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Adding logging

This commit is contained in:
Lucas Lazare 2019-05-18 09:17:17 -04:00
parent b31a64ad00
commit 2c1a3d0430
1 changed files with 4 additions and 0 deletions
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4
src/modules/network.cpp
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@ -1,6 +1,7 @@
#include "modules/network.hpp" #include "modules/network.hpp"
#include <sys/eventfd.h> #include <sys/eventfd.h>
#include <fstream> #include <fstream>
#include <iostream>
namespace { namespace {
@ -12,6 +13,7 @@ namespace {
std::ifstream netstat(NETSTAT_FILE); std::ifstream netstat(NETSTAT_FILE);
std::optional<unsigned long long> read_netstat(std::string_view category, std::string_view key) { std::optional<unsigned long long> read_netstat(std::string_view category, std::string_view key) {
if (!netstat) { if (!netstat) {
std::cerr << "Failed to open netstat file " << NETSTAT_FILE << '\n' << std::flush;
return {}; return {};
} }
netstat.seekg(std::ios_base::beg); netstat.seekg(std::ios_base::beg);
@ -26,6 +28,7 @@ namespace {
std::string read; std::string read;
while (std::getline(netstat, read) && !starts_with(read, category)); while (std::getline(netstat, read) && !starts_with(read, category));
if (!starts_with(read, category)) { if (!starts_with(read, category)) {
std::cerr << "Category '" << category << "' not found in netstat file " << NETSTAT_FILE << '\n' << std::flush;
return {}; return {};
} }
@ -49,6 +52,7 @@ namespace {
} }
if (r_it == read.end() && k_it != key.end()) { if (r_it == read.end() && k_it != key.end()) {
std::cerr << "Key '" << key << "' not found in category '" << category << "' of netstat file " << NETSTAT_FILE << '\n' << std::flush;
return {}; return {};
} }