86
|
1117 {"drain_nb", moonbr_io_drain_nb},
|
jbe@80
|
1118 {"write", moonbr_io_write},
|
jbe@81
|
1119 {"write_nb", moonbr_io_write_nb},
|
jbe@80
|
1120 {"flush", moonbr_io_flush},
|
jbe@81
|
1121 {"flush_nb", moonbr_io_flush_nb},
|
jbe@88
|
1122 {"finish", moonbr_io_finish},
|
jbe@87
|
1123 {"close", moonbr_io_close},
|
jbe@85
|
1124 {"reset", moonbr_io_reset},
|
jbe@79
|
1125 {NULL, NULL}
|
jbe@79
|
1126 };
|
jbe@79
|
1127
|
jbe@79
|
1128 static const struct luaL_Reg moonbr_io_handle_metamethods[] = {
|
jbe@79
|
1129 {"__index", moonbr_io_handleindex},
|
jbe@79
|
1130 {"__newindex", moonbr_io_handlenewindex},
|
jbe@108
|
1131 {"__gc", moonbr_io_handlegc},
|
jbe@108
|
1132 {NULL, NULL}
|
jbe@108
|
1133 };
|
jbe@108
|
1134
|
jbe@108
|
1135 static const struct luaL_Reg moonbr_io_listener_methods[] = {
|
jbe@108
|
1136 {"accept", moonbr_io_accept},
|
jbe@108
|
1137 {"accept_nb", moonbr_io_accept_nb},
|
jbe@108
|
1138 {"close", moonbr_io_unlisten},
|
jbe@108
|
1139 {NULL, NULL}
|
jbe@108
|
1140 };
|
jbe@108
|
1141
|
jbe@108
|
1142 static const struct luaL_Reg moonbr_io_listener_metamethods[] = {
|
jbe@108
|
1143 {"__gc", moonbr_io_listenergc},
|
jbe@79
|
1144 {NULL, NULL}
|
jbe@79
|
1145 };
|
jbe@79
|
1146
|
jbe@79
|
1147 static const struct luaL_Reg moonbr_io_module_funcs[] = {
|
jbe@111
|
1148 {"localconnect", moonbr_io_localconnect},
|
jbe@111
|
1149 {"localconnect_nb", moonbr_io_localconnect_nb},
|
jbe@98
|
1150 {"tcpconnect", moonbr_io_tcpconnect},
|
jbe@99
|
1151 {"tcpconnect_nb", moonbr_io_tcpconnect_nb},
|
jbe@112
|
1152 {"locallisten", moonbr_io_locallisten},
|
jbe@108
|
1153 {"tcplisten", moonbr_io_tcplisten},
|
jbe@106
|
1154 {"poll", moonbr_io_poll},
|
jbe@115
|
1155 {"timeref", moonbr_io_timeref},
|
jbe@79
|
1156 {NULL, NULL}
|
jbe@79
|
1157 };
|
jbe@79
|
1158
|
jbe@79
|
1159 int luaopen_moonbridge_io(lua_State *L) {
|
jbe@79
|
1160
|
jbe@113
|
1161 signal(SIGPIPE, SIG_IGN); /* generate I/O errors instead of signal 13 */
|
jbe@113
|
1162
|
jbe@80
|
1163 lua_newtable(L); // module
|
jbe@80
|
1164
|
jbe@79
|
1165 lua_newtable(L); // public metatable
|
jbe@79
|
1166 lua_newtable(L); // handle methods
|
jbe@79
|
1167 luaL_setfuncs(L, moonbr_io_handle_methods, 0);
|
jbe@80
|
1168 lua_pushvalue(L, -1);
|
jbe@108
|
1169 lua_setfield(L, -4, "prototype_handle");
|
jbe@79
|
1170 lua_setfield(L, -2, "__index");
|
jbe@79
|
1171 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
1172
|
jbe@79
|
1173 lua_newtable(L); // handle metatable
|
jbe@79
|
1174 luaL_setfuncs(L, moonbr_io_handle_metamethods, 0);
|
jbe@79
|
1175 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
1176
|
jbe@108
|
1177 lua_newtable(L); // listener metatable
|
jbe@108
|
1178 luaL_setfuncs(L, moonbr_io_listener_metamethods, 0);
|
jbe@108
|
1179 lua_newtable(L); // listener methods
|
jbe@108
|
1180 luaL_setfuncs(L, moonbr_io_listener_methods, 0);
|
jbe@108
|
1181 lua_pushvalue(L, -1);
|
jbe@108
|
1182 lua_setfield(L, -4, "prototype_listener");
|
jbe@108
|
1183 lua_setfield(L, -2, "__index");
|
jbe@108
|
1184 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1185
|
jbe@79
|
1186 luaL_setfuncs(L, moonbr_io_module_funcs, 0);
|
jbe@79
|
1187 return 1;
|
jbe@79
|
1188
|
jbe@79
|
1189 }
|
jbe@79
|
1190
|