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utun2/src/topo_node.c

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#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "../lib/ll_queue.h"
#include "../lib/debug_config.h"
#include "../lib/mem.h"
#include "../lib/memory_pool.h"
#include "utun_instance.h"
#include "etcp.h"
#include "config_parser.h"
#include "topo_node.h"
#include "topo_group.h"
#include "route_lib.h"
#include "etcp_debug.h"
void topo_node_ref(struct TOPO_NODE* ni) {
if (!ni) return;
ni->ref_count++;
}
void topo_node_unref(struct TOPO_NODE* ni) {
if (!ni) return;
if (--ni->ref_count == 0) {
u_free(ni->node_name);
u_free(ni);
}
}
static void free_v4_sock_list(struct memory_pool* pool, struct TOPO_SOCKMETA4* head) {
while (head) { struct TOPO_SOCKMETA4* next = head->next; memory_pool_free(pool, head); head = next; }
}
static void free_v4_addr_list(struct memory_pool* pool, struct TOPO_ADDR4* head) {
while (head) { struct TOPO_ADDR4* next = head->next; memory_pool_free(pool, head); head = next; }
}
static void free_v6_sock_list(struct memory_pool* pool, struct TOPO_SOCKMETA6* head) {
while (head) { struct TOPO_SOCKMETA6* next = head->next; memory_pool_free(pool, head); head = next; }
}
static void free_v6_addr_list(struct memory_pool* pool, struct TOPO_ADDR6* head) {
while (head) { struct TOPO_ADDR6* next = head->next; memory_pool_free(pool, head); head = next; }
}
static void free_v4_sub_list(struct memory_pool* pool, struct TOPO_SUBNET4* head) {
while (head) { struct TOPO_SUBNET4* next = head->next; memory_pool_free(pool, head); head = next; }
}
static void free_v6_sub_list(struct memory_pool* pool, struct TOPO_SUBNET6* head) {
while (head) { struct TOPO_SUBNET6* next = head->next; memory_pool_free(pool, head); head = next; }
}
void topo_node_free_lists(struct TOPO_GROUP* group, struct TOPO_NODEQ* nq) {
if (!group || !nq) return;
if (nq->node) {
free_v4_sock_list(group->instance->topo_groups->v4_sock_meta_pool, nq->node->v4_sock_meta);
free_v4_addr_list(group->instance->topo_groups->v4_addr_pool, nq->node->v4_addrs);
free_v6_sock_list(group->instance->topo_groups->v6_sock_meta_pool, nq->node->v6_sock_meta);
free_v6_addr_list(group->instance->topo_groups->v6_addr_pool, nq->node->v6_addrs);
nq->node->v4_sock_meta = NULL; nq->node->v4_addrs = NULL;
nq->node->v6_sock_meta = NULL; nq->node->v6_addrs = NULL;
topo_node_unref(nq->node);
nq->node = NULL;
}
if (nq->subnets) {
free_v4_sub_list(group->instance->topo_groups->v4_subnet_pool, nq->subnets->v4_subnets);
free_v6_sub_list(group->instance->topo_groups->v6_subnet_pool, nq->subnets->v6_subnets);
u_free(nq->subnets);
nq->subnets = NULL;
}
u_free(nq->tranzit_data); nq->tranzit_data = NULL; nq->tranzit_count = 0;
u_free(nq->hop_list); nq->hop_list = NULL; nq->hop_count = 0;
}
// ===== serialization =====
int topo_node_dyn_size(const struct TOPOMSG_NODE* msg) {
return msg->node_name_len
+ msg->local_v4_sockets * sizeof(struct TOPOMSG_SOCKMETA4)
+ msg->local_v4_addrs * sizeof(struct TOPOMSG_ADDR4)
+ msg->local_v6_sockets * sizeof(struct TOPOMSG_SOCKMETA6)
+ msg->local_v6_addrs * sizeof(struct TOPOMSG_ADDR6)
+ ((msg->flags & TOPO_FLAG_SEND_SUBNETS)
? (msg->local_v4_subnets * sizeof(struct TOPOMSG_SUBNET4) + msg->local_v6_subnets * sizeof(struct TOPOMSG_SUBNET6))
: 0)
+ msg->tranzit_nodes * sizeof(struct TOPOMSG_TRANZIT)
+ msg->hop_count * 8;
}
int topo_node_serialize(struct TOPO_GROUP* group, struct TOPO_NODEQ* nq, uint8_t* out, size_t out_max) {
if (!group || !nq || !nq->node || !out) return -1;
struct TOPO_NODE* ni = nq->node;
struct TOPOMSG_NODE msg;
memset(&msg, 0, sizeof(msg));
msg.flags = ni->flags;
msg.group_id = ni->group_id;
msg.node_id = ni->node_id;
msg.ver = ni->ver;
memcpy(msg.public_key, ni->public_key, SC_PUBKEY_SIZE);
memcpy(msg.ed25519_public_key, ni->ed25519_public_key, SC_PUBKEY_SIZE);
msg.node_name_len = ni->node_name ? (uint8_t)strlen(ni->node_name) : 0;
msg.local_v4_sockets = topo_list_count((struct _topo_head*)ni->v4_sock_meta);
msg.local_v4_addrs = topo_list_count((struct _topo_head*)ni->v4_addrs);
msg.local_v6_sockets = topo_list_count((struct _topo_head*)ni->v6_sock_meta);
msg.local_v6_addrs = topo_list_count((struct _topo_head*)ni->v6_addrs);
msg.local_v4_subnets = nq->subnets ? topo_list_count((struct _topo_head*)nq->subnets->v4_subnets) : 0;
msg.local_v6_subnets = nq->subnets ? topo_list_count((struct _topo_head*)nq->subnets->v6_subnets) : 0;
msg.tranzit_nodes = nq->tranzit_count;
msg.hop_count = nq->hop_count;
size_t total = TOPOMSG_NODE_HDR_SIZE + (size_t)topo_node_dyn_size(&msg);
if (total > out_max) return -1;
memcpy(out, &msg, TOPOMSG_NODE_HDR_SIZE);
uint8_t* dp = out + TOPOMSG_NODE_HDR_SIZE;
if (msg.node_name_len) { memcpy(dp, ni->node_name, msg.node_name_len); dp += msg.node_name_len; }
{ struct TOPO_SOCKMETA4* e = ni->v4_sock_meta; while (e) {
struct TOPOMSG_SOCKMETA4 w = { .id=e->id, .config_type=e->config_type, .nat_type=e->nat_type };
memcpy(dp, &w, sizeof(w)); dp += sizeof(w); e = e->next;
}}
{ struct TOPO_ADDR4* e = ni->v4_addrs; while (e) {
struct TOPOMSG_ADDR4 w = { .port=e->port, .type=e->type, .socket_id=e->socket_id, .protocol=e->protocol };
memcpy(w.addr, e->addr, 4); memcpy(dp, &w, sizeof(w)); dp += sizeof(w); e = e->next;
}}
{ struct TOPO_SOCKMETA6* e = ni->v6_sock_meta; while (e) {
struct TOPOMSG_SOCKMETA6 w = { .id=e->id, .config_type=e->config_type, .nat_type=e->nat_type };
memcpy(dp, &w, sizeof(w)); dp += sizeof(w); e = e->next;
}}
{ struct TOPO_ADDR6* e = ni->v6_addrs; while (e) {
struct TOPOMSG_ADDR6 w = { .port=e->port, .type=e->type, .socket_id=e->socket_id, .protocol=e->protocol };
memcpy(w.addr, e->addr, 16); memcpy(dp, &w, sizeof(w)); dp += sizeof(w); e = e->next;
}}
if (msg.flags & TOPO_FLAG_SEND_SUBNETS) {
if (nq->subnets) {
{ struct TOPO_SUBNET4* e = nq->subnets->v4_subnets; while (e) {
struct TOPOMSG_SUBNET4 w = { .prefix_length=e->prefix_length };
memcpy(w.addr, e->addr, 4); memcpy(dp, &w, sizeof(w)); dp += sizeof(w); e = e->next;
}}
{ struct TOPO_SUBNET6* e = nq->subnets->v6_subnets; while (e) {
struct TOPOMSG_SUBNET6 w = { .prefix_length=e->prefix_length };
memcpy(w.addr, e->addr, 16); memcpy(dp, &w, sizeof(w)); dp += sizeof(w); e = e->next;
}}
}
}
if (msg.tranzit_nodes && nq->tranzit_data) {
size_t sz = msg.tranzit_nodes * sizeof(struct TOPOMSG_TRANZIT);
memcpy(dp, nq->tranzit_data, sz); dp += sz;
}
if (msg.hop_count && nq->hop_list) {
size_t sz = msg.hop_count * 8;
memcpy(dp, nq->hop_list, sz); dp += sz;
}
return (int)(dp - out);
}
// ===== deserialization =====
int topo_node_deserialize(struct TOPO_GROUP* group, const uint8_t* data, size_t len, struct TOPO_NODE** out_ni, struct TOPO_NODESUBNETS** out_subnets,
struct TOPOMSG_TRANZIT** out_tranzit, uint8_t* out_tranzit_count,
uint64_t** out_hop_list, uint8_t* out_hop_count) {
if (!group || !data || len < TOPOMSG_NODE_HDR_SIZE || !out_ni) return -1;
const struct TOPOMSG_NODE* msg = (const struct TOPOMSG_NODE*)data;
int dyn = topo_node_dyn_size(msg);
if ((size_t)dyn + TOPOMSG_NODE_HDR_SIZE != len) return -1;
struct TOPO_NODE* ni = u_calloc(1, sizeof(struct TOPO_NODE));
if (!ni) { DEBUG_ERROR(DEBUG_CATEGORY_BGP, "alloc TOPO_NODE failed"); return -1; }
ni->ref_count = 1;
ni->flags = msg->flags;
ni->group_id = msg->group_id;
ni->node_id = msg->node_id;
ni->ver = msg->ver;
memcpy(ni->public_key, msg->public_key, SC_PUBKEY_SIZE);
memcpy(ni->ed25519_public_key, msg->ed25519_public_key, SC_PUBKEY_SIZE);
const uint8_t* dp = data + TOPOMSG_NODE_HDR_SIZE;
if (msg->node_name_len) {
ni->node_name = u_malloc(msg->node_name_len + 1);
if (ni->node_name) { memcpy(ni->node_name, dp, msg->node_name_len); ni->node_name[msg->node_name_len] = 0; }
dp += msg->node_name_len;
}
for (int i = 0; i < msg->local_v4_sockets; i++) {
const struct TOPOMSG_SOCKMETA4* w = (const struct TOPOMSG_SOCKMETA4*)dp; dp += sizeof(*w);
struct TOPO_SOCKMETA4* e = memory_pool_alloc(group->instance->topo_groups->v4_sock_meta_pool);
if (!e) { topo_node_unref(ni); return -1; }
e->id = w->id; e->config_type = w->config_type; e->nat_type = w->nat_type;
e->next = ni->v4_sock_meta; ni->v4_sock_meta = e;
}
for (int i = 0; i < msg->local_v4_addrs; i++) {
const struct TOPOMSG_ADDR4* w = (const struct TOPOMSG_ADDR4*)dp; dp += sizeof(*w);
struct TOPO_ADDR4* e = memory_pool_alloc(group->instance->topo_groups->v4_addr_pool);
if (!e) { topo_node_unref(ni); return -1; }
memcpy(e->addr, w->addr, 4); e->port = w->port; e->type = w->type; e->socket_id = w->socket_id; e->protocol = w->protocol;
e->next = ni->v4_addrs; ni->v4_addrs = e;
}
for (int i = 0; i < msg->local_v6_sockets; i++) {
const struct TOPOMSG_SOCKMETA6* w = (const struct TOPOMSG_SOCKMETA6*)dp; dp += sizeof(*w);
struct TOPO_SOCKMETA6* e = memory_pool_alloc(group->instance->topo_groups->v6_sock_meta_pool);
if (!e) { topo_node_unref(ni); return -1; }
e->id = w->id; e->config_type = w->config_type; e->nat_type = w->nat_type;
e->next = ni->v6_sock_meta; ni->v6_sock_meta = e;
}
for (int i = 0; i < msg->local_v6_addrs; i++) {
const struct TOPOMSG_ADDR6* w = (const struct TOPOMSG_ADDR6*)dp; dp += sizeof(*w);
struct TOPO_ADDR6* e = memory_pool_alloc(group->instance->topo_groups->v6_addr_pool);
if (!e) { topo_node_unref(ni); return -1; }
memcpy(e->addr, w->addr, 16); e->port = w->port; e->type = w->type; e->socket_id = w->socket_id; e->protocol = w->protocol;
e->next = ni->v6_addrs; ni->v6_addrs = e;
}
if (out_subnets && (msg->flags & TOPO_FLAG_SEND_SUBNETS) && (msg->local_v4_subnets || msg->local_v6_subnets)) {
struct TOPO_NODESUBNETS* r = u_calloc(1, sizeof(struct TOPO_NODESUBNETS));
if (!r) { topo_node_unref(ni); return -1; }
for (int i = 0; i < msg->local_v4_subnets; i++) {
const struct TOPOMSG_SUBNET4* w = (const struct TOPOMSG_SUBNET4*)dp; dp += sizeof(*w);
struct TOPO_SUBNET4* e = memory_pool_alloc(group->instance->topo_groups->v4_subnet_pool);
if (!e) { u_free(r); topo_node_unref(ni); return -1; }
memcpy(e->addr, w->addr, 4); e->prefix_length = w->prefix_length;
e->next = r->v4_subnets; r->v4_subnets = e;
}
for (int i = 0; i < msg->local_v6_subnets; i++) {
const struct TOPOMSG_SUBNET6* w = (const struct TOPOMSG_SUBNET6*)dp; dp += sizeof(*w);
struct TOPO_SUBNET6* e = memory_pool_alloc(group->instance->topo_groups->v6_subnet_pool);
if (!e) { u_free(r); topo_node_unref(ni); return -1; }
memcpy(e->addr, w->addr, 16); e->prefix_length = w->prefix_length;
e->next = r->v6_subnets; r->v6_subnets = e;
}
*out_subnets = r;
} else if (!(msg->flags & TOPO_FLAG_SEND_SUBNETS)) {
dp += msg->local_v4_subnets * sizeof(struct TOPOMSG_SUBNET4)
+ msg->local_v6_subnets * sizeof(struct TOPOMSG_SUBNET6);
if (out_subnets) *out_subnets = NULL;
} else {
if (out_subnets) *out_subnets = NULL;
}
if (out_tranzit && msg->tranzit_nodes > 0) {
size_t tsz = msg->tranzit_nodes * sizeof(struct TOPOMSG_TRANZIT);
*out_tranzit = u_malloc(tsz);
if (!*out_tranzit) { topo_node_unref(ni); return -1; }
memcpy(*out_tranzit, dp, tsz); dp += tsz;
*out_tranzit_count = msg->tranzit_nodes;
}
if (out_hop_list && msg->hop_count > 0) {
size_t hsz = msg->hop_count * 8;
*out_hop_list = u_malloc(hsz);
if (!*out_hop_list) { topo_node_unref(ni); return -1; }
memcpy(*out_hop_list, dp, hsz); dp += hsz;
*out_hop_count = msg->hop_count;
}
*out_ni = ni;
return 0;
}
struct TOPO_NODEQ* topo_node_find_by_id(struct TOPO_GROUP* group, uint64_t node_id) {
if (!group || !group->nodes) return NULL;
uint64_t key = node_id;
struct ll_entry* e = queue_find_data_by_index(group->nodes, &key);
return e ? (struct TOPO_NODEQ*)e : NULL;
}
// ===== dump / format =====
static int is_node_connectivity_active(struct TOPO_CONNECTIVITY* c) {
return c->probe_status != PROBE_STATUS_NONE
|| c->interface_status != PROBE_RESULT_UNKNOWN
|| c->nat_status != PROBE_RESULT_UNKNOWN
|| c->real_status != PROBE_RESULT_UNKNOWN
|| c->probe_start_time != 0
|| c->ping_req_time != 0;
}
static const char* probe_status_str(uint8_t s) {
switch (s) { case 0: return "NONE"; case 1: return "IN_PROGRESS"; case 2: return "DONE"; default: return "?"; }
}
static const char* probe_result_str(uint8_t s) {
switch (s) { case 0: return "UNKNOWN"; case 1: return "REACHABLE"; case 2: return "UNREACHABLE"; default: return "?"; }
}
static const char* conn_mgr_type_str(uint8_t t) {
switch (t) { case 1: return "DIRECT"; case 2: return "REVERSE"; case 3: return "INDIRECT"; default: return "NONE"; }
}
void topo_node_dump_all(struct TOPO_GROUP* group) {
if (!group || !group->nodes) return;
DEBUG_INFO(DEBUG_CATEGORY_BGP, "=== BGP Nodes dump: %d nodes ===", queue_entry_count(group->nodes));
int idx = 0;
struct ll_entry* e = group->nodes->head;
while (e) {
struct TOPO_NODEQ* nq = (struct TOPO_NODEQ*)e;
struct TOPO_NODE* ni = nq->node;
if (!ni) { e = e->next; continue; }
int is_local = (group->local_node == nq);
const char* name_s = ni->node_name ? ni->node_name : "";
DEBUG_INFO(DEBUG_CATEGORY_BGP, "--- Node #%d: id=%016llx name=\"%s\" ver=%u dirty=%u alien=%u grp=%llu%s ---",
idx, (unsigned long long)ni->node_id, name_s, ni->ver, nq->dirty, nq->alien,
(unsigned long long)ni->group_id, is_local ? " [LOCAL]" : "");
if (nq->best_socket) DEBUG_INFO(DEBUG_CATEGORY_BGP, " best_socket=%p", (void*)nq->best_socket);
log_dump(DEBUG_LEVEL_INFO, DEBUG_CATEGORY_BGP, " pubkey ", ni->public_key, SC_PUBKEY_SIZE);
log_dump(DEBUG_LEVEL_INFO, DEBUG_CATEGORY_BGP, " ed25519", ni->ed25519_public_key, SC_PUBKEY_SIZE);
int si = 0;
{ struct TOPO_SOCKMETA4* sm = ni->v4_sock_meta; while (sm) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, " v4sock[%d]: id=%u config=%u nat=%u", si++, sm->id, sm->config_type, sm->nat_type);
sm = sm->next;
}}
{ const char* atn[] = {"INTERFACE","NAT","REAL"};
int ai = 0; struct TOPO_ADDR4* a = ni->v4_addrs; while (a) {
const char* proto = (a->protocol & TOPO_PROTO_TCP) ? "tcp" : (a->protocol & TOPO_PROTO_UDP) ? "udp" : "?";
DEBUG_INFO(DEBUG_CATEGORY_BGP, " v4addr[%d]: %s:%u %s sock=%u proto=%s", ai++,
ip_to_str(a->addr, AF_INET).str, a->port, (a->type<=2)?atn[a->type]:"?", a->socket_id, proto);
a = a->next;
}}
{ int si6 = 0; struct TOPO_SOCKMETA6* sm6 = ni->v6_sock_meta; while (sm6) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, " v6sock[%d]: id=%u config=%u nat=%u", si6++, sm6->id, sm6->config_type, sm6->nat_type);
sm6 = sm6->next;
}}
{ int ai6 = 0; struct TOPO_ADDR6* a6 = ni->v6_addrs; while (a6) {
const char* proto = (a6->protocol & TOPO_PROTO_TCP) ? "tcp" : (a6->protocol & TOPO_PROTO_UDP) ? "udp" : "?";
DEBUG_INFO(DEBUG_CATEGORY_BGP, " v6addr[%d]: %s:%u type=%u sock=%u proto=%s", ai6++,
ip_to_str(a6->addr, AF_INET6).str, a6->port, a6->type, a6->socket_id, proto);
a6 = a6->next;
}}
if (nq->subnets) {
{ int ri = 0; struct TOPO_SUBNET4* sub = nq->subnets->v4_subnets; while (sub) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, " v4sub[%d]: %s/%d", ri++, ip_to_str(sub->addr, AF_INET).str, sub->prefix_length);
sub = sub->next;
}}
{ int ri6 = 0; struct TOPO_SUBNET6* sub6 = nq->subnets->v6_subnets; while (sub6) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, " v6sub[%d]: %s/%d", ri6++, ip_to_str(sub6->addr, AF_INET6).str, sub6->prefix_length);
sub6 = sub6->next;
}}
}
for (int i = 0; i < nq->tranzit_count; i++) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, " tranzit[%d]: node=%016llx rtt=%u linkq=%u",
i, (unsigned long long)nq->tranzit_data[i].node_id, nq->tranzit_data[i].rtt, nq->tranzit_data[i].link_q);
}
int path_idx = 0;
if (nq->paths) {
struct ll_entry* pe = nq->paths->head;
while (pe) {
struct TOPO_NODEPATH* path = (struct TOPO_NODEPATH*)pe;
uint64_t* hop = (uint64_t*)((uint8_t*)path + sizeof(struct TOPO_NODEPATH));
char hop_buf[256] = ""; int hop_pos = 0;
for (uint8_t hi = 0; hi < path->hop_count && hop_pos < (int)sizeof(hop_buf)-20; hi++)
hop_pos += snprintf(hop_buf + hop_pos, sizeof(hop_buf) - hop_pos, "%s%016llx", hi ? "->" : "", (unsigned long long)hop[hi]);
DEBUG_INFO(DEBUG_CATEGORY_BGP, " path[%d]: conn=%s hop_count=%u hops=[%s]",
path_idx, path->conn ? path->conn->log_name : "NULL", path->hop_count, hop_buf);
path_idx++; pe = pe->next;
}
}
struct TOPO_CONNECTIVITY* c = &nq->connectivity;
if (is_node_connectivity_active(c)) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, " connectivity: probe=%s iface=%s(%u) nat=%s(%u) real=%s(%u) pend=%u iface_rtt=%u nat_rtt=%u real_rtt=%u start_tb=%llu ping_req_tb=%llu",
probe_status_str(c->probe_status), probe_result_str(c->interface_status), c->interface_min_rtt,
probe_result_str(c->nat_status), c->nat_min_rtt, probe_result_str(c->real_status), c->real_min_rtt,
c->pending_count, c->interface_min_rtt, c->nat_min_rtt, c->real_min_rtt,
(unsigned long long)c->probe_start_time, (unsigned long long)c->ping_req_time);
}
if (nq->conn_mgr_type != CONN_TYPE_NONE) {
char interm_buf[200] = ""; int ipos = 0;
for (uint8_t i = 0; i < nq->conn_mgr_intermediariy_count && ipos < (int)sizeof(interm_buf)-19; i++)
ipos += snprintf(interm_buf + ipos, sizeof(interm_buf) - ipos, "%s%016llx", i ? "," : "", (unsigned long long)nq->conn_mgr_intermediaries[i]);
DEBUG_INFO(DEBUG_CATEGORY_BGP, " conn_mgr: type=%s intermediates=[%s]", conn_mgr_type_str(nq->conn_mgr_type), interm_buf);
}
e = e->next; idx++;
}
}
int topo_node_format_all(struct TOPO_GROUP* group, char* buf, size_t buf_size) {
if (!group || !group->nodes || !buf || buf_size == 0) return 0;
int pos = 0;
pos += snprintf(buf + pos, buf_size > (size_t)pos ? buf_size - pos : 0,
"=== BGP Nodes dump: %d nodes ===\n", queue_entry_count(group->nodes));
int idx = 0;
struct ll_entry* e = group->nodes->head;
while (e && (size_t)pos < buf_size) {
struct TOPO_NODEQ* nq = (struct TOPO_NODEQ*)e;
struct TOPO_NODE* ni = nq->node;
if (!ni) { e = e->next; continue; }
int is_local = (group->local_node == nq);
const char* name_s = ni->node_name ? ni->node_name : "";
#define FMT_ADD(fmt, ...) pos += snprintf(buf + pos, buf_size > (size_t)pos ? buf_size - pos : 0, fmt, ##__VA_ARGS__)
FMT_ADD("--- Node #%d: id=%016llx name=\"%s\" ver=%u dirty=%u alien=%u grp=%llu%s ---\n",
idx, (unsigned long long)ni->node_id, name_s, ni->ver, nq->dirty, nq->alien,
(unsigned long long)ni->group_id, is_local ? " [LOCAL]" : "");
if (nq->best_socket) FMT_ADD(" best_socket=%p\n", (void*)nq->best_socket);
FMT_ADD(" pubkey: "); for (int k = 0; k < SC_PUBKEY_SIZE; k++) FMT_ADD("%02x", ni->public_key[k]); FMT_ADD("\n");
FMT_ADD(" ed25519: "); for (int k = 0; k < SC_PUBKEY_SIZE; k++) FMT_ADD("%02x", ni->ed25519_public_key[k]); FMT_ADD("\n");
{ struct TOPO_SOCKMETA4* sm = ni->v4_sock_meta; int si = 0; while (sm) {
FMT_ADD(" v4sock[%d]: id=%u config=%u nat=%u\n", si++, sm->id, sm->config_type, sm->nat_type); sm = sm->next;
}}
{ const char* atn[] = {"INTERFACE","NAT","REAL"}; struct TOPO_ADDR4* a = ni->v4_addrs; int ai = 0; while (a) {
const char* proto = (a->protocol & TOPO_PROTO_TCP) ? "tcp" : (a->protocol & TOPO_PROTO_UDP) ? "udp" : "?";
FMT_ADD(" v4addr[%d]: %s:%u %s sock=%u proto=%s\n",
ai++, ip_to_str(a->addr, AF_INET).str, a->port, (a->type<=2)?atn[a->type]:"?", a->socket_id, proto);
a = a->next;
}}
{ struct TOPO_SOCKMETA6* sm6 = ni->v6_sock_meta; int s6i = 0; while (sm6) {
FMT_ADD(" v6sock[%d]: id=%u config=%u nat=%u\n", s6i++, sm6->id, sm6->config_type, sm6->nat_type); sm6 = sm6->next;
}}
{ struct TOPO_ADDR6* a6 = ni->v6_addrs; int a6i = 0; while (a6) {
const char* proto = (a6->protocol & TOPO_PROTO_TCP) ? "tcp" : (a6->protocol & TOPO_PROTO_UDP) ? "udp" : "?";
FMT_ADD(" v6addr[%d]: %s:%u type=%u sock=%u proto=%s\n",
a6i++, ip_to_str(a6->addr, AF_INET6).str, a6->port, a6->type, a6->socket_id, proto);
a6 = a6->next;
}}
if (nq->subnets) {
{ struct TOPO_SUBNET4* sub = nq->subnets->v4_subnets; int ri = 0; while (sub) {
FMT_ADD(" v4sub[%d]: %s/%d\n", ri++, ip_to_str(sub->addr, AF_INET).str, sub->prefix_length); sub = sub->next;
}}
{ struct TOPO_SUBNET6* sub6 = nq->subnets->v6_subnets; int r6i = 0; while (sub6) {
FMT_ADD(" v6sub[%d]: %s/%d\n", r6i++, ip_to_str(sub6->addr, AF_INET6).str, sub6->prefix_length); sub6 = sub6->next;
}}
}
for (int i = 0; i < nq->tranzit_count; i++)
FMT_ADD(" tranzit[%d]: node=%016llx rtt=%u linkq=%u\n",
i, (unsigned long long)nq->tranzit_data[i].node_id, nq->tranzit_data[i].rtt, nq->tranzit_data[i].link_q);
if (nq->paths) {
struct ll_entry* pe = nq->paths->head; int pi = 0;
while (pe) {
struct TOPO_NODEPATH* path = (struct TOPO_NODEPATH*)pe;
uint64_t* hop = (uint64_t*)((uint8_t*)path + sizeof(struct TOPO_NODEPATH));
FMT_ADD(" path[%d]: conn=%s hop_count=%u hops=[", pi++, path->conn ? path->conn->log_name : "NULL", path->hop_count);
for (uint8_t hi = 0; hi < path->hop_count; hi++)
FMT_ADD("%s%016llx", hi ? "->" : "", (unsigned long long)hop[hi]);
FMT_ADD("]\n"); pe = pe->next;
}
}
struct TOPO_CONNECTIVITY* c = &nq->connectivity;
if (is_node_connectivity_active(c)) {
FMT_ADD(" connectivity: probe=%s iface=%s(%u) nat=%s(%u) real=%s(%u) pend=%u iface_rtt=%u nat_rtt=%u real_rtt=%u start_tb=%llu ping_req_tb=%llu\n",
probe_status_str(c->probe_status), probe_result_str(c->interface_status), c->interface_min_rtt,
probe_result_str(c->nat_status), c->nat_min_rtt, probe_result_str(c->real_status), c->real_min_rtt,
c->pending_count, c->interface_min_rtt, c->nat_min_rtt, c->real_min_rtt,
(unsigned long long)c->probe_start_time, (unsigned long long)c->ping_req_time);
}
if (nq->conn_mgr_type != CONN_TYPE_NONE) {
FMT_ADD(" conn_mgr: type=%s intermediates=[", conn_mgr_type_str(nq->conn_mgr_type));
for (uint8_t i = 0; i < nq->conn_mgr_intermediariy_count; i++)
FMT_ADD("%s%016llx", i ? "," : "", (unsigned long long)nq->conn_mgr_intermediaries[i]);
FMT_ADD("]\n");
}
#undef FMT_ADD
e = e->next; idx++;
}
if ((size_t)pos >= buf_size) {
pos = (int)buf_size - 14; if (pos < 0) pos = 0;
pos += snprintf(buf + pos, buf_size - pos, "\n[TRUNCATED]\n");
}
return pos;
}
// ===== update my nodeinfo =====
int topo_group_update_my_nodeinfo(struct UTUN_INSTANCE* instance, struct TOPO_GROUP* group) {
if (!instance || !group) { DEBUG_ERROR(DEBUG_CATEGORY_BGP, "invalid args"); return -1; }
size_t name_len = 0;
if (instance->name[0]) { name_len = strlen(instance->name); if (name_len > 63) name_len = 63; }
int vc = 0, vc6 = 0;
struct CFG_ROUTE_ENTRY* s = instance->config->my_subnets;
while (s) { if (s->ip.family == AF_INET) vc++; else if (s->ip.family == AF_INET6) vc6++; s = s->next; }
// Для chat групп подсети не передаём
if (group->group_type == TOPO_GROUP_TYPE_CHAT) { vc = 0; vc6 = 0; }
int sock_count = 0, addr_count = 0, sock6_count = 0, addr6_count = 0;
struct ETCP_SOCKET* e_sock = instance->etcp_sockets;
while (e_sock) {
if (e_sock->type == CFG_SERVER_TYPE_PRIVATE || e_sock->type == CFG_SERVER_TYPE_LOCAL) { e_sock = e_sock->next; continue; }
if (e_sock->local_addr.ss_family == AF_INET) {
sock_count++; addr_count++;
if (e_sock->nat_addr.ss_family == AF_INET) {
struct sockaddr_in* nat_sin = (struct sockaddr_in*)&e_sock->nat_addr;
if (nat_sin->sin_addr.s_addr != 0 && e_sock->nat_type != NAT_VERIFIED_STRICT) addr_count++;
}
if (e_sock->nat_type == NAT_VERIFIED_DIRECT || ((e_sock->type == CFG_SERVER_TYPE_PUBLIC || e_sock->type == CFG_SERVER_TYPE_UNKNOWN) && e_sock->nat_type < NAT_VERIFIED_UNKNOWN)) addr_count++;
} else if (e_sock->local_addr.ss_family == AF_INET6) { sock6_count++; addr6_count++; }
e_sock = e_sock->next;
}
{ struct CFG_SERVER* srv = instance->config->servers;
while (srv) { if (srv->transport) { if (srv->ip.ss_family == AF_INET) addr_count++; else if (srv->ip.ss_family == AF_INET6) addr6_count++; } srv = srv->next; }
}
int changed = 1; uint8_t old_ver = 0;
if (group->local_node && group->local_node->node) {
struct TOPO_NODE* oni = group->local_node->node;
old_ver = oni->ver;
changed = (vc != (group->local_node->subnets ? topo_list_count((struct _topo_head*)group->local_node->subnets->v4_subnets) : 0))
|| (sock_count != topo_list_count((struct _topo_head*)oni->v4_sock_meta))
|| (addr_count != topo_list_count((struct _topo_head*)oni->v4_addrs))
|| (name_len != (oni->node_name ? strlen(oni->node_name) : 0))
|| (memcmp(oni->public_key, instance->my_keys.public_key, SC_PUBKEY_SIZE) != 0)
|| (vc6 != (group->local_node->subnets ? topo_list_count((struct _topo_head*)group->local_node->subnets->v6_subnets) : 0))
|| (sock6_count != topo_list_count((struct _topo_head*)oni->v6_sock_meta))
|| (addr6_count != topo_list_count((struct _topo_head*)oni->v6_addrs));
if (group->local_node && group->instance && group->instance->topo_groups)
if (memcmp(oni->ed25519_public_key, group->ed25519_public_key, SC_PUBKEY_SIZE) != 0) changed = 1;
}
if (changed) {
if (group->local_node) {
if (instance->rt) route_delete(instance->rt, group->local_node);
topo_node_free_lists(group, group->local_node);
u_free(group->local_node);
group->local_node = NULL;
}
group->local_node = u_calloc(1, sizeof(struct TOPO_NODEQ));
if (!group->local_node) return -1;
struct TOPO_NODEQ* lq = group->local_node;
struct TOPO_NODE* ni = u_calloc(1, sizeof(struct TOPO_NODE));
if (!ni) { u_free(lq); group->local_node = NULL; return -1; }
ni->ref_count = 1;
ni->flags = (group->group_type == TOPO_GROUP_TYPE_CHAT) ? 0 : TOPO_FLAG_SEND_SUBNETS;
ni->group_id = group->group_id;
ni->node_id = instance->node_id;
ni->ver = (old_ver % 255) + 1;
memcpy(ni->public_key, instance->my_keys.public_key, SC_PUBKEY_SIZE);
memcpy(ni->ed25519_public_key, group->ed25519_public_key, SC_PUBKEY_SIZE);
if (name_len) { ni->node_name = u_malloc(name_len + 1); if (ni->node_name) { memcpy(ni->node_name, instance->name, name_len); ni->node_name[name_len] = 0; } }
lq->node = ni;
lq->hash_node_id = ni->node_id;
lq->hop_count = 0;
lq->dirty = 1;
lq->last_ver = ni->ver;
e_sock = instance->etcp_sockets;
while (e_sock) {
if (e_sock->type == CFG_SERVER_TYPE_PRIVATE || e_sock->type == CFG_SERVER_TYPE_LOCAL) { e_sock = e_sock->next; continue; }
if (e_sock->local_addr.ss_family == AF_INET) {
{ struct TOPO_SOCKMETA4* sm = memory_pool_alloc(group->instance->topo_groups->v4_sock_meta_pool);
sm->id = e_sock->sock_id; sm->config_type = e_sock->type; sm->nat_type = e_sock->nat_type;
sm->next = ni->v4_sock_meta; ni->v4_sock_meta = sm; }
struct sockaddr_in* if_sin = (struct sockaddr_in*)&e_sock->interface_addr;
struct sockaddr_in* nat_sin = (struct sockaddr_in*)&e_sock->nat_addr;
{ struct TOPO_ADDR4* a = memory_pool_alloc(group->instance->topo_groups->v4_addr_pool);
memcpy(a->addr, &if_sin->sin_addr.s_addr, 4); a->port = ntohs(if_sin->sin_port);
a->type = TOPO_ADDR_INTERFACE; a->socket_id = e_sock->sock_id; a->protocol = TOPO_PROTO_UDP;
a->next = ni->v4_addrs; ni->v4_addrs = a; }
if (e_sock->nat_addr.ss_family == AF_INET && nat_sin->sin_addr.s_addr != 0 && e_sock->nat_type != NAT_VERIFIED_STRICT) {
struct TOPO_ADDR4* a = memory_pool_alloc(group->instance->topo_groups->v4_addr_pool);
memcpy(a->addr, &nat_sin->sin_addr.s_addr, 4); a->port = ntohs(nat_sin->sin_port);
a->type = TOPO_ADDR_NAT; a->socket_id = e_sock->sock_id; a->protocol = TOPO_PROTO_UDP;
a->next = ni->v4_addrs; ni->v4_addrs = a;
}
if (e_sock->nat_type == NAT_VERIFIED_DIRECT || ((e_sock->type == CFG_SERVER_TYPE_PUBLIC || e_sock->type == CFG_SERVER_TYPE_UNKNOWN) && e_sock->nat_type < NAT_VERIFIED_UNKNOWN)) {
struct TOPO_ADDR4* a = memory_pool_alloc(group->instance->topo_groups->v4_addr_pool);
memcpy(a->addr, &if_sin->sin_addr.s_addr, 4); a->port = ntohs(if_sin->sin_port);
a->type = TOPO_ADDR_REAL; a->socket_id = e_sock->sock_id; a->protocol = TOPO_PROTO_UDP;
a->next = ni->v4_addrs; ni->v4_addrs = a;
}
} else if (e_sock->local_addr.ss_family == AF_INET6) {
{ struct TOPO_SOCKMETA6* sm6 = memory_pool_alloc(group->instance->topo_groups->v6_sock_meta_pool);
sm6->id = e_sock->sock_id; sm6->config_type = e_sock->type; sm6->nat_type = e_sock->nat_type;
sm6->next = ni->v6_sock_meta; ni->v6_sock_meta = sm6; }
struct sockaddr_in6* if_sin6 = (struct sockaddr_in6*)&e_sock->interface_addr;
{ struct TOPO_ADDR6* a6 = memory_pool_alloc(group->instance->topo_groups->v6_addr_pool);
memcpy(a6->addr, &if_sin6->sin6_addr, 16); a6->port = ntohs(if_sin6->sin6_port);
a6->type = TOPO_ADDR_INTERFACE; a6->socket_id = e_sock->sock_id; a6->protocol = TOPO_PROTO_UDP;
a6->next = ni->v6_addrs; ni->v6_addrs = a6; }
}
e_sock = e_sock->next;
}
{ struct CFG_SERVER* srv = instance->config->servers;
while (srv) { if (srv->transport && srv->ip.ss_family == AF_INET) {
struct sockaddr_in* tcp_sin = (struct sockaddr_in*)&srv->ip;
struct TOPO_ADDR4* a = memory_pool_alloc(group->instance->topo_groups->v4_addr_pool);
memcpy(a->addr, &tcp_sin->sin_addr.s_addr, 4); a->port = ntohs(tcp_sin->sin_port);
a->type = TOPO_ADDR_INTERFACE; a->socket_id = 0; a->protocol = TOPO_PROTO_TCP;
a->next = ni->v4_addrs; ni->v4_addrs = a;
} else if (srv->transport && srv->ip.ss_family == AF_INET6) {
struct sockaddr_in6* tcp_sin6 = (struct sockaddr_in6*)&srv->ip;
struct TOPO_ADDR6* a6 = memory_pool_alloc(group->instance->topo_groups->v6_addr_pool);
memcpy(a6->addr, &tcp_sin6->sin6_addr, 16); a6->port = ntohs(tcp_sin6->sin6_port);
a6->type = TOPO_ADDR_INTERFACE; a6->socket_id = 0; a6->protocol = TOPO_PROTO_TCP;
a6->next = ni->v6_addrs; ni->v6_addrs = a6;
} srv = srv->next; }
}
if (group->group_type != TOPO_GROUP_TYPE_CHAT && (vc || vc6)) {
struct TOPO_NODESUBNETS* r = u_calloc(1, sizeof(struct TOPO_NODESUBNETS));
s = instance->config->my_subnets;
while (s) {
if (s->ip.family == AF_INET) {
struct TOPO_SUBNET4* sub = memory_pool_alloc(group->instance->topo_groups->v4_subnet_pool);
memcpy(sub->addr, &s->ip.addr.v4, 4); sub->prefix_length = s->netmask;
sub->next = r->v4_subnets; r->v4_subnets = sub;
} else if (s->ip.family == AF_INET6) {
struct TOPO_SUBNET6* sub6 = memory_pool_alloc(group->instance->topo_groups->v6_subnet_pool);
memcpy(sub6->addr, &s->ip.addr.v6, 16); sub6->prefix_length = s->netmask;
sub6->next = r->v6_subnets; r->v6_subnets = sub6;
}
s = s->next;
}
lq->subnets = r;
}
DEBUG_INFO(DEBUG_CATEGORY_BGP, "my_nodeinfo updated: v4s=%d v4a=%d v6s=%d v6a=%d v4sub=%d v6sub=%d ver=%d",
sock_count, addr_count, sock6_count, addr6_count, vc, vc6, ni->ver);
if (group->group_type != TOPO_GROUP_TYPE_CHAT && instance->rt && !route_insert(instance->rt, lq))
DEBUG_WARN(DEBUG_CATEGORY_ROUTING, "failed to insert local routes");
} else {
group->local_node->last_ver = group->local_node->node->ver;
}
return vc;
}