From b0ca04e1baf9a3405bfb50d7c3d95e8e425f4c3e Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Fri, 12 Sep 2008 00:40:06 +0200
Subject: Serverstatus zeigt die Speicherauslastung an

---
 src/Common/Backends/Makefile.in           |  2 ++
 src/Common/Backends/SystemBackendProc.cpp | 49 ++++++++++++++++++++++++++++---
 src/Common/Backends/SystemBackendProc.h   |  3 +-
 src/Common/Makefile.in                    |  2 ++
 src/Common/Request/Makefile.in            |  2 ++
 src/Common/SystemBackend.h                | 22 ++++++++++----
 6 files changed, 70 insertions(+), 10 deletions(-)

(limited to 'src/Common')

diff --git a/src/Common/Backends/Makefile.in b/src/Common/Backends/Makefile.in
index 431e582..3538513 100644
--- a/src/Common/Backends/Makefile.in
+++ b/src/Common/Backends/Makefile.in
@@ -119,6 +119,8 @@ PACKAGE_STRING = @PACKAGE_STRING@
 PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+PCRECPP_CFLAGS = @PCRECPP_CFLAGS@
+PCRECPP_LIBS = @PCRECPP_LIBS@
 PKG_CONFIG = @PKG_CONFIG@
 RANLIB = @RANLIB@
 SED = @SED@
diff --git a/src/Common/Backends/SystemBackendProc.cpp b/src/Common/Backends/SystemBackendProc.cpp
index d33fbf3..7e9fcbd 100644
--- a/src/Common/Backends/SystemBackendProc.cpp
+++ b/src/Common/Backends/SystemBackendProc.cpp
@@ -18,14 +18,18 @@
  */
 
 #include "SystemBackendProc.h"
+
 #include <fstream>
+#include <pcrecpp.h>
+
+#include <iostream>
 
 namespace Mad {
 namespace Common {
 namespace Backends {
 
-SystemBackendProc::Uptime SystemBackendProc::getUptime() const {
-  Uptime uptime = {0, 0};
+SystemBackend::UptimeInfo SystemBackendProc::getUptimeInfo() const {
+  UptimeInfo uptime = {0, 0};
 
   std::ifstream file("/proc/uptime");
 
@@ -37,17 +41,54 @@ SystemBackendProc::Uptime SystemBackendProc::getUptime() const {
   if(!file.good())
     return uptime;
 
-  uptime.uptime = (uint32_t)f;
+  uptime.uptime = (unsigned long)f;
 
   file >> f;
   if(!file.good())
     return uptime;
 
-  uptime.idleTime = (uint32_t)f;
+  uptime.idleTime = (unsigned long)f;
 
   return uptime;
 }
 
+SystemBackend::MemoryInfo SystemBackendProc::getMemoryInfo() const {
+  MemoryInfo memInfo = {0, 0, 0, 0};
+
+  std::ifstream file("/proc/meminfo");
+
+  if(!file.good())
+    return memInfo;
+
+  pcrecpp::RE re("(.+):\\s*(\\d+).*");
+
+  while(!file.eof() && file.good()) {
+    std::string line;
+    std::getline(file, line);
+
+    std::string name;
+    unsigned long value;
+
+    if(!re.FullMatch(line, &name, &value))
+      continue;
+
+    if(name == "MemTotal")
+      memInfo.totalMem = value;
+    else if(name == "MemFree")
+      memInfo.freeMem = value;
+    else if(name == "SwapTotal")
+      memInfo.totalSwap = value;
+    else if(name == "SwapFree")
+      memInfo.freeSwap = value;
+
+    if(memInfo.totalMem && memInfo.freeMem && memInfo.totalSwap && memInfo.freeSwap)
+      break;
+  }
+
+
+  return memInfo;
+}
+
 }
 }
 }
diff --git a/src/Common/Backends/SystemBackendProc.h b/src/Common/Backends/SystemBackendProc.h
index af34eee..cdcc3e7 100644
--- a/src/Common/Backends/SystemBackendProc.h
+++ b/src/Common/Backends/SystemBackendProc.h
@@ -35,7 +35,8 @@ class SystemBackendProc : public SystemBackend {
       setBackend(new SystemBackendProc());
     }
 
-    virtual Uptime getUptime() const;
+    virtual UptimeInfo getUptimeInfo() const;
+    virtual MemoryInfo getMemoryInfo() const;
 };
 
 }
diff --git a/src/Common/Makefile.in b/src/Common/Makefile.in
index 7c805e9..95a5c35 100644
--- a/src/Common/Makefile.in
+++ b/src/Common/Makefile.in
@@ -130,6 +130,8 @@ PACKAGE_STRING = @PACKAGE_STRING@
 PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+PCRECPP_CFLAGS = @PCRECPP_CFLAGS@
+PCRECPP_LIBS = @PCRECPP_LIBS@
 PKG_CONFIG = @PKG_CONFIG@
 RANLIB = @RANLIB@
 SED = @SED@
diff --git a/src/Common/Request/Makefile.in b/src/Common/Request/Makefile.in
index 8d53cc0..6c3b68d 100644
--- a/src/Common/Request/Makefile.in
+++ b/src/Common/Request/Makefile.in
@@ -102,6 +102,8 @@ PACKAGE_STRING = @PACKAGE_STRING@
 PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+PCRECPP_CFLAGS = @PCRECPP_CFLAGS@
+PCRECPP_LIBS = @PCRECPP_LIBS@
 PKG_CONFIG = @PKG_CONFIG@
 RANLIB = @RANLIB@
 SED = @SED@
diff --git a/src/Common/SystemBackend.h b/src/Common/SystemBackend.h
index f88ddd9..6929c8d 100644
--- a/src/Common/SystemBackend.h
+++ b/src/Common/SystemBackend.h
@@ -38,15 +38,27 @@ class SystemBackend {
     }
 
   public:
-    struct Uptime {
-      uint32_t uptime;
-      uint32_t idleTime;
+    struct UptimeInfo {
+      unsigned long uptime;
+      unsigned long idleTime;
+    };
+
+    struct MemoryInfo {
+      unsigned long totalMem;
+      unsigned long freeMem;
+      unsigned long totalSwap;
+      unsigned long freeSwap;
     };
 
     virtual ~SystemBackend() {}
 
-    virtual Uptime getUptime() const {
-      Uptime ret = {0, 0};
+    virtual UptimeInfo getUptimeInfo() const {
+      UptimeInfo ret = {0, 0};
+      return ret;
+    }
+
+    virtual MemoryInfo getMemoryInfo() const {
+      MemoryInfo ret = {0, 0, 0, 0};
       return ret;
     }
 
-- 
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