feature: add net collector

Author: WRPStephanie

core/host_monitor/Constants.cpp

@@ -23,6 +23,11 @@ namespace logtail {
 std::filesystem::path PROCESS_DIR = "/proc";
 const std::filesystem::path PROCESS_STAT = "stat";
 const std::filesystem::path PROCESS_LOADAVG = "loadavg";
+const std::filesystem::path PROCESS_NET_SOCKSTAT = "net/sockstat";
+const std::filesystem::path PROCESS_NET_SOCKSTAT6 = "net/sockstat6";
+const std::filesystem::path PROCESS_NET_DEV = "net/dev";
+const std::filesystem::path PROCESS_NET_IF_INET6 = "net/if_inet6";
 const int64_t SYSTEM_HERTZ = sysconf(_SC_CLK_TCK);
+const int NET_INTERFACE_LIST_MAX = 20;
 
 } // namespace logtail

core/host_monitor/Constants.h

@@ -25,7 +25,13 @@ namespace logtail {
 extern std::filesystem::path PROCESS_DIR;
 const extern std::filesystem::path PROCESS_STAT;
 const extern std::filesystem::path PROCESS_LOADAVG;
+
+const extern std::filesystem::path PROCESS_NET_SOCKSTAT;
+const extern std::filesystem::path PROCESS_NET_SOCKSTAT6;
+const extern std::filesystem::path PROCESS_NET_DEV;
+const extern std::filesystem::path PROCESS_NET_IF_INET6;
 const extern int64_t SYSTEM_HERTZ;
+const extern int NET_INTERFACE_LIST_MAX;
 
 #ifdef __ENTERPRISE__
 inline constexpr StringView DEFAULT_INSTANCE_ID_LABEL = "instance_id";

core/host_monitor/HostMonitorInputRunner.cpp

@@ -35,6 +35,7 @@
 #include "host_monitor/Constants.h"
 #include "host_monitor/HostMonitorTimerEvent.h"
 #include "host_monitor/collector/CPUCollector.h"
+#include "host_monitor/collector/NetCollector.h"
 #include "host_monitor/collector/ProcessEntityCollector.h"
 #include "host_monitor/collector/SystemCollector.h"
 #include "logger/Logger.h"
@@ -55,6 +56,7 @@ HostMonitorInputRunner::HostMonitorInputRunner() {
     RegisterCollector<ProcessEntityCollector>();
     RegisterCollector<CPUCollector>();
     RegisterCollector<SystemCollector>();
+    RegisterCollector<NetCollector>();
 
     size_t threadPoolSize = 1;
     // threadPoolSize should be greater than 0