socket_client_pos.hpp

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/*****************************************************************************
** Ifdefs
*****************************************************************************/

#ifndef ECL_DEVICES_SOCKET_CLIENT_POS_HPP_
#define ECL_DEVICES_SOCKET_CLIENT_POS_HPP_

/*****************************************************************************
** Cross platform
*****************************************************************************/

#include <ecl/config/ecl.hpp>
#ifndef ECL_IS_MAC
#ifdef ECL_IS_POSIX


/*****************************************************************************
** Includes
*****************************************************************************/

#include <arpa/inet.h> // inet_addr()
#include <errno.h>
#include <string>
#include <sys/ioctl.h> // used in remaining()
#include <sys/socket.h>
#include <ecl/exceptions/macros.hpp>
#include <ecl/exceptions/standard_exception.hpp>
#include "socket_connection_status.hpp"
#include "detail/socket_error_handler_pos.hpp"
#include "traits.hpp"

/*****************************************************************************
** Namespaces
*****************************************************************************/

namespace ecl {

/*****************************************************************************
** Interface [SocketClient]
*****************************************************************************/
class SocketClient {
public:
        /*********************
        ** C&D
        **********************/
        SocketClient() : is_open(false), error_handler(NoError) {}; 
        SocketClient(const std::string &host_name, const unsigned int &port_number = 5555) ecl_throw_decl(StandardException);
        virtual ~SocketClient() { close(); } 
        /*********************
        ** Configuration
        **********************/
        bool open( const std::string &hostname, const unsigned int& port_number ) ecl_throw_decl(StandardException);
        void close(); 
        bool open() const { return is_open; }

        /*********************
        ** Writing
        **********************/
        long write(const char &c) ecl_debug_throw_decl(StandardException);

        long write(const char *s, unsigned long n) ecl_debug_throw_decl(StandardException);

        void flush() {}

        /*********************
        ** Reading
        **********************/
        long remaining();
    long read(char &c) ecl_debug_throw_decl(StandardException);
    long read(char *s, const unsigned long &n) ecl_debug_throw_decl(StandardException);
    long peek(char*s, const unsigned long &n) ecl_debug_throw_decl(StandardException);

        const Error& error() const { return error_handler; }

private:
    std::string hostname;
    int port;
    int socket_fd;
    bool is_open;
    ecl::Error error_handler;
};

/*****************************************************************************
** Traits [Serial]
*****************************************************************************/
template <>
class is_sink<SocketClient> : public True {};

template <>
class is_source<SocketClient> : public True {};

template <>
class is_sourcesink<SocketClient> : public True {};

} // namespace ecl

#endif  /* ECL_IS_POSIX */
#endif  /* !ECL_IS_MAC */

#endif /* ECL_DEVICES_SOCKET_CLIENT_POS_HPP_ */