mirror of
https://github.com/fergalmoran/flameshot.git
synced 2026-03-22 16:09:18 +00:00
reformatted to Mozilla code style
This commit is contained in:
Jeremy Borgman
committed by
borgmanJeremy
borgmanJeremy
parent
c0e2e48db4
commit
c8d15205be
660
external/singleapplication/singleapplication.cpp
vendored
660
external/singleapplication/singleapplication.cpp
vendored
@@ -22,335 +22,351 @@
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#include <cstdlib>
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#include <QtCore/QByteArray>
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#include <QtCore/QCryptographicHash>
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#include <QtCore/QDataStream>
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#include <QtCore/QDir>
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#include <QtCore/QProcess>
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#include <QtCore/QByteArray>
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#include <QtCore/QSemaphore>
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#include <QtCore/QSharedMemory>
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#include <QtCore/QStandardPaths>
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#include <QtCore/QCryptographicHash>
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#include <QtCore/QDataStream>
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#include <QtNetwork/QLocalServer>
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#include <QtNetwork/QLocalSocket>
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#ifdef Q_OS_UNIX
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#include <signal.h>
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#include <unistd.h>
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#include <signal.h>
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#include <unistd.h>
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#endif
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#ifdef Q_OS_WIN
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#include <windows.h>
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#include <lmcons.h>
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#include <lmcons.h>
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#include <windows.h>
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#endif
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#include "singleapplication.h"
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#include "singleapplication_p.h"
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SingleApplicationPrivate::SingleApplicationPrivate( SingleApplication *q_ptr ) : q_ptr( q_ptr ) {
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server = nullptr;
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socket = nullptr;
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SingleApplicationPrivate::SingleApplicationPrivate(SingleApplication* q_ptr)
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: q_ptr(q_ptr)
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{
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server = nullptr;
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socket = nullptr;
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}
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SingleApplicationPrivate::~SingleApplicationPrivate()
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{
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if( socket != nullptr ) {
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socket->close();
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delete socket;
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}
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if (socket != nullptr) {
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socket->close();
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delete socket;
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}
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memory->lock();
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InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
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if( server != nullptr ) {
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server->close();
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delete server;
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inst->primary = false;
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inst->primaryPid = -1;
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}
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memory->unlock();
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memory->lock();
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InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
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if (server != nullptr) {
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server->close();
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delete server;
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inst->primary = false;
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inst->primaryPid = -1;
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}
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memory->unlock();
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delete memory;
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delete memory;
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}
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void SingleApplicationPrivate::genBlockServerName( int timeout )
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void
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SingleApplicationPrivate::genBlockServerName(int timeout)
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{
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QCryptographicHash appData( QCryptographicHash::Sha256 );
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appData.addData( "SingleApplication", 17 );
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appData.addData( SingleApplication::app_t::applicationName().toUtf8() );
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appData.addData( SingleApplication::app_t::organizationName().toUtf8() );
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appData.addData( SingleApplication::app_t::organizationDomain().toUtf8() );
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QCryptographicHash appData(QCryptographicHash::Sha256);
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appData.addData("SingleApplication", 17);
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appData.addData(SingleApplication::app_t::applicationName().toUtf8());
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appData.addData(SingleApplication::app_t::organizationName().toUtf8());
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appData.addData(SingleApplication::app_t::organizationDomain().toUtf8());
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if( ! (options & SingleApplication::Mode::ExcludeAppVersion) ) {
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appData.addData( SingleApplication::app_t::applicationVersion().toUtf8() );
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}
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if (!(options & SingleApplication::Mode::ExcludeAppVersion)) {
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appData.addData(SingleApplication::app_t::applicationVersion().toUtf8());
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}
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if( ! (options & SingleApplication::Mode::ExcludeAppPath) ) {
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if (!(options & SingleApplication::Mode::ExcludeAppPath)) {
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#ifdef Q_OS_WIN
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appData.addData( SingleApplication::app_t::applicationFilePath().toLower().toUtf8() );
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appData.addData(
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SingleApplication::app_t::applicationFilePath().toLower().toUtf8());
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#else
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appData.addData( SingleApplication::app_t::applicationFilePath().toUtf8() );
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appData.addData(SingleApplication::app_t::applicationFilePath().toUtf8());
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#endif
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}
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}
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// User level block requires a user specific data in the hash
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if( options & SingleApplication::Mode::User ) {
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// User level block requires a user specific data in the hash
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if (options & SingleApplication::Mode::User) {
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#ifdef Q_OS_WIN
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Q_UNUSED(timeout);
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wchar_t username [ UNLEN + 1 ];
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// Specifies size of the buffer on input
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DWORD usernameLength = UNLEN + 1;
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if( GetUserNameW( username, &usernameLength ) ) {
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appData.addData( QString::fromWCharArray(username).toUtf8() );
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} else {
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appData.addData( QStandardPaths::standardLocations( QStandardPaths::HomeLocation ).join("").toUtf8() );
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}
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#endif
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#ifdef Q_OS_UNIX
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QProcess process;
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process.start( QStringLiteral("whoami"),QStringList{} );
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if( process.waitForFinished( timeout ) &&
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process.exitCode() == QProcess::NormalExit) {
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appData.addData( process.readLine() );
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} else {
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appData.addData(
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QDir(
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QStandardPaths::standardLocations( QStandardPaths::HomeLocation ).first()
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).absolutePath().toUtf8()
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);
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}
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#endif
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}
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// Replace the backslash in RFC 2045 Base64 [a-zA-Z0-9+/=] to comply with
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// server naming requirements.
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blockServerName = appData.result().toBase64().replace("/", "_");
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}
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void SingleApplicationPrivate::startPrimary( bool resetMemory )
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{
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Q_Q(SingleApplication);
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#ifdef Q_OS_UNIX
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// Handle any further termination signals to ensure the
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// QSharedMemory block is deleted even if the process crashes
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crashHandler();
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#endif
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// Successful creation means that no main process exists
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// So we start a QLocalServer to listen for connections
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QLocalServer::removeServer( blockServerName );
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server = new QLocalServer();
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// Restrict access to the socket according to the
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// SingleApplication::Mode::User flag on User level or no restrictions
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if( options & SingleApplication::Mode::User ) {
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server->setSocketOptions( QLocalServer::UserAccessOption );
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Q_UNUSED(timeout);
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wchar_t username[UNLEN + 1];
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// Specifies size of the buffer on input
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DWORD usernameLength = UNLEN + 1;
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if (GetUserNameW(username, &usernameLength)) {
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appData.addData(QString::fromWCharArray(username).toUtf8());
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} else {
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server->setSocketOptions( QLocalServer::WorldAccessOption );
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appData.addData(
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QStandardPaths::standardLocations(QStandardPaths::HomeLocation)
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.join("")
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.toUtf8());
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}
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#endif
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#ifdef Q_OS_UNIX
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QProcess process;
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process.start(QStringLiteral("whoami"), QStringList{});
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server->listen( blockServerName );
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QObject::connect(
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server,
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&QLocalServer::newConnection,
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this,
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&SingleApplicationPrivate::slotConnectionEstablished
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);
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// Reset the number of connections
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memory->lock();
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InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
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if( resetMemory ) {
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inst->secondary = 0;
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if (process.waitForFinished(timeout) &&
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process.exitCode() == QProcess::NormalExit) {
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appData.addData(process.readLine());
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} else {
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appData.addData(
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QDir(QStandardPaths::standardLocations(QStandardPaths::HomeLocation)
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.first())
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.absolutePath()
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.toUtf8());
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}
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#endif
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}
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inst->primary = true;
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inst->primaryPid = q->applicationPid();
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memory->unlock();
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instanceNumber = 0;
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// Replace the backslash in RFC 2045 Base64 [a-zA-Z0-9+/=] to comply with
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// server naming requirements.
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blockServerName = appData.result().toBase64().replace("/", "_");
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}
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void SingleApplicationPrivate::startSecondary()
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void
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SingleApplicationPrivate::startPrimary(bool resetMemory)
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{
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Q_Q(SingleApplication);
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#ifdef Q_OS_UNIX
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// Handle any further termination signals to ensure the
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// QSharedMemory block is deleted even if the process crashes
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crashHandler();
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#endif
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// Successful creation means that no main process exists
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// So we start a QLocalServer to listen for connections
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QLocalServer::removeServer(blockServerName);
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server = new QLocalServer();
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// Restrict access to the socket according to the
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// SingleApplication::Mode::User flag on User level or no restrictions
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if (options & SingleApplication::Mode::User) {
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server->setSocketOptions(QLocalServer::UserAccessOption);
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} else {
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server->setSocketOptions(QLocalServer::WorldAccessOption);
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}
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server->listen(blockServerName);
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QObject::connect(server,
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&QLocalServer::newConnection,
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this,
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&SingleApplicationPrivate::slotConnectionEstablished);
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// Reset the number of connections
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memory->lock();
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InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
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if (resetMemory) {
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inst->secondary = 0;
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}
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inst->primary = true;
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inst->primaryPid = q->applicationPid();
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memory->unlock();
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instanceNumber = 0;
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}
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void
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SingleApplicationPrivate::startSecondary()
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{
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#ifdef Q_OS_UNIX
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// Handle any further termination signals to ensure the
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// QSharedMemory block is deleted even if the process crashes
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crashHandler();
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// Handle any further termination signals to ensure the
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// QSharedMemory block is deleted even if the process crashes
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crashHandler();
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#endif
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}
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void SingleApplicationPrivate::connectToPrimary( int msecs, ConnectionType connectionType )
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void
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SingleApplicationPrivate::connectToPrimary(int msecs,
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ConnectionType connectionType)
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{
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// Connect to the Local Server of the Primary Instance if not already
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// connected.
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if( socket == nullptr ) {
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socket = new QLocalSocket();
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}
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// Connect to the Local Server of the Primary Instance if not already
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// connected.
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if (socket == nullptr) {
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socket = new QLocalSocket();
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}
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// If already connected - we are done;
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if( socket->state() == QLocalSocket::ConnectedState )
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return;
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// If already connected - we are done;
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if (socket->state() == QLocalSocket::ConnectedState)
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return;
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// If not connect
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if( socket->state() == QLocalSocket::UnconnectedState ||
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socket->state() == QLocalSocket::ClosingState ) {
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socket->connectToServer( blockServerName );
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}
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// If not connect
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if (socket->state() == QLocalSocket::UnconnectedState ||
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socket->state() == QLocalSocket::ClosingState) {
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socket->connectToServer(blockServerName);
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}
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// Wait for being connected
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if( socket->state() == QLocalSocket::ConnectingState ) {
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socket->waitForConnected( msecs );
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}
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// Wait for being connected
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if (socket->state() == QLocalSocket::ConnectingState) {
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socket->waitForConnected(msecs);
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}
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// Initialisation message according to the SingleApplication protocol
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if( socket->state() == QLocalSocket::ConnectedState ) {
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// Notify the parent that a new instance had been started;
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QByteArray initMsg;
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QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
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writeStream.setVersion(QDataStream::Qt_5_2);
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writeStream << blockServerName.toLatin1();
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writeStream << static_cast<quint8>(connectionType);
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writeStream << instanceNumber;
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quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
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writeStream << checksum;
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// Initialisation message according to the SingleApplication protocol
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if (socket->state() == QLocalSocket::ConnectedState) {
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// Notify the parent that a new instance had been started;
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QByteArray initMsg;
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QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
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writeStream.setVersion(QDataStream::Qt_5_2);
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writeStream << blockServerName.toLatin1();
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writeStream << static_cast<quint8>(connectionType);
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writeStream << instanceNumber;
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quint16 checksum =
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qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
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writeStream << checksum;
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socket->write( initMsg );
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socket->flush();
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socket->waitForBytesWritten( msecs );
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}
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socket->write(initMsg);
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socket->flush();
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socket->waitForBytesWritten(msecs);
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}
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}
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qint64 SingleApplicationPrivate::primaryPid()
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qint64
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SingleApplicationPrivate::primaryPid()
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{
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qint64 pid;
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qint64 pid;
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memory->lock();
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InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
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pid = inst->primaryPid;
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memory->unlock();
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memory->lock();
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InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
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pid = inst->primaryPid;
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memory->unlock();
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return pid;
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return pid;
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}
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#ifdef Q_OS_UNIX
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void SingleApplicationPrivate::crashHandler()
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{
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// Handle any further termination signals to ensure the
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// QSharedMemory block is deleted even if the process crashes
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signal( SIGHUP, SingleApplicationPrivate::terminate ); // 1
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signal( SIGINT, SingleApplicationPrivate::terminate ); // 2
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signal( SIGQUIT, SingleApplicationPrivate::terminate ); // 3
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signal( SIGILL, SingleApplicationPrivate::terminate ); // 4
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signal( SIGABRT, SingleApplicationPrivate::terminate ); // 6
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signal( SIGFPE, SingleApplicationPrivate::terminate ); // 8
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signal( SIGBUS, SingleApplicationPrivate::terminate ); // 10
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signal( SIGSEGV, SingleApplicationPrivate::terminate ); // 11
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signal( SIGSYS, SingleApplicationPrivate::terminate ); // 12
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signal( SIGPIPE, SingleApplicationPrivate::terminate ); // 13
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signal( SIGALRM, SingleApplicationPrivate::terminate ); // 14
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signal( SIGTERM, SingleApplicationPrivate::terminate ); // 15
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signal( SIGXCPU, SingleApplicationPrivate::terminate ); // 24
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signal( SIGXFSZ, SingleApplicationPrivate::terminate ); // 25
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}
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void
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SingleApplicationPrivate::crashHandler()
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{
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// Handle any further termination signals to ensure the
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// QSharedMemory block is deleted even if the process crashes
|
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signal(SIGHUP, SingleApplicationPrivate::terminate); // 1
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signal(SIGINT, SingleApplicationPrivate::terminate); // 2
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signal(SIGQUIT, SingleApplicationPrivate::terminate); // 3
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signal(SIGILL, SingleApplicationPrivate::terminate); // 4
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signal(SIGABRT, SingleApplicationPrivate::terminate); // 6
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signal(SIGFPE, SingleApplicationPrivate::terminate); // 8
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signal(SIGBUS, SingleApplicationPrivate::terminate); // 10
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signal(SIGSEGV, SingleApplicationPrivate::terminate); // 11
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signal(SIGSYS, SingleApplicationPrivate::terminate); // 12
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signal(SIGPIPE, SingleApplicationPrivate::terminate); // 13
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signal(SIGALRM, SingleApplicationPrivate::terminate); // 14
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signal(SIGTERM, SingleApplicationPrivate::terminate); // 15
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signal(SIGXCPU, SingleApplicationPrivate::terminate); // 24
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signal(SIGXFSZ, SingleApplicationPrivate::terminate); // 25
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}
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void SingleApplicationPrivate::terminate( int signum )
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{
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delete ((SingleApplication*)QCoreApplication::instance())->d_ptr;
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::exit( 128 + signum );
|
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}
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void
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SingleApplicationPrivate::terminate(int signum)
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{
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delete ((SingleApplication*)QCoreApplication::instance())->d_ptr;
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::exit(128 + signum);
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}
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#endif
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/**
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* @brief Executed when a connection has been made to the LocalServer
|
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*/
|
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void SingleApplicationPrivate::slotConnectionEstablished()
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void
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SingleApplicationPrivate::slotConnectionEstablished()
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{
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Q_Q(SingleApplication);
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Q_Q(SingleApplication);
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QLocalSocket *nextConnSocket = server->nextPendingConnection();
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QLocalSocket* nextConnSocket = server->nextPendingConnection();
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||||
|
||||
quint32 instanceId = 0;
|
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ConnectionType connectionType = InvalidConnection;
|
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if( nextConnSocket->waitForReadyRead( 100 ) ) {
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// read all data from message in same order/format as written
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QByteArray msgBytes = nextConnSocket->read(nextConnSocket->bytesAvailable() - static_cast<qint64>(sizeof(quint16)));
|
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QByteArray checksumBytes = nextConnSocket->read(sizeof(quint16));
|
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QDataStream readStream(msgBytes);
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readStream.setVersion(QDataStream::Qt_5_2);
|
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quint32 instanceId = 0;
|
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ConnectionType connectionType = InvalidConnection;
|
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if (nextConnSocket->waitForReadyRead(100)) {
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// read all data from message in same order/format as written
|
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QByteArray msgBytes = nextConnSocket->read(
|
||||
nextConnSocket->bytesAvailable() - static_cast<qint64>(sizeof(quint16)));
|
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QByteArray checksumBytes = nextConnSocket->read(sizeof(quint16));
|
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QDataStream readStream(msgBytes);
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readStream.setVersion(QDataStream::Qt_5_2);
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// server name
|
||||
QByteArray latin1Name;
|
||||
readStream >> latin1Name;
|
||||
// connectioon type
|
||||
quint8 connType = InvalidConnection;
|
||||
readStream >> connType;
|
||||
connectionType = static_cast<ConnectionType>(connType);
|
||||
// instance id
|
||||
readStream >> instanceId;
|
||||
// checksum
|
||||
quint16 msgChecksum = 0;
|
||||
QDataStream checksumStream(checksumBytes);
|
||||
checksumStream.setVersion(QDataStream::Qt_5_2);
|
||||
checksumStream >> msgChecksum;
|
||||
// server name
|
||||
QByteArray latin1Name;
|
||||
readStream >> latin1Name;
|
||||
// connectioon type
|
||||
quint8 connType = InvalidConnection;
|
||||
readStream >> connType;
|
||||
connectionType = static_cast<ConnectionType>(connType);
|
||||
// instance id
|
||||
readStream >> instanceId;
|
||||
// checksum
|
||||
quint16 msgChecksum = 0;
|
||||
QDataStream checksumStream(checksumBytes);
|
||||
checksumStream.setVersion(QDataStream::Qt_5_2);
|
||||
checksumStream >> msgChecksum;
|
||||
|
||||
const quint16 actualChecksum = qChecksum(msgBytes.constData(), static_cast<quint32>(msgBytes.length()));
|
||||
const quint16 actualChecksum =
|
||||
qChecksum(msgBytes.constData(), static_cast<quint32>(msgBytes.length()));
|
||||
|
||||
if (readStream.status() != QDataStream::Ok || QLatin1String(latin1Name) != blockServerName || msgChecksum != actualChecksum) {
|
||||
connectionType = InvalidConnection;
|
||||
}
|
||||
if (readStream.status() != QDataStream::Ok ||
|
||||
QLatin1String(latin1Name) != blockServerName ||
|
||||
msgChecksum != actualChecksum) {
|
||||
connectionType = InvalidConnection;
|
||||
}
|
||||
}
|
||||
|
||||
if( connectionType == InvalidConnection ) {
|
||||
nextConnSocket->close();
|
||||
delete nextConnSocket;
|
||||
return;
|
||||
}
|
||||
if (connectionType == InvalidConnection) {
|
||||
nextConnSocket->close();
|
||||
delete nextConnSocket;
|
||||
return;
|
||||
}
|
||||
|
||||
QObject::connect(
|
||||
nextConnSocket,
|
||||
&QLocalSocket::aboutToClose,
|
||||
this,
|
||||
[nextConnSocket, instanceId, this]() {
|
||||
emit this->slotClientConnectionClosed( nextConnSocket, instanceId );
|
||||
}
|
||||
);
|
||||
QObject::connect(nextConnSocket,
|
||||
&QLocalSocket::aboutToClose,
|
||||
this,
|
||||
[nextConnSocket, instanceId, this]() {
|
||||
emit this->slotClientConnectionClosed(nextConnSocket,
|
||||
instanceId);
|
||||
});
|
||||
|
||||
QObject::connect(
|
||||
nextConnSocket,
|
||||
&QLocalSocket::readyRead,
|
||||
this,
|
||||
[nextConnSocket, instanceId, this]() {
|
||||
emit this->slotDataAvailable( nextConnSocket, instanceId );
|
||||
}
|
||||
);
|
||||
QObject::connect(nextConnSocket,
|
||||
&QLocalSocket::readyRead,
|
||||
this,
|
||||
[nextConnSocket, instanceId, this]() {
|
||||
emit this->slotDataAvailable(nextConnSocket, instanceId);
|
||||
});
|
||||
|
||||
if( connectionType == NewInstance || (
|
||||
connectionType == SecondaryInstance &&
|
||||
options & SingleApplication::Mode::SecondaryNotification
|
||||
)
|
||||
) {
|
||||
emit q->instanceStarted();
|
||||
}
|
||||
if (connectionType == NewInstance ||
|
||||
(connectionType == SecondaryInstance &&
|
||||
options & SingleApplication::Mode::SecondaryNotification)) {
|
||||
emit q->instanceStarted();
|
||||
}
|
||||
|
||||
if( nextConnSocket->bytesAvailable() > 0 ) {
|
||||
emit this->slotDataAvailable( nextConnSocket, instanceId );
|
||||
}
|
||||
if (nextConnSocket->bytesAvailable() > 0) {
|
||||
emit this->slotDataAvailable(nextConnSocket, instanceId);
|
||||
}
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::slotDataAvailable( QLocalSocket *dataSocket, quint32 instanceId )
|
||||
void
|
||||
SingleApplicationPrivate::slotDataAvailable(QLocalSocket* dataSocket,
|
||||
quint32 instanceId)
|
||||
{
|
||||
Q_Q(SingleApplication);
|
||||
emit q->receivedMessage( instanceId, dataSocket->readAll() );
|
||||
Q_Q(SingleApplication);
|
||||
emit q->receivedMessage(instanceId, dataSocket->readAll());
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::slotClientConnectionClosed( QLocalSocket *closedSocket, quint32 instanceId )
|
||||
void
|
||||
SingleApplicationPrivate::slotClientConnectionClosed(QLocalSocket* closedSocket,
|
||||
quint32 instanceId)
|
||||
{
|
||||
if( closedSocket->bytesAvailable() > 0 )
|
||||
emit slotDataAvailable( closedSocket, instanceId );
|
||||
closedSocket->deleteLater();
|
||||
if (closedSocket->bytesAvailable() > 0)
|
||||
emit slotDataAvailable(closedSocket, instanceId);
|
||||
closedSocket->deleteLater();
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -360,63 +376,69 @@ void SingleApplicationPrivate::slotClientConnectionClosed( QLocalSocket *closedS
|
||||
* @param argv
|
||||
* @param {bool} allowSecondaryInstances
|
||||
*/
|
||||
SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary, Options options, int timeout )
|
||||
: app_t( argc, argv ), d_ptr( new SingleApplicationPrivate( this ) )
|
||||
SingleApplication::SingleApplication(int& argc,
|
||||
char* argv[],
|
||||
bool allowSecondary,
|
||||
Options options,
|
||||
int timeout)
|
||||
: app_t(argc, argv)
|
||||
, d_ptr(new SingleApplicationPrivate(this))
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
Q_D(SingleApplication);
|
||||
|
||||
// Store the current mode of the program
|
||||
d->options = options;
|
||||
// Store the current mode of the program
|
||||
d->options = options;
|
||||
|
||||
// Generating an application ID used for identifying the shared memory
|
||||
// block and QLocalServer
|
||||
d->genBlockServerName( timeout );
|
||||
// Generating an application ID used for identifying the shared memory
|
||||
// block and QLocalServer
|
||||
d->genBlockServerName(timeout);
|
||||
|
||||
// Guarantee thread safe behaviour with a shared memory block. Also by
|
||||
// explicitly attaching it and then deleting it we make sure that the
|
||||
// memory is deleted even if the process had crashed on Unix.
|
||||
// Guarantee thread safe behaviour with a shared memory block. Also by
|
||||
// explicitly attaching it and then deleting it we make sure that the
|
||||
// memory is deleted even if the process had crashed on Unix.
|
||||
#ifdef Q_OS_UNIX
|
||||
d->memory = new QSharedMemory( d->blockServerName );
|
||||
d->memory->attach();
|
||||
delete d->memory;
|
||||
d->memory = new QSharedMemory(d->blockServerName);
|
||||
d->memory->attach();
|
||||
delete d->memory;
|
||||
#endif
|
||||
d->memory = new QSharedMemory( d->blockServerName );
|
||||
d->memory = new QSharedMemory(d->blockServerName);
|
||||
|
||||
// Create a shared memory block
|
||||
if( d->memory->create( sizeof( InstancesInfo ) ) ) {
|
||||
d->startPrimary( true );
|
||||
// Create a shared memory block
|
||||
if (d->memory->create(sizeof(InstancesInfo))) {
|
||||
d->startPrimary(true);
|
||||
return;
|
||||
} else {
|
||||
// Attempt to attach to the memory segment
|
||||
if (d->memory->attach()) {
|
||||
d->memory->lock();
|
||||
InstancesInfo* inst = static_cast<InstancesInfo*>(d->memory->data());
|
||||
|
||||
if (!inst->primary) {
|
||||
d->startPrimary(false);
|
||||
d->memory->unlock();
|
||||
return;
|
||||
} else {
|
||||
// Attempt to attach to the memory segment
|
||||
if( d->memory->attach() ) {
|
||||
d->memory->lock();
|
||||
InstancesInfo* inst = static_cast<InstancesInfo*>(d->memory->data());
|
||||
}
|
||||
|
||||
if( ! inst->primary ) {
|
||||
d->startPrimary( false );
|
||||
d->memory->unlock();
|
||||
return;
|
||||
}
|
||||
|
||||
// Check if another instance can be started
|
||||
if( allowSecondary ) {
|
||||
inst->secondary += 1;
|
||||
d->instanceNumber = inst->secondary;
|
||||
d->startSecondary();
|
||||
if( d->options & Mode::SecondaryNotification ) {
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::SecondaryInstance );
|
||||
}
|
||||
d->memory->unlock();
|
||||
return;
|
||||
}
|
||||
|
||||
d->memory->unlock();
|
||||
// Check if another instance can be started
|
||||
if (allowSecondary) {
|
||||
inst->secondary += 1;
|
||||
d->instanceNumber = inst->secondary;
|
||||
d->startSecondary();
|
||||
if (d->options & Mode::SecondaryNotification) {
|
||||
d->connectToPrimary(timeout,
|
||||
SingleApplicationPrivate::SecondaryInstance);
|
||||
}
|
||||
}
|
||||
d->memory->unlock();
|
||||
return;
|
||||
}
|
||||
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::NewInstance );
|
||||
delete d;
|
||||
::exit( EXIT_SUCCESS );
|
||||
d->memory->unlock();
|
||||
}
|
||||
}
|
||||
|
||||
d->connectToPrimary(timeout, SingleApplicationPrivate::NewInstance);
|
||||
delete d;
|
||||
::exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -424,46 +446,52 @@ SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSeconda
|
||||
*/
|
||||
SingleApplication::~SingleApplication()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
delete d;
|
||||
Q_D(SingleApplication);
|
||||
delete d;
|
||||
}
|
||||
|
||||
bool SingleApplication::isPrimary()
|
||||
bool
|
||||
SingleApplication::isPrimary()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->server != nullptr;
|
||||
Q_D(SingleApplication);
|
||||
return d->server != nullptr;
|
||||
}
|
||||
|
||||
bool SingleApplication::isSecondary()
|
||||
bool
|
||||
SingleApplication::isSecondary()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->server == nullptr;
|
||||
Q_D(SingleApplication);
|
||||
return d->server == nullptr;
|
||||
}
|
||||
|
||||
quint32 SingleApplication::instanceId()
|
||||
quint32
|
||||
SingleApplication::instanceId()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->instanceNumber;
|
||||
Q_D(SingleApplication);
|
||||
return d->instanceNumber;
|
||||
}
|
||||
|
||||
qint64 SingleApplication::primaryPid()
|
||||
qint64
|
||||
SingleApplication::primaryPid()
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
return d->primaryPid();
|
||||
Q_D(SingleApplication);
|
||||
return d->primaryPid();
|
||||
}
|
||||
|
||||
bool SingleApplication::sendMessage( QByteArray message, int timeout )
|
||||
bool
|
||||
SingleApplication::sendMessage(QByteArray message, int timeout)
|
||||
{
|
||||
Q_D(SingleApplication);
|
||||
Q_D(SingleApplication);
|
||||
|
||||
// Nobody to connect to
|
||||
if( isPrimary() ) return false;
|
||||
// Nobody to connect to
|
||||
if (isPrimary())
|
||||
return false;
|
||||
|
||||
// Make sure the socket is connected
|
||||
d->connectToPrimary( timeout, SingleApplicationPrivate::Reconnect );
|
||||
// Make sure the socket is connected
|
||||
d->connectToPrimary(timeout, SingleApplicationPrivate::Reconnect);
|
||||
|
||||
d->socket->write( message );
|
||||
bool dataWritten = d->socket->flush();
|
||||
d->socket->waitForBytesWritten( timeout );
|
||||
return dataWritten;
|
||||
d->socket->write(message);
|
||||
bool dataWritten = d->socket->flush();
|
||||
d->socket->waitForBytesWritten(timeout);
|
||||
return dataWritten;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user