Initial commit

Lts/Services/AudioVideoManagement/fm_control.cpp

@@ -0,0 +1,102 @@
+/**
+  * Communication with A/V system - fm server
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+
+#include "fm_control.h"
+#include "exercise_context.h"
+
+namespace AudioVideoManagement
+{
+
+FMControl::FMControl(const QString &fmServerHost, quint16 fmServerPort, QObject *parent)
+  : AVSocket(fmServerHost, fmServerPort, getLogger("FMControl"), getLogger("FMControl.IO"), parent)
+{
+}
+
+FMControl::~FMControl()
+{
+}
+
+
+void FMControl::onReadyRead()
+{
+  static const QByteArray baGreeter("RCP_FM/1.0");
+  while (m_avsSocket->canReadLine())
+  {
+    const QByteArray line = m_avsSocket->readLine().trimmed();
+    if (line.isEmpty())
+      continue;
+    DEBUG_LOG(m_loggerIO) << "From A/V: '" << line << "'";
+    if (line == baGreeter)
+      onRcpLogin();
+    else
+    {
+      const auto baList = parseLine(line);
+      bool bOk;
+      const Commands cmdId = static_cast<Commands>(baList.at(0).toInt(&bOk));
+      if (!bOk)
+      {
+        ERROR_LOG(m_logger) << "Error parsing command: '" << line << "'";
+        continue;
+      }
+      switch (cmdId)
+      {
+      case Commands::SyslogEvent:
+        break;
+      case Commands::AvEvent:
+        handleSubcommandAvEvent(line, baList);
+        break;
+      }
+    }
+  }
+}
+
+void FMControl::handleSubcommandAvEvent(const QByteArray &line, const QVector<QByteArray> &baList)
+{
+  if (baList.size() < 2)
+  {
+    ERROR_LOG(m_logger) << "Got unknown command from fm server: '" << line << "'";
+    return;
+  }
+  bool bOk;
+  const Subcommands subCmdId = static_cast<Subcommands>(baList.at(1).toInt(&bOk));
+  if (!bOk)
+  {
+    ERROR_LOG(m_logger) << "Error parsing command: '" << line << "'";
+    return;
+  }
+  switch (subCmdId)
+  {
+  case Subcommands::AllFilesDeleted:
+  {
+    // 266 2306 1477395849 4 "ECCORSV01" "AVS_Server" "All files of directory /data/uebung_11/ECRS are deleted"
+    if (baList.size() < 7)
+    {
+      ERROR_LOG(m_logger) << "Can not parse command from fm server: '" << line << "'";
+      return;
+    }
+    const QByteArray &str = baList.at(6);
+    const QByteArray startsWith("All files of directory ");
+    if (!str.startsWith(startsWith))
+      ERROR_LOG(m_logger) << "Can not parse FileDeletion command: '" << line << "'";
+    const QList<QByteArray> dirParts = str.split(' ').at(4).split('/');
+    if (dirParts.size() < 2)
+    {
+      ERROR_LOG(m_logger) << "Can not parse command from fm server: '" << line << "'";
+      return;
+    }
+    const ExerciseContext context = ExerciseContext::fromByteArray(dirParts.at(dirParts.size() - 2));  // /foo/bar/ctx_42/ECRS
+    emit fileDeletionCompleted(context);
+    break;
+  }
+  case Subcommands::FileDeletionProgress:
+    DEBUG_LOG(m_logger) << "File deletion in progress: '" << line << "'";
+    break;
+  }
+}
+
+} // namespace AudioVideoManagement