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authorstuconnolly <stuart02@gmail.com>2010-07-07 15:54:32 +0000
committerstuconnolly <stuart02@gmail.com>2010-07-07 15:54:32 +0000
commit2327652bf0e17a04d8f888835979580638beda84 (patch)
tree5f687e4358c9a6fe2b2a9552f16059e69c8008a5 /Source
parent367bacf28308da7744870c97f2317c8936e8c507 (diff)
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Further improvements to the threaded initial MySQL connection, which was accidently committed in r2426.
Diffstat (limited to 'Source')
-rw-r--r--Source/SPConnectionController.m120
1 files changed, 86 insertions, 34 deletions
diff --git a/Source/SPConnectionController.m b/Source/SPConnectionController.m
index 257eed1b..8007ca86 100644
--- a/Source/SPConnectionController.m
+++ b/Source/SPConnectionController.m
@@ -34,8 +34,9 @@
@interface SPConnectionController (PrivateAPI)
- (void)_sortFavorites;
+- (void)_restoreConnectionInterface;
+- (void)_mySQLConnectionEstablished;
- (void)_initiateMySQLConnectionInBackground;
-- (void)_initiatedMySQLConnectionEstablished;
@end
@@ -237,9 +238,16 @@
/**
* Cancels (or rather marks) the current connection is to be cancelled once established.
+ *
+ * Note, that once called this method does not mark the connection attempt to be immediately cancelled as
+ * there is no reliable way to actually cancel connection attempts via the MySQL client libs. Once the
+ * connection is established it will be immediately killed.
*/
- (IBAction)cancelMySQLConnection:(id)sender
{
+ [progressIndicatorText setStringValue:NSLocalizedString(@"Cancelling...", @"cancelling connection message")];
+ [progressIndicatorText display];
+
mySQLConnectionCancelled = YES;
}
@@ -310,10 +318,13 @@
}
/*
- * Set up the MySQL connection, either through a successful tunnel or directly.
+ * Set up the MySQL connection, either through a successful tunnel or directly in the background.
*/
- (void)initiateMySQLConnection
{
+ // Disable the favorites table view to prevent further connections attempts
+ [favoritesTable setEnabled:NO];
+
if (sshTunnel)
[progressIndicatorText setStringValue:NSLocalizedString(@"MySQL connecting...", @"MySQL connecting very short status message")];
else
@@ -415,7 +426,7 @@
* Add the connection to the parent document and restore the
* interface, allowing the application to run as normal.
*/
-- (void) addConnectionToDocument
+- (void)addConnectionToDocument
{
// Hide the connection view and restore the main view
@@ -445,7 +456,7 @@
* Opens the preferences window, or brings it to the front, and switch to the favorites tab.
* If a favorite is selected in the connection sheet, it is also select in the prefs window.
*/
-- (IBAction) editFavorites:(id)sender
+- (IBAction)editFavorites:(id)sender
{
SPPreferenceController *prefsController = [[NSApp delegate] preferenceController];
@@ -458,7 +469,7 @@
/**
* Show connection help.
*/
-- (IBAction) showHelp:(id)sender
+- (IBAction)showHelp:(id)sender
{
[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:SPGettingConnectedDocURL]];
}
@@ -498,7 +509,7 @@
* this is clearer and also prevents a failed connection from being repopulated with the
* favorite's details instead of the last used details.
*/
-- (void) controlTextDidChange:(NSNotification *)aNotification
+- (void)controlTextDidChange:(NSNotification *)aNotification
{
[favoritesTable deselectAll:self];
}
@@ -507,7 +518,7 @@
* When a host field finishes editing, ensure that it hasn't been set to "localhost"
* to ensure that socket connections don't inadvertently occur.
*/
-- (void) controlTextDidEndEditing:(NSNotification *)notification
+- (void)controlTextDidEndEditing:(NSNotification *)notification
{
if ([notification object] == standardSQLHostField || [notification object] == sshSQLHostField) {
[self checkHost];
@@ -518,7 +529,7 @@
* Control tab view resizing based on the supplied connection type,
* with an option defining whether it should be animated or not.
*/
-- (void) resizeTabViewToConnectionType:(NSUInteger)theType animating:(BOOL)animate
+- (void)resizeTabViewToConnectionType:(NSUInteger)theType animating:(BOOL)animate
{
NSRect frameRect, targetResizeRect;
NSInteger additionalFormHeight = 55;
@@ -550,7 +561,7 @@
* Check the host field and ensure it isn't set to "localhost" for
* non-socket connections.
*/
-- (BOOL) checkHost
+- (BOOL)checkHost
{
if ([self type] != SPSocketConnection && [[self host] isEqualToString:@"localhost"]) {
SPBeginAlertSheet(NSLocalizedString(@"You have entered 'localhost' for a non-socket connection", @"title of error when using 'localhost' for a network connection"),
@@ -584,6 +595,9 @@
#pragma mark -
#pragma mark Favorites interaction
+/**
+ * Sorts the favorites table view based on the selected sort by item.
+ */
- (void)sortFavorites:(id)sender
{
previousSortItem = currentSortItem;
@@ -600,7 +614,7 @@
}
/**
- *
+ * Reverses the favorites table view sorting based on the selected criteria.
*/
- (void)reverseSortFavorites:(id)sender
{
@@ -617,7 +631,7 @@
/**
* Updates the local favorites array from the user defaults
*/
-- (void) updateFavorites
+- (void)updateFavorites
{
[favoritesTable deselectAll:self];
if (favorites) [favorites release];
@@ -633,7 +647,7 @@
/**
* Sets fields for the chosen favorite.
*/
-- (void) updateFavoriteSelection:(id)sender
+- (void)updateFavoriteSelection:(id)sender
{
// If nothing is selected, return without updating the interface
@@ -703,7 +717,7 @@
/**
* Returns a KVC-compliant proxy to the currently selected favorite, or nil if nothing selected.
*/
-- (id) selectedFavorite
+- (id)selectedFavorite
{
if ([favoritesTable selectedRow] == -1)
return nil;
@@ -715,7 +729,7 @@
* Adds the current details as a new favorite, select it, and scroll the selected
* row to visible.
*/
-- (IBAction) addFavorite:(id)sender
+- (IBAction)addFavorite:(id)sender
{
NSString *thePassword, *theSSHPassword;
NSNumber *favoriteid = [NSNumber numberWithInteger:[[NSString stringWithFormat:@"%f", [[NSDate date] timeIntervalSince1970]] hash]];
@@ -1020,7 +1034,7 @@
#pragma mark Private API
/**
- *
+ * Sorts the connection favorites based on the selected criteria.
*/
- (void)_sortFavorites
{
@@ -1062,14 +1076,45 @@
}
/**
- *
+ * Restores the connection interface to its original state.
+ */
+- (void)_restoreConnectionInterface
+{
+ // Must be performed on the main thread
+ if (![NSThread isMainThread]) return [[self onMainThread] _restoreConnectionInterface];
+
+ // Reset the UI
+ [addToFavoritesButton setHidden:NO];
+ [addToFavoritesButton display];
+ [helpButton setHidden:NO];
+ [helpButton display];
+ [connectButton setTitle:NSLocalizedString(@"Connect", @"connect button")];
+ [connectButton setEnabled:YES];
+ [connectButton display];
+ [progressIndicator stopAnimation:self];
+ [progressIndicator display];
+ [progressIndicatorText setHidden:YES];
+ [progressIndicatorText display];
+
+ // Re-enable favorites table view
+ [favoritesTable setEnabled:YES];
+ [favoritesTable display];
+
+ mySQLConnectionCancelled = NO;
+
+ // Revert the connect button back to its original selector
+ [connectButton setAction:@selector(initiateConnection:)];
+}
+
+/**
+ * Called on the main thread once the MySQL connection is established on the background thread. Either the
+ * connection was cancelled or it was successful.
*/
-- (void)_initiatedMySQLConnectionEstablished
+- (void)_mySQLConnectionEstablished
{
+ // If the user hit cancel during the connection attempt, kill the connection once
+ // established and reset the UI.
if (mySQLConnectionCancelled) {
- [progressIndicatorText setStringValue:NSLocalizedString(@"Cancelling...", @"cancelling connection message")];
- [progressIndicatorText display];
-
if ([mySQLConnection isConnected]) {
[mySQLConnection disconnect];
[mySQLConnection release], mySQLConnection = nil;
@@ -1078,28 +1123,25 @@
// Kill the SSH connection if present
[self cancelConnection];
- // Reset the UI
- [addToFavoritesButton setHidden:NO];
- [addToFavoritesButton display];
- [helpButton setHidden:NO];
- [helpButton display];
- [connectButton setTitle:NSLocalizedString(@"Connect", @"connect button")];
- [connectButton setEnabled:YES];
- [connectButton display];
- [progressIndicator stopAnimation:self];
- [progressIndicator display];
- [progressIndicatorText setHidden:YES];
- [progressIndicatorText display];
+ [self _restoreConnectionInterface];
return;
}
+ [progressIndicatorText setStringValue:NSLocalizedString(@"Connected", @"connection established message")];
+ [progressIndicatorText display];
+
// Successful connection!
[connectButton setEnabled:NO];
+ [connectButton display];
[progressIndicator stopAnimation:self];
[progressIndicatorText setHidden:YES];
[addToFavoritesButton setHidden:NO];
+ // Re-enable favorites table view
+ [favoritesTable setEnabled:YES];
+ [favoritesTable display];
+
// Release the tunnel if set - will now be retained by the connection
if (sshTunnel) [sshTunnel release], sshTunnel = nil;
@@ -1108,7 +1150,7 @@
}
/**
- *
+ * Initiates the core of the MySQL connection process on a background thread.
*/
- (void)_initiateMySQLConnectionInBackground
{
@@ -1188,9 +1230,13 @@
[[self onMainThread] failConnectionWithTitle:NSLocalizedString(@"Connection failed!", @"connection failed title") errorMessage:errorMessage detail:nil];
}
+ // Tidy up
if (sshTunnel) [sshTunnel release], sshTunnel = nil;
+
[mySQLConnection release], mySQLConnection = nil;
+ [self _restoreConnectionInterface];
[pool release];
+
return;
}
}
@@ -1198,14 +1244,20 @@
if ([self database] && ![[self database] isEqualToString:@""]) {
if (![mySQLConnection selectDB:[self database]]) {
[[self onMainThread] failConnectionWithTitle:NSLocalizedString(@"Could not select database", @"message when database selection failed") errorMessage:[NSString stringWithFormat:NSLocalizedString(@"Connected to host, but unable to connect to database %@.\n\nBe sure that the database exists and that you have the necessary privileges.\n\nMySQL said: %@", @"message of panel when connection to db failed"), [self database], [mySQLConnection getLastErrorMessage]] detail:nil];
+
+ // Tidy up
if (sshTunnel) [sshTunnel release], sshTunnel = nil;
+
[mySQLConnection release], mySQLConnection = nil;
+ [self _restoreConnectionInterface];
[pool release];
+
return;
}
}
- [self performSelectorOnMainThread:@selector(_initiatedMySQLConnectionEstablished) withObject:nil waitUntilDone:NO];
+ // Connection established
+ [self performSelectorOnMainThread:@selector(_mySQLConnectionEstablished) withObject:nil waitUntilDone:NO];
[pool release];
}