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* CommonCLI: added "get/set path.hash.mode "

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This commit is contained in:
Scott Powell 2026-02-23 14:25:19 +11:00
parent 05e7b682b9
commit a66773bac0
8 changed files with 49 additions and 18 deletions
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19
src/Packet.cpp
View file

@ -10,14 +10,27 @@ Packet::Packet() {
payload_len = 0;
}
uint8_t Packet::copyPath(uint8_t* dest, const uint8_t* src, uint8_t path_len) {
bool Packet::isValidPathLen(uint8_t path_len) {
uint8_t hash_count = path_len & 63;
uint8_t hash_size = (path_len >> 6) + 1;
if (hash_count*hash_size > MAX_PATH_SIZE) {
if (hash_size == 4) return false; // Reserved for future
return hash_count*hash_size <= MAX_PATH_SIZE;
}
size_t Packet::writePath(uint8_t* dest, const uint8_t* src, uint8_t path_len) {
uint8_t hash_count = path_len & 63;
uint8_t hash_size = (path_len >> 6) + 1;
size_t len = hash_count*hash_size;
if (len > MAX_PATH_SIZE) {
MESH_DEBUG_PRINTLN("Packet::copyPath, invalid path_len=%d", (uint32_t)path_len);
return 0; // Error
}
memcpy(dest, src, hash_count*hash_size);
memcpy(dest, src, len);
return len;
}
uint8_t Packet::copyPath(uint8_t* dest, const uint8_t* src, uint8_t path_len) {
if (writePath(dest, src, path_len) == 0) return 0;
return path_len;
}

4
src/Packet.h
View file

@ -82,7 +82,9 @@ public:
void setPathHashCount(uint8_t n) { path_len &= ~63; path_len |= n; }
void setPathHashSizeAndCount(uint8_t sz, uint8_t n) { path_len = ((sz - 1) << 6) | (n & 63); }
static uint8_t copyPath(uint8_t* dest, const uint8_t* src, uint8_t path_len);
static uint8_t copyPath(uint8_t* dest, const uint8_t* src, uint8_t path_len); // returns path_len
static size_t writePath(uint8_t* dest, const uint8_t* src, uint8_t path_len); // returns byte length written
static bool isValidPathLen(uint8_t path_len);
void markDoNotRetransmit() { header = 0xFF; }
bool isMarkedDoNotRetransmit() const { return header == 0xFF; }

19
src/helpers/CommonCLI.cpp
View file

@ -63,7 +63,8 @@ void CommonCLI::loadPrefsInt(FILESYSTEM* fs, const char* filename) {
file.read((uint8_t *)&_prefs->multi_acks, sizeof(_prefs->multi_acks)); // 115
file.read((uint8_t *)&_prefs->bw, sizeof(_prefs->bw)); // 116
file.read((uint8_t *)&_prefs->agc_reset_interval, sizeof(_prefs->agc_reset_interval)); // 120
file.read(pad, 3); // 121
file.read((uint8_t *)&_prefs->path_hash_mode, sizeof(_prefs->path_hash_mode)); // 121
file.read(pad, 2); // 122
file.read((uint8_t *)&_prefs->flood_max, sizeof(_prefs->flood_max)); // 124
file.read((uint8_t *)&_prefs->flood_advert_interval, sizeof(_prefs->flood_advert_interval)); // 125
file.read((uint8_t *)&_prefs->interference_threshold, sizeof(_prefs->interference_threshold)); // 126
@ -95,6 +96,7 @@ void CommonCLI::loadPrefsInt(FILESYSTEM* fs, const char* filename) {
_prefs->tx_power_dbm = constrain(_prefs->tx_power_dbm, -9, 30);
_prefs->multi_acks = constrain(_prefs->multi_acks, 0, 1);
_prefs->adc_multiplier = constrain(_prefs->adc_multiplier, 0.0f, 10.0f);
_prefs->path_hash_mode = constrain(_prefs->path_hash_mode, 0, 2); // NOTE: mode 3 reserved for future
// sanitise bad bridge pref values
_prefs->bridge_enabled = constrain(_prefs->bridge_enabled, 0, 1);
@ -147,7 +149,8 @@ void CommonCLI::savePrefs(FILESYSTEM* fs) {
file.write((uint8_t *)&_prefs->multi_acks, sizeof(_prefs->multi_acks)); // 115
file.write((uint8_t *)&_prefs->bw, sizeof(_prefs->bw)); // 116
file.write((uint8_t *)&_prefs->agc_reset_interval, sizeof(_prefs->agc_reset_interval)); // 120
file.write(pad, 3); // 121
file.write((uint8_t *)&_prefs->path_hash_mode, sizeof(_prefs->path_hash_mode)); // 121
file.write(pad, 2); // 122
file.write((uint8_t *)&_prefs->flood_max, sizeof(_prefs->flood_max)); // 124
file.write((uint8_t *)&_prefs->flood_advert_interval, sizeof(_prefs->flood_advert_interval)); // 125
file.write((uint8_t *)&_prefs->interference_threshold, sizeof(_prefs->interference_threshold)); // 126
@ -325,6 +328,8 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
sp++;
}
*reply = 0; // set null terminator
} else if (memcmp(config, "path.hash.mode", 14) == 0) {
sprintf(reply, "> %d", (uint32_t)_prefs->path_hash_mode);
} else if (memcmp(config, "tx", 2) == 0 && (config[2] == 0 || config[2] == ' ')) {
sprintf(reply, "> %d", (int32_t) _prefs->tx_power_dbm);
} else if (memcmp(config, "freq", 4) == 0) {
@ -556,6 +561,16 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
*dp = 0;
savePrefs();
strcpy(reply, "OK");
} else if (memcmp(config, "path.hash.mode ", 15) == 0) {
config += 15;
uint8_t mode = atoi(config);
if (mode < 3) {
_prefs->path_hash_mode = mode;
savePrefs();
strcpy(reply, "OK");
} else {
strcpy(reply, "Error, must be 0,1, or 2");
}
} else if (memcmp(config, "tx ", 3) == 0) {
_prefs->tx_power_dbm = atoi(&config[3]);
savePrefs();

1
src/helpers/CommonCLI.h
View file

@ -52,6 +52,7 @@ struct NodePrefs { // persisted to file
uint32_t discovery_mod_timestamp;
float adc_multiplier;
char owner_info[120];
uint8_t path_hash_mode; // which path mode to use when sending
};
class CommonCLICallbacks {