1 files changed, 162 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/ipc/ipcd/extensions/transmngr/module/tmTransactionManager.cpp b/src/libs/xpcom18a4/ipc/ipcd/extensions/transmngr/module/tmTransactionManager.cpp
new file mode 100644
index 00000000..9d6cc98e
--- /dev/null
+++ b/src/libs/xpcom18a4/ipc/ipcd/extensions/transmngr/module/tmTransactionManager.cpp
@@ -0,0 +1,162 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Transaction Manager.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2003
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   John Gaunt <jgaunt@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "plstr.h"
+#include <stdlib.h>
+#include "tmQueue.h"
+#include "tmTransactionManager.h"
+#include "tmTransaction.h"
+#include "tmUtils.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// Constructors & Destructor & Initializer
+
+tmTransactionManager::~tmTransactionManager() {
+
+  PRUint32 size = mQueues.Size();
+  tmQueue *queue = nsnull;
+  for (PRUint32 index = 0; index < size; index++) {
+     queue = (tmQueue *)mQueues[index];
+     if (queue) {
+       delete queue;
+     }
+  }
+}
+
+PRInt32
+tmTransactionManager::Init() {
+  return mQueues.Init();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// public transaction module methods
+
+void
+tmTransactionManager::HandleTransaction(tmTransaction *aTrans) {
+
+  PRUint32 action = aTrans->GetAction();
+  PRUint32 ownerID = aTrans->GetOwnerID();
+  tmQueue *queue = nsnull;
+
+  // get the right queue -- attaches do it differently
+  if (action == TM_ATTACH) {
+    const char *name = (char*) aTrans->GetMessage(); // is qName for Attaches
+    queue = GetQueue(name);  
+    if (!queue) {
+      PRInt32 index = AddQueue(name);
+      if (index >= 0)
+        queue = GetQueue(index); // GetQueue may return nsnull
+    }
+  }
+  else  // all other trans should have a valid queue ID already
+    queue = GetQueue(aTrans->GetQueueID());
+
+  if (queue) {
+    // All possible actions should have a case, default is not valid
+    //   delete trans when done with them, let the queue own the trans
+    //   that are posted to them.
+    PRInt32 result = 0;
+    switch (action) {
+    case TM_ATTACH:
+      queue->AttachClient(ownerID);
+      break;
+    case TM_POST:
+      result = queue->PostTransaction(aTrans);
+      if (result >= 0) // post failed, aTrans cached in a tmQueue
+        return;
+      break;
+    case TM_FLUSH:
+      queue->FlushQueue(ownerID);
+      break;
+    case TM_DETACH:
+      if (queue->DetachClient(ownerID) == TM_SUCCESS_DELETE_QUEUE) {
+        // the last client has been removed, remove the queue
+        RemoveQueue(aTrans->GetQueueID()); // this _could_ be out of bounds
+      }
+      break;
+    default:
+      PR_NOT_REACHED("bad action in the transaction");
+    }
+  }
+  delete aTrans;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Protected member functions
+
+//
+// Queue Handling
+//
+
+tmQueue*
+tmTransactionManager::GetQueue(const char *aQueueName) {
+
+  PRUint32 size = mQueues.Size();
+  tmQueue *queue = nsnull;
+  for (PRUint32 index = 0; index < size; index++) {
+    queue = (tmQueue*) mQueues[index];
+    if (queue && strcmp(queue->GetName(), aQueueName) == 0)
+      return queue;
+  }
+  return nsnull;
+}
+
+// if successful the nsresult contains the index of the added queue
+PRInt32
+tmTransactionManager::AddQueue(const char *aQueueName) {
+
+  tmQueue* queue = new tmQueue();
+  if (!queue)
+    return -1;
+  PRInt32 index = mQueues.Append(queue);
+  if (index < 0)
+    delete queue;
+  else
+    queue->Init(aQueueName, index, this);
+  return index;
+}
+
+void
+tmTransactionManager::RemoveQueue(PRUint32 aQueueID) {
+  PR_ASSERT(aQueueID <= mQueues.Size());
+
+  tmQueue *queue = (tmQueue*)mQueues[aQueueID];
+  if (queue) {
+    mQueues.RemoveAt(aQueueID);
+    delete queue;
+  }
+}