-typedef struct queue_element_t {
- void *packet;
- struct queue_element_t *prev;
- struct queue_element_t *next;
-} queue_element_t;
-
-typedef struct packet_queue_t {
- queue_element_t *head;
- queue_element_t *tail;
-} packet_queue_t;
-
-typedef struct enc_key_t {
- int length;
- char *key;
- time_t expiry;
-} enc_key_t;
-
-extern int tap_fd;
-
-extern int total_tap_in;
-extern int total_tap_out;
-extern int total_socket_in;
-extern int total_socket_out;
-
-extern char *unknown;
-
-extern char *request_name[256];
-extern char *status_text[10];
-
-#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
-
-extern int str2opt(const char *);
-extern char *opt2str(int);
-extern int send_packet(ip_t, vpn_packet_t *);
-extern int setup_network_connections(void);
-extern void close_network_connections(void);
-extern void main_loop(void);
-extern int setup_vpn_connection(connection_t *);
-extern void terminate_connection(connection_t *);
-extern void flush_queue(connection_t *);
-
-#include <config.h>
-#ifdef HAVE_OPENSSL_RSA_H
-# include <openssl/rsa.h>
-#else
-# include <rsa.h>
+/* Packet types when using SPTPS */
+
+#define PKT_COMPRESSED 1
+#define PKT_PROBE 4
+
+typedef enum packet_type_t {
+ PACKET_NORMAL,
+ PACKET_COMPRESSED,
+ PACKET_PROBE
+} packet_type_t;
+
+#include "conf.h"
+#include "list.h"
+
+typedef struct outgoing_t {
+ struct node_t *node;
+ enum {
+ OUTGOING_START,
+ OUTGOING_CANONICAL,
+ OUTGOING_RECENT,
+ OUTGOING_KNOWN,
+ OUTGOING_END,
+ OUTGOING_NO_KNOWN_ADDRESSES,
+ } state;
+ int timeout;
+ timeout_t ev;
+ struct addrinfo *ai;
+ struct addrinfo *aip;
+} outgoing_t;
+
+/* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
+#include "connection.h"
+#include "node.h"
+
+extern void init_outgoings(struct meshlink_handle *mesh);
+extern void exit_outgoings(struct meshlink_handle *mesh);
+
+extern void retry_outgoing(struct meshlink_handle *mesh, outgoing_t *);
+extern void handle_incoming_vpn_data(struct event_loop_t *loop, void *, int);
+extern void finish_connecting(struct meshlink_handle *mesh, struct connection_t *);
+extern void do_outgoing_connection(struct meshlink_handle *mesh, struct outgoing_t *);
+extern void handle_new_meta_connection(struct event_loop_t *loop, void *, int);
+extern int setup_tcp_listen_socket(struct meshlink_handle *mesh, const struct addrinfo *aip) __attribute__((__warn_unused_result__));
+extern int setup_udp_listen_socket(struct meshlink_handle *mesh, const struct addrinfo *aip) __attribute__((__warn_unused_result__));
+extern bool send_sptps_data(void *handle, uint8_t type, const void *data, size_t len);
+extern bool receive_sptps_record(void *handle, uint8_t type, const void *data, uint16_t len) __attribute__((__warn_unused_result__));
+extern void send_packet(struct meshlink_handle *mesh, struct node_t *, struct vpn_packet_t *);
+extern char *get_name(struct meshlink_handle *mesh) __attribute__((__warn_unused_result__));
+extern void load_all_nodes(struct meshlink_handle *mesh);
+extern bool setup_myself_reloadable(struct meshlink_handle *mesh) __attribute__((__warn_unused_result__));
+extern bool setup_network(struct meshlink_handle *mesh) __attribute__((__warn_unused_result__));
+extern void reset_outgoing(struct outgoing_t *);
+extern void setup_outgoing_connection(struct meshlink_handle *mesh, struct outgoing_t *);
+extern void close_network_connections(struct meshlink_handle *mesh);
+extern void main_loop(struct meshlink_handle *mesh);
+extern void terminate_connection(struct meshlink_handle *mesh, struct connection_t *, bool);
+extern bool node_read_public_key(struct meshlink_handle *mesh, struct node_t *) __attribute__((__warn_unused_result__));
+extern bool node_read_from_config(struct meshlink_handle *mesh, struct node_t *, const config_t *config) __attribute__((__warn_unused_result__));
+extern bool read_ecdsa_public_key(struct meshlink_handle *mesh, struct connection_t *) __attribute__((__warn_unused_result__));
+extern bool read_ecdsa_private_key(struct meshlink_handle *mesh) __attribute__((__warn_unused_result__));
+extern bool node_write_config(struct meshlink_handle *mesh, struct node_t *) __attribute__((__warn_unused_result__));
+extern void send_mtu_probe(struct meshlink_handle *mesh, struct node_t *);
+extern void handle_meta_connection_data(struct meshlink_handle *mesh, struct connection_t *);
+extern void retry(struct meshlink_handle *mesh);
+extern int check_port(struct meshlink_handle *mesh);
+
+#ifndef HAVE_MINGW
+#define closesocket(s) close(s)