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comparison: nsprpub/pr/tests/writev.c
nsprpub/pr/tests/writev.c
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
equal
deleted
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replaced
| -1:000000000000 | 0:b37ac520c77b |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nspr.h" | |
| 7 | |
| 8 #include "plgetopt.h" | |
| 9 | |
| 10 #include <stdlib.h> | |
| 11 #include <string.h> | |
| 12 | |
| 13 | |
| 14 #ifndef IOV_MAX | |
| 15 #define IOV_MAX 16 | |
| 16 #endif | |
| 17 | |
| 18 #define BASE_PORT 9867 | |
| 19 | |
| 20 int PR_CALLBACK Writev(int argc, char **argv) | |
| 21 { | |
| 22 | |
| 23 PRStatus rv; | |
| 24 PRNetAddr serverAddr; | |
| 25 PRFileDesc *clientSock, *debug = NULL; | |
| 26 | |
| 27 char *buffer = NULL; | |
| 28 PRIOVec *iov = NULL; | |
| 29 PRBool passed = PR_TRUE; | |
| 30 PRIntervalTime timein, elapsed, timeout; | |
| 31 PRIntervalTime tmo_min = 0x7fffffff, tmo_max = 0, tmo_elapsed = 0; | |
| 32 PRInt32 tmo_counted = 0, iov_index, loop, bytes, number_fragments; | |
| 33 PRInt32 message_length = 100, fragment_length = 100, messages = 100; | |
| 34 struct Descriptor { PRInt32 length; PRUint32 checksum; } descriptor; | |
| 35 | |
| 36 /* | |
| 37 * USAGE | |
| 38 * -h dns name of host serving the connection (default = self) | |
| 39 * -m number of messages to send (default = 100) | |
| 40 * -s size of each message (default = 100) | |
| 41 * -f size of each message fragment (default = 100) | |
| 42 */ | |
| 43 | |
| 44 PLOptStatus os; | |
| 45 PLOptState *opt = PL_CreateOptState(argc, argv, "dh:m:s:f:"); | |
| 46 | |
| 47 PR_STDIO_INIT(); | |
| 48 rv = PR_InitializeNetAddr(PR_IpAddrLoopback, BASE_PORT, &serverAddr); | |
| 49 PR_ASSERT(PR_SUCCESS == rv); | |
| 50 | |
| 51 while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) | |
| 52 { | |
| 53 if (PL_OPT_BAD == os) continue; | |
| 54 switch (opt->option) | |
| 55 { | |
| 56 case 'h': /* the remote host */ | |
| 57 { | |
| 58 PRIntn es = 0; | |
| 59 PRHostEnt host; | |
| 60 char buffer[1024]; | |
| 61 (void)PR_GetHostByName(opt->value, buffer, sizeof(buffer), &host); | |
| 62 es = PR_EnumerateHostEnt(es, &host, BASE_PORT, &serverAddr); | |
| 63 PR_ASSERT(es > 0); | |
| 64 } | |
| 65 break; | |
| 66 case 'd': /* debug mode */ | |
| 67 debug = PR_GetSpecialFD(PR_StandardError); | |
| 68 break; | |
| 69 case 'm': /* number of messages to send */ | |
| 70 messages = atoi(opt->value); | |
| 71 break; | |
| 72 case 's': /* total size of each message */ | |
| 73 message_length = atoi(opt->value); | |
| 74 break; | |
| 75 case 'f': /* size of each message fragment */ | |
| 76 fragment_length = atoi(opt->value); | |
| 77 break; | |
| 78 default: | |
| 79 break; | |
| 80 } | |
| 81 } | |
| 82 PL_DestroyOptState(opt); | |
| 83 | |
| 84 buffer = (char*)malloc(message_length); | |
| 85 | |
| 86 number_fragments = (message_length + fragment_length - 1) / fragment_length + 1; | |
| 87 while (IOV_MAX < number_fragments) | |
| 88 { | |
| 89 fragment_length = message_length / (IOV_MAX - 2); | |
| 90 number_fragments = (message_length + fragment_length - 1) / | |
| 91 fragment_length + 1; | |
| 92 if (NULL != debug) PR_fprintf(debug, | |
| 93 "Too many fragments - reset fragment length to %ld\n", fragment_length); | |
| 94 } | |
| 95 iov = (PRIOVec*)malloc(number_fragments * sizeof(PRIOVec)); | |
| 96 | |
| 97 iov[0].iov_base = (char*)&descriptor; | |
| 98 iov[0].iov_len = sizeof(descriptor); | |
| 99 for (iov_index = 1; iov_index < number_fragments; ++iov_index) | |
| 100 { | |
| 101 iov[iov_index].iov_base = buffer + (iov_index - 1) * fragment_length; | |
| 102 iov[iov_index].iov_len = fragment_length; | |
| 103 } | |
| 104 | |
| 105 for (bytes = 0; bytes < message_length; ++bytes) | |
| 106 buffer[bytes] = (char)bytes; | |
| 107 | |
| 108 timeout = PR_SecondsToInterval(1); | |
| 109 | |
| 110 for (loop = 0; loop < messages; ++loop) | |
| 111 { | |
| 112 if (NULL != debug) | |
| 113 PR_fprintf(debug, "[%d]socket ... ", loop); | |
| 114 clientSock = PR_NewTCPSocket(); | |
| 115 if (clientSock) | |
| 116 { | |
| 117 timein = PR_IntervalNow(); | |
| 118 if (NULL != debug) | |
| 119 PR_fprintf(debug, "connecting ... "); | |
| 120 rv = PR_Connect(clientSock, &serverAddr, timeout); | |
| 121 if (PR_SUCCESS == rv) | |
| 122 { | |
| 123 descriptor.checksum = 0; | |
| 124 descriptor.length = (loop < (messages - 1)) ? message_length : 0; | |
| 125 if (0 == descriptor.length) number_fragments = 1; | |
| 126 else | |
| 127 for (iov_index = 0; iov_index < descriptor.length; ++iov_index) | |
| 128 { | |
| 129 PRUint32 overflow = descriptor.checksum & 0x80000000; | |
| 130 descriptor.checksum = (descriptor.checksum << 1); | |
| 131 if (0x00000000 != overflow) descriptor.checksum += 1; | |
| 132 descriptor.checksum += buffer[iov_index]; | |
| 133 } | |
| 134 if (NULL != debug) PR_fprintf( | |
| 135 debug, "sending %d bytes ... ", descriptor.length); | |
| 136 | |
| 137 /* then, at the last moment ... */ | |
| 138 descriptor.length = PR_ntohl(descriptor.length); | |
| 139 descriptor.checksum = PR_ntohl(descriptor.checksum); | |
| 140 | |
| 141 bytes = PR_Writev(clientSock, iov, number_fragments, timeout); | |
| 142 if (NULL != debug) | |
| 143 PR_fprintf(debug, "closing ... "); | |
| 144 rv = PR_Shutdown(clientSock, PR_SHUTDOWN_BOTH); | |
| 145 rv = PR_Close(clientSock); | |
| 146 if (NULL != debug) PR_fprintf( | |
| 147 debug, "%s\n", ((PR_SUCCESS == rv) ? "good" : "bad")); | |
| 148 elapsed = PR_IntervalNow() - timein; | |
| 149 if (elapsed < tmo_min) tmo_min = elapsed; | |
| 150 else if (elapsed > tmo_max) tmo_max = elapsed; | |
| 151 tmo_elapsed += elapsed; | |
| 152 tmo_counted += 1; | |
| 153 } | |
| 154 else | |
| 155 { | |
| 156 if (NULL != debug) PR_fprintf( | |
| 157 debug, "failed - retrying (%d, %d)\n", | |
| 158 PR_GetError(), PR_GetOSError()); | |
| 159 PR_Close(clientSock); | |
| 160 } | |
| 161 } | |
| 162 else if (NULL != debug) | |
| 163 { | |
| 164 PR_fprintf(debug, "unable to create client socket\n"); | |
| 165 passed = PR_FALSE; | |
| 166 } | |
| 167 } | |
| 168 if (NULL != debug) { | |
| 169 if (0 == tmo_counted) { | |
| 170 PR_fprintf(debug, "No connection made\n"); | |
| 171 } else { | |
| 172 PR_fprintf( | |
| 173 debug, "\nTimings: %d [%d] %d (microseconds)\n", | |
| 174 PR_IntervalToMicroseconds(tmo_min), | |
| 175 PR_IntervalToMicroseconds(tmo_elapsed / tmo_counted), | |
| 176 PR_IntervalToMicroseconds(tmo_max)); | |
| 177 } | |
| 178 } | |
| 179 | |
| 180 PR_DELETE(buffer); | |
| 181 PR_DELETE(iov); | |
| 182 | |
| 183 PR_fprintf( | |
| 184 PR_GetSpecialFD(PR_StandardError), | |
| 185 "%s\n", (passed) ? "PASSED" : "FAILED"); | |
| 186 return (passed) ? 0 : 1; | |
| 187 } | |
| 188 | |
| 189 int main(int argc, char **argv) | |
| 190 { | |
| 191 return (PR_VersionCheck(PR_VERSION)) ? | |
| 192 PR_Initialize(Writev, argc, argv, 4) : -1; | |
| 193 } /* main */ | |
| 194 | |
| 195 /* writev.c */ | |
| 196 | |
| 197 |
