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/*===========================================================================
FILE:
GobiConnectionMgmt.h
DESCRIPTION:
QUALCOMM Connection Management API for Gobi
PUBLIC CLASSES AND FUNCTIONS:
CGobiConnectionMgmtDLL
cGobiConnectionMgmt
Copyright (c) 2011, Code Aurora Forum. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Code Aurora Forum nor
the names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
==========================================================================*/
/*=========================================================================*/
// Pragmas
/*=========================================================================*/
#pragma once
//---------------------------------------------------------------------------
// Include Files
//---------------------------------------------------------------------------
#include "GobiQMICore.h"
#include "QMIBuffers.h"
//---------------------------------------------------------------------------
// Definitions
//---------------------------------------------------------------------------
// Handle to Gobi API
typedef ULONG_PTR GOBIHANDLE;
extern "C"
{
// Generic callback function pointer
typedef void (* tFNGenericCallback)(
ULONG svcID,
ULONG msgID,
ULONG_PTR userValue,
ULONG outLen,
const BYTE * pOut );
};
// CallbackThread prototype
// Thread to execute a callback asynchronously
void * CallbackThread( PVOID pArg );
/*=========================================================================*/
// Class cGobiCMCallback
/*=========================================================================*/
class cGobiCMCallback
{
public:
// (Inline) Constructor
cGobiCMCallback()
{ };
// (Inline) Destructor
virtual ~cGobiCMCallback()
{ };
// (Inline) Initialize the callback object by starting the thread
bool Initialize()
{
// Start the thread
pthread_t threadID;
pthread_attr_t attributes;
pthread_attr_init( &attributes );
pthread_attr_setdetachstate( &attributes, PTHREAD_CREATE_DETACHED );
int nRC = pthread_create( &threadID,
&attributes,
CallbackThread,
this );
if (nRC == 0)
{
// Success!
return true;
}
return false;
};
protected:
// Call the function
virtual void Call() = 0;
// Function thread gets full access
friend void * CallbackThread( PVOID pArg );
};
/*=========================================================================*/
// Class cGenericCallback
/*=========================================================================*/
class cGenericCallback : public cGobiCMCallback
{
public:
// (Inline) Constructor
cGenericCallback(
tFNGenericCallback pCallback,
ULONG svcID,
ULONG msgID,
ULONG_PTR userValue,
ULONG outLen,
const BYTE * pOut )
: mServiceID( svcID ),
mMessageID( msgID ),
mUserValue( userValue ),
mOutputLen( 0 ),
mpCallback( pCallback )
{
memset( &mOutput[0], 0, QMI_MAX_BUFFER_SIZE );
if (outLen <= QMI_MAX_BUFFER_SIZE && pOut != 0)
{
mOutputLen = outLen;
memcpy( &mOutput[0], pOut, outLen );
}
};
// (Inline) Destructor
virtual ~cGenericCallback()
{
mpCallback = 0;
};
protected:
/* Service ID */
ULONG mServiceID;
/* Message ID */
ULONG mMessageID;
/* User value */
ULONG_PTR mUserValue;
/* Actual size of output content */
ULONG mOutputLen;
/* Output content buffer */
BYTE mOutput[QMI_MAX_BUFFER_SIZE];
/* Callback function */
tFNGenericCallback mpCallback;
// Call the function
virtual void Call()
{
if (mpCallback != 0)
{
mpCallback( mServiceID,
mMessageID,
mUserValue,
mOutputLen,
(const BYTE *)&mOutput[0] );
}
};
};
/*=========================================================================*/
// Class cGobiConnectionMgmt
/*=========================================================================*/
class cGobiConnectionMgmt : public cGobiQMICore
{
public:
// Constructor
cGobiConnectionMgmt();
// Destructor
virtual ~cGobiConnectionMgmt();
// Connect to the specified Gobi device interface
virtual std::set <eQMIService> Connect(
LPCSTR pInterface,
std::set <eQMIService> & services );
// Disconnect from the currently connected device interface
virtual bool Disconnect();
// Enable/disable generic callback function
eGobiError SetGenericCallback(
ULONG svcID,
ULONG msgID,
tFNGenericCallback pCallback,
ULONG_PTR userValue );
protected:
// Process new traffic
void ProcessTraffic( eQMIService svc );
/* Is there an active thread? */
bool mbThreadStarted;
/* ID of traffic processing thread */
pthread_t mThreadID;
/* Traffic processing thread exit event */
cEvent mExitEvent;
/* Has the protocol server thread finished cleanup? */
bool mThreadCleanupFinished;
/* Generic callback function key/value */
typedef std::pair <ULONG, ULONG> tCallbackKey;
typedef std::pair <tFNGenericCallback, ULONG_PTR> tCallbackValue;
/* Callback functions */
std::map <tCallbackKey, tCallbackValue> mCallbacks;
// Traffic process thread gets full access
friend VOID * TrafficProcessThread( PVOID pArg );
};
/*=========================================================================*/
// Class CGobiConnectionMgmtDLL
/*=========================================================================*/
class CGobiConnectionMgmtDLL
{
public:
// Constructor
CGobiConnectionMgmtDLL();
// Destructor
virtual ~CGobiConnectionMgmtDLL();
// Create a new API object
GOBIHANDLE CreateAPI();
// Delete an existing API object
void DeleteAPI( GOBIHANDLE handle );
// Return the requested API object
cGobiConnectionMgmt * GetAPI( GOBIHANDLE handle );
protected:
/* API interface object */
std::map <GOBIHANDLE, cGobiConnectionMgmt *> mAPI;
/* Synchronization object */
mutable pthread_mutex_t mSyncSection;
};
extern CGobiConnectionMgmtDLL gDLL;
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