148 lines
4.2 KiB
C++
148 lines
4.2 KiB
C++
/*
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* This file is part of the Sofia-SIP package
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*
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* Copyright (C) 2005 Nokia Corporation.
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*
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* Contact: Pekka Pessi <pekka.pessi@nokia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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/**@ingroup su_open_c_localinfo.cpp
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*
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* @CFILE su_open_c_localinfo.cpp
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* Functionality for choosing an access point for sockets on Symbian.
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*
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* @author Martti Mela <Martti.Mela@nokia.com>
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* @date Created: Fri May 18 14:31:41 2007 mela
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*
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*/
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#include "config.h"
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#include <unistd.h>
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#include <in_sock.h>
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#include <es_sock.h>
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#include <e32base.h>
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#include <s32mem.h>
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#include <s32strm.h>
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#include <commdbconnpref.h>
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#include <sofia-sip/su.h>
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su_sockaddr_t sa_global[1];
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/* Copy IP address for the sockaddr structure.
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*
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* @param su pointer to allocated su_sockaddr_t structure
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*
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* @return 0 if successful.
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*/
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extern "C" int su_get_local_ip_addr(su_sockaddr_t *su)
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{
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su->su_sin.sin_addr.s_addr = sa_global->su_sin.sin_addr.s_addr;
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su->su_family = sa_global->su_family;
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su->su_len = sa_global->su_len;
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return 0;
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}
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/* Set up the access point for the stack. Code adapted from Forum Nokia,
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* http://wiki.forum.nokia.com/index.php/LocalDeviceIpAddress.
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*
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* @param su su_sockaddr_t structure
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* @param ifindex pointer to interface index
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*
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* @return Connection object
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*/
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extern "C" void *su_localinfo_ap_set(su_sockaddr_t *su, int *ifindex)
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{
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TCommDbConnPref iPref;
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RSocketServ aSocketServ;
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RSocket sock;
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/* Get the IAP id of the underlying interface of this RConnection */
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TUint32 iapId;
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iPref.SetDirection(ECommDbConnectionDirectionOutgoing);
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iPref.SetDialogPreference(ECommDbDialogPrefPrompt);
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iPref.SetBearerSet(KCommDbBearerUnknown /*PSD*/);
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aSocketServ = RSocketServ();
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aSocketServ.Connect();
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RConnection *aConnection = new RConnection();
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aConnection->Open(aSocketServ);
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aConnection->Start(iPref);
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User::LeaveIfError(sock.Open(aSocketServ, KAfInet, KSockStream,
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KProtocolInetTcp));
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User::LeaveIfError(aConnection->GetIntSetting(_L("IAP\\Id"), iapId));
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/* Get IP information from the socket */
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TSoInetInterfaceInfo ifinfo;
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TPckg<TSoInetInterfaceInfo> ifinfopkg(ifinfo);
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TSoInetIfQuery ifquery;
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TPckg<TSoInetIfQuery> ifquerypkg(ifquery);
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/* To find out which interfaces are using our current IAP, we
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* must enumerate and go through all of them and make a query
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* by name for each. */
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User::LeaveIfError(sock.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl));
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while(sock.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, ifinfopkg) == KErrNone) {
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ifquery.iName = ifinfo.iName;
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TInt err = sock.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, ifquerypkg);
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/* IAP ID is index 1 of iZone */
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if(err == KErrNone && ifquery.iZone[1] == iapId) {
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/* We have found an interface using the IAP we are interested in. */
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if(ifinfo.iAddress.Address() > 0) {
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/* found a IPv4 address */
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su->su_sin.sin_addr.s_addr = htonl(ifinfo.iAddress.Address());
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sa_global->su_sin.sin_addr.s_addr = su->su_sin.sin_addr.s_addr;
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sa_global->su_family = su->su_family = AF_INET;
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sa_global->su_len = su->su_len = 28;
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*ifindex = iapId;
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return (void *) aConnection;
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}
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}
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else if(err != KErrNone)
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break;
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}
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sock.Close();
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}
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/* Deinitialize the access point in use.
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*
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* @param aconn Pointer to connection object
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*
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* @return 0 if successful.
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*/
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extern "C" int su_localinfo_ap_deinit(void *aconn)
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{
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RConnection *aConnection = (RConnection *) aconn;
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aConnection->Stop();
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aConnection->Close();
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delete aConnection;
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return 0;
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}
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