-typedef struct enc_key_t {
- int length;
- char *key;
- time_t expiry;
-} enc_key_t;
-
-typedef struct conn_list_t {
- ip_t vpn_ip; /* his vpn ip */
- ip_t vpn_mask; /* his vpn network address */
- ip_t real_ip; /* his real (internet) ip */
- char *real_hostname; /* the hostname of its real ip */
- char *vpn_hostname; /* the hostname of the vpn ip */
- short unsigned int port; /* his portnumber */
- int flags; /* his flags */
- int socket; /* our udp vpn socket */
- int meta_socket; /* our tcp meta socket */
- int protocol_version; /* used protocol */
- status_bits_t status; /* status info */
- passphrase_t *pp; /* encoded passphrase */
- packet_queue_t *sq; /* pending outgoing packets */
- packet_queue_t *rq; /* pending incoming packets (they have no
- valid key to be decrypted with) */
- enc_key_t *public_key; /* the other party's public key */
- enc_key_t *key; /* encrypt with this key */
- char buffer[MAXBUFSIZE+1]; /* metadata input buffer */
- int buflen; /* bytes read into buffer */
- int reqlen; /* length of first request in buffer */
- time_t last_ping_time; /* last time we saw some activity from the other end */
- int want_ping; /* 0 if there's no need to check for activity */
- struct conn_list_t *nexthop; /* nearest meta-hop in this direction */
- struct conn_list_t *next; /* after all, it's a list of connections */
-} conn_list_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 conn_list_t *conn_list;
-extern conn_list_t *myself;
-
-extern int send_packet(ip_t, vpn_packet_t *);
-extern int setup_network_connections(void);
+typedef struct listen_socket_t {
+ struct event ev_tcp;
+ struct event ev_udp;
+ int tcp;
+ int udp;
+ sockaddr_t sa;
+} listen_socket_t;
+
+#include "conf.h"
+
+typedef struct outgoing_t {
+ char *name;
+ int timeout;
+ struct config_t *cfg;
+ struct addrinfo *ai;
+ struct addrinfo *aip;
+ struct event ev;
+} outgoing_t;
+
+extern int maxoutbufsize;
+extern int seconds_till_retry;
+extern int addressfamily;
+
+extern listen_socket_t listen_socket[MAXSOCKETS];
+extern int listen_sockets;
+extern int keylifetime;
+extern bool do_prune;
+extern bool do_purge;
+extern char *myport;
+extern EVP_CIPHER_CTX packet_ctx;
+
+/* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
+#include "connection.h"
+#include "node.h"
+
+extern void retry_outgoing(outgoing_t *);
+extern void handle_incoming_vpn_data(int, short, void *);
+extern void finish_connecting(struct connection_t *);
+extern void do_outgoing_connection(struct connection_t *);
+extern void handle_new_meta_connection(int, short, void *);
+extern int setup_listen_socket(const sockaddr_t *);
+extern int setup_vpn_in_socket(const sockaddr_t *);
+extern void send_packet(const struct node_t *, vpn_packet_t *);
+extern void receive_tcppacket(struct connection_t *, char *, int);
+extern void broadcast_packet(const struct node_t *, vpn_packet_t *);
+extern bool setup_network_connections(void);
+extern void setup_outgoing_connection(struct outgoing_t *);
+extern void try_outgoing_connections(void);