62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
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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 "event2/event.h"
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#include "event2/listener.h"
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#include "event2/bufferevent.h"
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#include "event2/buffer.h"
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//#define RECV_BUFSIZE 8192
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void error_cb(struct bufferevent* bev, short event, void* userdata) {
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bufferevent_free(bev);
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}
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void read_cb(struct bufferevent* bev, void* userdata) {
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//static char recvbuf[RECV_BUFSIZE];
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//int nread = bufferevent_read(bev, &recvbuf, RECV_BUFSIZE);
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//bufferevent_write(bev, recvbuf, nread);
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struct evbuffer* buf = evbuffer_new();
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int ret = bufferevent_read_buffer(bev, buf);
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if (ret == 0) {
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bufferevent_write_buffer(bev, buf);
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}
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evbuffer_free(buf);
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}
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void on_accept(struct evconnlistener* listener, evutil_socket_t connfd, struct sockaddr* peeraddr, int addrlen, void* userdata) {
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struct event_base* loop = evconnlistener_get_base(listener);
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struct bufferevent* bev = bufferevent_socket_new(loop, connfd, BEV_OPT_CLOSE_ON_FREE);
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bufferevent_setcb(bev, read_cb, NULL, error_cb, NULL);
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bufferevent_enable(bev, EV_READ|EV_WRITE|EV_PERSIST);
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}
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int main(int argc, char** argv) {
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if (argc < 2) {
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printf("Usage: cmd port\n");
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return -10;
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}
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int port = atoi(argv[1]);
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struct event_base* loop = event_base_new();
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struct sockaddr_in addr;
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_port = htons(port);
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struct evconnlistener* listener = evconnlistener_new_bind(
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loop, on_accept, NULL,
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LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_FREE,
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-1, (struct sockaddr*)&addr, sizeof(addr));
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if (listener == NULL) {
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return -20;
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}
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event_base_dispatch(loop);
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evconnlistener_free(listener);
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event_base_free(loop);
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return 0;
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}
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