+#ifndef MESHLINK_INTERNAL_H
+#define MESHLINK_INTERNAL_H
+
/*
meshlink_internal.h -- Internal parts of the public API.
- Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
+ Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef MESHLINK_INTERNAL_H
-#define MESHLINK_INTERNAL_H
-
#include "system.h"
+#include "event.h"
+#include "hash.h"
#include "meshlink.h"
+#include "meshlink_queue.h"
+#include "sockaddr.h"
+#include "sptps.h"
+
+#include <pthread.h>
+
+#define MAXSOCKETS 8 /* Probably overkill... */
+
+static const char meshlink_invitation_label[] = "MeshLink invitation";
+static const char meshlink_tcp_label[] = "MeshLink TCP";
+static const char meshlink_udp_label[] = "MeshLink UDP";
+
+struct CattaServer;
+struct CattaSServiceBrowser;
+struct CattaSimplePoll;
+struct CattaSEntryGroup;
+
+typedef struct listen_socket_t {
+ struct io_t tcp;
+ struct io_t udp;
+ sockaddr_t sa;
+ bool bindto;
+} listen_socket_t;
+
+typedef enum proxytype_t {
+ PROXY_NONE = 0,
+ PROXY_SOCKS4,
+ PROXY_SOCKS4A,
+ PROXY_SOCKS5,
+ PROXY_HTTP,
+} proxytype_t;
+
+struct meshlink_open_params {
+ char *confbase;
+ char *appname;
+ char *name;
+ dev_class_t devclass;
+
+ int netns;
+};
/// A handle for an instance of MeshLink.
struct meshlink_handle {
- char *confbase;
char *name;
+ void *priv;
+
+ char *appname;
+ dev_class_t devclass;
+
+ char *confbase;
+ FILE *conffile;
meshlink_receive_cb_t receive_cb;
meshlink_node_status_cb_t node_status_cb;
meshlink_log_cb_t log_cb;
meshlink_log_level_t log_level;
+ meshlink_channel_accept_cb_t channel_accept_cb;
+ meshlink_node_duplicate_cb_t node_duplicate_cb;
+
pthread_t thread;
- struct list_t *sockets;
+ bool threadstarted;
+ pthread_mutex_t mesh_mutex;
+ event_loop_t loop;
+ listen_socket_t listen_socket[MAXSOCKETS];
+ int listen_sockets;
+ signal_t datafromapp;
struct node_t *self;
struct list_t *connections;
struct list_t *outgoings;
+ struct list_t *submeshes;
+
+ meshlink_queue_t outpacketqueue;
+
+ struct splay_tree_t *past_request_tree;
+ timeout_t past_request_timeout;
+
+ int contradicting_add_edge;
+ int contradicting_del_edge;
+ int sleeptime;
+ time_t last_config_check;
+ timeout_t pingtimer;
+ timeout_t periodictimer;
+
+ char *myport;
+
+ char *proxyhost;
+ char *proxyport;
+ char *proxyuser;
+ char *proxypass;
+ proxytype_t proxytype;
+
+ bool discovery; // Whether Catta is enabled or not
+ bool localdiscovery;
+ sockaddr_t localdiscovery_address;
+
+ bool default_blacklist;
+
+ hash_t *node_udp_cache;
+ struct connection_t *everyone;
+ struct ecdsa *invitation_key;
+ int invitation_timeout;
+
+ int pinginterval; /* seconds between pings */
+ int pingtimeout; /* seconds to wait for response */
+ int maxtimeout;
+
+ int sock;
+ sptps_t sptps;
+ char cookie[18], hash[18];
+ char *data;
+ size_t thedatalen;
+ bool success;
+ char line[4096];
+ char buffer[4096];
+ size_t blen;
+
+ pthread_t discovery_thread;
+ bool discovery_threadstarted;
+ struct CattaServer *catta_server;
+ struct CattaSServiceBrowser *catta_browser;
+ struct CattaSimplePoll *catta_poll;
+ struct CattaSEntryGroup *catta_group;
+ char *catta_servicetype;
+
+ int netns;
};
/// A handle for a MeshLink node.
void *priv;
};
-// This is a *temporary* global variable which will keep the compiler happy
-// while refactoring the code to get rid of global variables.
-// TODO: remove this when no other global variables remain.
+/// A handle for a node Sub-Mesh.
+struct meshlink_submesh {
+ const char *name;
+ void *priv;
+};
-extern meshlink_handle_t *mesh;
+/// A channel.
+struct meshlink_channel {
+ struct node_t *node;
+ void *priv;
+
+ struct utcp_connection *c;
+ meshlink_channel_receive_cb_t receive_cb;
+ meshlink_channel_poll_cb_t poll_cb;
+};
-#endif // MESHLINK_INTERNAL_H
+/// Header for data packets routed between nodes
+typedef struct meshlink_packethdr {
+ uint8_t destination[16];
+ uint8_t source[16];
+} __attribute__((__packed__)) meshlink_packethdr_t;
+
+extern void meshlink_send_from_queue(event_loop_t *el, meshlink_handle_t *mesh);
+extern void update_node_status(meshlink_handle_t *mesh, struct node_t *n);
+extern meshlink_log_level_t global_log_level;
+extern meshlink_log_cb_t global_log_cb;
+extern int check_port(meshlink_handle_t *mesh);
+extern void handle_duplicate_node(meshlink_handle_t *mesh, struct node_t *n);
+
+/// Device class traits
+typedef struct {
+ unsigned int min_connects;
+ unsigned int max_connects;
+ int edge_weight;
+} dev_class_traits_t;
+
+extern dev_class_traits_t dev_class_traits[];
+
+#endif