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Add the Labs projects provided in the V10.2.1_191129 zip file.
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Richard Barry
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Tracealyzer Stream Port for TCP/IP (lwIP example)
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-------------------------------------------------
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This directory contains a "stream port" for the Tracealyzer recorder library,
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i.e., the specific code needed to use a particular interface for streaming a
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Tracealyzer RTOS trace. The stream port is defined by a set of macros in
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trcStreamingPort.h, found in the "include" directory.
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This particular stream port targets TCP/IP. This example assumes lwIP but is
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easy to modify for other TCP/IP stacks.
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To use this stream port, make sure that include/trcStreamingPort.h is found
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by the compiler (i.e., add this folder to your project's include paths) and
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add all included source files to your build. Make sure no other versions of
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trcStreamingPort.h are included by mistake!
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Note that lwIP is not included, but assumed to exist in the project already.
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See also http://percepio.com/2016/10/05/rtos-tracing.
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Percepio AB
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www.percepio.com
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/*******************************************************************************
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* Trace Recorder Library for Tracealyzer v4.1.5
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* Percepio AB, www.percepio.com
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*
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* trcStreamingPort.h
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*
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* The interface definitions for trace streaming ("stream ports").
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* This "stream port" sets up the recorder to use TCP/IP as streaming channel.
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* The example is for lwIP.
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*
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* Terms of Use
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* This file is part of the trace recorder library (RECORDER), which is the
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* intellectual property of Percepio AB (PERCEPIO) and provided under a
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* license as follows.
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* The RECORDER may be used free of charge for the purpose of recording data
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* intended for analysis in PERCEPIO products. It may not be used or modified
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* for other purposes without explicit permission from PERCEPIO.
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* You may distribute the RECORDER in its original source code form, assuming
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* this text (terms of use, disclaimer, copyright notice) is unchanged. You are
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* allowed to distribute the RECORDER with minor modifications intended for
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* configuration or porting of the RECORDER, e.g., to allow using it on a
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* specific processor, processor family or with a specific communication
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* interface. Any such modifications should be documented directly below
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* this comment block.
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*
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* Disclaimer
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* The RECORDER is being delivered to you AS IS and PERCEPIO makes no warranty
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* as to its use or performance. PERCEPIO does not and cannot warrant the
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* performance or results you may obtain by using the RECORDER or documentation.
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* PERCEPIO make no warranties, express or implied, as to noninfringement of
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* third party rights, merchantability, or fitness for any particular purpose.
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* In no event will PERCEPIO, its technology partners, or distributors be liable
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* to you for any consequential, incidental or special damages, including any
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* lost profits or lost savings, even if a representative of PERCEPIO has been
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* advised of the possibility of such damages, or for any claim by any third
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* party. Some jurisdictions do not allow the exclusion or limitation of
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* incidental, consequential or special damages, or the exclusion of implied
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* warranties or limitations on how long an implied warranty may last, so the
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* above limitations may not apply to you.
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*
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* Tabs are used for indent in this file (1 tab = 4 spaces)
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*
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* Copyright Percepio AB, 2018.
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* www.percepio.com
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******************************************************************************/
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#ifndef TRC_STREAMING_PORT_H
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#define TRC_STREAMING_PORT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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int32_t trcTcpRead(void* data, uint32_t size, int32_t *ptrBytesRead);
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int32_t trcTcpWrite(void* data, uint32_t size, int32_t *ptrBytesWritten);
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#define TRC_STREAM_PORT_READ_DATA(_ptrData, _size, _ptrBytesRead) trcTcpRead(_ptrData, _size, _ptrBytesRead)
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#define TRC_STREAM_PORT_WRITE_DATA(_ptrData, _size, _ptrBytesSent) trcTcpWrite(_ptrData, _size, _ptrBytesSent)
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#ifdef __cplusplus
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}
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#endif
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#endif /* TRC_STREAMING_PORT_H */
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/*******************************************************************************
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* Trace Recorder Library for Tracealyzer v4.1.5
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* Percepio AB, www.percepio.com
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*
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* trcStreamingPort.c
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*
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* Supporting functions for trace streaming, used by the "stream ports"
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* for reading and writing data to the interface.
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* Existing ports can easily be modified to fit another setup, e.g., a
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* different TCP/IP stack, or to define your own stream port.
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*
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* Terms of Use
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* This file is part of the trace recorder library (RECORDER), which is the
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* intellectual property of Percepio AB (PERCEPIO) and provided under a
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* license as follows.
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* The RECORDER may be used free of charge for the purpose of recording data
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* intended for analysis in PERCEPIO products. It may not be used or modified
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* for other purposes without explicit permission from PERCEPIO.
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* You may distribute the RECORDER in its original source code form, assuming
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* this text (terms of use, disclaimer, copyright notice) is unchanged. You are
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* allowed to distribute the RECORDER with minor modifications intended for
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* configuration or porting of the RECORDER, e.g., to allow using it on a
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* specific processor, processor family or with a specific communication
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* interface. Any such modifications should be documented directly below
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* this comment block.
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*
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* Disclaimer
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* The RECORDER is being delivered to you AS IS and PERCEPIO makes no warranty
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* as to its use or performance. PERCEPIO does not and cannot warrant the
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* performance or results you may obtain by using the RECORDER or documentation.
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* PERCEPIO make no warranties, express or implied, as to noninfringement of
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* third party rights, merchantability, or fitness for any particular purpose.
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* In no event will PERCEPIO, its technology partners, or distributors be liable
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* to you for any consequential, incidental or special damages, including any
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* lost profits or lost savings, even if a representative of PERCEPIO has been
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* advised of the possibility of such damages, or for any claim by any third
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* party. Some jurisdictions do not allow the exclusion or limitation of
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* incidental, consequential or special damages, or the exclusion of implied
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* warranties or limitations on how long an implied warranty may last, so the
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* above limitations may not apply to you.
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*
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* Tabs are used for indent in this file (1 tab = 4 spaces)
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*
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* Copyright Percepio AB, 2018.
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* www.percepio.com
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******************************************************************************/
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#include "trcRecorder.h"
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#if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
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#if (TRC_USE_TRACEALYZER_RECORDER == 1)
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/* TCP/IP includes - for lwIP in this case */
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#include "lwip/tcpip.h"
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#include "lwip/sockets.h"
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int errno;
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#define TRC_TCPIP_PORT 12000
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int sock = -1, new_sd = -1;
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int flags = 0;
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int remoteSize;
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struct sockaddr_in address, remote;
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int32_t trcSocketSend( void* data, int32_t size, int32_t* bytesWritten )
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{
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if (new_sd < 0)
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return -1;
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if (bytesWritten == NULL)
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return -1;
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*bytesWritten = send( new_sd, data, size, 0 );
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if (*bytesWritten < 0)
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{
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/* EWOULDBLOCK may be expected when buffers are full */
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if (errno != 0 && errno != EWOULDBLOCK)
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{
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closesocket(new_sd);
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new_sd = -1;
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return -1;
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}
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else
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*bytesWritten = 0;
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}
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return 0;
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}
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int32_t trcSocketReceive( void* data, int32_t size, int32_t* bytesRead )
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{
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if (new_sd < 0)
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return -1;
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*bytesRead = recv( new_sd, data, size, 0 );
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if ( *bytesRead < 0 )
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{
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/* EWOULDBLOCK may be expected when there is no data to receive */
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if (errno != 0 && errno != EWOULDBLOCK)
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{
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closesocket(new_sd);
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new_sd = -1;
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return -1;
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}
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else
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*bytesRead = 0;
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}
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return 0;
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}
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int32_t trcSocketInitializeListener()
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{
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if (sock >= 0)
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return 0;
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sock = lwip_socket(AF_INET, SOCK_STREAM, 0);
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if (sock < 0)
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return -1;
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address.sin_family = AF_INET;
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address.sin_port = htons( TRC_TCPIP_PORT );
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address.sin_addr.s_addr = INADDR_ANY;
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if (bind(sock, (struct sockaddr *)&address, sizeof (address)) < 0)
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{
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closesocket(sock);
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sock = -1;
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return -1;
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}
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if (lwip_listen(sock, 5) < 0)
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{
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closesocket(sock);
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sock = -1;
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return -1;
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}
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return 0;
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}
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int32_t trcSocketAccept()
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{
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if (sock < 0)
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return -1;
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if (new_sd >= 0)
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return 0;
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remoteSize = sizeof( remote );
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new_sd = accept( sock, (struct sockaddr *)&remote, (socklen_t*)&remoteSize );
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flags = fcntl( new_sd, F_GETFL, 0 );
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fcntl( new_sd, F_SETFL, flags | O_NONBLOCK );
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if( new_sd < 0 )
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{
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closesocket(new_sd);
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new_sd = -1;
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closesocket(sock);
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sock = -1;
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return -1;
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}
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return 0;
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}
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/************** MODIFY THE ABOVE PART TO USE YOUR TPC/IP STACK ****************/
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int32_t trcTcpWrite(void* data, uint32_t size, int32_t *ptrBytesWritten)
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{
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return trcSocketSend(data, size, ptrBytesWritten);
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}
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int32_t trcTcpRead(void* data, uint32_t size, int32_t *ptrBytesRead)
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{
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trcSocketInitializeListener();
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trcSocketAccept();
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return trcSocketReceive(data, size, ptrBytesRead);
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}
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#endif /*(TRC_USE_TRACEALYZER_RECORDER == 1)*/
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#endif /*(TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)*/
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