pjsip-pjproject/pjlib/include/pj++/sock.hpp

444 lines
8.4 KiB
C++

/*
* Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJPP_SOCK_HPP__
#define __PJPP_SOCK_HPP__
#include <pj/sock.h>
#include <pj/string.h>
class Pj_Event_Handler;
//
// Base class for address.
//
class Pj_Addr
{
};
//
// Internet address.
//
class Pj_Inet_Addr : public pj_sockaddr_in, public Pj_Addr
{
public:
//
// Get port number.
//
pj_uint16_t get_port_number() const
{
return pj_sockaddr_in_get_port(this);
}
//
// Set port number.
//
void set_port_number(pj_uint16_t port)
{
sin_family = PJ_AF_INET;
pj_sockaddr_in_set_port(this, port);
}
//
// Get IP address.
//
pj_uint32_t get_ip_address() const
{
return pj_sockaddr_in_get_addr(this).s_addr;
}
//
// Get address string.
//
const char *get_address() const
{
return pj_inet_ntoa(sin_addr);
}
//
// Set IP address.
//
void set_ip_address(pj_uint32_t addr)
{
sin_family = PJ_AF_INET;
pj_sockaddr_in_set_addr(this, addr);
}
//
// Set address.
//
pj_status_t set_address(const pj_str_t *addr)
{
return pj_sockaddr_in_set_str_addr(this, addr);
}
//
// Set address.
//
pj_status_t set_address(const char *addr)
{
pj_str_t s;
return pj_sockaddr_in_set_str_addr(this, pj_cstr(&s, addr));
}
//
// Compare for equality.
//
bool operator==(const Pj_Inet_Addr &rhs) const
{
return sin_family == rhs.sin_family &&
sin_addr.s_addr == rhs.sin_addr.s_addr &&
sin_port == rhs.sin_port;
}
private:
//
// Dummy length used in pj_ioqueue_recvfrom() etc
//
friend class Pj_Event_Handler;
friend class Pj_Socket;
friend class Pj_Sock_Stream;
friend class Pj_Sock_Dgram;
int addrlen_;
};
//
// Socket base class.
//
// Note:
// socket will not automatically be closed on destructor.
//
class Pj_Socket
{
public:
//
// Default constructor.
//
Pj_Socket()
: sock_(PJ_INVALID_SOCKET)
{
}
//
// Initialize from a socket handle.
//
explicit Pj_Socket(pj_sock_t sock)
: sock_(sock)
{
}
//
// Copy constructor.
//
Pj_Socket(const Pj_Socket &rhs)
: sock_(rhs.sock_)
{
}
//
// Destructor will not close the socket.
// You must call close() explicitly.
//
~Pj_Socket()
{
}
//
// Set socket handle.
//
void set_handle(pj_sock_t sock)
{
sock_ = sock;
}
//
// Get socket handle.
//
pj_sock_t get_handle() const
{
return sock_;
}
//
// Get socket handle.
//
pj_sock_t& get_handle()
{
return sock_;
}
//
// See if the socket is valid.
//
bool is_valid() const
{
return sock_ != PJ_INVALID_SOCKET;
}
//
// Create the socket.
//
pj_status_t create(int af, int type, int proto)
{
return pj_sock_socket(af, type, proto, &sock_);
}
//
// Bind socket.
//
pj_status_t bind(const Pj_Inet_Addr &addr)
{
return pj_sock_bind(sock_, &addr, sizeof(Pj_Inet_Addr));
}
//
// Close socket.
//
pj_status_t close()
{
pj_sock_close(sock_);
}
//
// Get peer socket name.
//
pj_status_t getpeername(Pj_Inet_Addr *addr)
{
return pj_sock_getpeername(sock_, addr, &addr->addrlen_);
}
//
// getsockname
//
pj_status_t getsockname(Pj_Inet_Addr *addr)
{
return pj_sock_getsockname(sock_, addr, &addr->addrlen_);
}
//
// getsockopt.
//
pj_status_t getsockopt(pj_uint16_t level, pj_uint16_t optname,
void *optval, int *optlen)
{
return pj_sock_getsockopt(sock_, level, optname, optval, optlen);
}
//
// setsockopt
//
pj_status_t setsockopt(pj_uint16_t level, pj_uint16_t optname,
const void *optval, int optlen)
{
return pj_sock_setsockopt(sock_, level, optname, optval, optlen);
}
//
// receive data.
//
pj_ssize_t recv(void *buf, pj_size_t len, int flag = 0)
{
pj_ssize_t bytes = len;
if (pj_sock_recv(sock_, buf, &bytes, flag) != PJ_SUCCESS)
return -1;
return bytes;
}
//
// send data.
//
pj_ssize_t send(const void *buf, pj_ssize_t len, int flag = 0)
{
pj_ssize_t bytes = len;
if (pj_sock_send(sock_, buf, &bytes, flag) != PJ_SUCCESS)
return -1;
return bytes;
}
//
// connect.
//
pj_status_t connect(const Pj_Inet_Addr &addr)
{
return pj_sock_connect(sock_, &addr, sizeof(Pj_Inet_Addr));
}
//
// assignment.
//
Pj_Socket &operator=(const Pj_Socket &rhs)
{
sock_ = rhs.sock_;
return *this;
}
protected:
friend class Pj_Event_Handler;
pj_sock_t sock_;
};
#if PJ_HAS_TCP
//
// Stream socket.
//
class Pj_Sock_Stream : public Pj_Socket
{
public:
//
// Default constructor.
//
Pj_Sock_Stream()
{
}
//
// Initialize from a socket handle.
//
explicit Pj_Sock_Stream(pj_sock_t sock)
: Pj_Socket(sock)
{
}
//
// Copy constructor.
//
Pj_Sock_Stream(const Pj_Sock_Stream &rhs) : Pj_Socket(rhs)
{
}
//
// Assignment.
//
Pj_Sock_Stream &operator=(const Pj_Sock_Stream &rhs)
{
sock_ = rhs.sock_;
return *this;
}
//
// listen()
//
pj_status_t listen(int backlog = 5)
{
return pj_sock_listen(sock_, backlog);
}
//
// blocking accept()
//
Pj_Sock_Stream accept(Pj_Inet_Addr *remote_addr = NULL)
{
pj_sock_t newsock;
int *addrlen = remote_addr ? &remote_addr->addrlen_ : NULL;
pj_status_t status;
status = pj_sock_accept(sock_, &newsock, remote_addr, addrlen);
if (status != PJ_SUCCESS)
return Pj_Sock_Stream(-1);
return Pj_Sock_Stream(newsock);
}
//
// shutdown()
//
pj_status_t shutdown(int how = PJ_SHUT_RDWR)
{
return pj_sock_shutdown(sock_, how);
}
};
#endif
//
// Datagram socket.
//
class Pj_Sock_Dgram : public Pj_Socket
{
public:
//
// Default constructor.
//
Pj_Sock_Dgram()
{
}
//
// Initialize from a socket handle.
//
explicit Pj_Sock_Dgram(pj_sock_t sock)
: Pj_Socket(sock)
{
}
//
// Copy constructor.
//
Pj_Sock_Dgram(const Pj_Sock_Dgram &rhs)
: Pj_Socket(rhs)
{
}
//
// Assignment.
//
Pj_Sock_Dgram &operator=(const Pj_Sock_Dgram &rhs)
{
Pj_Socket::operator =(rhs);
return *this;
}
//
// recvfrom()
//
pj_ssize_t recvfrom( void *buf, pj_size_t len, int flag = 0,
Pj_Inet_Addr *fromaddr = NULL)
{
pj_ssize_t bytes = len;
int *addrlen = fromaddr ? &fromaddr->addrlen_ : NULL;
if (pj_sock_recvfrom( sock_, buf, &bytes, flag,
fromaddr, addrlen) != PJ_SUCCESS)
{
return -1;
}
return bytes;
}
//
// sendto()
//
pj_ssize_t sendto( const void *buf, pj_size_t len, int flag,
const Pj_Inet_Addr &addr)
{
pj_ssize_t bytes = len;
if (pj_sock_sendto( sock_, buf, &bytes, flag,
&addr, sizeof(pj_sockaddr_in)) != PJ_SUCCESS)
{
return -1;
}
return bytes;
}
};
#endif /* __PJPP_SOCK_HPP__ */