// ======================================================================== //
// Copyright 2009-2017 Intel Corporation                                    //
//                                                                          //
// Licensed under the Apache License, Version 2.0 (the "License");          //
// you may not use this file except in compliance with the License.         //
// You may obtain a copy of the License at                                  //
//                                                                          //
//     http://www.apache.org/licenses/LICENSE-2.0                           //
//                                                                          //
// Unless required by applicable law or agreed to in writing, software      //
// distributed under the License is distributed on an "AS IS" BASIS,        //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and      //
// limitations under the License.                                           //
// ======================================================================== //

#pragma once

#include "platform.h"

namespace embree
{
  namespace network
  {
    /*! type for a socket */
    typedef struct opaque_socket_t* socket_t;

    /*! exception thrown when other side disconnects */
    struct Disconnect : public std::exception {
      virtual const char* what() const throw() {
        return "network disconnect";
      }
    };

    /*! creates a socket bound to a port */
    socket_t bind(unsigned short port);
    
    /*! listens for an incoming connection and accepts that connection */
    socket_t listen(socket_t sockfd);
    
    /*! initiates a connection */
    socket_t connect(const char* host, unsigned short port);
    
    /*! read data from the socket */
    void read(socket_t socket, void* data, size_t bytes);

    /*! write data to the socket */
    void write(socket_t socket, const void* data, size_t bytes);

    /*! flushes the write buffer */
    void flush(socket_t socket);
    
    /*! close a socket */
    void close(socket_t socket);

    /*! reads a bool from the socket */
    bool read_bool(socket_t socket);

    /*! reads a character from the socket */
    char read_char(socket_t socket);

    /*! reads an integer from the socket */
    int read_int(socket_t socket);

    /*! reads a float from the socket */
    float read_float(socket_t socket);

    /*! reads a string from the socket */
    std::string read_string(socket_t socket);

    /*! writes a bool to the socket */
    void write(socket_t socket, bool value);

    /*! writes a character to the socket */
    void write(socket_t socket, char value);

    /*! writes an integer to the socket */
    void write(socket_t socket, int value);

    /*! writes a float to the socket */
    void write(socket_t socket, float value);

    /*! writes a string to the socket */
    void write(socket_t socket, const std::string& str);
  }
}