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Reduce telnet stack usage fixing ESP8266 exceptions

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This commit is contained in:
Theo Arends 2025-03-22 17:33:27 +01:00
parent b47a1bc1e2
commit caac9f1257
5 changed files with 81 additions and 85 deletions
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5
tasmota/include/tasmota_globals.h
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@ -47,11 +47,8 @@ extern "C" int startWaveformClockCycles(uint8_t pin, uint32_t highCcys, uint32_t
uint32_t runTimeCcys, int8_t alignPhase, uint32_t phaseOffsetCcys, bool autoPwm);
extern "C" void setTimer1Callback(uint32_t (*fn)());
#ifdef USE_SERIAL_BRIDGE
void SerialBridgePrint(char *data);
void SerialBridgePrintf(PGM_P formatP, ...);
#endif
#ifdef USE_TELNET
void TelnetPrint(char *data);
#endif // USE_TELNET
#ifdef USE_INFLUXDB
void InfluxDbProcess(bool use_copy = false);
#endif

11
tasmota/tasmota_support/support.ino
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@ -2655,17 +2655,10 @@ void AddLogData(uint32_t loglevel, const char* log_data, const char* log_data_pa
if ((loglevel <= TasmotaGlobal.seriallog_level) &&
(TasmotaGlobal.masterlog_level <= TasmotaGlobal.seriallog_level)) {
char* data = ext_snprintf_malloc_P("%s%s%s%s\r\n", mxtime, log_data, log_data_payload, log_data_retained);
if (data) {
TasConsole.print(data);
TasConsole.printf("%s%s%s%s\r\n", mxtime, log_data, log_data_payload, log_data_retained);
#ifdef USE_SERIAL_BRIDGE
SerialBridgePrint(data);
SerialBridgePrintf("%s%s%s%s\r\n", mxtime, log_data, log_data_payload, log_data_retained);
#endif // USE_SERIAL_BRIDGE
#ifdef USE_TELNET
TelnetPrint(data);
#endif // USE_TELNET
free(data);
}
}
if (!TasmotaGlobal.log_buffer) { return; } // Leave now if there is no buffer available

12
tasmota/tasmota_xdrv_driver/xdrv_08_serial_bridge.ino
View File

@ -99,11 +99,18 @@ void SetSSerialConfig(uint32_t serial_config) {
}
}
void SerialBridgePrint(char *data) {
void SerialBridgePrintf(PGM_P formatP, ...) {
#ifdef USE_SERIAL_BRIDGE_TEE
if ((SB_TEE == Settings->sserial_mode) && serial_bridge_buffer) {
va_list arg;
va_start(arg, formatP);
char* data = ext_vsnprintf_malloc_P(formatP, arg);
va_end(arg);
if (data == nullptr) { return; }
// SerialBridgeSerial->printf(data); // This resolves "MqttClientMask":"DVES_%06X" into "DVES_000002"
SerialBridgeSerial->print(data); // This does not resolve "DVES_%06X"
free(data);
}
#endif // USE_SERIAL_BRIDGE_TEE
}
@ -267,8 +274,7 @@ void SerialBridgeInit(void) {
AddLog(LOG_LEVEL_DEBUG, PSTR("SBR: Serial UART%d"), SerialBridgeSerial->getUart());
#endif
SerialBridgeSerial->flush();
char data[] = "\r\n";
SerialBridgePrint(data);
SerialBridgePrintf("\r\n");
}
}
}

5
tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_tasmota.ino
View File

@ -1089,11 +1089,8 @@ extern "C" {
if (len+3 > LOGSZ) { strcat(log_data, "..."); } // Actual data is more
TasConsole.printf(log_data);
#ifdef USE_SERIAL_BRIDGE
SerialBridgePrint(log_data);
SerialBridgePrintf(log_data);
#endif // USE_SERIAL_BRIDGE
#ifdef USE_TELNET
TelnetPrint(log_data);
#endif // USE_TELNET
}
void berry_log_C(const char * berry_buf, ...) {

133
tasmota/tasmota_xdrv_driver/xdrv_78_telnet.ino
View File

@ -19,6 +19,8 @@
* TelnetBuffer - Show current input buffer size (default 256)
* TelnetBuffer 300 - Change input buffer size to 300 characters
* TelnetColor - Show prompt, response and log colors
* TelnetColor 0 - Set all colors to default
* TelnetColor 1 - Set colors to defined colors
* TelnetColor 33,36,32 - Set prompt (yellow), response (cyan) and log (green) colors
*
* To start telnet at restart add a rule like
@ -60,35 +62,14 @@ struct {
uint16_t port;
uint16_t buffer_size;
uint16_t in_byte_counter;
uint8_t index;
uint8_t prompt;
uint8_t color[3];
bool overrun;
bool ip_filter_enabled;
} Telnet;
/********************************************************************************************/
void TelnetPrint(char *data) {
if (Telnet.server) {
WiFiClient &client = Telnet.client;
if (client) {
if (1 == Telnet.prompt) {
client.write("\r\n");
Telnet.prompt = 3; // Do not print linefeed for any data
}
if (Telnet.prompt > 1) {
client.printf("\x1b[%dm", Telnet.color[Telnet.prompt -1]);
}
client.print(data); // This does not resolve "DVES_%06X"
if (Telnet.prompt > 1) {
client.printf("\x1b[0m");
}
}
}
}
/********************************************************************************************/
void TelnetLoop(void) {
// check for a new client connection
if ((Telnet.server) && (Telnet.server->hasClient())) {
@ -100,81 +81,87 @@ void TelnetLoop(void) {
if (Telnet.ip_filter != new_client.remoteIP()) {
AddLog(LOG_LEVEL_INFO, PSTR("TLN: Rejected due to filtering"));
new_client.stop();
// } else {
// AddLog(LOG_LEVEL_INFO, PSTR("TLN: Allowed through filter"));
}
}
WiFiClient &client = Telnet.client;
if (client) {
client.stop();
if (Telnet.client) {
Telnet.client.stop();
}
client = new_client;
if (client) {
client.printf("Tasmota %s %s (%s) %s\r\n\n", TasmotaGlobal.hostname, TasmotaGlobal.version, GetBuildDateAndTime().c_str(), GetDeviceHardware().c_str());
client.printf("\x1b[%dm", Telnet.color[2]);
uint32_t index = 1; // Dump start of log buffer for restart messages
char* line;
size_t len;
while (GetLog(TasmotaGlobal.seriallog_level, &index, &line, &len)) {
// [14:49:36.123 MQTT: stat/wemos5/RESULT = {"POWER":"OFF"}] > [{"POWER":"OFF"}]
client.write(line, len -1);
client.write("\r\n");
}
client.printf("\x1b[0m");
Telnet.prompt = 0;
Telnet.client = new_client;
if (Telnet.client) {
Telnet.client.printf("Tasmota %s %s (%s) %s\r\n", TasmotaGlobal.hostname, TasmotaGlobal.version, GetBuildDateAndTime().c_str(), GetDeviceHardware().c_str());
Telnet.index = 0; // Dump start of log buffer for restart messages
Telnet.prompt = 3;
}
}
WiFiClient &client = Telnet.client;
if (client) {
if (0 == Telnet.prompt) {
client.printf("\x1b[%dm%s:#\x1b[0m ", Telnet.color[0], TasmotaGlobal.hostname); // \x1b[33m = Yellow, \x1b[0m = end color
Telnet.prompt = 1; // Print single linefeed for non-requested data
while (client.available()) { client.read(); } // Flush input
if (Telnet.client) {
// output latest log buffer data
uint32_t index = Telnet.index; // Dump log buffer
char* line;
size_t len;
bool first = true;
while (GetLog(TasmotaGlobal.seriallog_level, &index, &line, &len)) {
// [14:49:36.123 MQTT: stat/wemos5/RESULT = {"POWER":"OFF"}] > [{"POWER":"OFF"}]
if (first) {
first = false;
if (3 == Telnet.prompt) {
Telnet.client.write("\r\n");
Telnet.prompt = 2; // Do not print linefeed for any data and use log color
}
Telnet.client.printf("\x1b[%dm", Telnet.color[Telnet.prompt]);
}
Telnet.client.write(line, len -1);
Telnet.client.write("\r\n");
}
if (!first) {
Telnet.client.write("\x1b[0m"); // Restore colors
if ((0 == Telnet.index) || (Telnet.prompt != 2)) {
Telnet.client.printf("\x1b[%dm%s:#\x1b[0m ", Telnet.color[0], TasmotaGlobal.hostname); // \x1b[33m = Yellow, \x1b[0m = end color
Telnet.prompt = 3; // Print linefeed for non-requested data
while (Telnet.client.available()) { Telnet.client.read(); } // Flush input
}
Telnet.index = index;
return;
}
while (client.available()) {
// Input keyboard data
while (Telnet.client.available()) {
yield();
uint8_t in_byte = client.read();
uint8_t in_byte = Telnet.client.read();
if (isprint(in_byte)) { // Any char between 32 and 127
if (Telnet.in_byte_counter < Telnet.buffer_size -1) { // Add char to string if it still fits
Telnet.buffer[Telnet.in_byte_counter++] = in_byte;
} else {
Telnet.overrun = true; // Signal overrun but continue reading input to flush until '\n' (EOL)
}
}
else if (in_byte == '\n') {
Telnet.buffer[Telnet.in_byte_counter] = 0; // Telnet data completed
TasmotaGlobal.seriallog_level = (Settings->seriallog_level < LOG_LEVEL_INFO) ? (uint8_t)LOG_LEVEL_INFO : Settings->seriallog_level;
client.printf("\r"); // Move cursor to begin of line (needed for non-buffered input)
Telnet.prompt = 2; // Do not print linefeed for requested data
if (Telnet.overrun) {
Telnet.client.write("\r"); // Move cursor to begin of line (needed for non-buffered input)
Telnet.prompt = 1; // Do not print linefeed for requested data and use response color
if (Telnet.in_byte_counter >= Telnet.buffer_size) {
AddLog(LOG_LEVEL_INFO, PSTR("TLN: buffer overrun"));
} else {
AddLog(LOG_LEVEL_INFO, PSTR("TLN: %s"), Telnet.buffer);
ExecuteCommand(Telnet.buffer, SRC_TELNET);
}
Telnet.in_byte_counter = 0;
Telnet.overrun = false;
Telnet.prompt = 0; // Print prompt
return;
}
}
}
}
/********************************************************************************************/
void TelnetStop(void) {
if (Telnet.client) {
Telnet.client.stop();
}
if (Telnet.server) {
Telnet.server->stop();
delete Telnet.server;
Telnet.server = nullptr;
}
WiFiClient &client = Telnet.client;
if (client) {
client.stop();
}
free(Telnet.buffer);
Telnet.buffer = nullptr;
}
@ -264,12 +251,28 @@ void CmndTelnetBuffer(void) {
void CmndTelnetColor(void) {
// TelnetColor - Show prompt, response and log colors
// TelnetColor 0 - Set all colors to default
// TelnetColor 1 - Set colors to defined colors
// TelnetColor 33,37,32 - Set prompt (yellow), response (white) and log (green) colors
if (XdrvMailbox.data_len > 0) {
uint32_t colors[] = { TELNET_COL_PROMPT, TELNET_COL_RESPONSE, TELNET_COL_LOGGING };
uint32_t count = ParseParameters(3, colors);
for (uint32_t i = 0; i < count; i++) {
Telnet.color[i] = colors[i];
uint32_t colors[sizeof(Telnet.color)];
uint32_t count = ParseParameters(sizeof(Telnet.color), colors);
if (1 == count) {
if (0 == colors[0]) { // TelnetColor 0
Telnet.color[0] = 39;
Telnet.color[1] = 39;
Telnet.color[2] = 39;
}
else if (1 == colors[0]) { // TelnetColor 1
Telnet.color[0] = TELNET_COL_PROMPT;
Telnet.color[1] = TELNET_COL_RESPONSE;
Telnet.color[2] = TELNET_COL_LOGGING;
}
}
if (sizeof(Telnet.color) == count) {
for (uint32_t i = 0; i < sizeof(Telnet.color); i++) {
Telnet.color[i] = colors[i];
}
}
}
Response_P(PSTR("{\"%s\":[%d,%d,%d]}"),