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Diffstat (limited to 'libraries/LocalPeer/src/LocalPeer.cpp')
-rw-r--r--libraries/LocalPeer/src/LocalPeer.cpp260
1 files changed, 127 insertions, 133 deletions
diff --git a/libraries/LocalPeer/src/LocalPeer.cpp b/libraries/LocalPeer/src/LocalPeer.cpp
index 2cdaf609af..1ae9694b9c 100644
--- a/libraries/LocalPeer/src/LocalPeer.cpp
+++ b/libraries/LocalPeer/src/LocalPeer.cpp
@@ -38,7 +38,6 @@
**
****************************************************************************/
-
#include "LocalPeer.h"
#include <QCoreApplication>
#include <QDataStream>
@@ -51,7 +50,7 @@
#if defined(Q_OS_WIN)
#include <QLibrary>
#include <qt_windows.h>
-typedef BOOL(WINAPI*PProcessIdToSessionId)(DWORD,DWORD*);
+typedef BOOL(WINAPI* PProcessIdToSessionId)(DWORD, DWORD*);
static PProcessIdToSessionId pProcessIdToSessionId = 0;
#endif
#if defined(Q_OS_UNIX)
@@ -68,174 +67,169 @@ static const char* ack = "ack";
ApplicationId ApplicationId::fromTraditionalApp()
{
- QString protoId = QCoreApplication::applicationFilePath();
+ QString protoId = QCoreApplication::applicationFilePath();
#if defined(Q_OS_WIN)
- protoId = protoId.toLower();
+ protoId = protoId.toLower();
#endif
- auto prefix = protoId.section(QLatin1Char('/'), -1);
- prefix.remove(QRegularExpression("[^a-zA-Z]"));
- prefix.truncate(6);
- QByteArray idc = protoId.toUtf8();
- quint16 idNum = qChecksum(idc.constData(), idc.size());
- auto socketName = QLatin1String("qtsingleapp-") + prefix + QLatin1Char('-') + QString::number(idNum, 16);
+ auto prefix = protoId.section(QLatin1Char('/'), -1);
+ prefix.remove(QRegularExpression("[^a-zA-Z]"));
+ prefix.truncate(6);
+ QByteArray idc = protoId.toUtf8();
+ quint16 idNum = qChecksum(idc.constData(), idc.size());
+ auto socketName = QLatin1String("qtsingleapp-") + prefix +
+ QLatin1Char('-') + QString::number(idNum, 16);
#if defined(Q_OS_WIN)
- if (!pProcessIdToSessionId)
- {
- QLibrary lib("kernel32");
- pProcessIdToSessionId = (PProcessIdToSessionId)lib.resolve("ProcessIdToSessionId");
- }
- if (pProcessIdToSessionId)
- {
- DWORD sessionId = 0;
- pProcessIdToSessionId(GetCurrentProcessId(), &sessionId);
- socketName += QLatin1Char('-') + QString::number(sessionId, 16);
- }
+ if (!pProcessIdToSessionId) {
+ QLibrary lib("kernel32");
+ pProcessIdToSessionId =
+ (PProcessIdToSessionId)lib.resolve("ProcessIdToSessionId");
+ }
+ if (pProcessIdToSessionId) {
+ DWORD sessionId = 0;
+ pProcessIdToSessionId(GetCurrentProcessId(), &sessionId);
+ socketName += QLatin1Char('-') + QString::number(sessionId, 16);
+ }
#else
- socketName += QLatin1Char('-') + QString::number(::getuid(), 16);
+ socketName += QLatin1Char('-') + QString::number(::getuid(), 16);
#endif
- return ApplicationId(socketName);
+ return ApplicationId(socketName);
}
-ApplicationId ApplicationId::fromPathAndVersion(const QString& dataPath, const QString& version)
+ApplicationId ApplicationId::fromPathAndVersion(const QString& dataPath,
+ const QString& version)
{
- QCryptographicHash shasum(QCryptographicHash::Algorithm::Sha1);
- QString result = dataPath + QLatin1Char('-') + version;
- shasum.addData(result.toUtf8());
- return ApplicationId(QLatin1String("qtsingleapp-") + QString::fromLatin1(shasum.result().toHex()));
+ QCryptographicHash shasum(QCryptographicHash::Algorithm::Sha1);
+ QString result = dataPath + QLatin1Char('-') + version;
+ shasum.addData(result.toUtf8());
+ return ApplicationId(QLatin1String("qtsingleapp-") +
+ QString::fromLatin1(shasum.result().toHex()));
}
ApplicationId ApplicationId::fromCustomId(const QString& id)
{
- return ApplicationId(QLatin1String("qtsingleapp-") + id);
+ return ApplicationId(QLatin1String("qtsingleapp-") + id);
}
ApplicationId ApplicationId::fromRawString(const QString& id)
{
- return ApplicationId(id);
+ return ApplicationId(id);
}
-LocalPeer::LocalPeer(QObject * parent, const ApplicationId &appId)
- : QObject(parent), id(appId)
+LocalPeer::LocalPeer(QObject* parent, const ApplicationId& appId)
+ : QObject(parent), id(appId)
{
- socketName = id.toString();
- server.reset(new QLocalServer());
- QString lockName = QDir(QDir::tempPath()).absolutePath() + QLatin1Char('/') + socketName + QLatin1String("-lockfile");
- lockFile.reset(new LockedFile(lockName));
- lockFile->open(QIODevice::ReadWrite);
+ socketName = id.toString();
+ server.reset(new QLocalServer());
+ QString lockName = QDir(QDir::tempPath()).absolutePath() +
+ QLatin1Char('/') + socketName +
+ QLatin1String("-lockfile");
+ lockFile.reset(new LockedFile(lockName));
+ lockFile->open(QIODevice::ReadWrite);
}
-LocalPeer::~LocalPeer()
-{
-}
+LocalPeer::~LocalPeer() {}
ApplicationId LocalPeer::applicationId() const
{
- return id;
+ return id;
}
bool LocalPeer::isClient()
{
- if (lockFile->isLocked())
- return false;
+ if (lockFile->isLocked())
+ return false;
- if (!lockFile->lock(LockedFile::WriteLock, false))
- return true;
+ if (!lockFile->lock(LockedFile::WriteLock, false))
+ return true;
- bool res = server->listen(socketName);
+ bool res = server->listen(socketName);
#if defined(Q_OS_UNIX)
- // ### Workaround
- if (!res && server->serverError() == QAbstractSocket::AddressInUseError) {
- QFile::remove(QDir::cleanPath(QDir::tempPath())+QLatin1Char('/')+socketName);
- res = server->listen(socketName);
- }
+ // ### Workaround
+ if (!res && server->serverError() == QAbstractSocket::AddressInUseError) {
+ QFile::remove(QDir::cleanPath(QDir::tempPath()) + QLatin1Char('/') +
+ socketName);
+ res = server->listen(socketName);
+ }
#endif
- if (!res)
- qWarning("QtSingleCoreApplication: listen on local socket failed, %s", qPrintable(server->errorString()));
- QObject::connect(server.get(), SIGNAL(newConnection()), SLOT(receiveConnection()));
- return false;
+ if (!res)
+ qWarning("QtSingleCoreApplication: listen on local socket failed, %s",
+ qPrintable(server->errorString()));
+ QObject::connect(server.get(), SIGNAL(newConnection()),
+ SLOT(receiveConnection()));
+ return false;
}
-
-bool LocalPeer::sendMessage(const QByteArray &message, int timeout)
+bool LocalPeer::sendMessage(const QByteArray& message, int timeout)
{
- if (!isClient())
- return false;
-
- QLocalSocket socket;
- bool connOk = false;
- for(int i = 0; i < 2; i++) {
- // Try twice, in case the other instance is just starting up
- socket.connectToServer(socketName);
- connOk = socket.waitForConnected(timeout/2);
- if (connOk || i)
- {
- break;
- }
- std::this_thread::sleep_for(std::chrono::milliseconds(250));
- }
- if (!connOk)
- {
- return false;
- }
-
- QByteArray uMsg(message);
- QDataStream ds(&socket);
-
- ds.writeBytes(uMsg.constData(), uMsg.size());
- if(!socket.waitForBytesWritten(timeout))
- {
- return false;
- }
-
- // wait for 'ack'
- if(!socket.waitForReadyRead(timeout))
- {
- return false;
- }
-
- // make sure we got 'ack'
- if(!(socket.read(qstrlen(ack)) == ack))
- {
- return false;
- }
- return true;
+ if (!isClient())
+ return false;
+
+ QLocalSocket socket;
+ bool connOk = false;
+ for (int i = 0; i < 2; i++) {
+ // Try twice, in case the other instance is just starting up
+ socket.connectToServer(socketName);
+ connOk = socket.waitForConnected(timeout / 2);
+ if (connOk || i) {
+ break;
+ }
+ std::this_thread::sleep_for(std::chrono::milliseconds(250));
+ }
+ if (!connOk) {
+ return false;
+ }
+
+ QByteArray uMsg(message);
+ QDataStream ds(&socket);
+
+ ds.writeBytes(uMsg.constData(), uMsg.size());
+ if (!socket.waitForBytesWritten(timeout)) {
+ return false;
+ }
+
+ // wait for 'ack'
+ if (!socket.waitForReadyRead(timeout)) {
+ return false;
+ }
+
+ // make sure we got 'ack'
+ if (!(socket.read(qstrlen(ack)) == ack)) {
+ return false;
+ }
+ return true;
}
-
void LocalPeer::receiveConnection()
{
- QLocalSocket* socket = server->nextPendingConnection();
- if (!socket)
- {
- return;
- }
-
- while (socket->bytesAvailable() < (int)sizeof(quint32))
- {
- socket->waitForReadyRead();
- }
- QDataStream ds(socket);
- QByteArray uMsg;
- quint32 remaining;
- ds >> remaining;
- uMsg.resize(remaining);
- int got = 0;
- char* uMsgBuf = uMsg.data();
- do
- {
- got = ds.readRawData(uMsgBuf, remaining);
- remaining -= got;
- uMsgBuf += got;
- } while (remaining && got >= 0 && socket->waitForReadyRead(2000));
- if (got < 0)
- {
- qWarning("QtLocalPeer: Message reception failed %s", socket->errorString().toLatin1().constData());
- delete socket;
- return;
- }
- socket->write(ack, qstrlen(ack));
- socket->waitForBytesWritten(1000);
- socket->waitForDisconnected(1000); // make sure client reads ack
- delete socket;
- emit messageReceived(uMsg); //### (might take a long time to return)
+ QLocalSocket* socket = server->nextPendingConnection();
+ if (!socket) {
+ return;
+ }
+
+ while (socket->bytesAvailable() < (int)sizeof(quint32)) {
+ socket->waitForReadyRead();
+ }
+ QDataStream ds(socket);
+ QByteArray uMsg;
+ quint32 remaining;
+ ds >> remaining;
+ uMsg.resize(remaining);
+ int got = 0;
+ char* uMsgBuf = uMsg.data();
+ do {
+ got = ds.readRawData(uMsgBuf, remaining);
+ remaining -= got;
+ uMsgBuf += got;
+ } while (remaining && got >= 0 && socket->waitForReadyRead(2000));
+ if (got < 0) {
+ qWarning("QtLocalPeer: Message reception failed %s",
+ socket->errorString().toLatin1().constData());
+ delete socket;
+ return;
+ }
+ socket->write(ack, qstrlen(ack));
+ socket->waitForBytesWritten(1000);
+ socket->waitForDisconnected(1000); // make sure client reads ack
+ delete socket;
+ emit messageReceived(uMsg); // ### (might take a long time to return)
}
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