Archives/Farm-Data-Relay-System
2
0
Fork 0
mirror of https://github.com/timmbogner/Farm-Data-Relay-System synced 2024-11-10 07:10:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

resend logged values if mqtt connection is back

Browse Source 
ATM using the csv lines
deleting the lofgile after resending
This commit is contained in:
theFeiter 2022-07-23 18:19:54 +02:00
parent b7541a8e00
commit 9e700ca315
1 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
FDRS_Gateway/fdrs_functions.h
View File

@ -97,6 +97,8 @@ uint8_t LoRa2[] = {mac_prefix[3], mac_prefix[4], LORA2_PEER};
char logBuffer[512];
uint16_t logBufferPos = 0; // datatype depends on size of sdBuffer
uint32_t timeLOGBUF = 0;
time_t last_mqtt_success = 0;
time_t last_log_write = 0;
#endif
DataReading theData[256];
@ -230,6 +232,7 @@ void sendLog()
memcpy(&logBuffer[logBufferPos], linebuf, strlen(linebuf)); //append line to buffer
logBufferPos+=strlen(linebuf);
}
time(&last_log_write);
#endif
}
void reconnect(short int attempts, bool silent) {
@ -288,11 +291,49 @@ void mqtt_callback(char* topic, byte * message, unsigned int length) {
}
}
void resendLog(){
#ifdef USE_SD_LOG
/*DBG("Releasing Log buffer to SD");
File logfile = SD.open(SD_FILENAME, FILE_WRITE);
logfile.print(logBuffer);
logfile.close();*/
#endif
#ifdef USE_FS_LOG
DBG("Resending logged values from internal flash.");
File logfile = LittleFS.open(FS_FILENAME, "r");
while(1){
String line = logfile.readStringUntil('\n');
if (line.length() > 0){ // if line contains something
if (!client.publish(TOPIC_DATA, line.c_str())) {
break;
}else{
time(&last_mqtt_success);
}
}else{
LittleFS.remove(FS_FILENAME); // if all values are sent
break;
}
}
logfile.close();
DBG(" Done");
#endif
}
void mqtt_publish(const char* payload) {
#ifdef USE_WIFI
if (!client.publish(TOPIC_DATA, payload)) {
DBG(" Error on sending MQTT");
sendLog();
}else{
#if defined (USE_SD_LOG) || defined (USE_FS_LOG)
if (last_log_write >= last_mqtt_success){
releaseLogBuffer();
resendLog();
}
time(&last_mqtt_success);
#endif
}
#endif
}