80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
#include "backends/file_backend.cpp"
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#include <condition_variable>
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#include <exception>
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#include <fstream>
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#include <iostream>
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#include <mutex>
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#include <netinet/in.h>
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#include <span>
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#include <sstream>
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#include <sys/socket.h>
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#include <thread>
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#include <unistd.h>
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#include <unordered_map>
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void log_request_and_response(http_request& req, std::unique_ptr<http_response>& resp);
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constexpr int default_port = 80;
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constexpr int max_worker_threads = 128;
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void handle_client(anthracite_socket s, backend& b, file_backend& fb, std::mutex& thread_wait_mutex, std::condition_variable& thread_wait_condvar, int& active_threads)
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{
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while (true) {
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std::string raw_request = s.recv_message(HTTP_HEADER_BYTES);
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if (raw_request == "") {
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break;
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}
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http_request req(raw_request, s.get_client_ip());
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std::unique_ptr<http_response> resp = req.is_supported_version() ? b.handle_request(req) : fb.handle_error(http_status_codes::HTTP_VERSION_NOT_SUPPORTED);
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log_request_and_response(req, resp);
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std::string header = resp->header_to_string();
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s.send_message(header);
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s.send_message(resp->content());
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resp.reset();
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if (req.close_connection()) {
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break;
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}
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}
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s.close_conn();
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{
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std::lock_guard<std::mutex> lock(thread_wait_mutex);
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active_threads--;
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}
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thread_wait_condvar.notify_one();
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}
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int main(int argc, char** argv)
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{
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auto args = std::span(argv, size_t(argc));
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int port_number = default_port;
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if (argc > 1) {
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port_number = atoi(args[1]);
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}
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std::cout << "Initializing Anthracite" << std::endl;
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anthracite_socket s(port_number);
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file_backend fb(argc > 2 ? args[2] : "./www");
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std::cout << "Initialization Complete" << std::endl;
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std::cout << "Listening for HTTP connections on port " << port_number << std::endl;
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int active_threads = 0;
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std::mutex thread_wait_mutex;
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std::condition_variable thread_wait_condvar;
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while (true) {
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s.wait_for_conn();
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std::unique_lock<std::mutex> lock(thread_wait_mutex);
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thread_wait_condvar.wait(lock, [active_threads] { return active_threads < max_worker_threads; });
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active_threads++;
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std::thread(handle_client, s, std::ref(fb), std::ref(fb), std::ref(thread_wait_mutex), std::ref(thread_wait_condvar), std::ref(active_threads)).detach();
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}
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exit(0);
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}
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void log_request_and_response(http_request& req, std::unique_ptr<http_response>& resp)
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{
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std::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() << std::endl;
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}
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