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route

nodeinfo-routing-update
jeka 1 month ago
parent
f844f65abe
commit
cab860fce8
1 changed files with 64 additions and 21 deletions
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  1. 85
      src/route_bgp.c

85
src/route_bgp.c
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@ -31,6 +31,22 @@ static void route_bgp_on_route_change(struct ROUTE_TABLE* table,
struct ROUTE_ENTRY* entry,
int action, void* arg);
static const char* route_type_to_str(route_type_t type) {
switch (type) {
case ROUTE_TYPE_STATIC: return "STATIC";
case ROUTE_TYPE_DYNAMIC: return "DYNAMIC";
case ROUTE_TYPE_LOCAL: return "LOCAL";
case ROUTE_TYPE_LEARNED: return "LEARNED";
default: return "UNKNOWN";
}
}
static void format_ip(uint32_t ip, char* buffer) {
if (!buffer) return;
uint8_t* b = (uint8_t*)&ip;
snprintf(buffer, 16, "%u.%u.%u.%u", b[3], b[2], b[1], b[0]);
}
/**
* @brief Колбэк для приема роутинг-пакетов от ETCP
*
@ -66,8 +82,11 @@ static void route_bgp_receive_cbk(struct ETCP_CONN* from_conn, struct ll_entry*
return;
}
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Received BGP packet: subcmd=%d, network=%08x/%d, node_id=%016llx",
pkt->subcmd, ntohl(pkt->network), pkt->prefix_length & 0x3F, (unsigned long long)pkt->node_id);
char ip_buf[16];
uint32_t network = ntohl(pkt->network);
format_ip(network, ip_buf);
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Received BGP packet: subcmd=%d, network=%s/%d, node_id=%016llx",
pkt->subcmd, ip_buf, pkt->prefix_length & 0x3F, (unsigned long long)pkt->node_id);
switch (pkt->subcmd) {
case ROUTE_SUBCMD_ENTRY: {
@ -99,14 +118,16 @@ static void route_bgp_receive_cbk(struct ETCP_CONN* from_conn, struct ll_entry*
}
// Вставляем в таблицу
char net_buf[16];
format_ip(route.network, net_buf);
if (route_table_insert(instance->rt, &route)) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Added learned route: %08x/%d via node %016llx (hops=%d)",
route.network, route.prefix_length,
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Added learned route: %s/%d via node %016llx (hops=%d)",
net_buf, route.prefix_length,
(unsigned long long)route.destination_node_id,
route.metrics.hop_count);
} else {
DEBUG_WARN(DEBUG_CATEGORY_BGP, "Failed to insert route: %08x/%d",
route.network, route.prefix_length);
DEBUG_WARN(DEBUG_CATEGORY_BGP, "Failed to insert route: %s/%d",
net_buf, route.prefix_length);
}
break;
}
@ -115,16 +136,18 @@ static void route_bgp_receive_cbk(struct ETCP_CONN* from_conn, struct ll_entry*
// Удаление маршрута (withdrawal)
uint32_t network = ntohl(pkt->network);
uint8_t prefix_length = pkt->prefix_length & 0x3F;
char w_net_buf[16];
format_ip(network, w_net_buf);
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Processing route withdrawal: %08x/%d from conn %p",
network, prefix_length, (void*)from_conn);
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Processing route withdrawal: %s/%d from conn %p",
w_net_buf, prefix_length, (void*)from_conn);
if (route_table_delete_entry(instance->rt, network, prefix_length, from_conn)) {
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Route withdrawn successfully: %08x/%d",
network, prefix_length);
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Route withdrawn successfully: %s/%d",
w_net_buf, prefix_length);
} else {
DEBUG_WARN(DEBUG_CATEGORY_BGP, "Route to withdraw not found: %08x/%d",
network, prefix_length);
DEBUG_WARN(DEBUG_CATEGORY_BGP, "Route to withdraw not found: %s/%d",
w_net_buf, prefix_length);
}
break;
}
@ -177,8 +200,10 @@ static void route_bgp_send_withdraw(struct ROUTE_BGP* bgp, struct ETCP_CONN* con
entry->len = sizeof(struct ROUTE_BGP_PACKET);
DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "Sending withdraw: %08x/%d to conn %p",
route->network, route->prefix_length, (void*)conn);
char wd_net_buf[16];
format_ip(route->network, wd_net_buf);
DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "Sending withdraw: %s/%d to conn %p",
wd_net_buf, route->prefix_length, (void*)conn);
// Отправляем через ETCP
if (etcp_send(conn, entry) != 0) {
@ -240,8 +265,10 @@ static void route_bgp_on_route_change(struct ROUTE_TABLE* table,
// Не рассылаем маршруты через которые мы их получили (чтобы избежать петель)
// Это делается в цикле ниже
DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "Route change: action=%d, network=%08x/%d, type=%d",
action, entry->network, entry->prefix_length, entry->type);
char ch_net_buf[16];
format_ip(entry->network, ch_net_buf);
DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "Route change: action=%d, network=%s/%d, type=%d",
action, ch_net_buf, entry->prefix_length, entry->type);
// Перебираем все соединения в senders_list
struct ll_entry* item_entry = bgp->senders_list->head;
@ -302,11 +329,13 @@ static int route_bgp_send_route_single(struct ROUTE_BGP* bgp, struct ETCP_CONN*
entry->len = sizeof(struct ROUTE_BGP_PACKET);
DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "Sending route: %08x/%d to conn %p, endpoint=%u.%u.%u.%u:%d",
route->network, route->prefix_length & 0x3F, (void*)conn,
(endpoint_ip >> 24) & 0xFF, (endpoint_ip >> 16) & 0xFF,
(endpoint_ip >> 8) & 0xFF, endpoint_ip & 0xFF,
ntohs(endpoint_port));
char sr_net_buf[16];
char sr_ep_buf[16];
format_ip(route->network, sr_net_buf);
format_ip(ntohl(endpoint_ip), sr_ep_buf);
DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "Sending route: %s/%d to conn %p, endpoint=%s:%d",
sr_net_buf, route->prefix_length & 0x3F, (void*)conn,
sr_ep_buf, ntohs(endpoint_port));
// Отправляем через ETCP
if (etcp_send(conn, entry) != 0) {
@ -339,6 +368,20 @@ static void route_bgp_send_route(struct ROUTE_BGP* bgp, struct ETCP_CONN* conn,
return;
}
char dbg_net[16], dbg_ep[16];
format_ip(route->network, dbg_net);
format_ip(route->endpoint_ip, dbg_ep);
DEBUG_INFO(DEBUG_CATEGORY_BGP, "Sending route: %s/%d type=%s flags=0x%x "
"metrics{hops=%u lat=%u kbps=%u loss=%u metric=%u} "
"endpoint=%s:%u node_id=%016llx",
dbg_net, route->prefix_length,
route_type_to_str(route->type), route->flags,
route->metrics.hop_count, route->metrics.latency_ms,
route->metrics.bandwidth_kbps, route->metrics.packet_loss_rate,
route->metrics.metric,
dbg_ep, route->endpoint_port,
(unsigned long long)route->destination_node_id);
// Для LOCAL маршрутов - отправляем с нескольких endpoints если есть PUBLIC или NAT серверы
if (route->type == ROUTE_TYPE_LOCAL && conn->links) {
// Сначала отправляем PUBLIC (приоритет), затем NAT

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