diff options
Diffstat (limited to 'src/plugins/qmltooling/qmldbg_ost/usbostcomm.h')
| -rw-r--r-- | src/plugins/qmltooling/qmldbg_ost/usbostcomm.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_ost/usbostcomm.h b/src/plugins/qmltooling/qmldbg_ost/usbostcomm.h new file mode 100644 index 0000000..48ff7bf --- /dev/null +++ b/src/plugins/qmltooling/qmldbg_ost/usbostcomm.h @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef USBHOSTCOMM_H +#define USBHOSTCOMM_H + +// Based on the official usbostrouter header, modified to remove dependancy on +// the client DLL + +#include <e32base.h> + +typedef int TOstProtIds; + +class RUsbOstComm : public RSessionBase +{ +public: + RUsbOstComm(); + TInt Connect(); + TInt Disconnect(); + TInt Open(); + TInt Close(); + TInt RegisterProtocolID(TOstProtIds aId, TBool aNeedHeader); + void ReadMessage(TRequestStatus& aStatus, TDes8& aDes); + TInt ReadCancel(); + void WriteMessage(TRequestStatus& aStatus, const TDesC8& aDes, TBool aHasHeader=EFalse); + TVersion Version() const; + +private: + enum TUsbOstCmdCode + { + EUsbOstCmdCodeFirst, + EUsbOstCmdConnect, + EUsbOstCmdDisconnect, + EUsbOstCmdCodeGetAcmConfig, + EUsbOstCmdCodeSetAcmConfig, + EUsbOstCmdCodeOpen, + EUsbOstCmdCodeClose, + EUsbOstCmdCodeRegisterId, + EUsbOstCmdCodeRegisterIds, + EUsbOstCmdCodeUnRegisterId, + EUsbOstCmdCodeUnRegisterIds, + EUsbOstCmdCodeReadMsg, + EUsbOstCmdCodeReadCancel, + EUsbOstCmdCodeWriteMsg, + EUsbOstCmdCodeWriteCancel, + EUsbOstCmdCodeLast + }; +}; + +RUsbOstComm::RUsbOstComm() +{ +} + +TInt RUsbOstComm::Connect() +{ + _LIT(KUsbOstServerName, "!UsbOstRouter"); + _LIT(KUsbOstServerImageName, "usbostrouter"); + const TUid KUsbOstServerUid = { 0x200170BE }; + TInt startupAttempts = 2; + for(;;) { + TInt ret = CreateSession(KUsbOstServerName, TVersion(1,0,0)); + if (ret != KErrNotFound && ret != KErrServerTerminated) { + return ret; + } + + if (startupAttempts-- == 0) { + return ret; + } + + RProcess server; + ret = server.Create(KUsbOstServerImageName, KNullDesC, KUsbOstServerUid); + if (ret != KErrNone) + return ret; + + TRequestStatus serverDiedRequestStatus; + server.Rendezvous(serverDiedRequestStatus); + + if (serverDiedRequestStatus != KRequestPending) { + // Abort startup + server.Kill(KErrNone); + } else { + // Logon OK - start the server + server.Resume(); + } + User::WaitForRequest(serverDiedRequestStatus); + ret = (server.ExitType() == EExitPanic) ? KErrGeneral : serverDiedRequestStatus.Int(); + server.Close(); + + if (ret != KErrNone && ret != KErrAlreadyExists) { + return ret; + } + } +} + +TInt RUsbOstComm::Disconnect() +{ + return SendReceive(EUsbOstCmdDisconnect); +} + +TInt RUsbOstComm::Open() +{ + return SendReceive(EUsbOstCmdCodeOpen); +} + +TInt RUsbOstComm::Close() +{ + TInt err = SendReceive(EUsbOstCmdCodeClose); + RHandleBase::Close(); + return err; +} + +TInt RUsbOstComm::RegisterProtocolID(const TOstProtIds aId, TBool aNeedHeader) +{ + TIpcArgs args(aId, aNeedHeader); + return SendReceive(EUsbOstCmdCodeRegisterId, args); +} + +void RUsbOstComm::ReadMessage(TRequestStatus& aStatus, TDes8& aDes) +{ + TIpcArgs args(aDes.MaxLength(), &aDes); + SendReceive(EUsbOstCmdCodeReadMsg, args, aStatus); +} + +TInt RUsbOstComm::ReadCancel() +{ + return SendReceive(EUsbOstCmdCodeReadCancel); +} + +void RUsbOstComm::WriteMessage(TRequestStatus& aStatus, const TDesC8& aDes, TBool aHasHeader) +{ + TIpcArgs args(aHasHeader, aDes.Length(), &aDes); + SendReceive(EUsbOstCmdCodeWriteMsg, args, aStatus); +} + +typedef TVersion (*TVersionFunction)(const RUsbOstComm*); +const TInt KVersionOrdinal = 17; + +TVersion RUsbOstComm::Version() const +{ + // This function has to go to the DLL, unfortunately + TVersion result; // Return 0.0.0 on any error + RLibrary lib; + TInt err = lib.Load(_L("usbostcomm")); + if (err) return result; + + TLibraryFunction fn = lib.Lookup(KVersionOrdinal); + if (fn) + result = ((TVersionFunction)fn)(this); + lib.Close(); + return result; +} + +#endif //USBHOSTCOMM_H |