meshcore-dev/MeshCore
1
0
Fork 0
mirror of https://github.com/meshcore-dev/MeshCore.git synced 2026-04-20 22:13:47 +00:00
Code Issues Projects Releases Packages Wiki Activity

* support for GroupChannels in BaseChatMesh, and terminal chat

Browse source
This commit is contained in:
Scott Powell 2025-01-26 00:46:36 +11:00
parent e58d866949
commit 6d5e69ae04
4 changed files with 82 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

30
examples/simple_secure_chat/main.cpp
View file

@ -45,6 +45,7 @@
#define DIRECT_SEND_PERHOP_FACTOR 4.0f
#define DIRECT_SEND_PERHOP_EXTRA_MILLIS 200
#define PUBLIC_GROUP_PSK "izOH6cXN6mrJ5e26oRXNcg=="
#if defined(HELTEC_LORA_V3)
#include <helpers/HeltecV3Board.h>
@ -74,6 +75,7 @@ static int curr_contact_idx = 0;
class MyMesh : public BaseChatMesh, ContactVisitor {
FILESYSTEM* _fs;
uint32_t expected_ack_crc;
mesh::GroupChannel* _public;
unsigned long last_msg_sent;
ContactInfo* curr_recipient;
char command[MAX_TEXT_LEN+1];
@ -191,6 +193,15 @@ protected:
}
}
void onChannelMessageRecv(const mesh::GroupChannel& channel, int in_path_len, uint32_t timestamp, const char *text) override {
if (in_path_len < 0) {
Serial.printf("PUBLIC CHANNEL MSG -> (Direct!)\n");
} else {
Serial.printf("PUBLIC CHANNEL MSG -> (Flood) hops %d\n", in_path_len);
}
Serial.printf(" %s\n", text);
}
uint32_t calcFloodTimeoutMillisFor(uint32_t pkt_airtime_millis) const override {
return SEND_TIMEOUT_BASE_MILLIS + (FLOOD_SEND_TIMEOUT_FACTOR * pkt_airtime_millis);
}
@ -226,6 +237,7 @@ public:
}
loadContacts();
_public = addChannel(PUBLIC_GROUP_PSK); // pre-configure Andy's public channel
}
void showWelcome() {
@ -261,6 +273,23 @@ public:
} else {
Serial.println(" ERROR: no recipient selected (use 'to' cmd).");
}
} else if (memcmp(command, "public ", 7) == 0) { // send GroupChannel msg
uint8_t temp[5+MAX_TEXT_LEN+32];
uint32_t timestamp = getRTCClock()->getCurrentTime();
memcpy(temp, &timestamp, 4); // mostly an extra blob to help make packet_hash unique
temp[4] = 0; // attempt and flags
sprintf((char *) &temp[5], "%s: %s", self_name, &command[7]); // <sender>: <msg>
temp[5 + MAX_TEXT_LEN] = 0; // truncate if too long
int len = strlen((char *) &temp[5]);
auto pkt = createGroupDatagram(PAYLOAD_TYPE_GRP_TXT, *_public, temp, 5 + len);
if (pkt) {
sendFlood(pkt);
Serial.println(" Sent.");
} else {
Serial.println(" ERROR: unable to send");
}
} else if (memcmp(command, "list", 4) == 0) { // show Contact list, by most recent
int n = 0;
if (command[4] == ' ') { // optional param, last 'N'
@ -313,6 +342,7 @@ public:
Serial.println(" send <text>");
Serial.println(" advert");
Serial.println(" reset path");
Serial.println(" public <text>");
} else {
Serial.print(" ERROR: unknown command: "); Serial.println(command);
}