As nobody answer my question for a long time,
I try to solve the problem by adding a
event_base_loopbreak(base);
When BEV_EVENT_ERROR occurred.
Is it really the normal solution for such kind of problem?
在 12-4-14 上午11:23， "Dawen Rie" <dawenh...@126.com> 写入:
> I just write a simple client, and try to connect to a server which NOT
> running.
> libevent will trigger eventcb too times, the first time is BEV_EVENT_ERROR
> and the second time is BEV_EVENT_CONNECTED. Is there some wrong with me?
>
> The code like following:
>
> static void eventcb(struct bufferevent *bev, short events, void *ptr)
> {
> if (events & BEV_EVENT_CONNECTED) {
> printf("Connected\n");
> //login(bev);
> } else if (events & BEV_EVENT_ERROR) {
> printf("NOT Connected\n");
> }
> }
> static void readcb(struct bufferevent *bev, void *ctx)
> {
> }
>
>
> int main(int argc, char **argv)
> {
> if (argc != 3) {
> printf("Usage: client <host> <port>\n");
> return 1;
> }
>
> const char *host = argv[1];
> int port = atoi(argv[2]);
>
> struct event_base *base = event_base_new();
> if (!base) {
> printf("Couldn't open event base\n");
> return 1;
> }
>
> struct bufferevent *bev = bufferevent_socket_new(base, -1,
> BEV_OPT_CLOSE_ON_FREE);
> bufferevent_setcb(bev, readcb, NULL, eventcb, NULL);
> bufferevent_enable(bev, EV_READ|EV_WRITE);
> printf("Connecting to %s:%d\n", host, port);
> if(bufferevent_socket_connect_hostname(bev, NULL, AF_INET, host, port)
> != 0)
> {
> printf("Connect host failed\n");
> return 1;
> }
>
> event_base_dispatch(base);
> bufferevent_free(bev);
> event_base_free(base);
> return 0;
> }
>
>
>
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