anthracite/src/main.cpp

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#include "backends/file_backend.cpp"
#include <condition_variable>
#include <exception>
#include <fstream>
#include <iostream>
#include <mutex>
#include <netinet/in.h>
#include <sstream>
#include <sys/socket.h>
#include <thread>
#include <unistd.h>
#include <unordered_map>
using namespace std;
void log_request_and_response(http_request& req, unique_ptr<http_response>& resp);
constexpr int default_port = 80;
int active_threads = 0;
mutex mtx;
condition_variable cv;
void handle_client(anthracite_socket s, file_backend& fb)
{
http_request req(s);
unique_ptr<http_response> resp = fb.handle_request(req);
log_request_and_response(req, resp);
s.send_message(resp->to_string());
resp.reset();
s.close_conn();
{
std::lock_guard<std::mutex> lock(mtx);
active_threads--;
}
cv.notify_one();
}
int main(int argc, char** argv)
{
int port_number = default_port;
if (argc > 1) {
port_number = atoi(argv[1]);
}
cout << "Initializing Anthracite" << endl;
anthracite_socket s(port_number);
file_backend fb(true);
cout << "Initialization Complete" << endl;
cout << "Listening for HTTP connections on port " << port_number << endl;
for (;;) {
s.wait_for_conn();
std::unique_lock<std::mutex> lock(mtx);
cv.wait(lock, [] { return active_threads < 20; });
active_threads++;
thread(handle_client, s, ref(fb)).detach();
}
exit(0);
}
void log_request_and_response(http_request& req, unique_ptr<http_response>& resp)
{
cout << "[" << resp->status_code() << " " + http_status_map.find(resp->status_code())->second + "] " + req.client_ip() + " " + http_reverse_method_map.find(req.method())->second + " " + req.path() << endl;
}