Removing unnecessary additional directory level.
git-svn-id: https://pupnp.svn.sourceforge.net/svnroot/pupnp/trunk@29 119443c7-1b9e-41f8-b6fc-b9c35fce742c
This commit is contained in:
Marcelo Roberto Jimenez
313
upnp/src/genlib/net/sock.c
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313
upnp/src/genlib/net/sock.c
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000-2003 Intel Corporation
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither name of Intel Corporation nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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/************************************************************************
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* Purpose: This file implements the sockets functionality
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************************************************************************/
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#include "config.h"
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#include <assert.h>
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#include <errno.h>
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#include <time.h>
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#include <string.h>
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#include "sock.h"
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#include "upnp.h"
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#ifndef WIN32
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <unistd.h>
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#else
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#include <winsock2.h>
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#endif
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#include "unixutil.h"
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/************************************************************************
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* Function : sock_init
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*
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* Parameters :
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* OUT SOCKINFO* info ; Socket Information Object
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* IN int sockfd ; Socket Descriptor
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*
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* Description : Assign the passed in socket descriptor to socket
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* descriptor in the SOCKINFO structure.
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*
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* Return : int;
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* UPNP_E_SUCCESS
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* UPNP_E_OUTOF_MEMORY
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* UPNP_E_SOCKET_ERROR
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*
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* Note :
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************************************************************************/
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int
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sock_init( OUT SOCKINFO * info,
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IN int sockfd )
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{
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assert( info );
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memset( info, 0, sizeof( SOCKINFO ) );
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info->socket = sockfd;
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return UPNP_E_SUCCESS;
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}
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/************************************************************************
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* Function : sock_init_with_ip
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*
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* Parameters :
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* OUT SOCKINFO* info ; Socket Information Object
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* IN int sockfd ; Socket Descriptor
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* IN struct in_addr foreign_ip_addr ; Remote IP Address
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* IN unsigned short foreign_ip_port ; Remote Port number
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*
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* Description : Calls the sock_init function and assigns the passed in
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* IP address and port to the IP address and port in the SOCKINFO
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* structure.
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*
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* Return : int;
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* UPNP_E_SUCCESS
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* UPNP_E_OUTOF_MEMORY
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* UPNP_E_SOCKET_ERROR
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*
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* Note :
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************************************************************************/
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int
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sock_init_with_ip( OUT SOCKINFO * info,
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IN int sockfd,
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IN struct in_addr foreign_ip_addr,
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IN unsigned short foreign_ip_port )
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{
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int ret;
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ret = sock_init( info, sockfd );
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if( ret != UPNP_E_SUCCESS ) {
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return ret;
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}
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info->foreign_ip_addr = foreign_ip_addr;
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info->foreign_ip_port = foreign_ip_port;
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return UPNP_E_SUCCESS;
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}
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/************************************************************************
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* Function : sock_destroy
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*
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* Parameters :
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* INOUT SOCKINFO* info ; Socket Information Object
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* int ShutdownMethod ; How to shutdown the socket. Used by
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* sockets's shutdown()
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*
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* Description : Shutsdown the socket using the ShutdownMethod to
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* indicate whether sends and receives on the socket will be
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* dis-allowed. After shutting down the socket, closesocket is called
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* to release system resources used by the socket calls.
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*
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* Return : int;
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* UPNP_E_SOCKET_ERROR on failure
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* UPNP_E_SUCCESS on success
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*
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* Note :
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************************************************************************/
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int
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sock_destroy( INOUT SOCKINFO * info,
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int ShutdownMethod )
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{
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shutdown( info->socket, ShutdownMethod );
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if( UpnpCloseSocket( info->socket ) == -1 ) {
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return UPNP_E_SOCKET_ERROR;
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}
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return UPNP_E_SUCCESS;
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}
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/************************************************************************
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* Function : sock_read_write
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*
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* Parameters :
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* IN SOCKINFO *info ; Socket Information Object
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* OUT char* buffer ; Buffer to get data to or send data from
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* IN size_t bufsize ; Size of the buffer
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* IN int *timeoutSecs ; timeout value
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* IN xboolean bRead ; Boolean value specifying read or write option
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*
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* Description : Receives or sends data. Also returns the time taken
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* to receive or send data.
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*
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* Return :int ;
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* numBytes - On Success, no of bytes received or sent
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* UPNP_E_TIMEDOUT - Timeout
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* UPNP_E_SOCKET_ERROR - Error on socket calls
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*
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* Note :
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************************************************************************/
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static int
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sock_read_write( IN SOCKINFO * info,
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OUT char *buffer,
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IN size_t bufsize,
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IN int *timeoutSecs,
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IN xboolean bRead )
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{
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int retCode;
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fd_set readSet;
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fd_set writeSet;
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struct timeval timeout;
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int numBytes;
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time_t start_time = time( NULL );
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int sockfd = info->socket;
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long bytes_sent = 0,
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byte_left = 0,
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num_written;
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if( *timeoutSecs < 0 ) {
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return UPNP_E_TIMEDOUT;
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}
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FD_ZERO( &readSet );
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FD_ZERO( &writeSet );
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if( bRead ) {
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FD_SET( ( unsigned )sockfd, &readSet );
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} else {
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FD_SET( ( unsigned )sockfd, &writeSet );
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}
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timeout.tv_sec = *timeoutSecs;
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timeout.tv_usec = 0;
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while( TRUE ) {
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if( *timeoutSecs == 0 ) {
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retCode =
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select( sockfd + 1, &readSet, &writeSet, NULL, NULL );
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} else {
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retCode =
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select( sockfd + 1, &readSet, &writeSet, NULL, &timeout );
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}
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if( retCode == 0 ) {
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return UPNP_E_TIMEDOUT;
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}
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if( retCode == -1 ) {
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if( errno == EINTR )
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continue;
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return UPNP_E_SOCKET_ERROR; // error
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} else {
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break; // read or write
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}
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}
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if( bRead ) {
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// read data
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numBytes = recv( sockfd, buffer, bufsize,0); // MSG_NOSIGNAL is not a good idea in portable code, here SIGPIPE/SIGEPIPE has to be used instead
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} else {
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byte_left = bufsize;
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bytes_sent = 0;
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while( byte_left > 0 ) {
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// write data
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num_written =
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send( sockfd, buffer + bytes_sent, byte_left,
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MSG_DONTROUTE); // | MSG_NOSIGNAL is not a good idea in portable code, here SIGPIPE/SIGEPIPE has to be used instead
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if( num_written == -1 ) {
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return num_written;
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}
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byte_left = byte_left - num_written;
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bytes_sent += num_written;
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}
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numBytes = bytes_sent;
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}
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if( numBytes < 0 ) {
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return UPNP_E_SOCKET_ERROR;
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}
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// subtract time used for reading/writing
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if( *timeoutSecs != 0 ) {
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*timeoutSecs -= time( NULL ) - start_time;
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}
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return numBytes;
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}
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/************************************************************************
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* Function : sock_read
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*
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* Parameters :
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* IN SOCKINFO *info ; Socket Information Object
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* OUT char* buffer ; Buffer to get data to
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* IN size_t bufsize ; Size of the buffer
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* IN int *timeoutSecs ; timeout value
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*
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* Description : Calls sock_read_write() for reading data on the
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* socket
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*
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* Return : int;
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* Values returned by sock_read_write()
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*
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* Note :
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************************************************************************/
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int
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sock_read( IN SOCKINFO * info,
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OUT char *buffer,
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IN size_t bufsize,
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INOUT int *timeoutSecs )
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{
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return sock_read_write( info, buffer, bufsize, timeoutSecs, TRUE );
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}
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/************************************************************************
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* Function : sock_write
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*
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* Parameters :
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* IN SOCKINFO *info ; Socket Information Object
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* IN char* buffer ; Buffer to send data from
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* IN size_t bufsize ; Size of the buffer
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* IN int *timeoutSecs ; timeout value
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*
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* Description : Calls sock_read_write() for writing data on the
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* socket
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*
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* Return : int;
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* sock_read_write()
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*
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* Note :
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************************************************************************/
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int
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sock_write( IN SOCKINFO * info,
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IN char *buffer,
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IN size_t bufsize,
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INOUT int *timeoutSecs )
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{
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return sock_read_write( info, buffer, bufsize, timeoutSecs, FALSE );
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}
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