mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
/** Dump fields and values in a socket to plot them with villasDump.py.
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*
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* @author Manuel Pitz <manuel.pitz@eonerc.rwth-aachen.de>
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <villas/dumper.hpp>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <villas/log.h>
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#include <unistd.h>
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using namespace villas;
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using namespace villas::node;
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Dumper::Dumper(const std::string socketNameIn) :
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socketName(""),
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supressRepeatedWarning(true),
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warningCounter(0)
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{
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openSocket(socketNameIn);
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}
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Dumper::~Dumper() {
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closeSocket();
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}
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int Dumper::openSocket(std::string socketNameIn)
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{
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socketName = socketNameIn;
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socketFd = socket(AF_LOCAL,SOCK_STREAM, 0);
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if (socketFd < 0) {
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info("Error creating socket %s", socketName.c_str());
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return -1;
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}
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sockaddr_un socketaddrUn;
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socketaddrUn.sun_family = AF_UNIX;
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strcpy(socketaddrUn.sun_path, socketName.c_str());
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socketName = socketNameIn;
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connect(socketFd, (struct sockaddr *) &socketaddrUn, sizeof(socketaddrUn));
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return 1;
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}
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void Dumper::closeSocket()
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{
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info("Remove socket");
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close(socketFd);
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}
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void Dumper::writeData(uint len, double *yData, double *xData)
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{
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ssize_t bytesWritten;
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for (uint i = 0; i<len; i++) {
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std::string str = std::to_string(yData[i]);
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if(xData != nullptr)
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str+= ";" + std::to_string(xData[i]);
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str += "\n";
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bytesWritten = write(socketFd, str.c_str(), str.length());
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if ((long unsigned int) bytesWritten != str.length() && (!supressRepeatedWarning || warningCounter<1)) {
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warning("Could not send all content to socket %s", socketName.c_str());
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warningCounter++;
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}
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}
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}
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