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93 lines
1.9 KiB
93 lines
1.9 KiB
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#include <iostream>
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#include<event2/event.h>
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#ifndef _WIN32
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#include <signal.h>
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#endif // !_WIN32
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using namespace std;
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int main()
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{
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#ifdef _WIN32
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//初始化socket库
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WSADATA wsa;
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WSAStartup(MAKEWORD(2, 2), &wsa);
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#else
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if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) { //忽略管道信号，发送数据给已关闭的socket，会飞掉！
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return 1;
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}
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#endif
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//初始化libevent上下文
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event_config *conf = event_config_new();
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//显示支持的网络模式
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const char** methods = event_get_supported_methods();
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cout << "supported_methods" << endl;
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for (int i = 0; methods[i] != NULL; i++) {
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cout << methods[i] << endl;
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}
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//设置特征
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//event_config_require_features(conf, EV_FEATURE_FDS);
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//初始化配置上下文
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event_base* base = event_base_new_with_config(conf);
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if (!base) {
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cout << "event_base_new_with_config failed!" << endl;
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base = event_base_new();
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if (!base) {
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cerr << "event_base_new failed" << endl;
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return 0;
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}
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}
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else {
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//获取当前网络模型
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cout << "current mothed is " << event_base_get_method(base) << endl;
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//确认特征是否生效
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int f = event_base_get_features(base);
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if (f& EV_FEATURE_ET) {
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cout << "EV_FEATURE_ET events are supported" << endl;
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}
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else {
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cout << "EV_FEATURE_ET events are not supported" << endl;
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}
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if (f& EV_FEATURE_O1) {
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cout << "EV_FEATURE_O1 events are supported" << endl;
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}
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else {
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cout << "EV_FEATURE_O1 events are not supported" << endl;
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}
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if (f& EV_FEATURE_FDS) {
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cout << "EV_FEATURE_FDS events are supported" << endl;
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}
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else {
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cout << "EV_FEATURE_FDS events are not supported" << endl;
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}
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if (f& EV_FEATURE_EARLY_CLOSE) {
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cout << "EV_FEATURE_EARLY_CLOSE events are supported" << endl;
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}
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else {
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cout << "EV_FEATURE_EARLY_CLOSE events are not supported" << endl;
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}
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cout << "event_base_new_with_config success!" << endl;
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event_config_free(conf);
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}
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return 0;
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}
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