tcp_socket.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include "tr/socket.h"
#include "tr/interface/socket.h"
#include "tr/logger.h"
#include "trbase.h"
static
int
tcpSocketCtor(void * _this, va_list * params)
{
TR_TcpSocket this = _this;
TR_PARENTCALL(TR_TcpSocket, _this, TR_Class, ctor, params);
TR_socketType((TR_Socket)this) = SOCK_STREAM;
this->listen = FALSE;
this->connected = FALSE;
return 0;
}
static
int
tcpSocketBind(void * _this)
{
TR_TcpSocket this = _this;
int bind_ret;
TR_PARENTRETCALL(TR_TcpSocket, _this, TR_Socket, bind, bind_ret);
if (bind_ret != 0) {
return -1;
}
if (listen(TR_socketHandle((TR_Socket)this), SOMAXCONN) != 0) {
// error
return -1;
}
this->listen = TRUE;
return 0;
}
static
int
tcpSocketConnect(void * _this)
{
TR_Socket this = _this;
int retval = connect(
this->handle,
(struct sockaddr *)&(this->addr),
this->addrlen);
((TR_TcpSocket)_this)->connected = TRUE;
return retval;
}
static
TR_RemoteData
tcpSocketRecv(TR_Socket this, size_t size)
{
unsigned char buffer[size = size>8192 ? 8192 : size];
TR_RemoteData rdata = NULL;
ssize_t received;
received = recv(this->handle, buffer, size, this->flags);
if (-1 == received) {
rdata = NULL;
} else {
rdata = TR_new(TR_RemoteData, buffer, received, this);
}
return rdata;
}
static
ssize_t
tcpSocketSend(TR_Socket this, TR_RemoteData data)
{
return send(
this->handle,
((TR_SizedData)data)->data,
((TR_SizedData)data)->size,
this->flags);
}
TR_INIT_IFACE(TR_Class, tcpSocketCtor, NULL, NULL);
TR_INIT_IFACE(
TR_Socket,
tcpSocketBind,
tcpSocketConnect,
tcpSocketRecv,
tcpSocketSend);
TR_CREATE_CLASS(
TR_TcpSocket,
TR_Socket,
NULL,
TR_IF(TR_Class),
TR_IF(TR_Socket));
// vim: set ts=4 sw=4: