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https://github.com/outbackdingo/sysadm.git
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f5dab0048c
Also setup the server to make it easier to extend for API/library support in the backend. All backend functionality can now be added to the new "WebBackend.cpp" file (and WebSocket.h file for headers).
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
#include <stdio.h>
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#include "syscache-client.h"
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#include <unistd.h>
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#define LINEBREAK QString("<LINEBREAK>")
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#define DEBUG 1
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SysCacheClient::SysCacheClient(QObject *parent) : QLocalSocket(parent){
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connect(this, SIGNAL(connected()), this, SLOT(startRequest()));
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connect(this, SIGNAL(error(QLocalSocket::LocalSocketError)), this, SLOT(connectionError()));
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connect(this, SIGNAL(readyRead()), this, SLOT(requestFinished()) );
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}
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SysCacheClient::~SysCacheClient(){
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}
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QStringList SysCacheClient::parseInputs(QStringList inputs){
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SysCacheClient client;
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client.userRequest = inputs;
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client.servRequest = inputs;
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if(DEBUG){ qDebug() << "Syscache Request:" << inputs; }
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//Convert the user request into server request formatting
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//Now start the connection to the server
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client.connectToServer("/var/run/syscache.pipe", QIODevice::ReadWrite | QIODevice::Text);
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QCoreApplication::processEvents();
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usleep(100);
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//Wait for the socket to connect to the server
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while(client.state() != QLocalSocket::ConnectedState){
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usleep(100); //this connection should happen very fast
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QCoreApplication::processEvents();
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}
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//qDebug() << "Syscache connected";
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//Now wait for the server to process the request and send a reply
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while( client.state() != QLocalSocket::UnconnectedState && client.isValid() && client.ans.isEmpty()){
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usleep(400);
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QCoreApplication::processEvents();
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}
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//qDebug() << " - Syscache disconnected:" << client.ans;
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return client.ans;
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}
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void SysCacheClient::startRequest(){
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ans.clear();
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QTextStream out(this);
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servRequest.prepend("[NONCLI]"); //put the special non-CLI client flag in place
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out << servRequest.join("\n[/]\n");
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out << "\n[FINISHED]";
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}
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void SysCacheClient::requestFinished(){
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static bool running = false;
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if(running){ return; } //already reading stream
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running = true;
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if(DEBUG){ qDebug() << "Client Request Finished"; }
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QTextStream in(this);
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QString line;
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while(!line.endsWith("[FINISHED]")){
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line.append(in.readLine());
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QCoreApplication::processEvents();
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}
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line.remove("[FINISHED]");
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if(DEBUG){ qDebug() << "Reply:" << line; }
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QStringList output = line.split("[INFOSTART]");
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output.removeAll("[/]");
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output.removeAll("");
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if(DEBUG){ qDebug() << " - In List:" << output; }
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ans = output; //save it for later
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running = false;
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//qDebug() << " - Syscache connection closing" << ans;
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this->disconnectFromServer();
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}
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void SysCacheClient::connectionError(){
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qDebug() << "Client Connection Error:";
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if(this->error()==QLocalSocket::PeerClosedError){
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//requestFinished();
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}else{
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qDebug() << "[ERROR]" << this->errorString();
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qDebug() << " - Is the syscache daemon running?";
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}
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}
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