1 #ifndef MESHLINK_INTERNAL_H
2 #define MESHLINK_INTERNAL_H
5 meshlink_internal.h -- Internal parts of the public API.
6 Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "meshlink_queue.h"
34 #define MAXSOCKETS 8 /* Probably overkill... */
36 static const char meshlink_invitation_label[] = "MeshLink invitation";
37 static const char meshlink_tcp_label[] = "MeshLink TCP";
38 static const char meshlink_udp_label[] = "MeshLink UDP";
41 struct CattaSServiceBrowser;
42 struct CattaSimplePoll;
43 struct CattaSEntryGroup;
45 typedef struct listen_socket_t {
52 typedef enum proxytype_t {
60 /// A handle for an instance of MeshLink.
61 struct meshlink_handle {
71 meshlink_receive_cb_t receive_cb;
72 meshlink_node_status_cb_t node_status_cb;
73 meshlink_log_cb_t log_cb;
74 meshlink_log_level_t log_level;
76 meshlink_channel_accept_cb_t channel_accept_cb;
77 meshlink_node_duplicate_cb_t node_duplicate_cb;
81 pthread_mutex_t mesh_mutex;
83 listen_socket_t listen_socket[MAXSOCKETS];
89 struct splay_tree_t *config;
90 struct splay_tree_t *edges;
91 struct splay_tree_t *nodes;
93 struct list_t *connections;
94 struct list_t *outgoings;
96 meshlink_queue_t outpacketqueue;
98 struct splay_tree_t *past_request_tree;
99 timeout_t past_request_timeout;
101 int contradicting_add_edge;
102 int contradicting_del_edge;
104 time_t last_config_check;
106 timeout_t periodictimer;
114 proxytype_t proxytype;
116 bool discovery; // Whether Catta is enabled or not
118 sockaddr_t localdiscovery_address;
120 bool default_blacklist;
122 hash_t *node_udp_cache;
123 struct connection_t *everyone;
124 struct ecdsa *invitation_key;
125 int invitation_timeout;
127 int pinginterval; /* seconds between pings */
128 int pingtimeout; /* seconds to wait for response */
133 char cookie[18], hash[18];
141 pthread_t discovery_thread;
142 bool discovery_threadstarted;
143 struct CattaServer *catta_server;
144 struct CattaSServiceBrowser *catta_browser;
145 struct CattaSimplePoll *catta_poll;
146 struct CattaSEntryGroup *catta_group;
147 char *catta_servicetype;
150 /// A handle for a MeshLink node.
151 struct meshlink_node {
157 struct meshlink_channel {
161 struct utcp_connection *c;
162 meshlink_channel_receive_cb_t receive_cb;
163 meshlink_channel_poll_cb_t poll_cb;
166 /// Header for data packets routed between nodes
167 typedef struct meshlink_packethdr {
168 uint8_t destination[16];
170 } __attribute__((__packed__)) meshlink_packethdr_t;
172 extern void meshlink_send_from_queue(event_loop_t *el, meshlink_handle_t *mesh);
173 extern void update_node_status(meshlink_handle_t *mesh, struct node_t *n);
174 extern meshlink_log_level_t global_log_level;
175 extern meshlink_log_cb_t global_log_cb;
176 extern int check_port(meshlink_handle_t *mesh);
177 extern void handle_duplicate_node(meshlink_handle_t *mesh, struct node_t *n);
179 /// Device class traits
181 unsigned int min_connects;
182 unsigned int max_connects;
184 } dev_class_traits_t;
186 extern dev_class_traits_t dev_class_traits[];