From 1897e8237a23d87848e91a0bbf4396de694f96fa Mon Sep 17 00:00:00 2001
From: Siegfried Siegert <s.siegert@atb-online.eu>
Date: Wed, 13 Nov 2024 15:02:14 +0100
Subject: [PATCH] Add watcher for switching on/off modem

---
 include/hwapi.h |  4 +++-
 src/hwapi.cpp   | 47 +++++++++++++++++++++++++++++++++++++----------
 2 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/include/hwapi.h b/include/hwapi.h
index 910bd4f..f656f4b 100644
--- a/include/hwapi.h
+++ b/include/hwapi.h
@@ -117,7 +117,9 @@ private:
     ReportingThread *m_reportingThread;
     DownloadThread *m_downloadThread;
     QScopedPointer<QFileSystemWatcher> m_fileSystemWatcher;
-    QString m_watchedFile;
+
+    QString m_powerctrl_cc;
+    QString m_powerctrl_modem;
 
 private slots:
     void onCCWakeGpioChanged(QString const &file);
diff --git a/src/hwapi.cpp b/src/hwapi.cpp
index 74e0262..950fee4 100755
--- a/src/hwapi.cpp
+++ b/src/hwapi.cpp
@@ -60,16 +60,21 @@ hwapi::hwapi(QObject *parent) : QObject(parent)
 #endif
 
         QSettings settings("/opt/app/ATBAPP/ATBQT.ini", QSettings::IniFormat);
-        m_watchedFile = settings.value("AsyncPOS_CCPlugin/terminal_watch_file",
+        m_powerctrl_cc = settings.value("AsyncPOS_CCPlugin/terminal_watch_file",
                                        "/run/powerctrl_cc").toString();
 
         m_fileSystemWatcher.reset(new QFileSystemWatcher());
-        if (!m_fileSystemWatcher->addPath(m_watchedFile)) {
-            qCritical() << "cannot add path for" << m_watchedFile;
+
+        m_powerctrl_modem = "/run/powerctrl_modem";
+        m_fileSystemWatcher->addPath(m_powerctrl_modem);
+
+
+        if (!m_fileSystemWatcher->addPath(m_powerctrl_cc)) {
+            qCritical() << "cannot add path for" << m_powerctrl_cc;
         } else {
             if (connect(m_fileSystemWatcher.get(), SIGNAL(fileChanged(QString const&)),
                         this, SLOT(onCCWakeGpioChanged(QString const&)))) {
-                qCritical() << "connected file watcher with" << m_watchedFile;
+                qCritical() << "connected file watcher with" << m_powerctrl_cc;
             }
         }
 
@@ -137,9 +142,12 @@ hwapi::hwapi(QObject *parent) : QObject(parent)
 }
 
 void hwapi::onCCWakeGpioChanged(QString const &fileName) {
-    if (fileName == m_watchedFile) {
-        qCritical() << __func__ << ":" << __LINE__ << " " << m_watchedFile;
-        QFile f(m_watchedFile);
+
+    qCritical() << __func__ << ":" << __LINE__ << fileName;
+
+    if (fileName == m_powerctrl_cc) {
+
+        QFile f(m_powerctrl_cc);
         if (f.exists() && f.open(QFile::ReadOnly | QFile::Text)) {
             QTextStream stream(&f);
             QString const &content = stream.readAll();
@@ -162,11 +170,30 @@ void hwapi::onCCWakeGpioChanged(QString const &fileName) {
                 credit_switchWake(true);
             } else {
                 qCritical() << "switching cc-terminal watched file contained" << content;
-                QFile::resize(m_watchedFile, 0); // empty file
+                QFile::resize(m_powerctrl_cc, 0); // empty file
             }
         }
-    } else {
-        qCritical() << "ERROR watching the wrong file" << fileName << m_watchedFile;
+    }
+    else if (fileName == m_powerctrl_modem) {
+
+        QFile f(m_powerctrl_modem);
+        if (f.exists() && f.open(QFile::ReadOnly | QFile::Text)) {
+            QTextStream stream(&f);
+            QString const &content = stream.readAll();
+            if (content.startsWith("0")) {
+                qCritical() << __func__ << ":" << __LINE__ << "switching modem off...";
+                mod_switchWake(false);
+                mod_switchPower(false);
+            } else
+            if (content.startsWith("1")) {
+                qCritical() << __func__ << ":" << __LINE__ << "switching modem on...";
+                mod_switchWake(true);
+                mod_switchPower(true);
+            }
+        }
+    }
+    else {
+        qCritical() << "ERROR watching the wrong file" << fileName << m_powerctrl_cc;
     }
 }