From 89551ddfc2879530981eba3db9ab857b88409ad8 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Sat, 20 Sep 2008 11:59:36 +0200
Subject: Lese /proc/loadavg f?r weitere Statusinformationen aus

---
 src/Net/Packets/HostListPacket.h     |  7 +++++++
 src/Net/Packets/HostStatusPacket.cpp | 31 +++++++++++++++++++++++-----
 src/Net/Packets/HostStatusPacket.h   | 40 ++++++++++++++++++++++++++++++++----
 3 files changed, 69 insertions(+), 9 deletions(-)

(limited to 'src/Net/Packets')

diff --git a/src/Net/Packets/HostListPacket.h b/src/Net/Packets/HostListPacket.h
index aba6461..4d0b2d0 100644
--- a/src/Net/Packets/HostListPacket.h
+++ b/src/Net/Packets/HostListPacket.h
@@ -61,6 +61,13 @@ class HostListPacket : public Packet {
       return *this;
     }
 
+    HostListPacket& operator=(const HostListPacket &p) {
+      Packet::operator=(p);
+      parsePacket();
+
+      return *this;
+    }
+
     const std::vector<Common::HostInfo>& getHostInfo() const {
       return hostList;
     }
diff --git a/src/Net/Packets/HostStatusPacket.cpp b/src/Net/Packets/HostStatusPacket.cpp
index 3e50cd6..f998c2c 100644
--- a/src/Net/Packets/HostStatusPacket.cpp
+++ b/src/Net/Packets/HostStatusPacket.cpp
@@ -19,16 +19,24 @@
 
 #include "HostStatusPacket.h"
 
+#include <cstdio>
+#include <cstring>
+#include <string>
+
 
 namespace Mad {
 namespace Net {
 namespace Packets {
 
 HostStatusPacket::HostStatusPacket(Type type, uint16_t requestId, uint32_t uptime, uint32_t idleTime,
-    uint32_t totalMem, uint32_t freeMem, uint32_t totalSwap, uint32_t freeSwap)
-: Packet(type, requestId)
+    uint32_t totalMem, uint32_t freeMem, uint32_t totalSwap, uint32_t freeSwap,
+    uint32_t currentLoad, uint32_t nProcesses, float loadAvg1val, float loadAvg5val, float loadAvg15val)
+: Packet(type, requestId), loadAvg1(loadAvg1val), loadAvg5(loadAvg5val), loadAvg15(loadAvg15val)
 {
-  setLength(sizeof(CoreStatusData));
+  char buf[20];
+  std::snprintf(buf, sizeof(buf), "%.2f %.2f %.2f", loadAvg1, loadAvg5, loadAvg15);
+
+  setLength(sizeof(CoreStatusData) + strlen(buf));
   coreStatusData = (CoreStatusData*)&rawData->data;
 
   coreStatusData->uptime = htonl(uptime);
@@ -38,17 +46,30 @@ HostStatusPacket::HostStatusPacket(Type type, uint16_t requestId, uint32_t uptim
   coreStatusData->freeMem = htonl(freeMem);
   coreStatusData->totalSwap = htonl(totalSwap);
   coreStatusData->freeSwap = htonl(freeSwap);
+
+  coreStatusData->currentLoad = htonl(currentLoad);
+  coreStatusData->nProcesses = htonl(nProcesses);
+
+  std::memcpy(coreStatusData->charData, buf, strlen(buf));
 }
 
 HostStatusPacket& HostStatusPacket::operator=(const Packet &p) {
   Packet::operator=(p);
-
-  setLength(sizeof(CoreStatusData));
+  if(getLength() < sizeof(CoreStatusData))
+    setLength(sizeof(CoreStatusData));
   coreStatusData = (CoreStatusData*)&rawData->data;
 
+  parsePacket();
+
   return *this;
 }
 
+void HostStatusPacket::parsePacket() {
+  coreStatusData = (CoreStatusData*)&rawData->data;
+
+  std::sscanf(std::string((char*)coreStatusData->charData, getLength()-sizeof(coreStatusData)).c_str(), "%f %f %f", &loadAvg1, &loadAvg5, &loadAvg15);
+}
+
 }
 }
 }
diff --git a/src/Net/Packets/HostStatusPacket.h b/src/Net/Packets/HostStatusPacket.h
index 0de63de..fa0910c 100644
--- a/src/Net/Packets/HostStatusPacket.h
+++ b/src/Net/Packets/HostStatusPacket.h
@@ -36,21 +36,33 @@ class HostStatusPacket : public Packet {
       uint32_t freeMem;
       uint32_t totalSwap;
       uint32_t freeSwap;
+
+      uint32_t currentLoad;
+      uint32_t nProcesses;
+
+      uint8_t charData[0];
     };
 
     CoreStatusData *coreStatusData;
 
+    float loadAvg1, loadAvg5, loadAvg15;
+
+    void parsePacket();
+
   public:
     HostStatusPacket(Type type, uint16_t requestId, uint32_t uptime = 0, uint32_t idleTime = 0,
-        uint32_t totalMem = 0, uint32_t freeMem = 0, uint32_t totalSwap = 0, uint32_t freeSwap = 0);
+        uint32_t totalMem = 0, uint32_t freeMem = 0, uint32_t totalSwap = 0, uint32_t freeSwap = 0,
+        uint32_t currentLoad = 0, uint32_t nProcesses = 0, float loadAvg1val = 0, float loadAvg5val = 0, float loadAvg15val = 0);
 
     HostStatusPacket(const Packet &p) : Packet(p) {
-      setLength(sizeof(CoreStatusData));
-      coreStatusData = (CoreStatusData*)&rawData->data;
+      if(getLength() < sizeof(CoreStatusData))
+        setLength(sizeof(CoreStatusData));
+
+      parsePacket();
     }
 
     HostStatusPacket(const HostStatusPacket &p) : Packet(p) {
-      coreStatusData = (CoreStatusData*)&rawData->data;
+      parsePacket();
     }
 
     HostStatusPacket& operator=(const Packet &p);
@@ -82,6 +94,26 @@ class HostStatusPacket : public Packet {
     uint32_t getFreeSwap() const {
       return ntohl(coreStatusData->freeSwap);
     }
+
+    uint32_t getCurrentLoad() const {
+      return ntohl(coreStatusData->currentLoad);
+    }
+
+    uint32_t getProcessNumber() const {
+      return ntohl(coreStatusData->nProcesses);
+    }
+
+    float getLoadAverage1() const {
+      return loadAvg1;
+    }
+
+    float getLoadAverage5() const {
+      return loadAvg5;
+    }
+
+    float getLoadAverage15() const {
+      return loadAvg15;
+    }
 };
 
 }
-- 
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