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annotate server_socket.cpp @ 43:cdfbd4b71027

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Added listen() method to ServerSocket().
author Atul Varma <varmaa@toolness.com>
date Wed, 24 Jun 2009 14:12:59 -0700
parents 68d2a675a33a
children 1fd58132b533
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f86740dc5fa0 Added an almost-completely-unimplemented TCP server socket object that uses NSPR.
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1 /* ***** BEGIN LICENSE BLOCK *****
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2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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3 *
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4 * The contents of this file are subject to the Mozilla Public License Version
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5 * 1.1 (the "License"); you may not use this file except in compliance with
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6 * the License. You may obtain a copy of the License at
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7 * http://www.mozilla.org/MPL/
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8 *
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9 * Software distributed under the License is distributed on an "AS IS" basis,
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10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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11 * for the specific language governing rights and limitations under the
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12 * License.
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13 *
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14 * The Original Code is Ubiquity.
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15 *
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16 * The Initial Developer of the Original Code is Mozilla.
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17 * Portions created by the Initial Developer are Copyright (C) 2007
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18 * the Initial Developer. All Rights Reserved.
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19 *
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20 * Contributor(s):
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21 * Atul Varma <atul@mozilla.com>
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22 *
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23 * Alternatively, the contents of this file may be used under the terms of
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24 * either the GNU General Public License Version 2 or later (the "GPL"), or
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25 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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26 * in which case the provisions of the GPL or the LGPL are applicable instead
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27 * of those above. If you wish to allow use of your version of this file only
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28 * under the terms of either the GPL or the LGPL, and not to allow others to
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29 * use your version of this file under the terms of the MPL, indicate your
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30 * decision by deleting the provisions above and replace them with the notice
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31 * and other provisions required by the GPL or the LGPL. If you do not delete
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32 * the provisions above, a recipient may use your version of this file under
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33 * the terms of any one of the MPL, the GPL or the LGPL.
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34 *
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35 * ***** END LICENSE BLOCK ***** */
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36
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37 #include "server_socket.h"
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38
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39 #include "nspr.h"
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40
42
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41 static JSBool getSocket(JSContext *cx, JSObject *obj, PRFileDesc **fd)
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42 {
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43 *fd = (PRFileDesc *) JS_GetInstancePrivate(
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44 cx,
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45 obj,
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46 &sServerSocket_JSClass.base,
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47 NULL
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48 );
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49 if (*fd == NULL) {
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50 JS_ReportError(cx, "ServerSocket method called on "
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51 "non-ServerSocket object.");
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52 return JS_FALSE;
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53 }
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54 return JS_TRUE;
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55 }
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56
40
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57 static void finalize(JSContext *cx, JSObject *obj)
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58 {
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59 PRFileDesc *fd = (PRFileDesc *) JS_GetPrivate(cx, obj);
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60 // Just in case, ensure we don't have a dangling pointer.
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61 JS_SetPrivate(cx, obj, NULL);
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62 PR_Close(fd);
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63 }
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64
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65 JSExtendedClass sServerSocket_JSClass = {
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66 // JSClass (JSExtendedClass.base) initialization
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67 { "FlexibleWrapper",
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68 JSCLASS_IS_EXTENDED | JSCLASS_HAS_PRIVATE |
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69 JSCLASS_HAS_RESERVED_SLOTS(0),
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70 JS_PropertyStub, JS_PropertyStub,
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71 JS_PropertyStub, JS_PropertyStub,
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72 JS_EnumerateStub, JS_ResolveStub,
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73 JS_ConvertStub, finalize,
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74 NULL, NULL,
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75 NULL, NULL,
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76 NULL, NULL,
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77 NULL, NULL
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78 },
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79 // JSExtendedClass initialization
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80 NULL, // equality
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81 NULL, // outerObject
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82 NULL, // innerObject
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83 NULL, // iterator
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84 NULL, // wrapper
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85 JSCLASS_NO_RESERVED_MEMBERS
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86 };
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87
43
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88 JSBool listen(JSContext *cx, JSObject *obj, uintN argc,
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89 jsval *argv, jsval *rval)
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90 {
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91 PRInt32 backlog;
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92
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93 if (!JS_ConvertArguments(cx, argc, argv, "i", &backlog))
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94 return JS_FALSE;
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95
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96 PRFileDesc *fd;
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97 if (!getSocket(cx, obj, &fd))
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98 return JS_FALSE;
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99
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100 PRStatus result = PR_Listen(fd, backlog);
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101
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102 if (result != PR_SUCCESS) {
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103 JS_ReportError(cx, "Listen failed.");
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104 return JS_FALSE;
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105 }
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106
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107 *rval = JSVAL_VOID;
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108 return JS_TRUE;
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109 }
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110
42
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111 JSBool bind(JSContext *cx, JSObject *obj, uintN argc,
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112 jsval *argv, jsval *rval)
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113 {
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114 const char *addrStr;
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115 PRUint16 port;
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116
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117 if (!JS_ConvertArguments(cx, argc, argv, "sc", &addrStr, &port))
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118 return JS_FALSE;
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119
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120 PRNetAddr addr;
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121 PRStatus result = PR_StringToNetAddr(addrStr, &addr);
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122
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123 if (result != PR_SUCCESS) {
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124 JS_ReportError(cx, "Invalid address.");
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125 return JS_FALSE;
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126 }
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127
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128 PRFileDesc *fd;
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129 if (!getSocket(cx, obj, &fd))
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130 return JS_FALSE;
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131
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132 addr.inet.port = port;
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133 result = PR_Bind(fd, &addr);
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134
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135 if (result != PR_SUCCESS) {
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136 JS_ReportError(cx, "Bind failed.");
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137 return JS_FALSE;
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138 }
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139
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140 *rval = JSVAL_VOID;
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141 return JS_TRUE;
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142 }
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143
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144 static JSFunctionSpec methods[] = {
43
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145 JS_FS("bind", bind, 2, 0, 0),
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146 JS_FS("listen", listen, 1, 0, 0),
42
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147 JS_FS_END
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148 };
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149
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150 JSBool createServerSocket(JSContext *cx, JSObject *obj, uintN argc,
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151 jsval *argv, jsval *rval)
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152 {
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153 JSObject *object = JS_NewObject(
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154 cx,
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155 &sServerSocket_JSClass.base,
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156 NULL,
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157 JS_GetScopeChain(cx)
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158 );
42
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159
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160 if (!JS_DefineFunctions(cx, object, methods))
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161 return JS_FALSE;
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162
40
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163 PRFileDesc *fd = PR_OpenTCPSocket(PR_AF_INET);
42
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164 if (fd == NULL) {
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165 JS_ReportError(cx, "Creation of TCP socket failed.");
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166 return JS_FALSE;
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167 }
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168
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169 if (!JS_SetPrivate(cx, object, fd)) {
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170 PR_Close(fd);
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171 return JS_FALSE;
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172 }
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173
40
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174 *rval = OBJECT_TO_JSVAL(object);
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175 return JS_TRUE;
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176 }