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#include "daemon.h"
#include "protocol.h"
#include "app.h"
#include <QTcpServer>
#include <QTcpSocket>
#include <QFile>
Daemon::Daemon(QObject *parent)
: QObject(parent)
, mServer(new QTcpServer(this))
, mClient(0)
, mProtocol(new Protocol(this))
, mApp(new App(this))
, mPort(10066)
{
loadDefaults();
if (!mServer->listen(QHostAddress::Any, mPort))
qDebug() << "Could not listen:" << mServer->errorString();
connect(mServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
connect(mProtocol, SIGNAL(commandReceived(const QStringList &)), this, SLOT(printCommand(const QStringList &)));
connect(mProtocol, SIGNAL(commandReceived(const QStringList &)), this, SLOT(handleCommands(const QStringList &)));
connect(mApp, SIGNAL(started(pid_t)), this, SLOT(appStarted(pid_t)));
connect(mApp, SIGNAL(stopped(pid_t,int,int)), this, SLOT(appStopped(pid_t,int,int)));
connect(mApp, SIGNAL(stdOut(pid_t,const QByteArray&)), this, SLOT(appStdout(pid_t,const QByteArray&)));
connect(mApp, SIGNAL(stdErr(pid_t,const QByteArray&)), this, SLOT(appStderr(pid_t,const QByteArray&)));
connect(mApp, SIGNAL(debugging(pid_t,quint16)), this, SLOT(appDebugging(pid_t,quint16)));
connect(mApp, SIGNAL(error(const QString&)), this, SLOT(appError(const QString&)));
if (!defaultApp.isEmpty())
mApp->start(defaultApp, defaultArgs);
}
Daemon::~Daemon()
{
}
void Daemon::newConnection()
{
if (!mServer->hasPendingConnections())
return;
clientDisconnect();
mClient = mServer->nextPendingConnection();
connect(mClient, SIGNAL(disconnected()), this, SLOT(clientDisconnect()));
connect(mClient, SIGNAL(readyRead()), this, SLOT(clientRead()));
}
void Daemon::printCommand(const QStringList &l)
{
qDebug() << l;
}
void Daemon::clientRead()
{
mProtocol->write(mClient->readAll());
}
void Daemon::clientDisconnect()
{
delete mClient;
mClient = 0;
}
void Daemon::handleCommands(const QStringList &list)
{
if (list.size() == 0) {
qDebug() << "no commands";
return;
}
const QString command(list.first());
if (command == "start") {
if (list.size() < 2) {
qDebug() << "too less options";
return;
}
mApp->start(list[1], defaultArgs + list.mid(2));
} else if (command == "stop") {
mApp->stop();
} else if (command == "debug") {
qDebug() << "debug not implemented";
} else if (command == "stdin") {
if(list.size() < 2) {
qDebug() << "too less options";
return;
}
mApp->write(list[1].toLocal8Bit());
} else if (command == "env") {
if(list.size() == 2) {
mApp->delEnv(list[1]);
} else if (list.size() == 3) {
mApp->addEnv(list[1], list[2]);
} else {
qDebug() << "Invalid arg count for env";
return;
}
} else {
qDebug() << "unknown command:" << list[0];
}
}
void Daemon::appStarted(pid_t pid)
{
if (!mClient)
return;
QStringList l("started");
l += QString::number(pid);
mClient->write(mProtocol->sendToClient(l).toLocal8Bit());
}
void Daemon::appStopped(pid_t pid, int exitStatus, int exitCode)
{
if (!mClient)
return;
QStringList l("stopped");
l += QString::number(pid);
l += QString::number(exitStatus);
l += QString::number(exitCode);
mClient->write(mProtocol->sendToClient(l).toLocal8Bit());
}
void Daemon::appStdout(pid_t pid, const QByteArray &data)
{
if (!mClient)
return;
QStringList l("stdout");
l += QString::number(pid);
l += QString::fromLocal8Bit(data);
mClient->write(mProtocol->sendToClient(l).toLocal8Bit());
}
void Daemon::appStderr(pid_t pid, const QByteArray &data)
{
if (!mClient)
return;
QStringList l("stderr");
l += QString::number(pid);
l += data;
mClient->write(mProtocol->sendToClient(l).toLocal8Bit());
}
void Daemon::appDebugging(pid_t pid, quint16 port)
{
if (!mClient)
return;
QStringList l("debugging");
l += QString::number(pid);
l += QString::number(port);
mClient->write(mProtocol->sendToClient(l).toLocal8Bit());
}
void Daemon::appError(const QString &text)
{
if (!mClient)
return;
QStringList l("error");
l += text;
mClient->write(mProtocol->sendToClient(l).toLocal8Bit());
}
void Daemon::loadDefaults()
{
QFile f("/system/bin/appdaemon.conf");
if (!f.open(QFile::ReadOnly)) {
qWarning("Could not read config file.");
return;
}
while (!f.atEnd()) {
QString line = f.readLine();
if (line.startsWith("start=")) {
defaultApp = line.mid(6).simplified();
qDebug() << "start=" << defaultApp;
} else if (line.startsWith("port=")) {
mPort = line.mid(5).simplified().toUInt();
if (mPort == 0)
qFatal("Invalid port");
} else if (line.startsWith("env=")) {
QString sub = line.mid(4).simplified();
int index = sub.indexOf('=');
if (index < 2) {
// ignore
} else {
mApp->addEnv(sub.left(index), sub.mid(index+1));
qDebug() << sub.left(index) << sub.mid(index+1);
}
} else if (line.startsWith("append=")) {
defaultArgs += line.mid(7).simplified();
qDebug() << defaultArgs;
}
}
// start=/usr/bin/launcher
// port=10066
// env=...
// append=...
}
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