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/*
net/tcpserver.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <iostream>
#include "sys/sys.h"
#include "net/tcpserver.h"
#include "net/net.h"
namespace net
{
TCPServer::TCPServer(std::string const host, unsigned int const port)
{
tcpserver_fd = -1;
tcpserver_error = true;
con_print << "Initializing network server..." << std::endl;
// initialize socket
tcpserver_fd = ::socket(PF_INET, SOCK_STREAM, 0);
if (tcpserver_fd == -1) {
// FIXME error handling
con_error << "Network can't create socket!" << std::endl;
//perror("socket");
return;
}
// set socket options
socklen_t yes = 1;
if (::setsockopt(tcpserver_fd,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(socklen_t)) == -1) {
// FIXME error handling
std::cerr << "Network can't set socket options!" << std::endl;
//perror("setsockopt");
return;
}
// Get the local adress to bind to
struct sockaddr_in listen_addr;
listen_addr.sin_family = AF_INET;
listen_addr.sin_port = htons(port);
//listen_addr.sin_addr.s_addr = htonl(INADDR_ANY);
listen_addr.sin_addr.s_addr = inet_addr(host.c_str());
memset(listen_addr.sin_zero, '\0', sizeof(listen_addr.sin_zero));
// bind the local address to the socket ( note the typecast)
if (::bind(tcpserver_fd, (struct sockaddr *) &listen_addr, sizeof(struct sockaddr)) == -1) {
// FIXME error handling
con_error << "Network can't bind to local address!" << std::endl;
//perror("bind");
return;
}
// listen
if (::listen(tcpserver_fd, MAXPENDINGCONNECTIONS) == -1) {
// FIXME error handling
con_error << "Network failed to listen on socket!" << std::endl;
//perror("listen");
return;
}
tcpserver_error = false;
con_print << " listening on " << inet_ntoa(listen_addr.sin_addr) <<
":" << ntohs(listen_addr.sin_port) << std::endl;
}
TCPServer::~TCPServer()
{
if (tcpserver_fd != -1)
::close(tcpserver_fd);
//con_debug << "TCPServer: terminated." << std::endl;
}
bool TCPServer::valid() const
{
return (tcpserver_fd != -1);
}
bool TCPServer::invalid() const
{
return (tcpserver_fd == -1);
}
bool TCPServer::error() const
{
return tcpserver_error;
}
int TCPServer::fd() const
{
return tcpserver_fd;
}
void TCPServer::abort()
{
tcpserver_error = true;
}
void TCPServer::accept()
{
//con_debug << "TCPServer: accept()" << std::endl;
struct sockaddr_in client_addr;
socklen_t addrlen = sizeof(struct sockaddr_in);
int clientfd = ::accept(tcpserver_fd, (struct sockaddr *) &client_addr, &addrlen);
if (clientfd == -1) {
// FIXME error handling
con_error << "Network accept() error!" << std::endl;
//perror("accept");
return;
} else {
std::string host(inet_ntoa(client_addr.sin_addr));
int port = client_addr.sin_port;
client_connect(clientfd, host, port);
}
}
}
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