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Code Issues Releases Wiki Activity

Fixes Issue 1664

Browse Source 
Correct thread safety on some member variables when doing null checks.

Explicitly check for mMessageCount == -1 and stop=true in idling loop.

However, the original error message "Message count = -1 for folder"
will still arise in some circumstances and is a valid error to
report.
This commit is contained in:
Daniel Applebaum 2010-07-03 15:22:54 +00:00
parent 318099082f
commit cdbcb188ec
1 changed files with 35 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/com/fsck/k9/mail/store/ImapStore.java
View File

@ -2509,7 +2509,11 @@ public class ImapStore extends Store
protected void setReadTimeout(int millis) throws SocketException
{
mSocket.setSoTimeout(millis);
Socket sock = mSocket;
if (sock != null)
{
sock.setSoTimeout(millis);
}
}
protected boolean isIdleCapable()
@ -2840,17 +2844,23 @@ public class ImapStore extends Store
{
if (doneSent.compareAndSet(false, true) == true)
{
mConnection.setReadTimeout(Store.SOCKET_READ_TIMEOUT);
sendContinuation("DONE");
ImapConnection conn = mConnection;
if (conn != null)
{
conn.setReadTimeout(Store.SOCKET_READ_TIMEOUT);
sendContinuation("DONE");
}
}
}
private void sendContinuation(String continuation)
throws MessagingException, IOException
{
if (mConnection != null)
ImapConnection conn = mConnection;
if (conn != null)
{
mConnection.sendContinuation(continuation);
conn.sendContinuation(continuation);
}
}
@ -2883,24 +2893,29 @@ public class ImapStore extends Store
}
ImapConnection oldConnection = mConnection;
internalOpen(OpenMode.READ_ONLY);
if (mConnection == null)
ImapConnection conn = mConnection;
if (conn == null)
{
receiver.pushError("Could not establish connection for IDLE", null);
throw new MessagingException("Could not establish connection for IDLE");
}
if (mConnection.isIdleCapable() == false)
if (conn.isIdleCapable() == false)
{
stop.set(true);
receiver.pushError("IMAP server is not IDLE capable: " + mConnection.toString(), null);
throw new MessagingException("IMAP server is not IDLE capable:" + mConnection.toString());
receiver.pushError("IMAP server is not IDLE capable: " + conn.toString(), null);
throw new MessagingException("IMAP server is not IDLE capable:" + conn.toString());
}
if (mAccount.isPushPollOnConnect() && (mConnection != oldConnection || needsPoll.getAndSet(false) == true))
if (stop.get() != true && mAccount.isPushPollOnConnect() && (conn != oldConnection || needsPoll.getAndSet(false) == true))
{
List<ImapResponse> untaggedResponses = new ArrayList<ImapResponse>(storedUntaggedResponses);
storedUntaggedResponses.clear();
processUntaggedResponses(untaggedResponses);
if (mMessageCount == -1)
{
throw new MessagingException("Message count = -1 for idling");
}
receiver.syncFolder(ImapFolderPusher.this);
}
if (stop.get() == true)
@ -2972,11 +2987,12 @@ public class ImapStore extends Store
receiver.setPushActive(getName(), true);
idling.set(true);
doneSent.set(false);
if (mConnection == null)
{
throw new MessagingException("No connection available for idling");
}
mConnection.setReadTimeout((getAccount().getIdleRefreshMinutes() * 60 * 1000) + IDLE_READ_TIMEOUT_INCREMENT);
if (conn == null)
{
throw new MessagingException("No connection available for idling");
}
conn.setReadTimeout((getAccount().getIdleRefreshMinutes() * 60 * 1000) + IDLE_READ_TIMEOUT_INCREMENT);
untaggedResponses = executeSimpleCommand(COMMAND_IDLE, false, ImapFolderPusher.this);
idling.set(false);
delayTime.set(NORMAL_DELAY_TIME);
@ -3335,11 +3351,12 @@ public class ImapStore extends Store
{
listeningThread.interrupt();
}
if (mConnection != null)
ImapConnection conn = mConnection;
if (conn != null)
{
if (K9.DEBUG)
Log.v(K9.LOG_TAG, "Closing mConnection to stop pushing for " + getLogId());
mConnection.close();
conn.close();
}
else
{