Files
firegex-traffic-viewer/backend/binsrc/nfqueue.cpp
2025-02-09 22:43:54 +01:00

66 lines
1.8 KiB
C++

#include "regex/regex_rules.cpp"
#include "regex/regexfilter.cpp"
#include "classes/netfilter.cpp"
#include <syncstream>
#include <iostream>
using namespace std;
void config_updater (){
string line;
while (true){
getline(cin, line);
if (cin.eof()){
cerr << "[fatal] [updater] cin.eof()" << endl;
exit(EXIT_FAILURE);
}
if (cin.bad()){
cerr << "[fatal] [updater] cin.bad()" << endl;
exit(EXIT_FAILURE);
}
cerr << "[info] [updater] Updating configuration with line " << line << endl;
istringstream config_stream(line);
vector<string> raw_rules;
while(!config_stream.eof()){
string data;
config_stream >> data;
if (data != "" && data != "\n"){
raw_rules.push_back(data);
}
}
try{
regex_config.reset(new RegexRules(raw_rules, regex_config->stream_mode()));
cerr << "[info] [updater] Config update done to ver "<< regex_config->ver() << endl;
osyncstream(cout) << "ACK OK" << endl;
}catch(const std::exception& e){
cerr << "[error] [updater] Failed to build new configuration!" << endl;
osyncstream(cout) << "ACK FAIL " << e.what() << endl;
}
}
}
int main(int argc, char *argv[]){
int n_of_threads = 1;
char * n_threads_str = getenv("NTHREADS");
if (n_threads_str != nullptr) n_of_threads = ::atoi(n_threads_str);
if(n_of_threads <= 0) n_of_threads = 1;
char * matchmode = getenv("MATCH_MODE");
bool stream_mode = true;
if (matchmode != nullptr && strcmp(matchmode, "block") == 0){
stream_mode = false;
}
regex_config.reset(new RegexRules(stream_mode));
NFQueueSequence<RegexQueue> queues(n_of_threads);
queues.start();
osyncstream(cout) << "QUEUES " << queues.init() << " " << queues.end() << endl;
cerr << "[info] [main] Queues: " << queues.init() << ":" << queues.end() << " threads assigned: " << n_of_threads << " stream mode: " << stream_mode << endl;
config_updater();
}