2 meshlink_internal.h -- Internal parts of the public API.
3 Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef MESHLINK_INTERNAL_H
21 #define MESHLINK_INTERNAL_H
28 #include "meshlink_queue.h"
34 #define MAXSOCKETS 8 /* Probably overkill... */
37 struct AvahiSServiceBrowser;
38 struct AvahiSimplePoll;
39 struct AvahiSEntryGroup;
41 typedef struct listen_socket_t {
48 typedef enum proxytype_t {
57 typedef struct outpacketqueue {
58 meshlink_node_t *destination;
63 /// A handle for an instance of MeshLink.
64 struct meshlink_handle {
73 meshlink_receive_cb_t receive_cb;
74 meshlink_node_status_cb_t node_status_cb;
75 meshlink_log_cb_t log_cb;
76 meshlink_log_level_t log_level;
78 meshlink_channel_accept_cb_t channel_accept_cb;
82 pthread_mutex_t outpacketqueue_mutex;
83 pthread_mutex_t mesh_mutex;
85 listen_socket_t listen_socket[MAXSOCKETS];
91 struct splay_tree_t *config;
92 struct splay_tree_t *edges;
93 struct splay_tree_t *nodes;
95 struct list_t *connections;
96 struct list_t *outgoings;
98 meshlink_queue_t outpacketqueue;
100 struct splay_tree_t *past_request_tree;
101 timeout_t past_request_timeout;
103 int contradicting_add_edge;
104 int contradicting_del_edge;
106 time_t last_config_check;
108 timeout_t periodictimer;
116 proxytype_t proxytype;
119 sockaddr_t localdiscovery_address;
121 hash_t *node_udp_cache;
122 struct connection_t *everyone;
123 struct ecdsa *invitation_key;
125 int pinginterval; /* seconds between pings */
126 int pingtimeout; /* seconds to wait for response */
131 char cookie[18], hash[18];
139 pthread_t discovery_thread;
140 bool discovery_threadstarted;
141 struct AvahiServer *avahi_server;
142 struct AvahiSServiceBrowser *avahi_browser;
143 struct AvahiSimplePoll *avahi_poll;
144 struct AvahiSEntryGroup *avahi_group;
145 char* avahi_servicetype;
148 /// A handle for a MeshLink node.
149 struct meshlink_node {
155 struct meshlink_channel {
156 struct utcp_connection *c;
158 meshlink_channel_receive_cb_t receive_cb;
161 /// Header for data packets routed between nodes
162 typedef struct meshlink_packethdr {
163 uint8_t destination[16];
165 } __attribute__ ((__packed__)) meshlink_packethdr_t;
167 extern void meshlink_send_from_queue(event_loop_t* el,meshlink_handle_t *mesh);
168 extern meshlink_log_level_t global_log_level;
169 extern meshlink_log_cb_t global_log_cb;
171 /// Device class traits
173 unsigned int min_connects;
174 unsigned int max_connects;
176 } dev_class_traits_t;
178 extern dev_class_traits_t dev_class_traits[];
180 #endif // MESHLINK_INTERNAL_H