Allow the mesh to detect when a node has completely restarted.

[meshlink] / src / meshlink_internal.h

diff --git a/src/meshlink_internal.h b/src/meshlink_internal.h
index 4e459b4e847bd5861047ebccca89caeeca8bc33a..bad5825591968f4d5bba0ebe88f42108bc70bbc6 100644 (file)
--- a/src/meshlink_internal.h
+++ b/src/meshlink_internal.h
@@ -32,6 +32,7 @@
 #include "meshlink_queue.h"
 #include "sockaddr.h"
 #include "sptps.h"
+#include "xoshiro.h"
 
 #include <pthread.h>
 
@@ -53,6 +54,7 @@ typedef struct listen_socket_t {
        struct io_t tcp;
        struct io_t udp;
        sockaddr_t sa;
+       sockaddr_t broadcast_sa;
        bool bindto;
 } listen_socket_t;
 
@@ -92,7 +94,7 @@ struct meshlink_handle {
        void *priv;
 
        // private members
-       pthread_mutex_t mesh_mutex;
+       pthread_mutex_t mutex;
        event_loop_t loop;
        struct node_t *self;
        meshlink_log_cb_t log_cb;
@@ -130,15 +132,19 @@ struct meshlink_handle {
        timeout_t periodictimer;
 
        struct connection_t *everyone;
+       uint64_t prng_state[4];
+       uint32_t session_id;
 
        int next_pit;
        int pits[10];
 
        // Infrequently used callbacks
        meshlink_node_status_cb_t node_status_cb;
+       meshlink_node_pmtu_cb_t node_pmtu_cb;
        meshlink_channel_accept_cb_t channel_accept_cb;
        meshlink_node_duplicate_cb_t node_duplicate_cb;
        meshlink_connection_try_cb_t connection_try_cb;
+       meshlink_error_cb_t error_cb;
 
        // Mesh parameters
        char *appname;
@@ -246,12 +252,21 @@ typedef struct meshlink_packethdr {
        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 meshlink_send_from_queue(event_loop_t *loop, void *mesh);
 extern void update_node_status(meshlink_handle_t *mesh, struct node_t *n);
+extern void update_node_pmtu(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);
 extern void handle_network_change(meshlink_handle_t *mesh, bool online);
+extern void call_error_cb(meshlink_handle_t *mesh, meshlink_errno_t meshlink_errno);
+
+/// Per-instance PRNG
+static inline int prng(meshlink_handle_t *mesh, uint64_t max) {
+       return xoshiro(mesh->prng_state) % max;
+}
+
+/// Fudge value of ~0.1 seconds, in microseconds.
+static const unsigned int TIMER_FUDGE = 0x20000;
 
 #endif