webdav: Implement refreshing of locks.

Change-Id: Ia4a1c7b929dac473dfb5a5fa233c7f0c662a95c6

ucb/source/ucp/webdav/SerfLockReqProcImpl.cxx

@@ -32,10 +32,12 @@ namespace http_dav_ucp
 SerfLockReqProcImpl::SerfLockReqProcImpl( const char* inPath,
                                           const DAVRequestHeaders& inRequestHeaders,
                                           SerfSession& rSession,
-                                          const css::ucb::Lock & rLock )
+                                          const css::ucb::Lock& rLock,
+                                          sal_Int32* plastChanceToSendRefreshRequest )
     : SerfRequestProcessorImpl( inPath, inRequestHeaders )
     , m_rSession( rSession )
     , m_aLock( rLock )
+    , m_plastChanceToSendRefreshRequest( plastChanceToSendRefreshRequest )
     , m_xInputStream( new SerfInputStream() )
 {
 }
@@ -76,9 +78,12 @@ serf_bucket_t * SerfLockReqProcImpl::createSerfRequestBucket( serf_request_t * i
     aBody.append("</lockinfo>\n");
 
     const OString aBodyText(aBody.makeStringAndClear());
-    serf_bucket_t* body_bkt = serf_bucket_simple_copy_create( aBodyText.getStr(),
-                                                              aBodyText.getLength(),
-                                                              pSerfBucketAlloc );
+    serf_bucket_t* body_bkt = 0;
+
+    if (!m_plastChanceToSendRefreshRequest)
+        body_bkt = serf_bucket_simple_copy_create( aBodyText.getStr(),
+                                                   aBodyText.getLength(),
+                                                   pSerfBucketAlloc );
 
     // create serf request
     serf_bucket_t *req_bkt = serf_request_bucket_request_create( inSerfRequest,
@@ -86,7 +91,8 @@ serf_bucket_t * SerfLockReqProcImpl::createSerfRequestBucket( serf_request_t * i
                                                                  getPathStr(),
                                                                  body_bkt,
                                                                  pSerfBucketAlloc );
-    handleChunkedEncoding(req_bkt, aBodyText.getLength());
+    if (!m_plastChanceToSendRefreshRequest)
+        handleChunkedEncoding(req_bkt, aBodyText.getLength());
 
     // set request header fields
     serf_bucket_t* hdrs_bkt = serf_bucket_request_get_headers( req_bkt );
@@ -110,8 +116,18 @@ serf_bucket_t * SerfLockReqProcImpl::createSerfRequestBucket( serf_request_t * i
         default:
             throw DAVException( DAVException::DAV_INVALID_ARG );
     }
-    serf_bucket_headers_set( hdrs_bkt, "Depth", depth );
-    serf_bucket_headers_set( hdrs_bkt, "Content-Type", "application/xml" );
+    if (!m_plastChanceToSendRefreshRequest)
+    {
+        serf_bucket_headers_set( hdrs_bkt, "Depth", depth );
+        serf_bucket_headers_set( hdrs_bkt, "Content-Type", "application/xml" );
+    }
+    else
+    {
+        const OString sToken( "(<" + OUStringToOString( apr_environment::AprEnv::getAprEnv()->
+                    getSerfLockStore()->getLockToken( OUString::createFromAscii(getPathStr())),
+                    RTL_TEXTENCODING_UTF8 ) + ">)" );
+        serf_bucket_headers_set( hdrs_bkt, "If", sToken.getStr() );
+    }
 
     // Set the lock timeout
     if (m_aLock.Timeout == -1)
@@ -121,6 +137,8 @@ serf_bucket_t * SerfLockReqProcImpl::createSerfRequestBucket( serf_request_t * i
         const OString aTimeValue("Second-" + OString::number(m_aLock.Timeout));
         serf_bucket_headers_set( hdrs_bkt, "Timeout", aTimeValue.getStr() );
     }
+    else
+        serf_bucket_headers_set( hdrs_bkt, "Timeout", "Second-180" );
 
     osl_getSystemTime( &m_aStartCall );
 
@@ -158,6 +176,13 @@ void SerfLockReqProcImpl::handleEndOfResponseData( serf_bucket_t * )
                 else
                     SAL_WARN("ucb.ucp.webdav", "No chance to refresh lock before timeout!" );
             }
+            if (m_plastChanceToSendRefreshRequest)
+            {
+                *m_plastChanceToSendRefreshRequest = lastChanceToSendRefreshRequest;
+                assert(aLocks.size() == 1);
+                // We are just refreshing lock, do not add it into SerfLockStore
+                break;
+            }
             apr_environment::AprEnv::getAprEnv()->getSerfLockStore()->addLock(
                     OUString::createFromAscii(getPathStr()),
                     aLocks[i].LockTokens[0],

ucb/source/ucp/webdav/SerfLockReqProcImpl.hxx

@@ -37,7 +37,8 @@ public:
     SerfLockReqProcImpl( const char* inPath,
                          const DAVRequestHeaders& inRequestHeaders,
                          SerfSession& rSession,
-                         const css::ucb::Lock & rLock );
+                         const css::ucb::Lock& rLock,
+                         sal_Int32* plastChanceToSendRefreshRequest = 0 );
 
     virtual ~SerfLockReqProcImpl() SAL_OVERRIDE;
 
@@ -53,6 +54,8 @@ private:
 
     SerfSession& m_rSession;
     css::ucb::Lock m_aLock;
+    // if m_plastChanceToSendRefreshRequest is not 0 we are sending just refresh request
+    sal_Int32* m_plastChanceToSendRefreshRequest;
     TimeValue m_aStartCall;
     css::uno::Reference< SerfInputStream > m_xInputStream;
 };

ucb/source/ucp/webdav/SerfLockStore.cxx

@@ -197,8 +197,7 @@ void SerfLockStore::refreshLocks()
                 // refresh the lock.
                 sal_Int32 nlastChanceToSendRefreshRequest = -1;
                 if ( rInfo.m_xSession->LOCK(
-                         (*it).first,
-                         /* out param */ nlastChanceToSendRefreshRequest ) )
+                         (*it).first, &nlastChanceToSendRefreshRequest ) )
                 {
                     rInfo.m_nLastChanceToSendRefreshRequest
                         = nlastChanceToSendRefreshRequest;

ucb/source/ucp/webdav/SerfRequestProcessor.cxx

@@ -313,12 +313,13 @@ bool SerfRequestProcessor::processMove( const OUString & inDestinationPath,
 }
 
 
-bool SerfRequestProcessor::processLock( const css::ucb::Lock & rLock )
+bool SerfRequestProcessor::processLock( const css::ucb::Lock & rLock, sal_Int32 *plastChanceToSendRefreshRequest )
 {
     mpProcImpl = new SerfLockReqProcImpl( mPathStr,
                                           mrSerfSession.getRequestEnvironment().m_aRequestHeaders,
                                           mrSerfSession,
-                                          rLock );
+                                          rLock,
+                                          plastChanceToSendRefreshRequest );
 
     return runProcessor() == APR_SUCCESS;
 }

ucb/source/ucp/webdav/SerfRequestProcessor.hxx

@@ -126,7 +126,7 @@ public:
                       apr_status_t& outSerfStatus );
 
     //LOCK
-    bool processLock( const css::ucb::Lock & rLock );
+    bool processLock( const css::ucb::Lock & rLock, sal_Int32 *plastChanceToSendRefreshRequest = 0 );
 
     //UNLOCK
     bool processUnlock();

ucb/source/ucp/webdav/SerfSession.cxx

@@ -1060,32 +1060,25 @@ sal_Int64 SerfSession::LOCK( const OUString & /*inPath*/,
 
 // LOCK (refresh existing lock)
 
-bool SerfSession::LOCK( const OUString& /*rLock*/,
-                        sal_Int32 & /*rlastChanceToSendRefreshRequest*/ )
+bool SerfSession::LOCK( const OUString& rLock,
+                        sal_Int32 *plastChanceToSendRefreshRequest )
 {
     osl::Guard< osl::Mutex > theGuard( m_aMutex );
 
-    return true;
-    /*
-    // refresh existing lock.
-
-    TimeValue startCall;
-    osl_getSystemTime( &startCall );
+    boost::shared_ptr<SerfRequestProcessor> aReqProc( createReqProc( rLock ) );
+    aReqProc->processLock( ucb::Lock(), plastChanceToSendRefreshRequest );
 
-    if ( ne_lock_refresh( m_pHttpSession, pLock ) == NE_OK )
+    try
     {
-        rlastChanceToSendRefreshRequest
-            = lastChanceToSendRefreshRequest( startCall, pLock->timeout );
-
-        SAL_INFO("ucb.ucp.webdav",  "Lock successfully refreshed." );
+        HandleError( aReqProc );
+        SAL_INFO("ucb.ucp.webdav",  "Refreshing LOCK of " << rLock << " succeeded." );
         return true;
     }
-    else
+    catch(...)
     {
-        SAL_INFO("ucb.ucp.webdav",  "Lock not refreshed!" );
+        SAL_INFO("ucb.ucp.webdav",  "Refreshing LOCK of " << rLock << " failed!" );
         return false;
     }
-    */
 }
 
 

ucb/source/ucp/webdav/SerfSession.hxx

@@ -267,8 +267,7 @@ private:
                                  const DAVRequestEnvironment & rEnv );
 
     // refresh lock, called by SerfLockStore::refreshLocks
-    bool LOCK( const OUString& rLock,
-               sal_Int32 & rlastChanceToSendRefreshRequest );
+    bool LOCK( const OUString& rLock, sal_Int32 *plastChanceToSendRefreshRequest );
 
     // unlock, called by SerfLockStore::~SerfLockStore
     void UNLOCK( const OUString& rLock );