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mesh: relay message on network layer only if relay feature is enabled

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This commit is contained in:
Matthias Ringwald 2019-06-27 13:58:50 +02:00
parent 917dc5c7e7
commit f18b16f406
1 changed files with 18 additions and 16 deletions
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34
src/mesh/mesh_network.c
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@ -350,26 +350,28 @@ static void mesh_network_send_a(mesh_network_pdu_t * network_pdu){
void mesh_network_message_processed_by_higher_layer(mesh_network_pdu_t * network_pdu){
#ifdef ENABLE_MESH_RELAY
uint8_t ctl_ttl = network_pdu->data[1];
uint8_t ctl = ctl_ttl >> 7;
uint8_t ttl = ctl_ttl & 0x7f;
uint8_t net_mic_len = (ctl_ttl & 0x80) ? 8 : 4;
uint16_t src = big_endian_read_16(network_pdu->data, 5);
if (mesh_foundation_relay_get() != 0){
uint8_t ctl_ttl = network_pdu->data[1];
uint8_t ttl = ctl_ttl & 0x7f;
uint16_t src = big_endian_read_16(network_pdu->data, 5);
// check if address matches elements on our node and TTL >= 2
if (((src < mesh_network_primary_address) || (src > (mesh_network_primary_address + mesh_network_num_elements))) && (ttl >= 2)){
// prepare pdu for resending
network_pdu->len -= net_mic_len;
network_pdu->data[1] = (ctl << 7) | (ttl - 1);
// check if address matches elements on our node and TTL >= 2
if (((src < mesh_network_primary_address) || (src > (mesh_network_primary_address + mesh_network_num_elements))) && (ttl >= 2)){
uint8_t ctl = ctl_ttl >> 7;
uint8_t net_mic_len = (ctl_ttl & 0x80) ? 8 : 4;
// prepare pdu for resending
network_pdu->len -= net_mic_len;
network_pdu->data[1] = (ctl << 7) | (ttl - 1);
// queue up
network_pdu->callback = &mesh_network_send_d;
btstack_linked_list_add_tail(&network_pdus_queued, (btstack_linked_item_t *) network_pdu);
// queue up
network_pdu->callback = &mesh_network_send_d;
btstack_linked_list_add_tail(&network_pdus_queued, (btstack_linked_item_t *) network_pdu);
// go
mesh_network_run();
// go
mesh_network_run();
return;
return;
}
}
#endif
btstack_memory_mesh_network_pdu_free(network_pdu);