From 0480576d43fb7ddcc16de9dab0619a1424f129fd Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Fri, 22 May 2009 14:21:06 +0200
Subject: SystemBackend ?berarbeitet

---
 .../SystemBackendProc/SystemBackendProc.cpp        | 22 ++++++++--------------
 src/modules/SystemBackendProc/SystemBackendProc.h  |  6 +++---
 2 files changed, 11 insertions(+), 17 deletions(-)

(limited to 'src/modules/SystemBackendProc')

diff --git a/src/modules/SystemBackendProc/SystemBackendProc.cpp b/src/modules/SystemBackendProc/SystemBackendProc.cpp
index 1888227..ab074b2 100644
--- a/src/modules/SystemBackendProc/SystemBackendProc.cpp
+++ b/src/modules/SystemBackendProc/SystemBackendProc.cpp
@@ -29,18 +29,18 @@ namespace Modules {
 
 boost::shared_ptr<SystemBackendProc> SystemBackendProc::backend;
 
-bool SystemBackendProc::getUptimeInfo(unsigned long *uptime, unsigned long *idleTime) {
+void SystemBackendProc::getUptimeInfo(unsigned long *uptime, unsigned long *idleTime) throw(Net::Exception) {
   Net::ThreadManager::get()->detach();
 
   uptimeFile.seekg(0, std::ios::beg);
 
   if(!uptimeFile.good())
-    return false;
+    throw(Net::Exception(Net::Exception::NOT_AVAILABLE));
 
   float f;
   uptimeFile >> f;
   if(!uptimeFile.good())
-    return false;
+    throw(Net::Exception(Net::Exception::NOT_AVAILABLE));
 
   if(uptime)
   *uptime = (unsigned long)f;
@@ -48,11 +48,9 @@ bool SystemBackendProc::getUptimeInfo(unsigned long *uptime, unsigned long *idle
   uptimeFile >> f;
   if(uptimeFile.good() && idleTime)
     *idleTime = (unsigned long)f;
-
-  return true;
 }
 
-bool SystemBackendProc::getMemoryInfo(unsigned long *totalMem, unsigned long *freeMem, unsigned long *totalSwap, unsigned long *freeSwap) {
+void SystemBackendProc::getMemoryInfo(unsigned long *totalMem, unsigned long *freeMem, unsigned long *totalSwap, unsigned long *freeSwap) throw(Net::Exception) {
   Net::ThreadManager::get()->detach();
 
   if(totalMem)
@@ -67,7 +65,7 @@ bool SystemBackendProc::getMemoryInfo(unsigned long *totalMem, unsigned long *fr
   meminfoFile.seekg(0, std::ios::beg);
 
   if(!meminfoFile.good())
-    return false;
+    throw(Net::Exception(Net::Exception::NOT_AVAILABLE));
 
   while(!meminfoFile.eof() && meminfoFile.good()) {
     std::string line;
@@ -92,11 +90,9 @@ bool SystemBackendProc::getMemoryInfo(unsigned long *totalMem, unsigned long *fr
     if((!totalMem || *totalMem) && (!freeMem || *freeMem) && (!totalSwap || *totalSwap) && (!freeSwap || *freeSwap))
       break;
   }
-
-  return true;
 }
 
-bool SystemBackendProc::getLoadInfo(unsigned long *currentLoad, unsigned long *nProcesses, float *loadAvg1, float *loadAvg5, float *loadAvg15) {
+void SystemBackendProc::getLoadInfo(unsigned long *currentLoad, unsigned long *nProcesses, float *loadAvg1, float *loadAvg5, float *loadAvg15) throw(Net::Exception) {
   Net::ThreadManager::get()->detach();
 
   unsigned long currentLoadValue = 0, nProcessesValue = 0;
@@ -105,13 +101,13 @@ bool SystemBackendProc::getLoadInfo(unsigned long *currentLoad, unsigned long *n
   loadFile.seekg(0, std::ios::beg);
 
   if(!loadFile.good())
-    return false;
+    throw(Net::Exception(Net::Exception::NOT_AVAILABLE));
 
   std::string line;
   std::getline(loadFile, line);
 
   if(line.empty())
-    return false;
+    throw(Net::Exception(Net::Exception::NOT_AVAILABLE));
 
   std::sscanf(line.c_str(), "%f %f %f %lu/%lu", &loadAvg1Value, &loadAvg5Value, &loadAvg15Value, &currentLoadValue, &nProcessesValue);
 
@@ -129,8 +125,6 @@ bool SystemBackendProc::getLoadInfo(unsigned long *currentLoad, unsigned long *n
 
   if(loadAvg15)
     *loadAvg15 = loadAvg15Value;
-
-  return true;
 }
 
 }
diff --git a/src/modules/SystemBackendProc/SystemBackendProc.h b/src/modules/SystemBackendProc/SystemBackendProc.h
index 9b36df4..eb2f8a6 100644
--- a/src/modules/SystemBackendProc/SystemBackendProc.h
+++ b/src/modules/SystemBackendProc/SystemBackendProc.h
@@ -39,9 +39,9 @@ class SystemBackendProc : public Common::SystemBackend, boost::noncopyable {
     SystemBackendProc() : uptimeFile("/proc/uptime"), meminfoFile("/proc/meminfo"), loadFile("/proc/loadavg") {}
 
   protected:
-    virtual bool getUptimeInfo(unsigned long *uptime, unsigned long *idleTime);
-    virtual bool getMemoryInfo(unsigned long *totalMem, unsigned long *freeMem, unsigned long *totalSwap, unsigned long *freeSwap);
-    virtual bool getLoadInfo(unsigned long *currentLoad, unsigned long *nProcesses, float *loadAvg1, float *loadAvg5, float *loadAvg15);
+    virtual void getUptimeInfo(unsigned long *uptime, unsigned long *idleTime) throw(Net::Exception);
+    virtual void getMemoryInfo(unsigned long *totalMem, unsigned long *freeMem, unsigned long *totalSwap, unsigned long *freeSwap) throw(Net::Exception);
+    virtual void getLoadInfo(unsigned long *currentLoad, unsigned long *nProcesses, float *loadAvg1, float *loadAvg5, float *loadAvg15) throw(Net::Exception);
 
   public:
     static void registerBackend() {
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