cudadl/evutils.h

#ifndef __EVUTILS_H__
#define __EVUTILS_H__

extern "C" {
#include <event2/listener.h>
#include <event2/bufferevent.h>
}

unsigned int hostlookup(const char *hostname);


// Create a new listener socket.  bindport is the port to bind to (in
// host byte order), or 0 if any port will do.  ip and boundport are set
// to the IP and port of the socket, in network byte order.
struct evconnlistener *listener_create(struct event_base *evbase,
    unsigned short bindport, evconnlistener_cb cb, void *ctx,
    unsigned int *ip, unsigned short *boundport);

// Create a client connection to the given 6-byte ipport (4 byte IP, 2
// byte port in network byte order).
struct bufferevent *client_create(struct event_base *evbase,
    unsigned char ipport[6], bufferevent_event_cb event_handler);

// Create a client connection to a controller, with event_handler set as
// the event callback.  It will be called when the connection succeeds or
// fails.  This function calls the libevent main loop, so it will only return
// when the program is finished.
int controller_client(const char *controller_host,
    unsigned short controller_port, bufferevent_event_cb event_handler);

#endif