static void levent_dump(evutil_socket_t fd, short what, void *arg) { struct event_base *base = arg; (void)fd; (void)what; log_debug("event", "dumping all events"); event_base_dump_events(base, stderr); }
static void buff_input_cb (struct bufferevent *bev, void *ctx) { printf("***in %s\n", __func__); int len = evbuffer_get_length(bufferevent_get_input(bev)); printf("len=%d\n", len); event_base_dump_events(p_base, ff); if (len==20) { char buff[1024]; /* first read data, second make READ event pending */ bufferevent_read(bev, buff, 1024); len = evbuffer_get_length(bufferevent_get_input(bev)); printf("len=%d\n", len); event_base_dump_events(p_base, ff); } return; }
/* Testing code for event_base_dump_events(). Notes that just because we have code to exercise this function, doesn't mean that *ANYTHING* about the output format is guaranteed to remain in the future. */ int main(int argc, char **argv) { #define N_EVENTS 13 int i; struct event *ev[N_EVENTS]; evutil_socket_t pair1[2]; evutil_socket_t pair2[2]; struct timeval tv_onesec = {1,0}; struct timeval tv_two5sec = {2,500*1000}; const struct timeval *tv_onesec_common; const struct timeval *tv_two5sec_common; struct event_base *base; struct timeval now; #ifdef _WIN32 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2, 2); WSAStartup(wVersionRequested, &wsaData); #endif #ifdef _WIN32 #define LOCAL_SOCKETPAIR_AF AF_INET #else #define LOCAL_SOCKETPAIR_AF AF_UNIX #endif if (evutil_make_internal_pipe_(pair1) < 0 || evutil_make_internal_pipe_(pair2) < 0) { sock_perror("evutil_make_internal_pipe_"); return 1; } if (!(base = event_base_new())) { fprintf(stderr,"Couldn't make event_base\n"); return 2; } tv_onesec_common = event_base_init_common_timeout(base, &tv_onesec); tv_two5sec_common = event_base_init_common_timeout(base, &tv_two5sec); ev[0] = event_new(base, pair1[0], EV_WRITE, callback1, NULL); ev[1] = event_new(base, pair1[1], EV_READ|EV_PERSIST, callback1, NULL); ev[2] = event_new(base, pair2[0], EV_WRITE|EV_PERSIST, callback2, NULL); ev[3] = event_new(base, pair2[1], EV_READ, callback2, NULL); /* For timers */ ev[4] = evtimer_new(base, callback1, NULL); ev[5] = evtimer_new(base, callback1, NULL); ev[6] = evtimer_new(base, callback1, NULL); ev[7] = event_new(base, -1, EV_PERSIST, callback2, NULL); ev[8] = event_new(base, -1, EV_PERSIST, callback2, NULL); ev[9] = event_new(base, -1, EV_PERSIST, callback2, NULL); /* To activate */ ev[10] = event_new(base, -1, 0, callback1, NULL); ev[11] = event_new(base, -1, 0, callback2, NULL); /* Signals */ ev[12] = evsignal_new(base, SIGINT, callback2, NULL); event_add(ev[0], NULL); event_add(ev[1], &tv_onesec); event_add(ev[2], tv_onesec_common); event_add(ev[3], tv_two5sec_common); event_add(ev[4], tv_onesec_common); event_add(ev[5], tv_onesec_common); event_add(ev[6], &tv_onesec); event_add(ev[7], tv_two5sec_common); event_add(ev[8], tv_onesec_common); event_add(ev[9], &tv_two5sec); event_active(ev[10], EV_READ, 1); event_active(ev[11], EV_READ|EV_WRITE|EV_TIMEOUT, 1); event_active(ev[1], EV_READ, 1); event_add(ev[12], NULL); evutil_gettimeofday(&now,NULL); puts("=====expected"); printf("Now= %ld.%06d\n",(long)now.tv_sec,(int)now.tv_usec); puts("Inserted:"); printf(" %p [fd %ld] Write\n",ev[0],(long)pair1[0]); printf(" %p [fd %ld] Read Persist Timeout=T+1\n",ev[1],(long)pair1[1]); printf(" %p [fd %ld] Write Persist Timeout=T+1\n",ev[2],(long)pair2[0]); printf(" %p [fd %ld] Read Timeout=T+2.5\n",ev[3],(long)pair2[1]); printf(" %p [fd -1] Timeout=T+1\n",ev[4]); printf(" %p [fd -1] Timeout=T+1\n",ev[5]); printf(" %p [fd -1] Timeout=T+1\n",ev[6]); printf(" %p [fd -1] Persist Timeout=T+2.5\n",ev[7]); printf(" %p [fd -1] Persist Timeout=T+1\n",ev[8]); printf(" %p [fd -1] Persist Timeout=T+2.5\n",ev[9]); printf(" %p [sig %d] Signal Persist\n", ev[12], (int)SIGINT); puts("Active:"); printf(" %p [fd -1, priority=0] Read active\n", ev[10]); printf(" %p [fd -1, priority=0] Read Write Timeout active\n", ev[11]); printf(" %p [fd %ld, priority=0] Read active\n", ev[1], (long)pair1[1]); puts("======received"); event_base_dump_events(base, stdout); for (i = 0; i < N_EVENTS; ++i) { event_free(ev[i]); } event_base_free(base); return 0; }