pex.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2022 Felix Fietkau <nbd@nbd.name>
   4  */
   5 #ifndef __UNETD_PEX_H
   6 #define __UNETD_PEX_H
   7
   8 #include <libubox/uloop.h>
   9
  10 struct network;
  11
  12 struct network_pex_host {
  13         struct list_head list;
  14         uint64_t timeout;
  15         union network_endpoint endpoint;
  16 };
  17
  18 struct network_pex {
  19         struct uloop_fd fd;
  20         struct list_head hosts;
  21         struct uloop_timeout request_update_timer;
  22 };
  23
  24 enum pex_event {
  25         PEX_EV_HANDSHAKE,
  26         PEX_EV_ENDPOINT_CHANGE,
  27         PEX_EV_QUERY,
  28         PEX_EV_PING,
  29 };
  30
  31 void network_pex_init(struct network *net);
  32 int network_pex_open(struct network *net);
  33 void network_pex_close(struct network *net);
  34 void network_pex_free(struct network *net);
  35
  36 void network_pex_event(struct network *net, struct network_peer *peer,
  37                        enum pex_event ev);
  38 void network_pex_create_host(struct network *net, union network_endpoint *ep,
  39                              unsigned int timeout);
  40
  41 static inline bool network_pex_active(struct network_pex *pex)
  42 {
  43         return pex->fd.fd >= 0;
  44 }
  45
  46 int global_pex_open(void);
  47
  48 #endif