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#ifndef EVENT_MANAGER_H
#define EVENT_MANAGER_H 1
#include <event2/buffer.h>
#include <event2/event.h>
#include <event2/http.h>
#include <functional>
#include <string>
#include <vector>
typedef void *EvUserData;
typedef void ev_c_callback(struct evhttp_request *, EvUserData);
typedef std::function<void(struct evhttp_request *, EvUserData)> EvFunction;
struct ev_callback {
EvFunction cb;
EvUserData ud;
};
typedef std::tuple<std::string, struct ev_callback> EvUrlCallback;
static inline void default_evhttp_callback(struct evhttp_request *const req,
EvUserData ud) {
(void)ud;
evhttp_add_header(evhttp_request_get_output_headers(req), "Content-Type",
"text/html");
struct evbuffer *const output = evbuffer_new();
if (output != nullptr) {
evbuffer_add_printf(output, "%s\n",
"<html><body><b>default page</b></body></html>");
evhttp_send_reply(req, 200, "OK", output);
evbuffer_free(output);
}
}
class EventManager {
public:
EventManager() : m_DefaultCallback({default_evhttp_callback, nullptr}) {}
~EventManager();
bool Init(std::string = "127.0.0.1", uint16_t port = 9000);
void setDefaultCallback(EvFunction fn, EvUserData dat);
void addCallback(std::string url, EvFunction fn, EvUserData dat);
private:
struct ev_callback m_DefaultCallback;
std::vector<EvUrlCallback> m_UrlCallbacks;
struct event_config *m_EvConfig = nullptr;
struct event_base *m_EvBase = nullptr;
struct evhttp *m_EvHttp = nullptr;
struct evhttp_bound_socket *m_EvSocket = nullptr;
struct evconnlistener *m_EvListener = nullptr;
struct event *m_EvTermEvent = nullptr;
};
#endif
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