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228 lines
7.6 KiB
C++
228 lines
7.6 KiB
C++
#pragma once
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#define H2O_USE_LIBUV 0
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extern "C" {
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#include "h2o.h"
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#include "h2o/http1.h"
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#include "h2o/http2.h"
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#include "h2o/multithread.h"
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}
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#include <map>
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#include <string>
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#include <cstdio>
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#include "http_data.h"
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#include "option.h"
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#include "threadpool.h"
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class ReplicationState;
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class HttpServer;
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struct h2o_custom_req_handler_t {
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h2o_handler_t super;
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HttpServer* http_server;
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};
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struct h2o_custom_generator_t {
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h2o_generator_t super;
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h2o_custom_req_handler_t* h2o_handler;
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route_path* rpath;
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std::shared_ptr<http_req> request;
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std::shared_ptr<http_res> response;
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std::shared_ptr<http_req>& req() {
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return request;
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}
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std::shared_ptr<http_res>& res() {
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return response;
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}
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};
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struct deferred_req_res_t {
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const std::shared_ptr<http_req> req;
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const std::shared_ptr<http_res> res;
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HttpServer* server;
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// used to manage lifecycle of non-async responses
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bool destroy_after_stream_response;
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deferred_req_res_t(const std::shared_ptr<http_req> &req, const std::shared_ptr<http_res> &res,
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HttpServer *server, bool destroy_after_stream_response = false) :
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req(req), res(res), server(server), destroy_after_stream_response(destroy_after_stream_response) {}
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};
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struct defer_processing_t {
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const std::shared_ptr<http_req> req;
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const std::shared_ptr<http_res> res;
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size_t timeout_ms;
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HttpServer* server;
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defer_processing_t(const std::shared_ptr<http_req> &req, const std::shared_ptr<http_res> &res,
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size_t timeout_ms, HttpServer* server)
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: req(req), res(res), timeout_ms(timeout_ms), server(server) {}
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};
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class HttpServer {
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private:
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h2o_globalconf_t config;
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h2o_compress_args_t compress_args;
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h2o_context_t ctx;
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h2o_accept_ctx_t* accept_ctx;
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h2o_hostconf_t *hostconf;
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h2o_socket_t* listener_socket;
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static const size_t ACTIVE_STREAM_WINDOW_SIZE = 196605;
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static const size_t REQ_TIMEOUT_MS = 60000;
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const uint64_t SSL_REFRESH_INTERVAL_MS;
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h2o_custom_timer_t ssl_refresh_timer;
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h2o_custom_timer_t metrics_refresh_timer;
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http_message_dispatcher* message_dispatcher;
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ReplicationState* replication_state;
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std::atomic<bool> exit_loop;
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std::string version;
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// must be a vector since order of routes matter
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std::vector<std::pair<uint64_t, route_path>> routes;
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const std::string listen_address;
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const uint32_t listen_port;
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std::string ssl_cert_path;
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std::string ssl_cert_key_path;
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bool cors_enabled;
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ThreadPool* thread_pool;
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bool (*auth_handler)(std::map<std::string, std::string>& params, const std::string& body, const route_path& rpath,
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const std::string& auth_key);
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static void on_accept(h2o_socket_t *listener, const char *err);
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int setup_ssl(const char *cert_file, const char *key_file);
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static bool initialize_ssl_ctx(const char *cert_file, const char *key_file, h2o_accept_ctx_t* accept_ctx);
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static void on_ssl_refresh_timeout(h2o_timer_t *entry);
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static void on_ssl_ctx_delete_timeout(h2o_timer_t *entry);
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static void on_metrics_refresh_timeout(h2o_timer_t *entry);
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int create_listener();
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h2o_pathconf_t *register_handler(h2o_hostconf_t *hostconf, const char *path,
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int (*on_req)(h2o_handler_t *, h2o_req_t *));
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static int catch_all_handler(h2o_handler_t *_h2o_handler, h2o_req_t *req);
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static void response_proceed(h2o_generator_t *generator, h2o_req_t *req);
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static void response_abort(h2o_generator_t *generator, h2o_req_t *req);
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static void on_res_generator_dispose(void *self);
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static int send_response(h2o_req_t *req, int status_code, const std::string & message);
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static int async_req_cb(void *ctx, h2o_iovec_t chunk, int is_end_stream);
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static bool is_write_request(const std::string& root_resource, const std::string& http_method);
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public:
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HttpServer(const std::string & version,
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const std::string & listen_address, uint32_t listen_port,
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const std::string & ssl_cert_path,
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const std::string & ssl_cert_key_path,
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const uint64_t ssl_refresh_interval_ms,
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bool cors_enabled, ThreadPool* thread_pool);
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~HttpServer();
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http_message_dispatcher* get_message_dispatcher() const;
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ReplicationState* get_replication_state() const;
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bool is_alive() const;
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uint64_t node_state() const;
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void set_auth_handler(bool (*handler)(std::map<std::string, std::string>& params, const std::string& body,
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const route_path & rpath, const std::string & auth_key));
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void get(const std::string & path, bool (*handler)(const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res), bool async_req=false, bool async_res=false);
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void post(const std::string & path, bool (*handler)(const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res), bool async_req=false, bool async_res=false);
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void put(const std::string & path, bool (*handler)(const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res), bool async_req=false, bool async_res=false);
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void patch(const std::string & path, bool (*handler)(const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res), bool async_req=false, bool async_res=false);
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void del(const std::string & path, bool (*handler)(const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res), bool async_req=false, bool async_res=false);
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void on(const std::string & message, bool (*handler)(void*));
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void send_message(const std::string & type, void* data);
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void send_response(const std::shared_ptr<http_req>& request, const std::shared_ptr<http_res>& response);
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static void destroy_request_response(const std::shared_ptr<http_req>& request,
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const std::shared_ptr<http_res>& response);
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static void stream_response(const std::shared_ptr<http_req>& request, const std::shared_ptr<http_res>& response);
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uint64_t find_route(const std::vector<std::string> & path_parts, const std::string & http_method,
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route_path** found_rpath);
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bool get_route(uint64_t hash, route_path** found_rpath);
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int run(ReplicationState* replication_state);
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void stop();
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bool has_exited() const;
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void clear_timeouts(const std::vector<h2o_timer_t*> & timers, bool trigger_callback = true);
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static bool on_stop_server(void *data);
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static bool on_stream_response_message(void *data);
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static bool on_request_proceed_message(void *data);
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static bool on_deferred_processing_message(void *data);
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std::string get_version();
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ThreadPool* get_thread_pool() const;
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static constexpr const char* STOP_SERVER_MESSAGE = "STOP_SERVER";
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static constexpr const char* STREAM_RESPONSE_MESSAGE = "STREAM_RESPONSE";
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static constexpr const char* REQUEST_PROCEED_MESSAGE = "REQUEST_PROCEED";
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static constexpr const char* DEFER_PROCESSING_MESSAGE = "DEFER_PROCESSING";
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static int process_request(const std::shared_ptr<http_req>& request, const std::shared_ptr<http_res>& response, route_path *rpath,
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const h2o_custom_req_handler_t *req_handler);
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static void on_deferred_process_request(h2o_timer_t *entry);
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void defer_processing(const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res, size_t timeout_ms);
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void do_snapshot(const std::string& snapshot_path, const std::shared_ptr<http_req>& req, const std::shared_ptr<http_res>& res);
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bool trigger_vote();
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void persist_applying_index();
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};
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