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comparison: ipc/chromium/src/third_party/libevent/test/bench_httpclient.c
ipc/chromium/src/third_party/libevent/test/bench_httpclient.c
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f0c4fb82a4dc |
|---|---|
| 1 /* | |
| 2 * Copyright 2009-2012 Niels Provos and Nick Mathewson | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * 4. The name of the author may not be used to endorse or promote products | |
| 13 * derived from this software without specific prior written permission. | |
| 14 * | |
| 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
| 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
| 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 * | |
| 26 */ | |
| 27 | |
| 28 #include <sys/types.h> | |
| 29 #ifdef WIN32 | |
| 30 #include <winsock2.h> | |
| 31 #else | |
| 32 #include <sys/socket.h> | |
| 33 #include <netinet/in.h> | |
| 34 # ifdef _XOPEN_SOURCE_EXTENDED | |
| 35 # include <arpa/inet.h> | |
| 36 # endif | |
| 37 #endif | |
| 38 #include <stdlib.h> | |
| 39 #include <string.h> | |
| 40 #include <errno.h> | |
| 41 | |
| 42 #include "event2/event.h" | |
| 43 #include "event2/bufferevent.h" | |
| 44 #include "event2/buffer.h" | |
| 45 #include "event2/util.h" | |
| 46 | |
| 47 /* for EVUTIL_ERR_CONNECT_RETRIABLE macro */ | |
| 48 #include "util-internal.h" | |
| 49 | |
| 50 const char *resource = NULL; | |
| 51 struct event_base *base = NULL; | |
| 52 | |
| 53 int total_n_handled = 0; | |
| 54 int total_n_errors = 0; | |
| 55 int total_n_launched = 0; | |
| 56 size_t total_n_bytes = 0; | |
| 57 struct timeval total_time = {0,0}; | |
| 58 int n_errors = 0; | |
| 59 | |
| 60 const int PARALLELISM = 200; | |
| 61 const int N_REQUESTS = 20000; | |
| 62 | |
| 63 struct request_info { | |
| 64 size_t n_read; | |
| 65 struct timeval started; | |
| 66 }; | |
| 67 | |
| 68 static int launch_request(void); | |
| 69 static void readcb(struct bufferevent *b, void *arg); | |
| 70 static void errorcb(struct bufferevent *b, short what, void *arg); | |
| 71 | |
| 72 static void | |
| 73 readcb(struct bufferevent *b, void *arg) | |
| 74 { | |
| 75 struct request_info *ri = arg; | |
| 76 struct evbuffer *input = bufferevent_get_input(b); | |
| 77 size_t n = evbuffer_get_length(input); | |
| 78 | |
| 79 ri->n_read += n; | |
| 80 evbuffer_drain(input, n); | |
| 81 } | |
| 82 | |
| 83 static void | |
| 84 errorcb(struct bufferevent *b, short what, void *arg) | |
| 85 { | |
| 86 struct request_info *ri = arg; | |
| 87 struct timeval now, diff; | |
| 88 if (what & BEV_EVENT_EOF) { | |
| 89 ++total_n_handled; | |
| 90 total_n_bytes += ri->n_read; | |
| 91 evutil_gettimeofday(&now, NULL); | |
| 92 evutil_timersub(&now, &ri->started, &diff); | |
| 93 evutil_timeradd(&diff, &total_time, &total_time); | |
| 94 | |
| 95 if (total_n_handled && (total_n_handled%1000)==0) | |
| 96 printf("%d requests done\n",total_n_handled); | |
| 97 | |
| 98 if (total_n_launched < N_REQUESTS) { | |
| 99 if (launch_request() < 0) | |
| 100 perror("Can't launch"); | |
| 101 } | |
| 102 } else { | |
| 103 ++total_n_errors; | |
| 104 perror("Unexpected error"); | |
| 105 } | |
| 106 | |
| 107 bufferevent_setcb(b, NULL, NULL, NULL, NULL); | |
| 108 free(ri); | |
| 109 bufferevent_disable(b, EV_READ|EV_WRITE); | |
| 110 bufferevent_free(b); | |
| 111 } | |
| 112 | |
| 113 static void | |
| 114 frob_socket(evutil_socket_t sock) | |
| 115 { | |
| 116 struct linger l; | |
| 117 int one = 1; | |
| 118 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&one, sizeof(one))<0) | |
| 119 perror("setsockopt(SO_REUSEADDR)"); | |
| 120 l.l_onoff = 1; | |
| 121 l.l_linger = 0; | |
| 122 if (setsockopt(sock, SOL_SOCKET, SO_LINGER, (void*)&l, sizeof(l))<0) | |
| 123 perror("setsockopt(SO_LINGER)"); | |
| 124 } | |
| 125 | |
| 126 static int | |
| 127 launch_request(void) | |
| 128 { | |
| 129 evutil_socket_t sock; | |
| 130 struct sockaddr_in sin; | |
| 131 struct bufferevent *b; | |
| 132 | |
| 133 struct request_info *ri; | |
| 134 | |
| 135 memset(&sin, 0, sizeof(sin)); | |
| 136 | |
| 137 ++total_n_launched; | |
| 138 | |
| 139 sin.sin_family = AF_INET; | |
| 140 sin.sin_addr.s_addr = htonl(0x7f000001); | |
| 141 sin.sin_port = htons(8080); | |
| 142 if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) | |
| 143 return -1; | |
| 144 if (evutil_make_socket_nonblocking(sock) < 0) | |
| 145 return -1; | |
| 146 frob_socket(sock); | |
| 147 if (connect(sock, (struct sockaddr*)&sin, sizeof(sin)) < 0) { | |
| 148 int e = errno; | |
| 149 if (! EVUTIL_ERR_CONNECT_RETRIABLE(e)) { | |
| 150 return -1; | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 ri = malloc(sizeof(*ri)); | |
| 155 ri->n_read = 0; | |
| 156 evutil_gettimeofday(&ri->started, NULL); | |
| 157 | |
| 158 b = bufferevent_socket_new(base, sock, BEV_OPT_CLOSE_ON_FREE); | |
| 159 | |
| 160 bufferevent_setcb(b, readcb, NULL, errorcb, ri); | |
| 161 bufferevent_enable(b, EV_READ|EV_WRITE); | |
| 162 | |
| 163 evbuffer_add_printf(bufferevent_get_output(b), | |
| 164 "GET %s HTTP/1.0\r\n\r\n", resource); | |
| 165 | |
| 166 return 0; | |
| 167 } | |
| 168 | |
| 169 | |
| 170 int | |
| 171 main(int argc, char **argv) | |
| 172 { | |
| 173 int i; | |
| 174 struct timeval start, end, total; | |
| 175 long long usec; | |
| 176 double throughput; | |
| 177 resource = "/ref"; | |
| 178 | |
| 179 setvbuf(stdout, NULL, _IONBF, 0); | |
| 180 | |
| 181 base = event_base_new(); | |
| 182 | |
| 183 for (i=0; i < PARALLELISM; ++i) { | |
| 184 if (launch_request() < 0) | |
| 185 perror("launch"); | |
| 186 } | |
| 187 | |
| 188 evutil_gettimeofday(&start, NULL); | |
| 189 | |
| 190 event_base_dispatch(base); | |
| 191 | |
| 192 evutil_gettimeofday(&end, NULL); | |
| 193 evutil_timersub(&end, &start, &total); | |
| 194 usec = total_time.tv_sec * 1000000 + total_time.tv_usec; | |
| 195 | |
| 196 if (!total_n_handled) { | |
| 197 puts("Nothing worked. You probably did something dumb."); | |
| 198 return 0; | |
| 199 } | |
| 200 | |
| 201 | |
| 202 throughput = total_n_handled / | |
| 203 (total.tv_sec+ ((double)total.tv_usec)/1000000.0); | |
| 204 | |
| 205 #ifdef WIN32 | |
| 206 #define I64_FMT "%I64d" | |
| 207 #define I64_TYP __int64 | |
| 208 #else | |
| 209 #define I64_FMT "%lld" | |
| 210 #define I64_TYP long long int | |
| 211 #endif | |
| 212 | |
| 213 printf("\n%d requests in %d.%06d sec. (%.2f throughput)\n" | |
| 214 "Each took about %.02f msec latency\n" | |
| 215 I64_FMT "bytes read. %d errors.\n", | |
| 216 total_n_handled, | |
| 217 (int)total.tv_sec, (int)total.tv_usec, | |
| 218 throughput, | |
| 219 (double)(usec/1000) / total_n_handled, | |
| 220 (I64_TYP)total_n_bytes, n_errors); | |
| 221 | |
| 222 return 0; | |
| 223 } |
