1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 | /* ***** BEGIN LICENSE BLOCK *****
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3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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4 | *
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5 | * The contents of this file are subject to the Mozilla Public License Version
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6 | * 1.1 (the "License"); you may not use this file except in compliance with
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7 | * the License. You may obtain a copy of the License at
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8 | * http://www.mozilla.org/MPL/
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9 | *
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10 | * Software distributed under the License is distributed on an "AS IS" basis,
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11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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12 | * for the specific language governing rights and limitations under the
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13 | * License.
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14 | *
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15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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16 | *
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17 | * The Initial Developer of the Original Code is
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18 | * Netscape Communications Corporation.
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19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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20 | * the Initial Developer. All Rights Reserved.
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21 | *
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22 | * Contributor(s):
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23 | *
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24 | * Alternatively, the contents of this file may be used under the terms of
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25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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28 | * of those above. If you wish to allow use of your version of this file only
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29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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30 | * use your version of this file under the terms of the MPL, indicate your
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31 | * decision by deleting the provisions above and replace them with the notice
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32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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33 | * the provisions above, a recipient may use your version of this file under
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34 | * the terms of any one of the MPL, the GPL or the LGPL.
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35 | *
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36 | * ***** END LICENSE BLOCK ***** */
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37 |
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38 | /*******************************************************************
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39 | ** udpsrc.c -- Test basic function of UDP server
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40 | **
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41 | ** udpsrv operates on the same machine with program udpclt.
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42 | ** udpsrv is the server side of a udp sockets application.
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43 | ** udpclt is the client side of a udp sockets application.
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44 | **
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45 | ** The test is designed to assist developers in porting/debugging
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46 | ** the UDP socket functions of NSPR.
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47 | **
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48 | ** This test is not a stress test.
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49 | **
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50 | ** main() starts two threads: UDP_Server() and UDP_Client();
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51 | ** main() uses PR_JoinThread() to wait for the threads to complete.
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52 | **
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53 | ** UDP_Server() does repeated recvfrom()s from a socket.
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54 | ** He detects an EOF condition set by UDP_Client(). For each
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55 | ** packet received by UDP_Server(), he checks its content for
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56 | ** expected content, then sends the packet back to UDP_Client().
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57 | **
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58 | ** UDP_Client() sends packets to UDP_Server() using sendto()
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59 | ** he recieves packets back from the server via recvfrom().
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60 | ** After he sends enough packets containing UDP_AMOUNT_TO_WRITE
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61 | ** bytes of data, he sends an EOF message.
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62 | **
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63 | ** The test issues a pass/fail message at end.
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64 | **
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65 | ** Notes:
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66 | ** The variable "_debug_on" can be set to 1 to cause diagnostic
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67 | ** messages related to client/server synchronization. Useful when
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68 | ** the test hangs.
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69 | **
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70 | ** Error messages are written to stdout.
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71 | **
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72 | ********************************************************************
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73 | */
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74 | /* --- include files --- */
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75 | #include "nspr.h"
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76 | #include "prpriv.h"
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77 |
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78 | #include "plgetopt.h"
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79 | #include "prttools.h"
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80 |
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81 | #include <stdio.h>
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82 | #include <stdlib.h>
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83 | #include <string.h>
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84 | #include <errno.h>
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85 |
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86 | #ifdef XP_PC
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87 | #define mode_t int
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88 | #endif
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89 |
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90 | #define UDP_BUF_SIZE 4096
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91 | #define UDP_DGRAM_SIZE 128
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92 | #define UDP_AMOUNT_TO_WRITE (PRInt32)((UDP_DGRAM_SIZE * 1000l) +1)
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93 | #define NUM_UDP_CLIENTS 1
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94 | #define NUM_UDP_DATAGRAMS_PER_CLIENT 5
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95 | #define UDP_SERVER_PORT 9050
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96 | #define UDP_CLIENT_PORT 9053
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97 | #define MY_INADDR PR_INADDR_ANY
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98 | #define PEER_INADDR PR_INADDR_LOOPBACK
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99 |
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100 | #define UDP_TIMEOUT 400000
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101 | /* #define UDP_TIMEOUT PR_INTERVAL_NO_TIMEOUT */
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102 |
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103 | /* --- static data --- */
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104 | static PRIntn _debug_on = 0;
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105 | static PRBool passed = PR_TRUE;
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106 | static PRUint32 cltBytesRead = 0;
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107 | static PRUint32 srvBytesRead = 0;
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108 | static PRFileDesc *output = NULL;
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109 |
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110 | /* --- static function declarations --- */
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111 | #define DPRINTF(arg) if (_debug_on) PR_fprintf(output, arg)
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112 |
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113 |
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114 |
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115 | /*******************************************************************
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116 | ** ListNetAddr() -- Display the Net Address on stdout
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117 | **
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118 | ** Description: displays the component parts of a PRNetAddr struct
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119 | **
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120 | ** Arguments: address of PRNetAddr structure to display
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121 | **
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122 | ** Returns: void
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123 | **
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124 | ** Notes:
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125 | **
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126 | ********************************************************************
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127 | */
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128 | void ListNetAddr( char *msg, PRNetAddr *na )
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129 | {
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130 | char mbuf[256];
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131 |
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132 | sprintf( mbuf, "ListNetAddr: %s family: %d, port: %d, ip: %8.8X\n",
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133 | msg, na->inet.family, PR_ntohs( na->inet.port), PR_ntohl(na->inet.ip) );
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134 | #if 0
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135 | DPRINTF( mbuf );
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136 | #endif
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137 | } /* --- end ListNetAddr() --- */
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138 |
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139 | /********************************************************************
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140 | ** UDP_Server() -- Test a UDP server application
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141 | **
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142 | ** Description: The Server side of a UDP Client/Server application.
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143 | **
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144 | ** Arguments: none
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145 | **
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146 | ** Returns: void
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147 | **
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148 | ** Notes:
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149 | **
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150 | **
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151 | ********************************************************************
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152 | */
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153 | static void PR_CALLBACK UDP_Server( void *arg )
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154 | {
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155 | static char svrBuf[UDP_BUF_SIZE];
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156 | PRFileDesc *svrSock;
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157 | PRInt32 rv;
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158 | PRNetAddr netaddr;
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159 | PRBool bound = PR_FALSE;
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160 | PRBool endOfInput = PR_FALSE;
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161 | PRInt32 numBytes = UDP_DGRAM_SIZE;
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162 |
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163 | DPRINTF("udpsrv: UDP_Server(): starting\n" );
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164 |
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165 | /* --- Create the socket --- */
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166 | DPRINTF("udpsrv: UDP_Server(): Creating UDP Socket\n" );
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167 | svrSock = PR_NewUDPSocket();
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168 | if ( svrSock == NULL )
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169 | {
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170 | passed = PR_FALSE;
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171 | if (debug_mode)
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172 | PR_fprintf(output,
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173 | "udpsrv: UDP_Server(): PR_NewUDPSocket() returned NULL\n" );
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174 | return;
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175 | }
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176 |
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177 | /* --- Initialize the sockaddr_in structure --- */
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178 | memset( &netaddr, 0, sizeof( netaddr ));
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179 | netaddr.inet.family = PR_AF_INET;
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180 | netaddr.inet.port = PR_htons( UDP_SERVER_PORT );
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181 | netaddr.inet.ip = PR_htonl( MY_INADDR );
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182 |
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183 | /* --- Bind the socket --- */
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184 | while ( !bound )
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185 | {
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186 | DPRINTF("udpsrv: UDP_Server(): Binding socket\n" );
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187 | rv = PR_Bind( svrSock, &netaddr );
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188 | if ( rv < 0 )
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189 | {
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190 | if ( PR_GetError() == PR_ADDRESS_IN_USE_ERROR )
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191 | {
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192 | if (debug_mode) PR_fprintf(output, "udpsrv: UDP_Server(): \
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193 | PR_Bind(): reports: PR_ADDRESS_IN_USE_ERROR\n");
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194 | PR_Sleep( PR_MillisecondsToInterval( 2000 ));
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195 | continue;
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196 | }
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197 | else
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198 | {
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199 | passed = PR_FALSE;
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200 | if (debug_mode) PR_fprintf(output, "udpsrv: UDP_Server(): \
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201 | PR_Bind(): failed: %ld with error: %ld\n",
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202 | rv, PR_GetError() );
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203 | PR_Close( svrSock );
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204 | return;
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205 | }
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206 | }
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207 | else
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208 | bound = PR_TRUE;
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209 | }
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210 | ListNetAddr( "UDP_Server: after bind", &netaddr );
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211 |
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212 | /* --- Recv the socket --- */
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213 | while( !endOfInput )
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214 | {
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215 | DPRINTF("udpsrv: UDP_Server(): RecvFrom() socket\n" );
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216 | rv = PR_RecvFrom( svrSock, svrBuf, numBytes, 0, &netaddr, UDP_TIMEOUT );
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217 | if ( rv == -1 )
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218 | {
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219 | passed = PR_FALSE;
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220 | if (debug_mode)
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221 | PR_fprintf(output,
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222 | "udpsrv: UDP_Server(): PR_RecvFrom(): failed with error: %ld\n",
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223 | PR_GetError() );
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224 | PR_Close( svrSock );
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225 | return;
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226 | }
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227 | ListNetAddr( "UDP_Server after RecvFrom", &netaddr );
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228 |
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229 | srvBytesRead += rv;
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230 |
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231 | if ( svrBuf[0] == 'E' )
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232 | {
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233 | DPRINTF("udpsrv: UDP_Server(): EOF on input detected\n" );
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234 | endOfInput = PR_TRUE;
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235 | }
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236 |
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237 | /* --- Send the socket --- */
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238 | DPRINTF("udpsrv: UDP_Server(): SendTo(): socket\n" );
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239 | rv = PR_SendTo( svrSock, svrBuf, rv, 0, &netaddr, PR_INTERVAL_NO_TIMEOUT );
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240 | if ( rv == -1 )
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241 | {
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242 | passed = PR_FALSE;
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243 | if (debug_mode)
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244 | PR_fprintf(output,
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245 | "udpsrv: UDP_Server(): PR_SendTo(): failed with error: %ld\n",
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246 | PR_GetError() );
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247 | PR_Close( svrSock );
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248 | return;
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249 | }
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250 | ListNetAddr( "UDP_Server after SendTo", &netaddr );
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251 | }
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252 |
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253 | /* --- Close the socket --- */
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254 | DPRINTF("udpsrv: UDP_Server(): Closing socket\n" );
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255 | rv = PR_Close( svrSock );
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256 | if ( rv != PR_SUCCESS )
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257 | {
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258 | passed = PR_FALSE;
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259 | if (debug_mode)
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260 | PR_fprintf(output,
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261 | "udpsrv: UDP_Server(): PR_Close(): failed to close socket\n" );
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262 | return;
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263 | }
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264 |
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265 | DPRINTF("udpsrv: UDP_Server(): Normal end\n" );
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266 | } /* --- end UDP_Server() --- */
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267 |
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268 |
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269 | static char cltBuf[UDP_BUF_SIZE];
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270 | static char cltBufin[UDP_BUF_SIZE];
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271 | /********************************************************************
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272 | ** UDP_Client() -- Test a UDP client application
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273 | **
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274 | ** Description:
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275 | **
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276 | ** Arguments:
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277 | **
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278 | **
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279 | ** Returns:
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280 | ** 0 -- Successful execution
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281 | ** 1 -- Test failed.
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282 | **
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283 | ** Notes:
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284 | **
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285 | **
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286 | ********************************************************************
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287 | */
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288 | static void PR_CALLBACK UDP_Client( void *arg )
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289 | {
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290 | PRFileDesc *cltSock;
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291 | PRInt32 rv;
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292 | PRBool bound = PR_FALSE;
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293 | PRNetAddr netaddr;
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294 | PRNetAddr netaddrx;
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295 | PRBool endOfInput = PR_FALSE;
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296 | PRInt32 numBytes = UDP_DGRAM_SIZE;
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297 | PRInt32 writeThisMany = UDP_AMOUNT_TO_WRITE;
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298 | int i;
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299 |
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300 |
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301 | DPRINTF("udpsrv: UDP_Client(): starting\n" );
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302 |
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303 | /* --- Create the socket --- */
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304 | cltSock = PR_NewUDPSocket();
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305 | if ( cltSock == NULL )
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306 | {
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307 | passed = PR_FALSE;
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308 | if (debug_mode)
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309 | PR_fprintf(output,
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310 | "udpsrv: UDP_Client(): PR_NewUDPSocket() returned NULL\n" );
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311 | return;
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312 | }
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313 |
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314 | /* --- Initialize the sockaddr_in structure --- */
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315 | memset( &netaddr, 0, sizeof( netaddr ));
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316 | netaddr.inet.family = PR_AF_INET;
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317 | netaddr.inet.ip = PR_htonl( MY_INADDR );
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318 | netaddr.inet.port = PR_htons( UDP_CLIENT_PORT );
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319 |
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320 | /* --- Initialize the write buffer --- */
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321 | for ( i = 0; i < UDP_BUF_SIZE ; i++ )
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322 | cltBuf[i] = i;
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323 |
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324 | /* --- Bind the socket --- */
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325 | while ( !bound )
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326 | {
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327 | DPRINTF("udpsrv: UDP_Client(): Binding socket\n" );
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328 | rv = PR_Bind( cltSock, &netaddr );
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329 | if ( rv < 0 )
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330 | {
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331 | if ( PR_GetError() == PR_ADDRESS_IN_USE_ERROR )
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332 | {
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333 | if (debug_mode)
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334 | PR_fprintf(output,
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335 | "udpsrv: UDP_Client(): PR_Bind(): reports: PR_ADDRESS_IN_USE_ERROR\n");
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336 | PR_Sleep( PR_MillisecondsToInterval( 2000 ));
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337 | continue;
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338 | }
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339 | else
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340 | {
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341 | passed = PR_FALSE;
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342 | if (debug_mode)
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343 | PR_fprintf(output,
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344 | "udpsrv: UDP_Client(): PR_Bind(): failed: %ld with error: %ld\n",
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345 | rv, PR_GetError() );
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346 | PR_Close( cltSock );
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347 | return;
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348 | }
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349 | }
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350 | else
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351 | bound = PR_TRUE;
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352 | }
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353 | ListNetAddr( "UDP_Client after Bind", &netaddr );
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354 |
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355 | /* --- Initialize the sockaddr_in structure --- */
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356 | memset( &netaddr, 0, sizeof( netaddr ));
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357 | netaddr.inet.family = PR_AF_INET;
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358 | netaddr.inet.ip = PR_htonl( PEER_INADDR );
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359 | netaddr.inet.port = PR_htons( UDP_SERVER_PORT );
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360 |
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361 | /* --- send and receive packets until no more data left */
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362 | while( !endOfInput )
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363 | {
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364 | /*
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365 | ** Signal EOF in the data stream on the last packet
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366 | */
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367 | if ( writeThisMany <= UDP_DGRAM_SIZE )
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368 | {
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369 | DPRINTF("udpsrv: UDP_Client(): Send EOF packet\n" );
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370 | cltBuf[0] = 'E';
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371 | endOfInput = PR_TRUE;
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372 | }
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373 |
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374 | /* --- SendTo the socket --- */
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375 | if ( writeThisMany > UDP_DGRAM_SIZE )
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376 | numBytes = UDP_DGRAM_SIZE;
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377 | else
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378 | numBytes = writeThisMany;
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379 | writeThisMany -= numBytes;
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380 | {
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381 | char mbuf[256];
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382 | sprintf( mbuf, "udpsrv: UDP_Client(): write_this_many: %d, numbytes: %d\n",
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383 | writeThisMany, numBytes );
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384 | DPRINTF( mbuf );
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385 | }
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386 |
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387 | DPRINTF("udpsrv: UDP_Client(): SendTo(): socket\n" );
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388 | rv = PR_SendTo( cltSock, cltBuf, numBytes, 0, &netaddr, UDP_TIMEOUT );
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389 | if ( rv == -1 )
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390 | {
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391 | passed = PR_FALSE;
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392 | if (debug_mode)
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393 | PR_fprintf(output,
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394 | "udpsrv: UDP_Client(): PR_SendTo(): failed with error: %ld\n",
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395 | PR_GetError() );
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396 | PR_Close( cltSock );
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397 | return;
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398 | }
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399 | ListNetAddr( "UDP_Client after SendTo", &netaddr );
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400 |
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401 | /* --- RecvFrom the socket --- */
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402 | memset( cltBufin, 0, UDP_BUF_SIZE );
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403 | DPRINTF("udpsrv: UDP_Client(): RecvFrom(): socket\n" );
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404 | rv = PR_RecvFrom( cltSock, cltBufin, numBytes, 0, &netaddrx, UDP_TIMEOUT );
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405 | if ( rv == -1 )
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406 | {
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407 | passed = PR_FALSE;
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408 | if (debug_mode) PR_fprintf(output,
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409 | "udpsrv: UDP_Client(): PR_RecvFrom(): failed with error: %ld\n",
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410 | PR_GetError() );
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411 | PR_Close( cltSock );
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412 | return;
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413 | }
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414 | ListNetAddr( "UDP_Client after RecvFrom()", &netaddr );
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415 | cltBytesRead += rv;
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416 |
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417 | /* --- verify buffer --- */
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418 | for ( i = 0; i < rv ; i++ )
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419 | {
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420 | if ( cltBufin[i] != i )
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421 | {
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422 | /* --- special case, end of input --- */
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423 | if ( endOfInput && i == 0 && cltBufin[0] == 'E' )
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424 | continue;
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425 | passed = PR_FALSE;
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426 | if (debug_mode) PR_fprintf(output,
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427 | "udpsrv: UDP_Client(): return data mismatch\n" );
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428 | PR_Close( cltSock );
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429 | return;
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430 | }
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431 | }
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432 | if (debug_mode) PR_fprintf(output, ".");
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433 | }
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434 |
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435 | /* --- Close the socket --- */
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436 | DPRINTF("udpsrv: UDP_Server(): Closing socket\n" );
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437 | rv = PR_Close( cltSock );
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438 | if ( rv != PR_SUCCESS )
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439 | {
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440 | passed = PR_FALSE;
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441 | if (debug_mode) PR_fprintf(output,
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442 | "udpsrv: UDP_Client(): PR_Close(): failed to close socket\n" );
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443 | return;
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444 | }
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445 | DPRINTF("udpsrv: UDP_Client(): ending\n" );
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446 | } /* --- end UDP_Client() --- */
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447 |
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448 | /********************************************************************
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449 | ** main() -- udpsrv
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450 | **
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451 | ** arguments:
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452 | **
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453 | ** Returns:
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454 | ** 0 -- Successful execution
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455 | ** 1 -- Test failed.
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456 | **
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457 | ** Description:
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458 | **
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459 | ** Standard test case setup.
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460 | **
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461 | ** Calls the function UDP_Server()
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462 | **
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463 | ********************************************************************
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464 | */
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465 |
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466 | int main(int argc, char **argv)
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467 | {
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468 | PRThread *srv, *clt;
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469 | /* The command line argument: -d is used to determine if the test is being run
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470 | in debug mode. The regress tool requires only one line output:PASS or FAIL.
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471 | All of the printfs associated with this test has been handled with a if (debug_mode)
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472 | test.
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473 | Usage: test_name -d -v
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474 | */
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475 | PLOptStatus os;
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476 | PLOptState *opt = PL_CreateOptState(argc, argv, "dv");
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477 | while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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478 | {
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479 | if (PL_OPT_BAD == os) continue;
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480 | switch (opt->option)
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481 | {
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482 | case 'd': /* debug mode */
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483 | debug_mode = 1;
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484 | break;
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485 | case 'v': /* verbose mode */
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486 | _debug_on = 1;
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487 | break;
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488 | default:
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489 | break;
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490 | }
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491 | }
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492 | PL_DestroyOptState(opt);
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493 |
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494 | PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
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495 | PR_STDIO_INIT();
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496 | output = PR_STDERR;
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497 |
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498 | #ifdef XP_MAC
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499 | SetupMacPrintfLog("udpsrv.log");
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500 | #endif
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501 |
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502 | PR_SetConcurrency(4);
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503 |
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504 | /*
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505 | ** Create the Server thread
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506 | */
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507 | DPRINTF( "udpsrv: Creating Server Thread\n" );
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508 | srv = PR_CreateThread( PR_USER_THREAD,
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509 | UDP_Server,
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510 | (void *) 0,
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511 | PR_PRIORITY_LOW,
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512 | PR_LOCAL_THREAD,
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513 | PR_JOINABLE_THREAD,
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514 | 0 );
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515 | if ( srv == NULL )
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516 | {
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517 | if (debug_mode) PR_fprintf(output, "udpsrv: Cannot create server thread\n" );
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518 | passed = PR_FALSE;
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519 | }
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520 |
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521 | /*
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522 | ** Give the Server time to Start
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523 | */
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524 | DPRINTF( "udpsrv: Pausing to allow Server to start\n" );
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525 | PR_Sleep( PR_MillisecondsToInterval(200) );
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526 |
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527 | /*
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528 | ** Create the Client thread
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529 | */
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530 | DPRINTF( "udpsrv: Creating Client Thread\n" );
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531 | clt = PR_CreateThread( PR_USER_THREAD,
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532 | UDP_Client,
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533 | (void *) 0,
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534 | PR_PRIORITY_LOW,
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535 | PR_LOCAL_THREAD,
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536 | PR_JOINABLE_THREAD,
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537 | 0 );
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538 | if ( clt == NULL )
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539 | {
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540 | if (debug_mode) PR_fprintf(output, "udpsrv: Cannot create server thread\n" );
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541 | passed = PR_FALSE;
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542 | }
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543 |
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544 | /*
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545 | **
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546 | */
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547 | DPRINTF("udpsrv: Waiting to join Server & Client Threads\n" );
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548 | PR_JoinThread( srv );
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549 | PR_JoinThread( clt );
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550 |
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551 | /*
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552 | ** Evaluate test results
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553 | */
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554 | if (debug_mode) PR_fprintf(output, "\n\nudpsrv: main(): cltBytesRead(%ld), \
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555 | srvBytesRead(%ld), expected(%ld)\n",
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556 | cltBytesRead, srvBytesRead, UDP_AMOUNT_TO_WRITE );
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557 | if ( cltBytesRead != srvBytesRead || cltBytesRead != UDP_AMOUNT_TO_WRITE )
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558 | {
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559 | passed = PR_FALSE;
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560 | }
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561 | PR_Cleanup();
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562 | if ( passed )
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563 | return 0;
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564 | else
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565 | return 1;
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566 | } /* --- end main() --- */
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