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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2014 Eran Ifrah
// file name : clSocketBase.h
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#ifndef CLSOCKETBASE_H
#define CLSOCKETBASE_H
#include <string>
#include <sys/param.h>
#include <wx/msgqueue.h>
#include <wx/sharedptr.h>
#include <wx/string.h>
#if defined(__WXOSX__) || defined(BSD)
#include <sys/errno.h>
#endif
#include "codelite_exports.h"
#include "wx/defs.h"
#ifdef __WINDOWS__ // __WINDOWS__ defined by wx/defs.h
// includes windows.h and if wxUSE_WINSOCK2 is true includes winsock2.h
#include "wx/msw/wrapwin.h"
typedef SOCKET socket_t;
typedef int socklen_t;
#else
typedef int socket_t;
#define INVALID_SOCKET -1
#endif
class WXDLLIMPEXP_CL clSocketException
{
std::string m_what;
public:
clSocketException(const std::string& what)
: m_what(what)
{
// trim whitespaces
static std::string trimString("\r\n\t\v ");
m_what.erase(0, m_what.find_first_not_of(trimString));
m_what.erase(m_what.find_last_not_of(trimString) + 1);
}
~clSocketException() {}
const std::string& what() const { return m_what; }
};
class WXDLLIMPEXP_CL clSocketBase
{
protected:
socket_t m_socket = INVALID_SOCKET;
bool m_closeOnExit = true;
public:
typedef wxSharedPtr<clSocketBase> Ptr_t;
typedef wxMessageQueue<clSocketBase::Ptr_t> Queue_t;
enum {
kSuccess = 1,
kTimeout = 2,
kError = 3,
};
#ifdef _WIN32
static const int eWouldBlock = WSAEWOULDBLOCK;
#else
static const int eWouldBlock = EWOULDBLOCK;
#endif
static int GetLastError();
static std::string error();
static std::string error(const int errorCode);
public:
/**
* @brief set the socket into blocking/non-blocking mode
* @param blocking
*/
void MakeSocketBlocking(bool blocking);
clSocketBase(socket_t sockfd = INVALID_SOCKET);
virtual ~clSocketBase();
void SetCloseOnExit(bool closeOnExit) { this->m_closeOnExit = closeOnExit; }
bool IsCloseOnExit() const { return m_closeOnExit; }
/**
* @brief return the descriptor and clear this socket.
*/
socket_t Release();
/**
* @brief initialize the socket library
*/
static void Initialize();
socket_t GetSocket() const { return m_socket; }
/**
* @brief use user socket handle
*/
void SetSocket(socket_t socket);
/**
* @brief
* @param msg
*/
void Send(const std::string& msg);
void Send(const wxMemoryBuffer& msg);
void Send(const wxString& msg, const wxMBConv& conv = wxConvUTF8);
/**
* @brief
* @return
*/
int Read(char* buffer, size_t bufferSize, size_t& bytesRead, long timeout = -1);
/**
* @brief read string content from remote server
* @param content [output]
* @param timeout seconds to wait
*/
int Read(wxString& content, const wxMBConv& conv = wxConvUTF8, long timeout = -1);
/**
* @brief read a buffer from the socket
* @param content [output]
* @param timeout seconds to wait
*/
int Read(wxMemoryBuffer& content, long timeout = -1);
/**
* @brief
* @param seconds
* @return
*/
int SelectRead(long seconds = -1);
/**
* @brief select for read. Same as above, but use milli seconds instead
* @param milliSeconds number of _milliseconds_ to wait
* @return
*/
int SelectReadMS(long milliSeconds = -1);
/**
* @brief select for write
* @return
*/
int SelectWrite(long seconds = -1);
/**
* @brief select for write (milli seconds version)
* @return
*/
int SelectWriteMS(long milliSeconds = -1);
/**
* @brief read a full message that was sent with 'SendMessage'
* @param message
* @param timeout seconds to wait
* @return kSuccess, kTimeout or kError
*/
int ReadMessage(wxString& message, int timeout);
/**
* @brief write a full message
* @param message
*/
void WriteMessage(const wxString& message);
protected:
/**
* @brief
*/
void DestroySocket();
};
#endif // CLSOCKETBASE_H
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