53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <unistd.h>
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#define MAXBUF (8192)
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//
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// This program is intended to help you test your web server.
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// You can use it to test that you are correctly having multiple threads
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// handling http requests.
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//
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double get_seconds() {
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struct timeval t;
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int rc = gettimeofday(&t, NULL);
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assert(rc == 0);
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return (double) ((double)t.tv_sec + (double)t.tv_usec / 1e6);
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}
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int main(int argc, char *argv[]) {
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// Extract arguments
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double spin_for = 0.0;
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char *buf;
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if ((buf = getenv("QUERY_STRING")) != NULL) {
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// just expecting a single number
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spin_for = (double) atoi(buf);
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}
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double t1 = get_seconds();
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while ((get_seconds() - t1) < spin_for)
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sleep(1);
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double t2 = get_seconds();
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/* Make the response body */
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char content[MAXBUF];
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sprintf(content, "<p>Welcome to the CGI program (%s)</p>\r\n", buf);
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sprintf(content, "%s<p>My only purpose is to waste time on the server!</p>\r\n", content);
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sprintf(content, "%s<p>I spun for %.2f seconds</p>\r\n", content, t2 - t1);
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/* Generate the HTTP response */
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printf("Content-length: %lu\r\n", strlen(content));
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printf("Content-type: text/html\r\n\r\n");
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printf("%s", content);
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fflush(stdout);
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exit(0);
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}
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