nextcloud-desktop/shell_integration/windows/OCShellExtensions/OCUtil/CommunicationSocket.cpp
2014-07-30 17:20:55 +02:00

127 lines
2.7 KiB
C++

/**
* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
#include "CommunicationSocket.h"
#include "UtilConstants.h"
#include "StringUtil.h"
#include <WinSock2.h>
#include <Ws2def.h>
#include <windows.h>
#include <iostream>
#include <vector>
#include <fstream>
#define BUFSIZE 1024
using namespace std;
#define DEFAULT_BUFLEN 4096
CommunicationSocket::CommunicationSocket(int port)
: _port(port), _clientSocket(INVALID_SOCKET)
{
}
CommunicationSocket::~CommunicationSocket()
{
Close();
}
bool CommunicationSocket::Close()
{
WSACleanup();
bool closed = (closesocket(_clientSocket) == 0);
shutdown(_clientSocket, SD_BOTH);
_clientSocket = INVALID_SOCKET;
return closed;
}
bool CommunicationSocket::Connect()
{
WSADATA wsaData;
HRESULT iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != NO_ERROR) {
int error = WSAGetLastError();
}
_clientSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (_clientSocket == INVALID_SOCKET) {
//int error = WSAGetLastError();
Close();
return false;
}
struct sockaddr_in clientService;
clientService.sin_family = AF_INET;
clientService.sin_addr.s_addr = inet_addr(PLUG_IN_SOCKET_ADDRESS);
clientService.sin_port = htons(_port);
iResult = connect(_clientSocket, (SOCKADDR*)&clientService, sizeof(clientService));
if (iResult == SOCKET_ERROR) {
//int error = WSAGetLastError();
Close();
return false;
}
return true;
}
bool CommunicationSocket::SendMsg(const wchar_t* message)
{
const char* utf8_msg = StringUtil::toUtf8(message);
size_t result = send(_clientSocket, utf8_msg, (int)strlen(utf8_msg), 0);
delete[] utf8_msg;
if (result == SOCKET_ERROR) {
//int error = WSAGetLastError();
closesocket(_clientSocket);
return false;
}
return true;
}
bool CommunicationSocket::ReadLine(wstring* response)
{
if (!response) {
return false;
}
vector<char> resp_utf8;
char buffer;
while (true) {
int bytesRead = recv(_clientSocket, &buffer, 1, 0);
if (bytesRead <= 0) {
response = 0;
return false;
}
if (buffer == '\n') {
resp_utf8.push_back(0);
*response = StringUtil::toUtf16(&resp_utf8[0], resp_utf8.size());
return true;
} else {
resp_utf8.push_back(buffer);
}
}
}