i_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 "tr/interface/socket.h"
#include "tr/remote_data.h"
#include "trbase.h"
TR_CREATE_INTERFACE(TR_Socket, 4);
int
TR_socketBindAction(void * _this)
{
int callret;
TR_RETCALL(_this, TR_Socket, bind, callret);
return callret;
}
int
TR_socketConnectAction(void * _this)
{
int callret;
TR_RETCALL(_this, TR_Socket, connect, callret);
return callret;
}
TR_RemoteData
TR_socketRecv(void * _this, size_t size)
{
TR_RemoteData remote_data;
TR_RETCALL(_this, TR_Socket, recv, remote_data, size);
if (! remote_data) {
switch (errno) {
case (EAGAIN|EWOULDBLOCK):
TR_delete(remote_data);
return TR_emptyRemoteData;
case EINTR:
case ENOMEM:
// these are fatal and should lead to a shutown
// of the whole application...
TR_delete(remote_data);
return NULL;
default:
TR_delete(remote_data);
return NULL;
}
} else if (((TR_SizedData)remote_data)->size == 0) {
// this is a remote close...
TR_delete(remote_data);
return (void*)-1;
}
return remote_data;
}
ssize_t
TR_socketSend(void * _this, TR_RemoteData data)
{
ssize_t size;
TR_RETCALL(_this, TR_Socket, send, size, data);
TR_delete(data);
if (size < 0) {
switch (errno) {
case EINTR:
case ENOMEM:
// these are fatal and should lead to a shutown
// of the whole application...
return 0;
case (EAGAIN|EWOULDBLOCK):
return -1;
case ECONNRESET:
// this is a remote close...
return -2;
default:
return -2;
}
}
return size;
}
// vim: set ts=4 sw=4: