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annotate src/tcp.c @ 0:4b915342e2a8

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LuaSocket 2.0.2 + CMake build description.
author Eric Wing <ewing . public |-at-| gmail . com>
date Tue, 26 Aug 2008 18:40:01 -0700
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4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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1 /*=========================================================================*\
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2 * TCP object
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3 * LuaSocket toolkit
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4 *
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5 * RCS ID: $Id: tcp.c,v 1.41 2005/10/07 04:40:59 diego Exp $
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6 \*=========================================================================*/
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7 #include <string.h>
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8
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9 #include "lua.h"
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10 #include "lauxlib.h"
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11
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12 #include "auxiliar.h"
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13 #include "socket.h"
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14 #include "inet.h"
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15 #include "options.h"
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16 #include "tcp.h"
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17
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18 /*=========================================================================*\
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19 * Internal function prototypes
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20 \*=========================================================================*/
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21 static int global_create(lua_State *L);
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22 static int meth_connect(lua_State *L);
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23 static int meth_listen(lua_State *L);
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24 static int meth_bind(lua_State *L);
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25 static int meth_send(lua_State *L);
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26 static int meth_getstats(lua_State *L);
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27 static int meth_setstats(lua_State *L);
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28 static int meth_getsockname(lua_State *L);
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29 static int meth_getpeername(lua_State *L);
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30 static int meth_shutdown(lua_State *L);
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31 static int meth_receive(lua_State *L);
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32 static int meth_accept(lua_State *L);
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33 static int meth_close(lua_State *L);
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34 static int meth_setoption(lua_State *L);
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35 static int meth_settimeout(lua_State *L);
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36 static int meth_getfd(lua_State *L);
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37 static int meth_setfd(lua_State *L);
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38 static int meth_dirty(lua_State *L);
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39
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40 /* tcp object methods */
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41 static luaL_reg tcp[] = {
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42 {"__gc", meth_close},
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43 {"__tostring", auxiliar_tostring},
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44 {"accept", meth_accept},
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45 {"bind", meth_bind},
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46 {"close", meth_close},
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47 {"connect", meth_connect},
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48 {"dirty", meth_dirty},
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49 {"getfd", meth_getfd},
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50 {"getpeername", meth_getpeername},
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51 {"getsockname", meth_getsockname},
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52 {"getstats", meth_getstats},
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53 {"setstats", meth_setstats},
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54 {"listen", meth_listen},
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55 {"receive", meth_receive},
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56 {"send", meth_send},
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57 {"setfd", meth_setfd},
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58 {"setoption", meth_setoption},
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59 {"setpeername", meth_connect},
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60 {"setsockname", meth_bind},
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61 {"settimeout", meth_settimeout},
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62 {"shutdown", meth_shutdown},
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63 {NULL, NULL}
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64 };
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65
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66 /* socket option handlers */
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67 static t_opt opt[] = {
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68 {"keepalive", opt_keepalive},
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69 {"reuseaddr", opt_reuseaddr},
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70 {"tcp-nodelay", opt_tcp_nodelay},
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71 {"linger", opt_linger},
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72 {NULL, NULL}
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73 };
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74
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75 /* functions in library namespace */
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76 static luaL_reg func[] = {
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77 {"tcp", global_create},
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78 {NULL, NULL}
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79 };
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80
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81 /*-------------------------------------------------------------------------*\
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82 * Initializes module
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83 \*-------------------------------------------------------------------------*/
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84 int tcp_open(lua_State *L)
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85 {
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86 /* create classes */
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87 auxiliar_newclass(L, "tcp{master}", tcp);
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88 auxiliar_newclass(L, "tcp{client}", tcp);
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89 auxiliar_newclass(L, "tcp{server}", tcp);
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90 /* create class groups */
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91 auxiliar_add2group(L, "tcp{master}", "tcp{any}");
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92 auxiliar_add2group(L, "tcp{client}", "tcp{any}");
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93 auxiliar_add2group(L, "tcp{server}", "tcp{any}");
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94 /* define library functions */
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95 luaL_openlib(L, NULL, func, 0);
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96 return 0;
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97 }
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98
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99 /*=========================================================================*\
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100 * Lua methods
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101 \*=========================================================================*/
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102 /*-------------------------------------------------------------------------*\
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103 * Just call buffered IO methods
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104 \*-------------------------------------------------------------------------*/
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105 static int meth_send(lua_State *L) {
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106 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{client}", 1);
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107 return buffer_meth_send(L, &tcp->buf);
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108 }
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109
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110 static int meth_receive(lua_State *L) {
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111 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{client}", 1);
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112 return buffer_meth_receive(L, &tcp->buf);
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113 }
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114
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115 static int meth_getstats(lua_State *L) {
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116 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{client}", 1);
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117 return buffer_meth_getstats(L, &tcp->buf);
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118 }
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119
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120 static int meth_setstats(lua_State *L) {
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121 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{client}", 1);
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122 return buffer_meth_setstats(L, &tcp->buf);
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123 }
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124
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125 /*-------------------------------------------------------------------------*\
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126 * Just call option handler
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127 \*-------------------------------------------------------------------------*/
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Eric Wing <ewing . public |-at-| gmail . com>
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128 static int meth_setoption(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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129 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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130 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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131 return opt_meth_setoption(L, opt, &tcp->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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132 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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133
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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134 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
135 * Select support methods
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
136 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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diff changeset
137 static int meth_getfd(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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138 {
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Eric Wing <ewing . public |-at-| gmail . com>
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139 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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140 lua_pushnumber(L, (int) tcp->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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141 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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142 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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143
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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144 /* this is very dangerous, but can be handy for those that are brave enough */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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145 static int meth_setfd(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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146 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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147 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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148 tcp->sock = (t_socket) luaL_checknumber(L, 2);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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149 return 0;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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150 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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diff changeset
151
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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152 static int meth_dirty(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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153 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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154 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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155 lua_pushboolean(L, !buffer_isempty(&tcp->buf));
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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156 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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157 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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158
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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159 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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160 * Waits for and returns a client object attempting connection to the
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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161 * server object
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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162 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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163 static int meth_accept(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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164 {
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165 p_tcp server = (p_tcp) auxiliar_checkclass(L, "tcp{server}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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166 p_timeout tm = timeout_markstart(&server->tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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167 t_socket sock;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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168 int err = socket_accept(&server->sock, &sock, NULL, NULL, tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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169 /* if successful, push client socket */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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170 if (err == IO_DONE) {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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171 p_tcp clnt = (p_tcp) lua_newuserdata(L, sizeof(t_tcp));
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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172 auxiliar_setclass(L, "tcp{client}", -1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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173 /* initialize structure fields */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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174 socket_setnonblocking(&sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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175 clnt->sock = sock;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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176 io_init(&clnt->io, (p_send) socket_send, (p_recv) socket_recv,
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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177 (p_error) socket_ioerror, &clnt->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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178 timeout_init(&clnt->tm, -1, -1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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179 buffer_init(&clnt->buf, &clnt->io, &clnt->tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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180 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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181 } else {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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182 lua_pushnil(L);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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diff changeset
183 lua_pushstring(L, socket_strerror(err));
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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184 return 2;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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185 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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186 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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187
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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188 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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diff changeset
189 * Binds an object to an address
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
190 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
191 static int meth_bind(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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diff changeset
192 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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193 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{master}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
194 const char *address = luaL_checkstring(L, 2);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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195 unsigned short port = (unsigned short) luaL_checknumber(L, 3);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
196 const char *err = inet_trybind(&tcp->sock, address, port);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
197 if (err) {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
198 lua_pushnil(L);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
199 lua_pushstring(L, err);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
200 return 2;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
201 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
202 lua_pushnumber(L, 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
203 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
204 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
205
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
206 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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diff changeset
207 * Turns a master tcp object into a client object.
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
208 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
209 static int meth_connect(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
210 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
211 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
212 const char *address = luaL_checkstring(L, 2);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
213 unsigned short port = (unsigned short) luaL_checknumber(L, 3);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
214 p_timeout tm = timeout_markstart(&tcp->tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
215 const char *err = inet_tryconnect(&tcp->sock, address, port, tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
216 /* have to set the class even if it failed due to non-blocking connects */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
217 auxiliar_setclass(L, "tcp{client}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
218 if (err) {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
219 lua_pushnil(L);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
220 lua_pushstring(L, err);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
221 return 2;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
222 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
223 /* turn master object into a client object */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
224 lua_pushnumber(L, 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
225 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
226 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
227
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
228 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
229 * Closes socket used by object
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
230 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
231 static int meth_close(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
232 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
233 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
234 socket_destroy(&tcp->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
235 lua_pushnumber(L, 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
236 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
237 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
238
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
239 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
240 * Puts the sockt in listen mode
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
241 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
242 static int meth_listen(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
243 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
244 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{master}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
245 int backlog = (int) luaL_optnumber(L, 2, 32);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
246 int err = socket_listen(&tcp->sock, backlog);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
247 if (err != IO_DONE) {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
248 lua_pushnil(L);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
249 lua_pushstring(L, socket_strerror(err));
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
250 return 2;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
251 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
252 /* turn master object into a server object */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
253 auxiliar_setclass(L, "tcp{server}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
254 lua_pushnumber(L, 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
255 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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256 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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257
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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258 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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259 * Shuts the connection down partially
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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260 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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261 static int meth_shutdown(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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262 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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263 p_tcp tcp = (p_tcp) auxiliar_checkclass(L, "tcp{client}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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264 const char *how = luaL_optstring(L, 2, "both");
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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265 switch (how[0]) {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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266 case 'b':
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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267 if (strcmp(how, "both")) goto error;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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268 socket_shutdown(&tcp->sock, 2);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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269 break;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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270 case 's':
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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271 if (strcmp(how, "send")) goto error;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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272 socket_shutdown(&tcp->sock, 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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273 break;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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274 case 'r':
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
275 if (strcmp(how, "receive")) goto error;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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276 socket_shutdown(&tcp->sock, 0);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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277 break;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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278 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
279 lua_pushnumber(L, 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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280 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
281 error:
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
282 luaL_argerror(L, 2, "invalid shutdown method");
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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283 return 0;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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284 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
285
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
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286 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
287 * Just call inet methods
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
288 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
289 static int meth_getpeername(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
290 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
291 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
292 return inet_meth_getpeername(L, &tcp->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
293 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
294
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
295 static int meth_getsockname(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
296 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
297 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
298 return inet_meth_getsockname(L, &tcp->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
299 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
300
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
301 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
302 * Just call tm methods
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
303 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
304 static int meth_settimeout(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
305 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
306 p_tcp tcp = (p_tcp) auxiliar_checkgroup(L, "tcp{any}", 1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
307 return timeout_meth_settimeout(L, &tcp->tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
308 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
309
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
310 /*=========================================================================*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
311 * Library functions
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
312 \*=========================================================================*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
313 /*-------------------------------------------------------------------------*\
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
314 * Creates a master tcp object
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
315 \*-------------------------------------------------------------------------*/
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
316 static int global_create(lua_State *L)
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
317 {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
318 t_socket sock;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
319 const char *err = inet_trycreate(&sock, SOCK_STREAM);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
320 /* try to allocate a system socket */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
321 if (!err) {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
322 /* allocate tcp object */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
323 p_tcp tcp = (p_tcp) lua_newuserdata(L, sizeof(t_tcp));
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
324 /* set its type as master object */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
325 auxiliar_setclass(L, "tcp{master}", -1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
326 /* initialize remaining structure fields */
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
327 socket_setnonblocking(&sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
328 tcp->sock = sock;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
329 io_init(&tcp->io, (p_send) socket_send, (p_recv) socket_recv,
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
330 (p_error) socket_ioerror, &tcp->sock);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
331 timeout_init(&tcp->tm, -1, -1);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
332 buffer_init(&tcp->buf, &tcp->io, &tcp->tm);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
333 return 1;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
334 } else {
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
335 lua_pushnil(L);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
336 lua_pushstring(L, err);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
337 return 2;
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
338 }
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
339 }