2020-02-04 08:57:35 +01:00

56 lines
1.6 KiB
C++
Executable File

#include "ServerInterface.h"
#include "ServerSocket.h"
#include "DataSocket.h"
#include "logger.h"
#include "sls_detector_defs.h"
#include "sls_detector_exceptions.h"
#include "string_utils.h"
#include <arpa/inet.h>
#include <cstring>
#include <iostream>
#include <stdexcept>
#include <unistd.h>
#define DEFAULT_PACKET_SIZE 1286
#define SOCKET_BUFFER_SIZE (100 * 1024 * 1024) // 100 MB
#define DEFAULT_BACKLOG 5
namespace sls {
ServerSocket::ServerSocket(int port)
: DataSocket(socket(AF_INET, SOCK_STREAM, 0)), serverPort(port) {
struct sockaddr_in serverAddr;
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(port);
serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(getSocketId(), (struct sockaddr *)&serverAddr,
sizeof(serverAddr)) != 0) {
close();
throw sls::SocketError("Server ERROR: cannot bind socket. Please check if another instance is running.");
}
if (listen(getSocketId(), DEFAULT_BACKLOG) != 0) {
close();
throw std::runtime_error("Server ERROR: cannot listen to socket");
}
}
ServerInterface ServerSocket::accept() {
lastClient = thisClient; //update from previous connection
struct sockaddr_in clientAddr;
socklen_t addr_size = sizeof clientAddr;
int newSocket =
::accept(getSocketId(), (struct sockaddr *)&clientAddr, &addr_size);
if (newSocket == -1) {
throw sls::SocketError("Server ERROR: socket accept failed\n");
}
char tc[INET_ADDRSTRLEN]{};
inet_ntop(AF_INET, &(clientAddr.sin_addr), tc, INET_ADDRSTRLEN);
thisClient = IpAddr{tc};
return ServerInterface(newSocket);
}
}; // namespace sls