/***************************************************************************
* nsock_test_timers.c -- A test program to exercise the nsock timer *
* routines. *
* *
***********************IMPORTANT NSOCK LICENSE TERMS***********************
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***************************************************************************/
#include "nsock.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <assert.h>
nsock_event_id ev_ids[2048];
int num_ids = 0;
nsock_event_id request_timer(nsock_pool nsp, nsock_ev_handler handler,
int timeout_msecs, void *userdata) {
nsock_event_id id;
id = nsock_timer_create(nsp, handler, timeout_msecs, userdata);
printf("%ld: Created timer ID %li for %d ms from now\n", time(NULL), id,
timeout_msecs);
return id;
}
int try_cancel_timer(nsock_pool *nsp, int idx, int notify) {
int res;
printf("%ld:Attempting to cancel id %li (idx %d) %s notify.\n",
time(NULL), ev_ids[idx], idx, ((notify)? "WITH" : "WITHOUT"));
res = nsock_event_cancel(nsp, ev_ids[idx], notify);
printf("Kill of %li %s\n", ev_ids[idx], (res == 0)? "FAILED" : "SUCCEEDED");
return res;
}
void timer_handler(nsock_pool nsp, nsock_event nse, void *mydata) {
enum nse_status status = nse_status(nse);
enum nse_type type = nse_type(nse);
int rnd, rnd2;
printf("%ld:timer_handler: Received callback of type %s; status %s; id %li\n",
time(NULL), nse_type2str(type), nse_status2str(status), nse_id(nse));
rnd = rand() % num_ids;
rnd2 = rand() % 3;
if (num_ids > (sizeof(ev_ids) / sizeof(nsock_event_id)) - 3) {
printf("\n\nSUCCEEDED DUE TO CREATING ENOUGH EVENTS THAT IT WAS GOING TO OVERFLOW MY BUFFER :)\n\n");
exit(0);
}
if (status == NSE_STATUS_SUCCESS) {
switch(rnd2) {
case 0:
/* do nothing */
/* Actually I think I'll create two timers :) */
ev_ids[num_ids++] = request_timer(nsp, timer_handler, rand() % 3000, NULL);
ev_ids[num_ids++] = request_timer(nsp, timer_handler, rand() % 3000, NULL);
break;
case 1:
/* Kill another id (which may or may not be active */
try_cancel_timer(nsp, rnd, rand() % 2);
break;
case 2:
/* Create a new timer */
ev_ids[num_ids++] = request_timer(nsp, timer_handler, rand() % 3000, NULL);
break;
default:
assert(0);
}
}
}
int main(int argc, char *argv[]) {
nsock_pool nsp;
enum nsock_loopstatus loopret;
int num_loops = 0;
srand(time(NULL));
/* OK, we start with creating a p00l */
if ((nsp = nsp_new(NULL)) == NULL) {
fprintf(stderr, "Failed to create new pool. QUITTING.\n");
exit(1);
}
nsp_settrace(nsp, NULL, 10, NULL);
ev_ids[num_ids++] = request_timer(nsp, timer_handler, 1800, NULL);
ev_ids[num_ids++] = request_timer(nsp, timer_handler, 800, NULL);
ev_ids[num_ids++] = request_timer(nsp, timer_handler, 1300, NULL);
ev_ids[num_ids++] = request_timer(nsp, timer_handler, 0, NULL);
ev_ids[num_ids++] = request_timer(nsp, timer_handler, 100, NULL);
/* Now lets get this party started right! */
while(num_loops++ < 5) {
loopret = nsock_loop(nsp, 1500);
if (loopret == NSOCK_LOOP_TIMEOUT)
printf("Finished l00p #%d due to l00p timeout :) I may do another\n", num_loops);
else if (loopret == NSOCK_LOOP_NOEVENTS) {
printf("SUCCESS -- NO EVENTS LEFT\n");
exit(0);
} else {
printf("nsock_loop FAILED!\n");
exit(1);
}
}
printf("Trying to kill my msp!\n");
nsp_delete(nsp);
printf("SUCCESS -- completed %d l00ps.\n", num_loops);
return 0;
}