--- /dev/null
+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 2009 Apple Computer, Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "CDNSSDService.h"
+#include "nsThreadUtils.h"
+#include "nsIEventTarget.h"
+#include "private/pprio.h"
+#include <string>
+#include <stdio.h>
+
+
+NS_IMPL_ISUPPORTS2(CDNSSDService, IDNSSDService, nsIRunnable)
+
+CDNSSDService::CDNSSDService()
+:
+ m_master( 1 ),
+ m_threadPool( NULL ),
+ m_mainRef( NULL ),
+ m_subRef( NULL ),
+ m_listener( NULL ),
+ m_fileDesc( NULL ),
+ m_job( NULL )
+{
+ nsresult err;
+
+ if ( DNSServiceCreateConnection( &m_mainRef ) != kDNSServiceErr_NoError )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ if ( ( m_fileDesc = PR_ImportTCPSocket( DNSServiceRefSockFD( m_mainRef ) ) ) == NULL )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ if ( ( m_threadPool = PR_CreateThreadPool( 1, 1, 8192 ) ) == NULL )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ err = SetupNotifications();
+
+exit:
+
+ if ( err != NS_OK )
+ {
+ Cleanup();
+ }
+}
+
+
+CDNSSDService::CDNSSDService( DNSServiceRef ref, nsISupports * listener )
+:
+ m_master( 0 ),
+ m_threadPool( NULL ),
+ m_mainRef( ref ),
+ m_subRef( ref ),
+ m_listener( listener ),
+ m_fileDesc( NULL ),
+ m_job( NULL )
+{
+}
+
+
+CDNSSDService::~CDNSSDService()
+{
+ Cleanup();
+}
+
+
+void
+CDNSSDService::Cleanup()
+{
+ if ( m_master )
+ {
+ if ( m_job )
+ {
+ PR_CancelJob( m_job );
+ m_job = NULL;
+ }
+
+ if ( m_threadPool != NULL )
+ {
+ PR_ShutdownThreadPool( m_threadPool );
+ m_threadPool = NULL;
+ }
+
+ if ( m_fileDesc != NULL )
+ {
+ PR_Close( m_fileDesc );
+ m_fileDesc = NULL;
+ }
+
+ if ( m_mainRef )
+ {
+ DNSServiceRefDeallocate( m_mainRef );
+ m_mainRef = NULL;
+ }
+ }
+ else
+ {
+ if ( m_subRef )
+ {
+ DNSServiceRefDeallocate( m_subRef );
+ m_subRef = NULL;
+ }
+ }
+}
+
+
+nsresult
+CDNSSDService::SetupNotifications()
+{
+ NS_PRECONDITION( m_threadPool != NULL, "m_threadPool is NULL" );
+ NS_PRECONDITION( m_fileDesc != NULL, "m_fileDesc is NULL" );
+ NS_PRECONDITION( m_job == NULL, "m_job is not NULL" );
+
+ m_iod.socket = m_fileDesc;
+ m_iod.timeout = PR_INTERVAL_MAX;
+ m_job = PR_QueueJob_Read( m_threadPool, &m_iod, Read, this, PR_FALSE );
+ return ( m_job ) ? NS_OK : NS_ERROR_FAILURE;
+}
+
+
+/* IDNSSDService browse (in long interfaceIndex, in AString regtype, in AString domain, in IDNSSDBrowseListener listener); */
+NS_IMETHODIMP
+CDNSSDService::Browse(PRInt32 interfaceIndex, const nsAString & regtype, const nsAString & domain, IDNSSDBrowseListener *listener, IDNSSDService **_retval NS_OUTPARAM)
+{
+ CDNSSDService * service = NULL;
+ DNSServiceErrorType dnsErr = 0;
+ nsresult err = 0;
+
+ *_retval = NULL;
+
+ if ( !m_mainRef )
+ {
+ err = NS_ERROR_NOT_AVAILABLE;
+ goto exit;
+ }
+
+ try
+ {
+ service = new CDNSSDService( m_mainRef, listener );
+ }
+ catch ( ... )
+ {
+ service = NULL;
+ }
+
+ if ( service == NULL )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ dnsErr = DNSServiceBrowse( &service->m_subRef, kDNSServiceFlagsShareConnection, interfaceIndex, NS_ConvertUTF16toUTF8( regtype ).get(), NS_ConvertUTF16toUTF8( domain ).get(), ( DNSServiceBrowseReply ) BrowseReply, service );
+
+ if ( dnsErr != kDNSServiceErr_NoError )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ listener->AddRef();
+ service->AddRef();
+ *_retval = service;
+ err = NS_OK;
+
+exit:
+
+ if ( err && service )
+ {
+ delete service;
+ service = NULL;
+ }
+
+ return err;
+}
+
+
+/* IDNSSDService resolve (in long interfaceIndex, in AString name, in AString regtype, in AString domain, in IDNSSDResolveListener listener); */
+NS_IMETHODIMP
+CDNSSDService::Resolve(PRInt32 interfaceIndex, const nsAString & name, const nsAString & regtype, const nsAString & domain, IDNSSDResolveListener *listener, IDNSSDService **_retval NS_OUTPARAM)
+{
+ CDNSSDService * service;
+ DNSServiceErrorType dnsErr;
+ nsresult err;
+
+ *_retval = NULL;
+
+ if ( !m_mainRef )
+ {
+ err = NS_ERROR_NOT_AVAILABLE;
+ goto exit;
+ }
+
+ try
+ {
+ service = new CDNSSDService( m_mainRef, listener );
+ }
+ catch ( ... )
+ {
+ service = NULL;
+ }
+
+ if ( service == NULL )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ dnsErr = DNSServiceResolve( &service->m_subRef, kDNSServiceFlagsShareConnection, interfaceIndex, NS_ConvertUTF16toUTF8( name ).get(), NS_ConvertUTF16toUTF8( regtype ).get(), NS_ConvertUTF16toUTF8( domain ).get(), ( DNSServiceResolveReply ) ResolveReply, service );
+
+ if ( dnsErr != kDNSServiceErr_NoError )
+ {
+ err = NS_ERROR_FAILURE;
+ goto exit;
+ }
+
+ listener->AddRef();
+ service->AddRef();
+ *_retval = service;
+ err = NS_OK;
+
+exit:
+
+ if ( err && service )
+ {
+ delete service;
+ service = NULL;
+ }
+
+ return err;
+}
+
+
+/* void stop (); */
+NS_IMETHODIMP
+CDNSSDService::Stop()
+{
+ if ( m_subRef )
+ {
+ DNSServiceRefDeallocate( m_subRef );
+ m_subRef = NULL;
+ }
+
+ return NS_OK;
+}
+
+
+void
+CDNSSDService::Read( void * arg )
+{
+ NS_PRECONDITION( arg != NULL, "arg is NULL" );
+
+ NS_DispatchToMainThread( ( CDNSSDService* ) arg );
+}
+
+
+NS_IMETHODIMP
+CDNSSDService::Run()
+{
+ nsresult err = NS_OK;
+
+ NS_PRECONDITION( m_mainRef != NULL, "m_mainRef is NULL" );
+
+ m_job = NULL;
+
+ if ( PR_Available( m_fileDesc ) > 0 )
+ {
+ if ( DNSServiceProcessResult( m_mainRef ) != kDNSServiceErr_NoError )
+ {
+ err = NS_ERROR_FAILURE;
+ }
+ }
+
+ if ( !err )
+ {
+ err = SetupNotifications();
+ }
+
+ return err;
+}
+
+
+void DNSSD_API
+CDNSSDService::BrowseReply
+ (
+ DNSServiceRef sdRef,
+ DNSServiceFlags flags,
+ uint32_t interfaceIndex,
+ DNSServiceErrorType errorCode,
+ const char * serviceName,
+ const char * regtype,
+ const char * replyDomain,
+ void * context
+ )
+{
+ CDNSSDService * self = ( CDNSSDService* ) context;
+
+ // This should never be NULL, but let's be defensive.
+
+ if ( self != NULL )
+ {
+ IDNSSDBrowseListener * listener = ( IDNSSDBrowseListener* ) self->m_listener;
+
+ // Same for this
+
+ if ( listener != NULL )
+ {
+ listener->OnBrowse( self, ( flags & kDNSServiceFlagsAdd ) ? PR_TRUE : PR_FALSE, interfaceIndex, errorCode, NS_ConvertUTF8toUTF16( serviceName ), NS_ConvertUTF8toUTF16( regtype ), NS_ConvertUTF8toUTF16( replyDomain ) );
+ }
+ }
+}
+
+
+void DNSSD_API
+CDNSSDService::ResolveReply
+ (
+ DNSServiceRef sdRef,
+ DNSServiceFlags flags,
+ uint32_t interfaceIndex,
+ DNSServiceErrorType errorCode,
+ const char * fullname,
+ const char * hosttarget,
+ uint16_t port,
+ uint16_t txtLen,
+ const unsigned char * txtRecord,
+ void * context
+ )
+{
+ CDNSSDService * self = ( CDNSSDService* ) context;
+
+ // This should never be NULL, but let's be defensive.
+
+ if ( self != NULL )
+ {
+ IDNSSDResolveListener * listener = ( IDNSSDResolveListener* ) self->m_listener;
+
+ // Same for this
+
+ if ( listener != NULL )
+ {
+ std::string path = "";
+ const void * value = NULL;
+ uint8_t valueLen = 0;
+
+ value = TXTRecordGetValuePtr( txtLen, txtRecord, "path", &valueLen );
+
+ if ( value && valueLen )
+ {
+ char * temp;
+
+ temp = new char[ valueLen + 2 ];
+
+ if ( temp )
+ {
+ char * dst = temp;
+
+ memset( temp, 0, valueLen + 2 );
+
+ if ( ( ( char* ) value )[ 0 ] != '/' )
+ {
+ *dst++ = '/';
+ }
+
+ memcpy( dst, value, valueLen );
+ path = temp;
+ delete [] temp;
+ }
+ }
+
+ listener->OnResolve( self, interfaceIndex, errorCode, NS_ConvertUTF8toUTF16( fullname ), NS_ConvertUTF8toUTF16( hosttarget ) , ntohs( port ), NS_ConvertUTF8toUTF16( path.c_str() ) );
+ }
+ }
+}
+
projects / apple / mdnsresponder.git / blobdiff