Data_Namespace::ProcMeminfoParser Class Reference

Parse /proc/meminfo into key/value pairs. More...

#include <DataMgr.h>

Public Member Functions
	ProcMeminfoParser ()
auto	operator[] (const std::string &name)
auto	begin ()
auto	end ()

Private Attributes
std::unordered_map < std::string, size_t >	items_

Detailed Description

Parse /proc/meminfo into key/value pairs.

Definition at line 69 of file DataMgr.h.

Constructor & Destructor Documentation

Data_Namespace::ProcMeminfoParser::ProcMeminfoParser ( )

inline

Definition at line 73 of file DataMgr.h.

References CHECK, generate_TableFunctionsFactory_init::f, items_, generate_TableFunctionsFactory_init::line, setup::name, split(), strip(), and to_lower().

                      {
    std::ifstream f("/proc/meminfo");
    std::stringstream ss;
    ss << f.rdbuf();

    for (const std::string& line : split(ss.str(), "\n")) {
      if (line.empty()) {
        continue;
      }
      const auto nv = split(line, ":", 1);
      CHECK(nv.size() == 2) << "unexpected line format in /proc/meminfo: " << line;
      const auto name = strip(nv[0]), value = to_lower(strip(nv[1]));
      auto v = split(value);
      CHECK(v.size() == 1 || v.size() == 2)
          << "unexpected line format in /proc/meminfo: " << line;
      items_[name] = std::atoll(v[0].c_str());
      if (v.size() == 2) {
        CHECK(v[1] == "kb") << "unexpected unit suffix in /proc/meminfo: " << line;
        items_[name] *= 1024;
      }
    }
  }

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Member Function Documentation

auto Data_Namespace::ProcMeminfoParser::begin ( )

inline

Definition at line 97 of file DataMgr.h.

References items_.

{ return items_.begin(); }

auto Data_Namespace::ProcMeminfoParser::end ( )

inline

Definition at line 98 of file DataMgr.h.

References items_.

{ return items_.end(); }

auto Data_Namespace::ProcMeminfoParser::operator[] ( const std::string &  name )

inline

Definition at line 96 of file DataMgr.h.

References items_, and setup::name.

{ return items_[name]; }

Member Data Documentation

std::unordered_map<std::string, size_t> Data_Namespace::ProcMeminfoParser::items_

private

Definition at line 70 of file DataMgr.h.

Referenced by begin(), end(), operator[](), and ProcMeminfoParser().

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/DataMgr/DataMgr.h