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https://github.com/emikulic/darkhttpd.git
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In debug mode: time how long select() takes.
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parent
89af6956e2
commit
744bac5cb8
21
darkhttpd.c
21
darkhttpd.c
@ -44,6 +44,7 @@ static const int debug = 1;
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# include <sys/sendfile.h>
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#endif
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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@ -2328,7 +2329,7 @@ static void httpd_poll(void) {
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int max_fd, select_ret;
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struct connection *conn, *next;
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int bother_with_timeout = 0;
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struct timeval timeout;
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struct timeval timeout, t0, t1;
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timeout.tv_sec = idletime;
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timeout.tv_usec = 0;
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@ -2363,9 +2364,11 @@ static void httpd_poll(void) {
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#undef MAX_FD_SET
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/* -select- */
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if (debug)
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if (debug) {
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printf("select() with max_fd %d timeout %d\n",
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max_fd, bother_with_timeout ? (int)timeout.tv_sec : 0);
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gettimeofday(&t0, NULL);
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}
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select_ret = select(max_fd + 1, &recv_set, &send_set, NULL,
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(bother_with_timeout) ? &timeout : NULL);
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if (select_ret == 0) {
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@ -2378,8 +2381,18 @@ static void httpd_poll(void) {
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else
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err(1, "select() failed");
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}
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if (debug)
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printf("select() returned %d\n", select_ret);
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if (debug) {
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long long sec, usec;
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gettimeofday(&t1, NULL);
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sec = t1.tv_sec - t0.tv_sec;
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usec = t1.tv_usec - t0.tv_usec;
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if (usec < 0) {
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usec += 1000000;
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sec--;
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}
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printf("select() returned %d after %lld.%06lld secs\n",
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select_ret, sec, usec);
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}
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/* update time */
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now = time(NULL);
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