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* initial wiring/routing of CLI commands to companion (either via app/serial interface, or remotely via txt message)

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Scott Powell committed 2026-08-21 20:55:57 +10:00
1 parent e0031870f6
commit afb969ccca
8 files changed
+101 -26
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src/helpers/BaseChatMesh.cpp
+32 -11
View File
@@ -9,6 +9,8 @@
#define TXT_ACK_DELAY 200
#endif
#define CLI_REPLY_DELAY_MILLIS 600
void BaseChatMesh::sendFloodScoped(const ContactInfo& recipient, mesh::Packet* pkt, uint32_t delay_millis) {
sendFlood(pkt, delay_millis);
}
@@ -227,8 +229,8 @@ void BaseChatMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender
ContactInfo& from = contacts[i];
if (type == PAYLOAD_TYPE_TXT_MSG && len > 5) {
uint32_t timestamp;
memcpy(&timestamp, data, 4); // timestamp (by sender's RTC clock - which could be wrong)
uint32_t sender_timestamp;
memcpy(&sender_timestamp, data, 4); // timestamp (by sender's RTC clock - which could be wrong)
uint8_t flags = data[4] >> 2; // message attempt number, and other flags
// len can be > original length, but 'text' will be padded with zeroes
@@ -236,7 +238,7 @@ void BaseChatMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender
if (flags == TXT_TYPE_PLAIN) {
from.lastmod = getRTCClock()->getCurrentTime(); // update last heard time
onMessageRecv(from, packet, timestamp, (const char *) &data[5]); // let UI know
onMessageRecv(from, packet, sender_timestamp, (const char *) &data[5]); // let UI know
int text_len = strlen((char *)&data[5]);
uint8_t ack_hash[6]; // calc truncated hash of the message timestamp + text + sender pub_key, to prove to sender that we got it
@@ -254,20 +256,39 @@ void BaseChatMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender
sendAckTo(from, ack_hash, 6);
}
} else if (flags == TXT_TYPE_CLI_DATA) {
onCommandDataRecv(from, packet, timestamp, (const char *) &data[5]); // let UI know
uint8_t temp[166];
char *command = (char *)&data[5];
char *reply = (char *)&temp[5];
*reply = 0;
onCommandDataRecv(from, packet, sender_timestamp, command, reply); // let UI know
// NOTE: no ack expected for CLI_DATA replies
if (packet->isRouteFlood()) {
// let this sender know path TO here, so they can use sendDirect() (NOTE: no ACK as extra)
mesh::Packet* path = createPathReturn(from.id, secret, packet->path, packet->path_len, 0, NULL, 0);
if (path) sendFloodScoped(from, path);
int text_len = strlen(reply);
if (text_len > 0) {
uint32_t timestamp = getRTCClock()->getCurrentTimeUnique();
if (timestamp == sender_timestamp) {
// WORKAROUND: the two timestamps need to be different, in the CLI view
timestamp++;
}
memcpy(temp, &timestamp, 4);
temp[4] = (TXT_TYPE_CLI_DATA << 2);
auto reply_pkt = createDatagram(PAYLOAD_TYPE_TXT_MSG, from.id, secret, temp, 5 + text_len);
if (reply_pkt) {
if (from.out_path_len == OUT_PATH_UNKNOWN) {
sendFloodScoped(from, reply_pkt, CLI_REPLY_DELAY_MILLIS);
} else {
sendDirect(reply_pkt, from.out_path, from.out_path_len, CLI_REPLY_DELAY_MILLIS);
}
}
}
} else if (flags == TXT_TYPE_SIGNED_PLAIN) {
if (timestamp > from.sync_since) { // make sure 'sync_since' is up-to-date
from.sync_since = timestamp;
if (sender_timestamp > from.sync_since) { // make sure 'sync_since' is up-to-date
from.sync_since = sender_timestamp;
}
from.lastmod = getRTCClock()->getCurrentTime(); // update last heard time
onSignedMessageRecv(from, packet, timestamp, &data[5], (const char *) &data[9]); // let UI know
onSignedMessageRecv(from, packet, sender_timestamp, &data[5], (const char *) &data[9]); // let UI know
uint32_t ack_hash; // calc truncated hash of the message timestamp + text + OUR pub_key, to prove to sender that we got it
mesh::Utils::sha256((uint8_t *) &ack_hash, 4, data, 9 + strlen((char *)&data[9]), self_id.pub_key, PUB_KEY_SIZE);