From d7ae42d3775f88d5cd63fa2f8860bd31e18f981e Mon Sep 17 00:00:00 2001
From: isanae <14251494+isanae@users.noreply.github.com>
Date: Sun, 8 Nov 2020 22:09:42 -0500
Subject: renamed singleinstance.h/cpp to multiprocess.h/cpp

---
 src/singleinstance.cpp | 102 -------------------------------------------------
 1 file changed, 102 deletions(-)
 delete mode 100644 src/singleinstance.cpp

(limited to 'src/singleinstance.cpp')

diff --git a/src/singleinstance.cpp b/src/singleinstance.cpp
deleted file mode 100644
index 401381fd..00000000
--- a/src/singleinstance.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#include "singleinstance.h"
-#include "utility.h"
-#include <report.h>
-#include <log.h>
-#include <QLocalSocket>
-
-static const char s_Key[] = "mo-43d1a3ad-eeb0-4818-97c9-eda5216c29b5";
-static const int s_Timeout = 5000;
-
-using MOBase::reportError;
-
-MOMultiProcess::MOMultiProcess(bool allowMultiple, QObject *parent) :
-  QObject(parent), m_Ephemeral(false), m_OwnsSM(false)
-{
-  m_SharedMem.setKey(s_Key);
-
-  if (!m_SharedMem.create(1)) {
-    if (m_SharedMem.error() == QSharedMemory::AlreadyExists) {
-      if (!allowMultiple) {
-        m_SharedMem.attach();
-        m_Ephemeral = true;
-      }
-    }
-
-    if ((m_SharedMem.error() != QSharedMemory::NoError) &&
-        (m_SharedMem.error() != QSharedMemory::AlreadyExists)) {
-      throw MOBase::MyException(tr("SHM error: %1").arg(m_SharedMem.errorString()));
-    }
-  } else {
-    m_OwnsSM = true;
-  }
-
-  if (m_OwnsSM) {
-    connect(&m_Server, SIGNAL(newConnection()), this, SLOT(receiveMessage()), Qt::QueuedConnection);
-    // has to be called before listen
-    m_Server.setSocketOptions(QLocalServer::WorldAccessOption);
-    m_Server.listen(s_Key);
-  }
-}
-
-
-void MOMultiProcess::sendMessage(const QString &message)
-{
-  if (m_OwnsSM) {
-    // nobody there to receive the message
-    return;
-  }
-  QLocalSocket socket(this);
-
-  bool connected = false;
-  for(int i = 0; i < 2 && !connected; ++i) {
-    if (i > 0) {
-      Sleep(250);
-    }
-
-    // other process may be just starting up
-    socket.connectToServer(s_Key, QIODevice::WriteOnly);
-    connected = socket.waitForConnected(s_Timeout);
-  }
-
-  if (!connected) {
-    reportError(tr("failed to connect to running process: %1").arg(socket.errorString()));
-    return;
-  }
-
-  socket.write(message.toUtf8());
-  if (!socket.waitForBytesWritten(s_Timeout)) {
-    reportError(tr("failed to communicate with running process: %1").arg(socket.errorString()));
-    return;
-  }
-
-  socket.disconnectFromServer();
-  socket.waitForDisconnected();
-}
-
-void MOMultiProcess::receiveMessage()
-{
-  QLocalSocket *socket = m_Server.nextPendingConnection();
-  if (!socket) {
-    return;
-  }
-
-  if (!socket->waitForReadyRead(s_Timeout)) {
-    // check if there are bytes available; if so, it probably means the data was
-    // already received by the time waitForReadyRead() was called and the
-    // connection has been closed
-    const auto av = socket->bytesAvailable();
-
-    if (av <= 0) {
-      MOBase::log::error(
-        "failed to receive data from secondary process: {}",
-        socket->errorString());
-
-      reportError(tr("failed to receive data from secondary process: %1").arg(socket->errorString()));
-      return;
-    }
-  }
-
-  QString message = QString::fromUtf8(socket->readAll().constData());
-  emit messageSent(message);
-  socket->disconnectFromServer();
-}
-- 
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