IpSocket.hpp

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// ======================================================================
// \title  IpSocket.hpp
// \author mstarch
// \brief  hpp file for IpSocket core implementation classes
//
// \copyright
// Copyright 2009-2020, by the California Institute of Technology.
// ALL RIGHTS RESERVED.  United States Government Sponsorship
// acknowledged.
//
// ======================================================================
#ifndef DRV_IP_IPHELPER_HPP_
#define DRV_IP_IPHELPER_HPP_
 
#include <FpConfig.hpp>
#include <IpCfg.hpp>
#include <Os/Mutex.hpp>
 
namespace Drv {
enum SocketIpStatus {
    SOCK_SUCCESS = 0,                        
    SOCK_FAILED_TO_GET_SOCKET = -1,          
    SOCK_FAILED_TO_GET_HOST_IP = -2,         
    SOCK_INVALID_IP_ADDRESS = -3,            
    SOCK_FAILED_TO_CONNECT = -4,             
    SOCK_FAILED_TO_SET_SOCKET_OPTIONS = -5,  
    SOCK_INTERRUPTED_TRY_AGAIN = -6,         
    SOCK_READ_ERROR = -7,                    
    SOCK_DISCONNECTED = -8,                  
    SOCK_FAILED_TO_BIND = -9,                
    SOCK_FAILED_TO_LISTEN = -10,             
    SOCK_FAILED_TO_ACCEPT = -11,             
    SOCK_SEND_ERROR = -13,                   
};
 
class IpSocket {
  public:
    IpSocket();
    virtual ~IpSocket(){};
    SocketIpStatus configure(const char* hostname, const U16 port, const U32 send_timeout_seconds,
                             const U32 send_timeout_microseconds);
 
    bool isOpened();
 
    SocketIpStatus open();
    SocketIpStatus send(const U8* const data, const U32 size);
    SocketIpStatus recv(U8* const data, I32& size);
    void close();
 
  PROTECTED:
 
    SocketIpStatus setupTimeouts(NATIVE_INT_TYPE socketFd);
 
    static SocketIpStatus addressToIp4(const char* address, void* ip4);
    virtual SocketIpStatus openProtocol(NATIVE_INT_TYPE& fd) = 0;
    virtual I32 sendProtocol(const U8* const data, const U32 size) = 0;
 
    virtual I32 recvProtocol( U8* const data, const U32 size) = 0;
 
    Os::Mutex m_lock;
    NATIVE_INT_TYPE m_fd;
    U32 m_timeoutSeconds;
    U32 m_timeoutMicroseconds;
    U16 m_port;  
    bool m_open; 
    char m_hostname[SOCKET_MAX_HOSTNAME_SIZE];  
};
}  // namespace Drv
 
#endif /* DRV_SOCKETIPDRIVER_SOCKETHELPER_HPP_ */