author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 02:28:24 +0300 | |
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permissions | -rw-r--r-- |
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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// Server-side representation of a target client, which may have multiple |
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// server-side sessions open |
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// |
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|
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/** |
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@file |
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@internalComponent |
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*/ |
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#ifndef MESSAGESENDOBSERVER_H |
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#define MESSAGESENDOBSERVER_H |
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|
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class MRemConMessageSendObserver |
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{ |
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public: |
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|
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/** |
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Called by CRemConServer to provide the result of an attempt to send a given message to a single remote. |
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This should be used in cases where a command can only be delivered to zero or one remotes (e.g. a notify command) |
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AND the observer does not require notification in advance of the number of remotes. |
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The observer should complete its client request with the error given here. |
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@param aMessage The CRemConMessage whose send was attempted. |
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@param aError The result of the send attempt (KErrNone in success). |
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*/ |
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virtual void MrcmsoMessageSendResult(const CRemConMessage& aMessage, TInt aError)=0; |
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|
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/** |
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Called by CRemConServer to notify the observer that an attempt is about to be made to send a particular message |
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to one or more remotes. |
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This allows CRemConServer to notify the session in advance of the number of remotes to which the send will be attempted. |
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If the number of remotes is 1, this method can still be used to provide the session with notification of the number of remotes. |
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MrcmsoMessageSendOneOrMoreResult() will be invoked for each remote to which an attempt is made to send the message. |
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The observer should keep track of the number of remotes to which the message is still to be sent and should complete its client |
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request once all remotes have been tried. |
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@param aMessage The CRemConMessage whose send is about to be attempted. |
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@param aNumRemotes The number of remotes that the message is to be sent to. |
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*/ |
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virtual void MrcmsoMessageSendOneOrMoreAttempt(const CRemConMessage& aMessage, TUint aNumRemotes)=0; |
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/** |
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Called by CRemConServer to notify the observer that an attempt is about to be made to send a particular message to n |
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further remotes. |
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This can be used when the exact number of remotes is not known at first. This should not be invoked after the first |
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attempt to send the message has been made. |
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The observer should keep track of the number of remotes to which the message is still to be sent and should complete its client |
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request once all remotes have been tried. |
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@param aMessage The CRemConMessage whose send is about to be attempted. |
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@param aNumRemotes The number of additional remotes that this message is to be sent to. |
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*/ |
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virtual void MrcmsoMessageSendOneOrMoreIncremental(const CRemConMessage& aMessage, TUint aNumRemotes)=0; |
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/** |
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Called by CRemConServer to indicate that a message send attempt to one or more remotes could not be made. |
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For example, the send attempt may have failed because as the message could not be addressed. |
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The observer should complete its client request immediately with the given error. |
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@param aMessage The CRemConMessage whose send was attempted. |
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@param aError An error preventing the attempt from being made. |
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*/ |
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virtual void MrcmsoMessageSendOneOrMoreAttemptFailed(const CRemConMessage& aMessage, TInt aError)=0; |
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|
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/** |
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Called by CRemConServer to provide the result of an attempt to send a given message to one of a number of remotes. |
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A call is made to this method for each remote for which an attempted send was made. |
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The observer should keep track of the number of remotes to which the message is still to be sent and should complete its client |
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request once all remotes have been tried. |
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If the message send result is unexpected (i.e. the observer believes that no remotes should have been tried), then the observer |
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may ignore this result. For example, the observers client may have cancelled its send request for this message. |
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@param aMessage The CRemConMessage whose send was attempted. |
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@param aError The result of the send attempt (KErrNone in success). |
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*/ |
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virtual void MrcmsoMessageSendOneOrMoreResult(const CRemConMessage& aMessage, TInt aError)=0; |
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|
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/** |
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Called by CRemConServer to indicate that the sending of a given message to a remote was abandoned. |
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This provides a mechanism whereby CRemConServer may drop a message without sending an error back |
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to the client. For example, if the message is not permitted by the TSP for the remote, or fails to match a |
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command, then the attempt for this remote should be abandoned but the client may still be completed |
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without error. If a message cannot be sent because of an error, then MrcmsoMessageSendResult() should be used. |
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The observer should keep track of the number of remotes to which the message is still to be sent and should complete its client |
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request once all remotes have been tried. |
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If the message send result is unexpected (i.e. the observer believes that no remotes should have been tried), then the observer |
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may ignore this result. For example, the observers client may have cancelled its send request for this message. |
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@param aMessage The CRemConMessage whose send was attempted. |
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*/ |
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virtual void MrcmsoMessageSendOneOrMoreAbandoned(const CRemConMessage& aMessage)=0; |
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}; |
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#endif // MESSAGESENDOBSERVER_H |