mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
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62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// SPDX-License-Identifier: LGPL-3.0-or-other
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// Copyright (C) 2021 Contributors to the SLS Detector Package
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#include "sls/ServerSocket.h"
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#include "sls/ServerInterface.h"
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#include "sls/DataSocket.h"
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#include "sls/logger.h"
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#include "sls/sls_detector_defs.h"
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#include "sls/sls_detector_exceptions.h"
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#include "sls/string_utils.h"
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#include <arpa/inet.h>
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#include <cstring>
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#include <iostream>
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#include <stdexcept>
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#include <unistd.h>
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namespace sls {
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#define DEFAULT_PACKET_SIZE 1286
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#define SOCKET_BUFFER_SIZE (100 * 1024 * 1024) // 100 MB
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#define DEFAULT_BACKLOG 5
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ServerSocket::ServerSocket(int port)
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: DataSocket(socket(AF_INET, SOCK_STREAM, 0)), serverPort(port) {
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struct sockaddr_in serverAddr;
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serverAddr.sin_family = AF_INET;
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serverAddr.sin_port = htons(port);
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serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(getSocketId(), (struct sockaddr *)&serverAddr,
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sizeof(serverAddr)) != 0) {
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close();
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throw SocketError(
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std::string("Server ERROR: cannot bind socket with port number ") +
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std::to_string(port) +
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std::string(". Please check if another instance is running."));
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}
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if (listen(getSocketId(), DEFAULT_BACKLOG) != 0) {
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close();
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throw std::runtime_error("Server ERROR: cannot listen to socket");
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}
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}
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ServerInterface ServerSocket::accept() {
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lastClient = thisClient; // update from previous connection
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struct sockaddr_in clientAddr;
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socklen_t addr_size = sizeof clientAddr;
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int newSocket =
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::accept(getSocketId(), (struct sockaddr *)&clientAddr, &addr_size);
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if (newSocket == -1) {
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throw SocketError("Server ERROR: socket accept failed\n");
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}
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char tc[INET_ADDRSTRLEN]{};
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inet_ntop(AF_INET, &(clientAddr.sin_addr), tc, INET_ADDRSTRLEN);
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thisClient = IpAddr{tc};
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return ServerInterface(newSocket);
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}
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}; // namespace sls
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