From ad7ee8df8ac73ef7754ccf1d5fb442ec23c879f1 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Thu, 27 Nov 2008 22:15:00 +0100
Subject: SystemBackendProc zum Modul gemacht

---
 src/modules/SystemBackendProc.cpp | 130 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 src/modules/SystemBackendProc.cpp

(limited to 'src/modules/SystemBackendProc.cpp')

diff --git a/src/modules/SystemBackendProc.cpp b/src/modules/SystemBackendProc.cpp
new file mode 100644
index 0000000..1af2f28
--- /dev/null
+++ b/src/modules/SystemBackendProc.cpp
@@ -0,0 +1,130 @@
+/*
+ * SystemBackendProc.cpp
+ *
+ * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SystemBackendProc.h"
+
+#include <cstdio>
+#include <cstring>
+
+#define init SystemBackendProc_LTX_init
+#define deinit SystemBackendProc_LTX_deinit
+
+namespace Mad {
+namespace Modules {
+
+SystemBackendProc *SystemBackendProc::backend = 0;
+
+bool SystemBackendProc::uptimeInfo(const sigc::slot<void, unsigned long, unsigned long> &callback) {
+  unsigned long uptime = 0, idleTime = 0;
+
+  uptimeFile.seekg(0, std::ios::beg);
+
+  if(!uptimeFile.good())
+    return false;
+
+  float f;
+  uptimeFile >> f;
+  if(!uptimeFile.good())
+    return false;
+
+  uptime = (unsigned long)f;
+
+  uptimeFile >> f;
+  if(uptimeFile.good())
+    idleTime = (unsigned long)f;
+
+  callback(uptime, idleTime);
+
+  return true;
+}
+
+bool SystemBackendProc::memoryInfo(const sigc::slot<void, unsigned long, unsigned long, unsigned long, unsigned long> &callback) {
+  unsigned long totalMem = 0, freeMem = 0, totalSwap = 0, freeSwap = 0;
+
+  meminfoFile.seekg(0, std::ios::beg);
+
+  if(!meminfoFile.good())
+    return false;
+
+  while(!meminfoFile.eof() && meminfoFile.good()) {
+    std::string line;
+    std::getline(meminfoFile, line);
+
+    char *name = new char[line.length()+1]; // is always long enough
+    unsigned long value;
+
+    if(std::sscanf(line.c_str(), "%s %lu", name, &value) == 2) {
+      if(std::strcmp(name, "MemTotal:") == 0)
+        totalMem = value;
+      else if(std::strcmp(name, "MemFree:") == 0)
+        freeMem = value;
+      else if(std::strcmp(name, "SwapTotal:") == 0)
+        totalSwap = value;
+      else if(std::strcmp(name, "SwapFree:") == 0)
+        freeSwap = value;
+    }
+
+    delete [] name;
+
+    if(totalMem && freeMem && totalSwap && freeSwap)
+      break;
+  }
+
+  callback(totalMem, freeMem, totalSwap, freeSwap);
+
+  return true;
+}
+
+bool SystemBackendProc::loadInfo(const sigc::slot<void, unsigned long, unsigned long, float, float, float> &callback) {
+  unsigned long currentLoad = 0, nProcesses = 0;
+  float loadAvg1 = 0, loadAvg5 = 0, loadAvg15 = 0;
+
+  loadFile.seekg(0, std::ios::beg);
+
+  if(!loadFile.good())
+    return false;
+
+  std::string line;
+  std::getline(loadFile, line);
+
+  if(line.empty())
+    return false;
+
+  std::sscanf(line.c_str(), "%f %f %f %lu/%lu", &loadAvg1, &loadAvg5, &loadAvg15, &currentLoad, &nProcesses);
+
+  callback(currentLoad, nProcesses, loadAvg1, loadAvg5, loadAvg15);
+
+  return true;
+}
+
+}
+}
+
+
+extern "C" {
+
+void init() {
+  Mad::Modules::SystemBackendProc::registerBackend();
+}
+
+void deinit() {
+  Mad::Modules::SystemBackendProc::unregisterBackend();
+}
+
+}
-- 
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