NimSuggestServer: Connect to done() signal instead of finished()

Get rid of crashed() signal, since the handler of this signal was
doing the same as the handler for finished() signal.

Change-Id: I7cb2d53bbf0bdcea58c2101efe97a82505333740
Reviewed-by: hjk <hjk@qt.io>

src/plugins/nim/suggest/nimsuggest.cpp

@@ -32,8 +32,7 @@ NimSuggest::NimSuggest(QObject *parent)
     : QObject(parent)
 {
     connect(&m_server, &NimSuggestServer::started, this, &NimSuggest::onServerStarted);
-    connect(&m_server, &NimSuggestServer::crashed, this, &NimSuggest::onServerCrashed);
-    connect(&m_server, &NimSuggestServer::finished, this, &NimSuggest::onServerFinished);
+    connect(&m_server, &NimSuggestServer::done, this, &NimSuggest::onServerDone);
 
     connect(&m_client, &NimSuggestClient::disconnected, this, &NimSuggest::onClientDisconnected);
     connect(&m_client, &NimSuggestClient::connected, this, &NimSuggest::onClientConnected);
@@ -134,14 +133,13 @@ void NimSuggest::disconnectClient()
 
 void NimSuggest::stopServer()
 {
-    m_server.kill();
+    m_server.stop();
 }
 
 void NimSuggest::startServer()
 {
-    if (!m_projectFile.isEmpty() && !m_executablePath.isEmpty()) {
+    if (!m_projectFile.isEmpty() && !m_executablePath.isEmpty())
         m_server.start(m_executablePath, m_projectFile);
-    }
 }
 
 void NimSuggest::onServerStarted()
@@ -150,18 +148,13 @@ void NimSuggest::onServerStarted()
     connectClient();
 }
 
-void NimSuggest::onServerCrashed()
+void NimSuggest::onServerDone()
 {
     setServerReady(false);
     disconnectClient();
     restart();
 }
 
-void NimSuggest::onServerFinished()
-{
-    onServerCrashed();
-}
-
 void NimSuggest::onClientConnected()
 {
     setClientReady(true);

src/plugins/nim/suggest/nimsuggest.h

@@ -75,8 +75,7 @@ private:
     void startServer();
 
     void onServerStarted();
-    void onServerCrashed();
-    void onServerFinished();
+    void onServerDone();
 
     void onClientConnected();
     void onClientDisconnected();

src/plugins/nim/suggest/server.cpp

@@ -32,17 +32,11 @@ namespace Suggest {
 
 NimSuggestServer::NimSuggestServer(QObject *parent) : QObject(parent)
 {
-    connect(&m_process, &QtcProcess::finished, this, &NimSuggestServer::onFinished);
-    connect(&m_process, &QtcProcess::started, this, &NimSuggestServer::onStarted);
+    connect(&m_process, &QtcProcess::done, this, &NimSuggestServer::onDone);
     connect(&m_process, &QtcProcess::readyReadStandardOutput, this,
             &NimSuggestServer::onStandardOutputAvailable);
 }
 
-NimSuggestServer::~NimSuggestServer()
-{
-    kill();
-}
-
 QString NimSuggestServer::executablePath() const
 {
     return m_executablePath;
@@ -61,7 +55,7 @@ bool NimSuggestServer::start(const QString &executablePath,
         return false;
     }
 
-    m_port = 0;
+    stop();
     m_executablePath = executablePath;
     m_projectFilePath = projectFilePath;
     m_process.setCommand({FilePath::fromString(executablePath), {"--epc", m_projectFilePath}});
@@ -69,11 +63,9 @@ bool NimSuggestServer::start(const QString &executablePath,
     return true;
 }
 
-void NimSuggestServer::kill()
+void NimSuggestServer::stop()
 {
-    disconnect(&m_process, &QtcProcess::finished, this, &NimSuggestServer::onFinished);
-    m_process.kill();
-    m_process.waitForFinished();
+    m_process.close();
     clearState();
 }
 
@@ -87,15 +79,10 @@ QString NimSuggestServer::projectFilePath() const
     return m_projectFilePath;
 }
 
-void NimSuggestServer::onStarted()
-{
-    m_started = true;
-}
-
 void NimSuggestServer::onStandardOutputAvailable()
 {
-    if (m_started && !m_portAvailable) {
-        auto output = QString::fromUtf8(m_process.readAllStandardOutput());
+    if (!m_portAvailable) {
+        const QString output = QString::fromUtf8(m_process.readAllStandardOutput());
         m_port = static_cast<uint16_t>(output.toUInt());
         m_portAvailable = true;
         emit started();
@@ -104,19 +91,14 @@ void NimSuggestServer::onStandardOutputAvailable()
     }
 }
 
-void NimSuggestServer::onFinished()
+void NimSuggestServer::onDone()
 {
     clearState();
-
-    if (m_process.exitStatus() == QProcess::CrashExit)
-        emit crashed();
-    else
-        emit finished();
+    emit done();
 }
 
 void NimSuggestServer::clearState()
 {
-    m_started = false;
     m_portAvailable = false;
     m_port = 0;
 }

src/plugins/nim/suggest/server.h

@@ -40,10 +40,9 @@ class NimSuggestServer : public QObject
 
 public:
     NimSuggestServer(QObject *parent = nullptr);
-    ~NimSuggestServer();
 
     bool start(const QString &executablePath, const QString &projectFilePath);
-    void kill();
+    void stop();
 
     quint16 port() const;
     QString executablePath() const;
@@ -51,16 +50,13 @@ public:
 
 signals:
     void started();
-    void finished();
-    void crashed();
+    void done();
 
 private:
-    void onStarted();
     void onStandardOutputAvailable();
-    void onFinished();
+    void onDone();
     void clearState();
 
-    bool m_started = false;
     bool m_portAvailable = false;
     Utils::QtcProcess m_process;
     quint16 m_port = 0;