155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/* Copyright (C) 2010, 2011 Tony Garnock-Jones. All rights reserved. */
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <unistd.h>
|
|
#include <sys/socket.h>
|
|
#include <netdb.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <fcntl.h>
|
|
#include <sys/wait.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <assert.h>
|
|
|
|
#define EXPECTEDPREFIX "(4:post8:consumer8:"
|
|
|
|
static size_t hunt_for_latencies_in(char *buf, size_t count) {
|
|
struct timeval now;
|
|
char *pos = buf;
|
|
char *sentinel = buf + count;
|
|
size_t msgsize = 0;
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
while (1) {
|
|
char *openptr = memchr(pos, '(', sentinel - pos);
|
|
char *closeptr;
|
|
uint32_t s, us;
|
|
|
|
if (openptr == NULL) break;
|
|
|
|
closeptr = memchr(openptr + 1, ')', sentinel - (openptr + 1));
|
|
if (closeptr == NULL) break;
|
|
|
|
memcpy(&s, openptr + strlen(EXPECTEDPREFIX), sizeof(uint32_t));
|
|
memcpy(&us, openptr + strlen(EXPECTEDPREFIX) + sizeof(uint32_t), sizeof(uint32_t));
|
|
s = ntohl(s);
|
|
us = ntohl(us);
|
|
|
|
if (s != 0 || us != 0) {
|
|
double delta = (now.tv_sec - s) * 1000000.0 + (now.tv_usec - us);
|
|
printf("Latency %g microseconds (%g milliseconds)\n", delta, delta / 1000.0);
|
|
}
|
|
|
|
msgsize = closeptr + 1 - openptr;
|
|
|
|
pos = closeptr + 1;
|
|
}
|
|
|
|
return msgsize;
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int fd = socket(AF_INET, SOCK_STREAM, 0);
|
|
struct sockaddr_in s;
|
|
FILE *f;
|
|
struct timeval start_time;
|
|
long bytecount = -1;
|
|
size_t message_size = 0;
|
|
long last_report_bytecount = 0;
|
|
char idchar = '1';
|
|
char *qclass = "queue";
|
|
|
|
if (argc < 2) {
|
|
fprintf(stderr, "Usage: test1 <serverhostname> [<idchar> [<qclass>]]\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (argc > 2) {
|
|
idchar = argv[2][0];
|
|
}
|
|
printf("Idchar: '%c'\n", idchar);
|
|
|
|
if (argc > 3) {
|
|
qclass = argv[3];
|
|
}
|
|
printf("Qclass: %s\n", qclass);
|
|
|
|
{
|
|
struct hostent *h = gethostbyname(argv[1]);
|
|
if (h == NULL) {
|
|
fprintf(stderr, "serverhostname lookup: %d\n", h_errno);
|
|
exit(1);
|
|
}
|
|
s.sin_family = AF_INET;
|
|
s.sin_addr.s_addr = * (uint32_t *) h->h_addr_list[0];
|
|
s.sin_port = htons(5671);
|
|
}
|
|
|
|
if (connect(fd, (struct sockaddr *) &s, sizeof(s)) < 0) return 1;
|
|
|
|
{
|
|
int i = 1;
|
|
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &i, sizeof(i));
|
|
}
|
|
|
|
f = fdopen(fd, "a+");
|
|
|
|
fprintf(f, "(9:subscribe5:test%c0:0:5:test%c5:login)\n", idchar, idchar);
|
|
fprintf(f, "(4:post7:factory(6:create%d:%s(2:q1)5:test%c1:k)0:)\n",
|
|
(int) strlen(qclass), qclass, idchar);
|
|
fflush(f);
|
|
usleep(100000);
|
|
fprintf(f, "(4:post2:q1(9:subscribe0:5:test%c8:consumer5:test%c1:k)0:)\n", idchar, idchar);
|
|
fflush(f);
|
|
|
|
while (1) {
|
|
char buf[1024];
|
|
size_t n = read(fd, buf, sizeof(buf));
|
|
if (n == 0) break;
|
|
if (n >= strlen(EXPECTEDPREFIX)) {
|
|
if (!memcmp(buf, EXPECTEDPREFIX, strlen(EXPECTEDPREFIX))) {
|
|
if (bytecount == -1) {
|
|
printf("Buffer at start: <<%.*s>>\n", (int) n, buf);
|
|
printf("Starting.\n");
|
|
bytecount = 0;
|
|
gettimeofday(&start_time, NULL);
|
|
}
|
|
}
|
|
}
|
|
if (bytecount >= 0) {
|
|
size_t detected_msgsize = hunt_for_latencies_in(buf, n);
|
|
bytecount += n;
|
|
if (detected_msgsize != 0 && message_size == 0) {
|
|
message_size = detected_msgsize;
|
|
printf("message_size = %lu\n", message_size);
|
|
}
|
|
if (message_size != 0) {
|
|
if ((bytecount - last_report_bytecount) > (100000 * message_size)) {
|
|
struct timeval now;
|
|
double delta;
|
|
gettimeofday(&now, NULL);
|
|
delta = (now.tv_sec - start_time.tv_sec) + (now.tv_usec - start_time.tv_usec) / 1000000.0;
|
|
printf("So far received %ld bytes in %g seconds = %g bytes/sec and %g msgs/sec\n",
|
|
bytecount,
|
|
delta,
|
|
bytecount / delta,
|
|
bytecount / (delta * message_size));
|
|
fflush(stdout);
|
|
last_report_bytecount = bytecount;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|