emsApplication/3rdPartner/libhv/evpp/TcpClientEventLoop_test.cpp

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2024-05-24 12:19:45 +08:00
/*
* TcpClientEventLoop_test.cpp
*
* @build make evpp
* @server bin/TcpServer_test 1234
* @client bin/TcpClientEventLoop_test 1234
*
*/
#include <iostream>
#include "TcpClient.h"
#include "htime.h"
#define TEST_RECONNECT 1
#define TEST_TLS 0
using namespace hv;
class MyTcpClient : public TcpClient {
public:
MyTcpClient(EventLoopPtr loop = NULL) : TcpClient(loop) {
onConnection = [this](const SocketChannelPtr& channel) {
std::string peeraddr = channel->peeraddr();
if (channel->isConnected()) {
printf("connected to %s! connfd=%d\n", peeraddr.c_str(), channel->fd());
// send(time) every 3s
setInterval(3000, [channel](TimerID timerID){
if (channel->isConnected()) {
if (channel->isWriteComplete()) {
char str[DATETIME_FMT_BUFLEN] = {0};
datetime_t dt = datetime_now();
datetime_fmt(&dt, str);
channel->write(str);
}
} else {
killTimer(timerID);
}
});
} else {
printf("disconnected to %s! connfd=%d\n", peeraddr.c_str(), channel->fd());
}
if (isReconnect()) {
printf("reconnect cnt=%d, delay=%d\n", reconn_setting->cur_retry_cnt, reconn_setting->cur_delay);
}
};
onMessage = [](const SocketChannelPtr& channel, Buffer* buf) {
printf("< %.*s\n", (int)buf->size(), (char*)buf->data());
};
}
int connect(int port) {
int connfd = createsocket(port);
if (connfd < 0) {
return connfd;
}
#if TEST_RECONNECT
// reconnect: 1,2,4,8,10,10,10...
reconn_setting_t reconn;
reconn_setting_init(&reconn);
reconn.min_delay = 1000;
reconn.max_delay = 10000;
reconn.delay_policy = 2;
setReconnect(&reconn);
#endif
#if TEST_TLS
withTLS();
#endif
printf("client connect to port %d, connfd=%d ...\n", port, connfd);
start();
return connfd;
}
};
typedef std::shared_ptr<MyTcpClient> MyTcpClientPtr;
int TestMultiClientsRunInOneEventLoop(int port, int nclients) {
auto loop_thread = std::make_shared<EventLoopThread>();
loop_thread->start();
std::map<int, MyTcpClient*> clients;
for (int i = 0; i < nclients; ++i) {
MyTcpClient* client = new MyTcpClient(loop_thread->loop());
client->connect(port);
clients[i] = client;
}
std::string str;
while (std::getline(std::cin, str)) {
if (str == "close") {
for (auto& pair : clients) {
MyTcpClient* client = pair.second;
client->closesocket();
}
} else if (str == "delete") {
for (auto& pair : clients) {
MyTcpClient* client = pair.second;
client->deleteInLoop();
}
break;
} else {
for (auto& pair : clients) {
MyTcpClient* client = pair.second;
client->send(str);
}
}
}
printf("Press Enter key to exit loop.\n");
while (getchar() != '\n');
loop_thread->stop();
loop_thread->join();
return 0;
}
int main(int argc, char* argv[]) {
if (argc < 2) {
printf("Usage: %s port [nclients]\n", argv[0]);
return -10;
}
int port = atoi(argv[1]);
int nclients = 100;
if (argc > 2) {
nclients = atoi(argv[2]);
}
return TestMultiClientsRunInOneEventLoop(port, nclients);
}