143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
/*
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* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PIPE_H_
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#define _PIPE_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include "linux/msm_ipa.h"
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#include "Constants.h"
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#include "Logger.h"
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using namespace std;
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/*This class will be used to interact with the system pipes
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*by only referring to Client type.
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*It will allow "raw" data transfer to/from the IPA and
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*will allow a encapsulation of the header addition/
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*removal of a packets thus allowing
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*the test to deal only with IP packet.
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*/
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class Pipe
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{
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public:
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/* see Constants.h for nClientType / eConfiguration */
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Pipe(enum ipa_client_type nClientType,
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IPATestConfiguration eConfiguration);
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~Pipe();
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/*In this method the actual inode openning will occur.*/
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bool Init();
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/*The close of the inode*/
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void Destroy();
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/*Send the pBuffer(which is an ip[ packet)
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*after adding the header to the packet.*/
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int AddHeaderAndSend(
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unsigned char *pBuffer,
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size_t nIPPacketSize);
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/*Send raw data as is - no header removal
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*- nBytesToSend bytes will be added*/
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int Send(
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unsigned char *pBuffer,
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size_t nBytesToSend);
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/*Receive data from the IPA and remove its header*/
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int ReceiveAndRemoveHeader(
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unsigned char *pBuffer,
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size_t nIPPacketSize);
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/*Receive data from the IPA as is*/
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int Receive(unsigned char *pBuffer, size_t nBytesToReceive);
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/*return the Client type of this pipe.*/
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int GetClientType();
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/*Return the length of the header to be added to an
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*IP packet before it is being sent to the pipe
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*(This length will be determine by the Pipe's ClientType).
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*/
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int GetHeaderLengthAdd();
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/*Return the length of the header to be removed from a
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*packet before it is being sent to the user
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*(thus returning only the IP packet).
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*(This length will be determine by the Pipe's ClientType).
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*/
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int GetHeaderLengthRemove();
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private:
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void SetSpecificClientParameters(
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enum ipa_client_type nClientType,
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IPATestConfiguration eConfiguration);
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public:
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/*efault Headers(Can be changed in Derived classes).*/
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static unsigned char m_pUsbHeader[];
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static unsigned char m_pHSICHeader[];
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static unsigned char m_pA2DUNHeader[];
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static unsigned char m_pA2NDUNHeader[];
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static unsigned char m_pQ6LANHeader[];
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private:
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int m_Fd;
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/*The file descriptor which will be used to transfer data
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* via the inode(this inode will be created by the ITAKEM)
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*/
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enum ipa_client_type m_nClientType;
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int m_nHeaderLengthRemove;
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/*this length will be set in the
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* constructor in corresponds to m_nClientType
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*/
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int m_nHeaderLengthAdd;
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/*this length will be set in the constructor
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* in corresponds to m_nClientType
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*/
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unsigned char *m_pHeader;
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/*this pointer will be set to the current pipe used*/
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const char *m_pInodePath;
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/*this pointer will be set to the current pipe used*/
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bool m_bInitialized;
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IPATestConfiguration m_eConfiguration;
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/*The Pipes configuration env*/
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};
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#endif
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