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cport.cc
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cport.cc
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/*
* This file is part of the rc_genicam_api package.
*
* Copyright (c) 2017 Roboception GmbH
* All rights reserved
*
* Author: Heiko Hirschmueller
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*/
#include "cport.h"
#include "exception.h"
#include <fstream>
#include <sstream>
#include <cctype>
#include <string>
#include <algorithm>
#ifdef _WIN32
#undef min
#undef max
#endif
namespace rcg
{
CPort::CPort(std::shared_ptr<const GenTLWrapper> _gentl, void **_port) : gentl(_gentl)
{
port=_port;
}
void CPort::Read(void *buffer, int64_t addr, int64_t length)
{
size_t size=0;
if (*port != 0)
{
int retry=1;
GenTL::GC_ERROR err=GenTL::GC_ERR_ERROR;
while (err != GenTL::GC_ERR_SUCCESS && retry > 0)
{
retry--;
size=static_cast<size_t>(length);
err=gentl->GCReadPort(*port, static_cast<uint64_t>(addr), buffer, &size);
}
if (err != GenTL::GC_ERR_SUCCESS)
{
std::ostringstream out;
out << "CPort::Read(address=0x" << std::hex << addr << ", length=" <<
std::dec << static_cast<size_t>(length) << ")";
throw GenTLException(out.str(), gentl);
}
if (size == 0)
{
throw GenTLException("CPort::Read(): Returned size is 0");
}
while (size < static_cast<size_t>(length))
{
reinterpret_cast<uint8_t *>(buffer)[size++]=0;
}
}
else
{
throw GenTLException("CPort::Read(): Port has been closed");
}
}
void CPort::Write(const void *buffer, int64_t addr, int64_t length)
{
size_t size=static_cast<size_t>(length);
if (*port != 0)
{
if (gentl->GCWritePort(*port, static_cast<uint64_t>(addr), buffer, &size) !=
GenTL::GC_ERR_SUCCESS)
{
std::ostringstream out;
out << "CPort::Write(address=0x" << std::hex << addr << ", length=" <<
std::dec << length << ")";
throw GenTLException(out.str(), gentl);
}
if (size != static_cast<size_t>(length))
{
throw GenTLException("CPort::Write(): Returned size not as expected");
}
}
else
{
throw GenTLException("CPort::Write(): Port has been closed");
}
}
GenApi::EAccessMode CPort::GetAccessMode() const
{
if (*port != 0)
{
return GenApi::RW;
}
return GenApi::NA;
}
namespace
{
inline std::string toLower(const std::string &s, size_t start, size_t size)
{
std::ostringstream out;
size_t end=std::min(s.size(), start+size);
while (start < end)
{
out << static_cast<char>(std::tolower(s[start++]));
}
return out.str();
}
}
std::shared_ptr<GenApi::CNodeMapRef> allocNodeMap(std::shared_ptr<const GenTLWrapper> gentl,
void *port, CPort *cport, const char *xml)
{
std::shared_ptr<GenApi::CNodeMapRef> nodemap(new GenApi::CNodeMapRef());
try
{
// get number of URLS that the given port provides
uint32_t n=0;
if (gentl->GCGetNumPortURLs(port, &n) != GenTL::GC_ERR_SUCCESS)
{
throw GenTLException("allocNodeMap()", gentl);
}
if (n == 0)
{
return std::shared_ptr<GenApi::CNodeMapRef>();
}
// get the first URL
GenTL::INFO_DATATYPE type;
char tmp[1024]="";
size_t size=sizeof(tmp);
if (gentl->GCGetPortURLInfo(port, 0, GenTL::URL_INFO_URL, &type, tmp, &size) !=
GenTL::GC_ERR_SUCCESS)
{
throw GenTLException("allocNodeMap()", gentl);
}
// interpret the URL and load XML File
std::string url=tmp;
if (toLower(url, 0, 6) == "local:")
{
// interpret local URL
size_t i=6;
if (url.compare(i, 3, "///") == 0)
{
i+=3;
}
std::stringstream in(url.substr(i));
std::string name, saddress, slength;
std::getline(in, name, ';');
std::getline(in, saddress, ';');
std::getline(in, slength, ';');
uint64_t address=std::stoull(saddress, 0, 16);
size_t length=static_cast<size_t>(std::stoull(slength, 0, 16));
// read XML or ZIP from registers
std::unique_ptr<char[]> buffer(new char[length+1]);
if (gentl->GCReadPort(port, address, buffer.get(), &length) != GenTL::GC_ERR_SUCCESS)
{
throw GenTLException("allocNodeMap()", gentl);
}
buffer.get()[length]='\0';
// store XML file
if (xml != 0)
{
if (xml[0] == '\0')
{
xml=name.c_str();
}
std::ofstream out(xml, std::ios::binary);
out.rdbuf()->sputn(buffer.get(), static_cast<std::streamsize>(length));
}
// load XML or ZIP from registers
if (name.size() > 4 && toLower(name, name.size()-4, 4) == ".zip")
{
nodemap->_LoadXMLFromZIPData(buffer.get(), length);
}
else
{
GENICAM_NAMESPACE::gcstring sxml=buffer.get();
nodemap->_LoadXMLFromString(sxml);
}
}
else if (toLower(url, 0, 5) == "file:")
{
// interpret local URL
size_t i=5;
if (url.compare(i, 3, "///") == 0)
{
i+=3;
}
std::string name=url.substr(i);
// load XML or ZIP from file
if (name.size() > 4 && toLower(name, name.size()-4, 4) == ".zip")
{
GENICAM_NAMESPACE::gcstring file=name.c_str();
nodemap->_LoadXMLFromZIPFile(file);
}
else
{
GENICAM_NAMESPACE::gcstring file=name.c_str();
nodemap->_LoadXMLFromFile(file);
}
}
else
{
throw GenTLException(("allocNodeMap(): Cannot interpret URL: "+url).c_str());
}
// get port name
size=sizeof(tmp);
if (gentl->GCGetPortInfo(port, GenTL::PORT_INFO_PORTNAME, &type, tmp, &size) !=
GenTL::GC_ERR_SUCCESS)
{
throw GenTLException("allocNodeMap()", gentl);
}
GENICAM_NAMESPACE::gcstring portname=tmp;
if (!nodemap->_Connect(cport, portname))
{
throw GenTLException((std::string("allocNodeMap(): Cannot connect port: ")+tmp).c_str());
}
}
catch (const GENICAM_NAMESPACE::GenericException &ex)
{
throw GenTLException(ex.what());
}
return nodemap;
}
}