mirror of
https://github.com/qelectrotech/qelectrotech-source-mirror.git
synced 2025-12-17 20:50:34 +01:00
Update SingleApplication to upstream master
This commit is contained in:
Laurent Trinques
@@ -1,6 +1,6 @@
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// The MIT License (MIT)
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//
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// Copyright (c) Itay Grudev 2015 - 2018
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// Copyright (c) Itay Grudev 2015 - 2020
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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@@ -33,412 +33,454 @@
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#include <cstddef>
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#include <QtCore/QDir>
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#include <QtCore/QThread>
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#include <QtCore/QByteArray>
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#include <QtCore/QDataStream>
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#include <QtCore/QElapsedTimer>
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#include <QtCore/QCryptographicHash>
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#include <QtNetwork/QLocalServer>
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#include <QtNetwork/QLocalSocket>
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#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
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#include <QtCore/QRandomGenerator>
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#else
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#include <QtCore/QDateTime>
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#endif
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#include "singleapplication.h"
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#include "singleapplication_p.h"
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#ifdef Q_OS_UNIX
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#include <unistd.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <pwd.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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#ifndef NOMINMAX
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#define NOMINMAX 1
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#endif
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#include <windows.h>
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#include <lmcons.h>
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#endif
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SingleApplicationPrivate::SingleApplicationPrivate( SingleApplication *q_ptr )
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: q_ptr( 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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memory = nullptr;
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instanceNumber = -1;
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server = nullptr;
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socket = nullptr;
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memory = nullptr;
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instanceNumber = 0;
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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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inst->checksum = blockChecksum();
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}
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memory->unlock();
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if( memory != nullptr ){
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memory->lock();
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auto *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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inst->primaryUser[0] = '\0';
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inst->checksum = blockChecksum();
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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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}
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QString SingleApplicationPrivate::getUsername()
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{
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#ifdef Q_OS_WIN
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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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return QString::fromWCharArray( username );
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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return QString::fromLocal8Bit( qgetenv( "USERNAME" ) );
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#else
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return qEnvironmentVariable( "USERNAME" );
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#endif
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#endif
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#ifdef Q_OS_UNIX
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QString username;
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uid_t uid = geteuid();
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struct passwd *pw = getpwuid( uid );
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if( pw )
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username = QString::fromLocal8Bit( pw->pw_name );
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if ( username.isEmpty() ){
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#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
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username = QString::fromLocal8Bit( qgetenv( "USER" ) );
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#else
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username = qEnvironmentVariable( "USER" );
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#endif
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}
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return username;
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#endif
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}
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void SingleApplicationPrivate::genBlockServerName()
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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 ( ! appDataList.isEmpty() )
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appData.addData( appDataList.join( "" ).toUtf8() );
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if( ! (options & SingleApplication::Mode::ExcludeAppPath) ) {
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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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#ifdef Q_OS_WIN
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appData.addData( SingleApplication::app_t::applicationFilePath().toLower().toUtf8() );
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appData.addData( 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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#ifdef Q_OS_WIN
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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( qgetenv("USERNAME") );
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}
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#endif
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#ifdef Q_OS_UNIX
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QByteArray username;
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uid_t uid = geteuid();
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struct passwd *pw = getpwuid(uid);
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if( pw ) {
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username = pw->pw_name;
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}
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if( username.isEmpty() ) {
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username = qgetenv("USER");
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}
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appData.addData(username);
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#endif
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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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appData.addData( getUsername().toUtf8() );
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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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// 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::initializeMemoryBlock()
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void SingleApplicationPrivate::initializeMemoryBlock() const
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{
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InstancesInfo* inst = static_cast<InstancesInfo*>( memory->data() );
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inst->primary = false;
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inst->secondary = 0;
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inst->primaryPid = -1;
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inst->checksum = blockChecksum();
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auto *inst = static_cast<InstancesInfo*>( memory->data() );
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inst->primary = false;
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inst->secondary = 0;
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inst->primaryPid = -1;
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inst->primaryUser[0] = '\0';
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inst->checksum = blockChecksum();
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}
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void SingleApplicationPrivate::startPrimary()
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{
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Q_Q(SingleApplication);
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// Reset the number of connections
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auto *inst = static_cast <InstancesInfo*>( memory->data() );
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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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inst->primary = true;
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inst->primaryPid = QCoreApplication::applicationPid();
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qstrncpy( inst->primaryUser, getUsername().toUtf8().data(), sizeof(inst->primaryUser) );
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inst->checksum = blockChecksum();
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instanceNumber = 0;
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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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// 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(
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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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InstancesInfo* inst = static_cast <InstancesInfo*>( memory->data() );
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inst->primary = true;
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inst->primaryPid = q->applicationPid();
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inst->checksum = blockChecksum();
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instanceNumber = 0;
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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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}
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void SingleApplicationPrivate::startSecondary()
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{
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auto *inst = static_cast <InstancesInfo*>( memory->data() );
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inst->secondary += 1;
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inst->checksum = blockChecksum();
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instanceNumber = inst->secondary;
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}
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void SingleApplicationPrivate::connectToPrimary( int msecs, ConnectionType connectionType )
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bool SingleApplicationPrivate::connectToPrimary( int msecs, 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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QElapsedTimer time;
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time.start();
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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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// 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 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( socket->state() == QLocalSocket::ConnectedState ) return true;
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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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if( socket->state() != QLocalSocket::ConnectedState ){
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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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while( true ){
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randomSleep();
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if( socket->state() != QLocalSocket::ConnectingState )
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socket->connectToServer( blockServerName );
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if( socket->state() == QLocalSocket::ConnectingState ){
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socket->waitForConnected( static_cast<int>(msecs - time.elapsed()) );
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}
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// If connected break out of the loop
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if( socket->state() == QLocalSocket::ConnectedState ) break;
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// If elapsed time since start is longer than the method timeout return
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if( time.elapsed() >= msecs ) return false;
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}
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}
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// Initialisation message according to the SingleApplication protocol
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QByteArray initMsg;
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QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
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writeStream.setVersion(QDataStream::Qt_5_6);
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writeStream.setVersion(QDataStream::Qt_5_6);
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#endif
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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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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
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quint16 checksum =
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qChecksum(
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initMsg.constData(),
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static_cast<quint32>(initMsg.length()));
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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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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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quint16 checksum = qChecksum(QByteArray(initMsg, static_cast<quint32>(initMsg.length())));
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#else
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#if TODO_LIST
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#pragma message("@TODO remove code for QT 6 or later")
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quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
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#endif
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quint16 checksum =
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qChecksum(
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QByteArrayView(
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initMsg.constData(),
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static_cast<quint32>(initMsg.length())));
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#endif
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writeStream << checksum;
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writeStream << checksum;
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// The header indicates the message length that follows
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QByteArray header;
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QDataStream headerStream(&header, QIODevice::WriteOnly);
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// The header indicates the message length that follows
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QByteArray header;
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QDataStream headerStream(&header, QIODevice::WriteOnly);
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
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headerStream.setVersion(QDataStream::Qt_5_6);
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headerStream.setVersion(QDataStream::Qt_5_6);
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#endif
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headerStream << static_cast <quint64>( initMsg.length() );
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headerStream << static_cast <quint64>( initMsg.length() );
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socket->write( header );
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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( header );
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socket->write( initMsg );
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bool result = socket->waitForBytesWritten( static_cast<int>(msecs - time.elapsed()) );
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socket->flush();
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return result;
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}
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quint16 SingleApplicationPrivate::blockChecksum()
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quint16 SingleApplicationPrivate::blockChecksum() const
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{
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
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return qChecksum(
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static_cast <const char *>( memory->data() ),
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offsetof( InstancesInfo, checksum )
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);
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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quint16 checksum = qChecksum(QByteArray(static_cast<const char*>(memory->constData()), offsetof(InstancesInfo, checksum)));
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#else
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||||
#if TODO_LIST
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#pragma message("@TODO remove code for QT 6 or later")
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#endif
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return qChecksum(
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QByteArrayView(
|
||||
static_cast <const char *>( memory->data() ),
|
||||
offsetof( InstancesInfo, checksum )));
|
||||
|
||||
quint16 checksum = qChecksum(static_cast<const char*>(memory->constData()), offsetof(InstancesInfo, checksum));
|
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#endif
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return checksum;
|
||||
}
|
||||
|
||||
qint64 SingleApplicationPrivate::primaryPid()
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||||
qint64 SingleApplicationPrivate::primaryPid() const
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{
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||||
qint64 pid;
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||||
qint64 pid;
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||||
|
||||
memory->lock();
|
||||
InstancesInfo* inst = static_cast<InstancesInfo*>( memory->data() );
|
||||
pid = inst->primaryPid;
|
||||
memory->unlock();
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||||
memory->lock();
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||||
auto *inst = static_cast<InstancesInfo*>( memory->data() );
|
||||
pid = inst->primaryPid;
|
||||
memory->unlock();
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||||
|
||||
return pid;
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||||
return pid;
|
||||
}
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||||
|
||||
QString SingleApplicationPrivate::primaryUser() const
|
||||
{
|
||||
QByteArray username;
|
||||
|
||||
memory->lock();
|
||||
auto *inst = static_cast<InstancesInfo*>( memory->data() );
|
||||
username = inst->primaryUser;
|
||||
memory->unlock();
|
||||
|
||||
return QString::fromUtf8( username );
|
||||
}
|
||||
|
||||
/**
|
||||
@brief Executed when a connection has been made to the LocalServer
|
||||
*/
|
||||
* @brief Executed when a connection has been made to the LocalServer
|
||||
*/
|
||||
void SingleApplicationPrivate::slotConnectionEstablished()
|
||||
{
|
||||
QLocalSocket *nextConnSocket = server->nextPendingConnection();
|
||||
connectionMap.insert(nextConnSocket, ConnectionInfo());
|
||||
QLocalSocket *nextConnSocket = server->nextPendingConnection();
|
||||
connectionMap.insert(nextConnSocket, ConnectionInfo());
|
||||
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::aboutToClose,
|
||||
[nextConnSocket, this]() {
|
||||
auto &info = connectionMap[nextConnSocket];
|
||||
Q_EMIT this->slotClientConnectionClosed( nextConnSocket, info.instanceId );
|
||||
}
|
||||
);
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::aboutToClose,
|
||||
[nextConnSocket, this](){
|
||||
auto &info = connectionMap[nextConnSocket];
|
||||
Q_EMIT this->slotClientConnectionClosed( nextConnSocket, info.instanceId );
|
||||
}
|
||||
);
|
||||
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::disconnected,
|
||||
[nextConnSocket, this](){
|
||||
connectionMap.remove(nextConnSocket);
|
||||
nextConnSocket->deleteLater();
|
||||
}
|
||||
);
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::disconnected, nextConnSocket, &QLocalSocket::deleteLater);
|
||||
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::readyRead,
|
||||
[nextConnSocket, this]() {
|
||||
auto &info = connectionMap[nextConnSocket];
|
||||
switch(info.stage) {
|
||||
case StageHeader:
|
||||
readInitMessageHeader(nextConnSocket);
|
||||
break;
|
||||
case StageBody:
|
||||
readInitMessageBody(nextConnSocket);
|
||||
break;
|
||||
case StageConnected:
|
||||
Q_EMIT this->slotDataAvailable( nextConnSocket, info.instanceId );
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
};
|
||||
}
|
||||
);
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::destroyed,
|
||||
[nextConnSocket, this](){
|
||||
connectionMap.remove(nextConnSocket);
|
||||
}
|
||||
);
|
||||
|
||||
QObject::connect(nextConnSocket, &QLocalSocket::readyRead,
|
||||
[nextConnSocket, this](){
|
||||
auto &info = connectionMap[nextConnSocket];
|
||||
switch(info.stage){
|
||||
case StageHeader:
|
||||
readInitMessageHeader(nextConnSocket);
|
||||
break;
|
||||
case StageBody:
|
||||
readInitMessageBody(nextConnSocket);
|
||||
break;
|
||||
case StageConnected:
|
||||
Q_EMIT this->slotDataAvailable( nextConnSocket, info.instanceId );
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
};
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::readInitMessageHeader( QLocalSocket *sock )
|
||||
{
|
||||
if (!connectionMap.contains( sock )) {
|
||||
return;
|
||||
}
|
||||
if (!connectionMap.contains( sock )){
|
||||
return;
|
||||
}
|
||||
|
||||
if( sock->bytesAvailable() < ( qint64 )sizeof( quint64 ) ) {
|
||||
return;
|
||||
}
|
||||
if( sock->bytesAvailable() < ( qint64 )sizeof( quint64 ) ){
|
||||
return;
|
||||
}
|
||||
|
||||
QDataStream headerStream( sock );
|
||||
QDataStream headerStream( sock );
|
||||
|
||||
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
|
||||
headerStream.setVersion( QDataStream::Qt_5_6 );
|
||||
headerStream.setVersion( QDataStream::Qt_5_6 );
|
||||
#endif
|
||||
|
||||
// Read the header to know the message length
|
||||
quint64 msgLen = 0;
|
||||
headerStream >> msgLen;
|
||||
ConnectionInfo &info = connectionMap[sock];
|
||||
info.stage = StageBody;
|
||||
info.msgLen = msgLen;
|
||||
// Read the header to know the message length
|
||||
quint64 msgLen = 0;
|
||||
headerStream >> msgLen;
|
||||
ConnectionInfo &info = connectionMap[sock];
|
||||
info.stage = StageBody;
|
||||
info.msgLen = msgLen;
|
||||
|
||||
if ( sock->bytesAvailable() >= (qint64) msgLen ) {
|
||||
readInitMessageBody( sock );
|
||||
}
|
||||
if ( sock->bytesAvailable() >= (qint64) msgLen ){
|
||||
readInitMessageBody( sock );
|
||||
}
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::readInitMessageBody( QLocalSocket *sock )
|
||||
{
|
||||
Q_Q(SingleApplication);
|
||||
Q_Q(SingleApplication);
|
||||
|
||||
if (!connectionMap.contains( sock )) {
|
||||
return;
|
||||
}
|
||||
if (!connectionMap.contains( sock )){
|
||||
return;
|
||||
}
|
||||
|
||||
ConnectionInfo &info = connectionMap[sock];
|
||||
if( sock->bytesAvailable() < ( qint64 )info.msgLen ) {
|
||||
return;
|
||||
}
|
||||
ConnectionInfo &info = connectionMap[sock];
|
||||
if( sock->bytesAvailable() < ( qint64 )info.msgLen ){
|
||||
return;
|
||||
}
|
||||
|
||||
// Read the message body
|
||||
QByteArray msgBytes = sock->read(info.msgLen);
|
||||
QDataStream readStream(msgBytes);
|
||||
// Read the message body
|
||||
QByteArray msgBytes = sock->read(info.msgLen);
|
||||
QDataStream readStream(msgBytes);
|
||||
|
||||
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
|
||||
readStream.setVersion( QDataStream::Qt_5_6 );
|
||||
readStream.setVersion( QDataStream::Qt_5_6 );
|
||||
#endif
|
||||
|
||||
// server name
|
||||
QByteArray latin1Name;
|
||||
readStream >> latin1Name;
|
||||
// server name
|
||||
QByteArray latin1Name;
|
||||
readStream >> latin1Name;
|
||||
|
||||
// connection type
|
||||
ConnectionType connectionType = InvalidConnection;
|
||||
quint8 connTypeVal = InvalidConnection;
|
||||
readStream >> connTypeVal;
|
||||
connectionType = static_cast <ConnectionType>( connTypeVal );
|
||||
// connection type
|
||||
ConnectionType connectionType = InvalidConnection;
|
||||
quint8 connTypeVal = InvalidConnection;
|
||||
readStream >> connTypeVal;
|
||||
connectionType = static_cast <ConnectionType>( connTypeVal );
|
||||
|
||||
// instance id
|
||||
quint32 instanceId = 0;
|
||||
readStream >> instanceId;
|
||||
// instance id
|
||||
quint32 instanceId = 0;
|
||||
readStream >> instanceId;
|
||||
|
||||
// checksum
|
||||
quint16 msgChecksum = 0;
|
||||
readStream >> msgChecksum;
|
||||
// checksum
|
||||
quint16 msgChecksum = 0;
|
||||
readStream >> msgChecksum;
|
||||
|
||||
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
|
||||
const quint16 actualChecksum =
|
||||
qChecksum(
|
||||
msgBytes.constData(),
|
||||
static_cast<quint32>( msgBytes.length() - sizeof( quint16 ) ) );
|
||||
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
|
||||
const quint16 actualChecksum = qChecksum(QByteArray(msgBytes, static_cast<quint32>(msgBytes.length() - sizeof(quint16))));
|
||||
#else
|
||||
#if TODO_LIST
|
||||
#pragma message("@TODO remove code for QT 6 or later")
|
||||
const quint16 actualChecksum = qChecksum(msgBytes.constData(), static_cast<quint32>(msgBytes.length() - sizeof(quint16)));
|
||||
#endif
|
||||
const quint16 actualChecksum =
|
||||
qChecksum(
|
||||
QByteArrayView(
|
||||
msgBytes.constData(),
|
||||
static_cast<quint32>(msgBytes.length() - sizeof(quint16))));
|
||||
#endif
|
||||
bool isValid = readStream.status() == QDataStream::Ok &&
|
||||
QLatin1String(latin1Name) == blockServerName &&
|
||||
msgChecksum == actualChecksum;
|
||||
|
||||
if( !isValid ) {
|
||||
sock->close();
|
||||
return;
|
||||
}
|
||||
bool isValid = readStream.status() == QDataStream::Ok &&
|
||||
QLatin1String(latin1Name) == blockServerName &&
|
||||
msgChecksum == actualChecksum;
|
||||
|
||||
info.instanceId = instanceId;
|
||||
info.stage = StageConnected;
|
||||
if( !isValid ){
|
||||
sock->close();
|
||||
return;
|
||||
}
|
||||
|
||||
if( connectionType == NewInstance ||
|
||||
( connectionType == SecondaryInstance &&
|
||||
options & SingleApplication::Mode::SecondaryNotification ) )
|
||||
{
|
||||
Q_EMIT q->instanceStarted();
|
||||
}
|
||||
info.instanceId = instanceId;
|
||||
info.stage = StageConnected;
|
||||
|
||||
if (sock->bytesAvailable() > 0) {
|
||||
Q_EMIT this->slotDataAvailable( sock, instanceId );
|
||||
}
|
||||
if( connectionType == NewInstance ||
|
||||
( connectionType == SecondaryInstance &&
|
||||
options & SingleApplication::Mode::SecondaryNotification ) )
|
||||
{
|
||||
Q_EMIT q->instanceStarted();
|
||||
}
|
||||
|
||||
if (sock->bytesAvailable() > 0){
|
||||
Q_EMIT this->slotDataAvailable( sock, instanceId );
|
||||
}
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::slotDataAvailable( QLocalSocket *dataSocket, quint32 instanceId )
|
||||
{
|
||||
Q_Q(SingleApplication);
|
||||
Q_EMIT q->receivedMessage( instanceId, dataSocket->readAll() );
|
||||
Q_Q(SingleApplication);
|
||||
Q_EMIT q->receivedMessage( instanceId, dataSocket->readAll() );
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::slotClientConnectionClosed( QLocalSocket *closedSocket, quint32 instanceId )
|
||||
{
|
||||
if( closedSocket->bytesAvailable() > 0 )
|
||||
Q_EMIT slotDataAvailable( closedSocket, instanceId );
|
||||
if( closedSocket->bytesAvailable() > 0 )
|
||||
Q_EMIT slotDataAvailable( closedSocket, instanceId );
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::randomSleep()
|
||||
{
|
||||
#if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 )
|
||||
QThread::msleep( QRandomGenerator::global()->bounded( 8u, 18u ));
|
||||
#else
|
||||
qsrand( QDateTime::currentMSecsSinceEpoch() % std::numeric_limits<uint>::max() );
|
||||
QThread::msleep( 8 + static_cast <unsigned long>( static_cast <float>( qrand() ) / RAND_MAX * 10 ));
|
||||
#endif
|
||||
}
|
||||
|
||||
void SingleApplicationPrivate::addAppData(const QString &data)
|
||||
{
|
||||
appDataList.push_back(data);
|
||||
}
|
||||
|
||||
QStringList SingleApplicationPrivate::appData() const
|
||||
{
|
||||
return appDataList;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user