439 lines
10 KiB
C
439 lines
10 KiB
C
/*
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* weighttp - a lightweight and simple webserver benchmarking tool
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*
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* Author:
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* Copyright (c) 2009-2011 Thomas Porzelt
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*
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* License:
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* MIT, see COPYING file
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*/
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#include "weighttp.h"
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extern int optind, optopt; /* getopt */
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static void show_help(void) {
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printf("weighttp <options> <url>\n");
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printf(" -n num number of requests (mandatory)\n");
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printf(" -t num threadcount (default: 1)\n");
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printf(" -c num concurrent clients (default: 1)\n");
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printf(" -k keep alive (default: no)\n");
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printf(" -6 use ipv6 (default: no)\n");
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printf(" -H str add header to request\n");
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printf(" -h show help and exit\n");
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printf(" -v show version and exit\n\n");
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printf("example: weighttpd -n 10000 -c 10 -t 2 -k -H \"User-Agent: foo\" localhost/index.html\n\n");
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}
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static struct addrinfo *resolve_host(char *hostname, uint16_t port, uint8_t use_ipv6) {
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int err;
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char port_str[6];
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struct addrinfo hints, *res, *res_first, *res_last;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = PF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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sprintf(port_str, "%d", port);
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err = getaddrinfo(hostname, port_str, &hints, &res_first);
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if (err) {
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W_ERROR("could not resolve hostname: %s", hostname);
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return NULL;
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}
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/* search for an ipv4 address, no ipv6 yet */
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res_last = NULL;
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for (res = res_first; res != NULL; res = res->ai_next) {
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if (res->ai_family == AF_INET && !use_ipv6)
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break;
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else if (res->ai_family == AF_INET6 && use_ipv6)
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break;
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res_last = res;
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}
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if (!res) {
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freeaddrinfo(res_first);
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W_ERROR("could not resolve hostname: %s", hostname);
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return NULL;
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}
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if (res != res_first) {
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/* unlink from list and free rest */
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res_last->ai_next = res->ai_next;
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freeaddrinfo(res_first);
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res->ai_next = NULL;
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}
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return res;
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}
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static char *forge_request(char *url, char keep_alive, char **host, uint16_t *port, char **headers, uint8_t headers_num) {
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char *c, *end;
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char *req;
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uint32_t len;
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uint8_t i;
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uint8_t have_user_agent;
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char *header_host;
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*host = NULL;
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*port = 0;
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header_host = NULL;
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if (strncmp(url, "http://", 7) == 0)
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url += 7;
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else if (strncmp(url, "https://", 8) == 0) {
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W_ERROR("%s", "no ssl support yet");
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url += 8;
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return NULL;
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}
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len = strlen(url);
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if ((c = strchr(url, ':'))) {
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/* found ':' => host:port */
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*host = W_MALLOC(char, c - url + 1);
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memcpy(*host, url, c - url);
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(*host)[c - url] = '\0';
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if ((end = strchr(c+1, '/'))) {
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*end = '\0';
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*port = atoi(c+1);
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*end = '/';
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url = end;
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} else {
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*port = atoi(c+1);
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url += len;
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}
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} else {
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*port = 80;
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if ((c = strchr(url, '/'))) {
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*host = W_MALLOC(char, c - url + 1);
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memcpy(*host, url, c - url);
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(*host)[c - url] = '\0';
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url = c;
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} else {
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*host = W_MALLOC(char, len + 1);
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memcpy(*host, url, len);
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(*host)[len] = '\0';
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url += len;
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}
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}
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if (*port == 0) {
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W_ERROR("%s", "could not parse url");
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free(*host);
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return NULL;
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}
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if (*url == '\0')
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url = "/";
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// total request size
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len = strlen("GET HTTP/1.1\r\nHost: :65536\r\nConnection: keep-alive\r\n\r\n") + 1;
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len += strlen(*host);
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len += strlen(url);
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have_user_agent = 0;
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for (i = 0; i < headers_num; i++) {
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if (strncmp(headers[i], "Host:", sizeof("Host:")-1) == 0) {
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if (header_host) {
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W_ERROR("%s", "Duplicate Host header");
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free(*host);
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return NULL;
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}
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header_host = headers[i] + 5;
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if (*header_host == ' ')
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header_host++;
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if (strlen(header_host) == 0) {
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W_ERROR("%s", "Invalid Host header");
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free(*host);
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return NULL;
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}
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len += strlen(header_host);
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continue;
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}
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len += strlen(headers[i]) + strlen("\r\n");
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if (strncmp(headers[i], "User-Agent:", sizeof("User-Agent:")-1) == 0)
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have_user_agent = 1;
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}
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if (!have_user_agent)
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len += strlen("User-Agent: weighttp/" VERSION "\r\n");
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req = W_MALLOC(char, len);
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strcpy(req, "GET ");
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strcat(req, url);
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strcat(req, " HTTP/1.1\r\nHost: ");
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if (header_host) {
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strcat(req, header_host);
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} else {
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strcat(req, *host);
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if (*port != 80)
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sprintf(req + strlen(req), ":%"PRIu16, *port);
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}
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strcat(req, "\r\n");
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if (!have_user_agent)
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sprintf(req + strlen(req), "User-Agent: weighttp/" VERSION "\r\n");
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for (i = 0; i < headers_num; i++) {
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if (strncmp(headers[i], "Host:", sizeof("Host:")-1) == 0)
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continue;
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strcat(req, headers[i]);
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strcat(req, "\r\n");
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}
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if (keep_alive)
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strcat(req, "Connection: keep-alive\r\n\r\n");
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else
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strcat(req, "Connection: close\r\n\r\n");
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return req;
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}
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uint64_t str_to_uint64(char *str) {
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uint64_t i;
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for (i = 0; *str; str++) {
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if (*str < '0' || *str > '9')
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return UINT64_MAX;
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i *= 10;
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i += *str - '0';
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}
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return i;
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}
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int main(int argc, char *argv[]) {
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Worker **workers;
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pthread_t *threads;
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int i;
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char c;
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int err;
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struct ev_loop *loop;
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ev_tstamp ts_start, ts_end;
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Config config;
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Worker *worker;
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char *host;
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uint16_t port;
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uint8_t use_ipv6;
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uint16_t rest_concur, rest_req;
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Stats stats;
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ev_tstamp duration;
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int sec, millisec, microsec;
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uint64_t rps;
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uint64_t kbps;
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char **headers;
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uint8_t headers_num;
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printf("weighttp - a lightweight and simple webserver benchmarking tool\n\n");
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headers = NULL;
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headers_num = 0;
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/* default settings */
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use_ipv6 = 0;
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config.thread_count = 1;
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config.concur_count = 1;
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config.req_count = 0;
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config.keep_alive = 0;
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while ((c = getopt(argc, argv, ":hv6kn:t:c:H:")) != -1) {
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switch (c) {
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case 'h':
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show_help();
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return 0;
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case 'v':
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printf("version: " VERSION "\n");
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printf("build-date: " __DATE__ " " __TIME__ "\n\n");
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return 0;
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case '6':
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use_ipv6 = 1;
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break;
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case 'k':
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config.keep_alive = 1;
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break;
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case 'n':
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config.req_count = str_to_uint64(optarg);
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break;
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case 't':
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config.thread_count = atoi(optarg);
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break;
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case 'c':
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config.concur_count = atoi(optarg);
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break;
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case 'H':
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headers = W_REALLOC(headers, char*, headers_num+1);
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headers[headers_num] = optarg;
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headers_num++;
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break;
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case '?':
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W_ERROR("unkown option: -%c", optopt);
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show_help();
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return 1;
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}
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}
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if ((argc - optind) < 1) {
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W_ERROR("%s", "missing url argument\n");
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show_help();
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return 1;
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} else if ((argc - optind) > 1) {
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W_ERROR("%s", "too many arguments\n");
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show_help();
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return 1;
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}
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/* check for sane arguments */
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if (!config.thread_count) {
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W_ERROR("%s", "thread count has to be > 0\n");
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show_help();
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return 1;
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}
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if (!config.concur_count) {
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W_ERROR("%s", "number of concurrent clients has to be > 0\n");
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show_help();
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return 1;
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}
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if (!config.req_count) {
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W_ERROR("%s", "number of requests has to be > 0\n");
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show_help();
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return 1;
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}
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if (config.req_count == UINT64_MAX || config.thread_count > config.req_count || config.thread_count > config.concur_count || config.concur_count > config.req_count) {
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W_ERROR("%s", "insane arguments\n");
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show_help();
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return 1;
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}
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loop = ev_default_loop(0);
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if (!loop) {
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W_ERROR("%s", "could not initialize libev\n");
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return 2;
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}
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if (NULL == (config.request = forge_request(argv[optind], config.keep_alive, &host, &port, headers, headers_num))) {
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return 1;
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}
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config.request_size = strlen(config.request);
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//printf("Request (%d):\n==========\n%s==========\n", config.request_size, config.request);
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//printf("host: '%s', port: %d\n", host, port);
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/* resolve hostname */
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if(!(config.saddr = resolve_host(host, port, use_ipv6))) {
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return 1;
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}
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/* spawn threads */
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threads = W_MALLOC(pthread_t, config.thread_count);
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workers = W_MALLOC(Worker*, config.thread_count);
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rest_concur = config.concur_count % config.thread_count;
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rest_req = config.req_count % config.thread_count;
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printf("starting benchmark...\n");
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memset(&stats, 0, sizeof(stats));
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ts_start = ev_time();
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for (i = 0; i < config.thread_count; i++) {
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uint64_t reqs = config.req_count / config.thread_count;
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uint16_t concur = config.concur_count / config.thread_count;
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uint64_t diff;
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if (rest_concur) {
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diff = (i == config.thread_count) ? rest_concur : (rest_concur / config.thread_count);
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diff = diff ? diff : 1;
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concur += diff;
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rest_concur -= diff;
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}
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if (rest_req) {
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diff = (i == config.thread_count) ? rest_req : (rest_req / config.thread_count);
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diff = diff ? diff : 1;
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reqs += diff;
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rest_req -= diff;
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}
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printf("spawning thread #%d: %"PRIu16" concurrent requests, %"PRIu64" total requests\n", i+1, concur, reqs);
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workers[i] = worker_new(i+1, &config, concur, reqs);
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if (!(workers[i])) {
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W_ERROR("%s", "failed to allocate worker or client");
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return 1;
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}
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err = pthread_create(&threads[i], NULL, worker_thread, (void*)workers[i]);
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if (err != 0) {
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W_ERROR("failed spawning thread (%d)", err);
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return 2;
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}
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}
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for (i = 0; i < config.thread_count; i++) {
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err = pthread_join(threads[i], NULL);
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worker = workers[i];
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if (err != 0) {
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W_ERROR("failed joining thread (%d)", err);
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return 3;
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}
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stats.req_started += worker->stats.req_started;
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stats.req_done += worker->stats.req_done;
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stats.req_success += worker->stats.req_success;
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stats.req_failed += worker->stats.req_failed;
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stats.bytes_total += worker->stats.bytes_total;
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stats.bytes_body += worker->stats.bytes_body;
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stats.req_2xx += worker->stats.req_2xx;
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stats.req_3xx += worker->stats.req_3xx;
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stats.req_4xx += worker->stats.req_4xx;
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stats.req_5xx += worker->stats.req_5xx;
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worker_free(worker);
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}
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ts_end = ev_time();
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duration = ts_end - ts_start;
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sec = duration;
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duration -= sec;
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duration = duration * 1000;
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millisec = duration;
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duration -= millisec;
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microsec = duration * 1000;
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rps = stats.req_done / (ts_end - ts_start);
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kbps = stats.bytes_total / (ts_end - ts_start) / 1024;
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printf("\nfinished in %d sec, %d millisec and %d microsec, %"PRIu64" req/s, %"PRIu64" kbyte/s\n", sec, millisec, microsec, rps, kbps);
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printf("requests: %"PRIu64" total, %"PRIu64" started, %"PRIu64" done, %"PRIu64" succeeded, %"PRIu64" failed, %"PRIu64" errored\n",
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config.req_count, stats.req_started, stats.req_done, stats.req_success, stats.req_failed, stats.req_error
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);
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printf("status codes: %"PRIu64" 2xx, %"PRIu64" 3xx, %"PRIu64" 4xx, %"PRIu64" 5xx\n",
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stats.req_2xx, stats.req_3xx, stats.req_4xx, stats.req_5xx
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);
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printf("traffic: %"PRIu64" bytes total, %"PRIu64" bytes http, %"PRIu64" bytes data\n",
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stats.bytes_total, stats.bytes_total - stats.bytes_body, stats.bytes_body
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);
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ev_default_destroy();
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free(threads);
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free(workers);
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free(config.request);
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free(host);
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free(headers);
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freeaddrinfo(config.saddr);
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return 0;
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}
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