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server.cpp
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server.cpp
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#include "Scheduler.h"
#include "Timer.h"
#include "IOManager.h"
// #include "Hook.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <iostream>
#include <stack>
#include <string.h>
static int sock_listen_fd = -1;
void test_accept();
void error(char *msg)
{
perror(msg);
printf("erreur....\n");
exit(1);
}
void watch_io_read()
{
IOManager::GetThis()->addEvent(sock_listen_fd, IOManager::READ, test_accept);
}
void test_accept()
{ // 回声服务器
sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
socklen_t len = sizeof(addr);
int fd = accept(sock_listen_fd, reinterpret_cast<sockaddr *>(&addr), &len);
errno;
if (fd < 0)
{
std::cout << "fd ==" << fd << "accept false" << std::endl;
}
else
{
std::cout<<"accept successful"<<std::endl;
fcntl(fd, F_SETFL, O_NONBLOCK);
IOManager::GetThis()->addEvent(fd, IOManager::READ, [fd]()
{
char buffer[1024];
memset(buffer, 0, sizeof(buffer));
for(;;)
{
int ret = read(fd, buffer, sizeof(buffer));
if(ret > 0)
{
ret = write(fd, buffer, sizeof(buffer));
}
if(ret <= 0)
{
if(errno == EAGAIN) continue;
close(fd);
break;
}
} });
}
IOManager::GetThis()->schedule(watch_io_read);
}
void test_IOmanager()
{
int portno = 9000;
sockaddr_in server_addr, client_addr;
socklen_t client_len = sizeof(client_addr);
sock_listen_fd = socket(AF_INET, SOCK_STREAM, 0);
if (sock_listen_fd < 0)
{
std::cerr << "Error creating socket listen-fd." << std::endl;
exit(0);
}
int yes = 1;
setsockopt(sock_listen_fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
memset(reinterpret_cast<char *>(&server_addr), 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
server_addr.sin_port = htons(portno);
if (bind(sock_listen_fd, reinterpret_cast<sockaddr *>(&server_addr), sizeof(server_addr)) < 0)
{
std::cerr << "Error creating socket listen-fd." << std::endl;
exit(0);
}
printf("epoll echo server listening for connetions on port : %d\n", portno);
if (listen(sock_listen_fd, 1) == -1)
{
std::cerr << "Error listen socket listen-fd." << std::endl;
exit(0);
}
fcntl(sock_listen_fd, F_SETFL, O_NONBLOCK);
IOManager::GetThis()->addEvent(sock_listen_fd, IOManager::READ, test_accept);
}
int main(int argc, char *argv[])
{
IOManager iom;
iom.schedule(test_IOmanager);
for(;;);
return 0;
}