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// Copyright (C) Intel Corp. 2015. All Rights Reserved.
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// The above copyright notice and this permission notice (including the
// next paragraph) shall be included in all copies or substantial
// portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// **********************************************************************/
// * Authors:
// * Mark Janes <mark.a.janes@intel.com>
// **********************************************************************/
#ifndef OS_GFSOCKET_H_
#define OS_GFSOCKET_H_
#include <string>
#include <vector>
#include "glframe_traits.hpp"
namespace glretrace {
// Socket class abstracts the simplest socket functionality for
// portability. The intention is to have OS-specific implementations.
class Socket : NoAssign, NoCopy, NoMove {
public:
// Client-side constructor: connects to server. For server-side
// sockets, use the ServerSocket class
Socket(const std::string &address, int port);
~Socket();
bool Read(void * buf, int size);
template <typename T> bool Read(T *val) { return Read(val, sizeof(T)); }
template <typename T> bool ReadVec(std::vector<T> *vec) {
return Read(vec->data(), vec->size() * sizeof(T));
}
bool Write(const void * buf, int size);
template <typename T> bool Write(const T &val) {
return Write(&val, sizeof(val));
}
template <typename T> bool WriteVec(const std::vector<T> &vec) {
return Write(vec.data(), sizeof(T) * vec.size());
}
const std::string &Address() const { return m_address; }
private:
friend class ServerSocket;
// this constructor only called by ServerSocket, when connection is
// accepted.
Socket(int fd, const std::string &address)
: m_address(address), m_socket_fd(fd) {}
// address is stored so a server process can query the address of a
// connected client.
const std::string m_address;
int m_socket_fd;
};
// ServerSocket class listens for a single connection, creating a
// server side Socket object. The intention is to have OS-specific
// implementations.
class ServerSocket : NoAssign, NoCopy, NoMove {
public:
// establishes a server, waits for a client to connect
explicit ServerSocket(int port);
~ServerSocket();
Socket *Accept();
// if 0 is passed as port, to choose an unused ephemeral port, then the
// chosen port can be retrieved with GetPort
int GetPort() const;
private:
int m_server_fd;
};
} // namespace glretrace
#endif // OS_GFSOCKET_H_
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