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Various updates

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This commit is contained in:
Gunnar Skjold
2022-01-16 09:58:13 +01:00
parent 1f7d845a32
commit 6b0ec39759
9 changed files with 137 additions and 52 deletions
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74
src/entsoe/EntsoeApi.cpp
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@@ -4,17 +4,16 @@
#include "TimeLib.h"
#include "DnbCurrParser.h"
#if defined(ESP8266)
#include <ESP8266HTTPClient.h>
#elif defined(ESP32) // ARDUINO_ARCH_ESP32
#include <HTTPClient.h>
#else
#warning "Unsupported board type"
#if defined(ESP32)
#include <esp_task_wdt.h>
#endif
EntsoeApi::EntsoeApi(RemoteDebug* Debug) {
debugger = Debug;
client.setInsecure();
https.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);
// Entso-E uses CET/CEST
TimeChangeRule CEST = {"CEST", Last, Sun, Mar, 2, 120};
TimeChangeRule CET = {"CET ", Last, Sun, Oct, 3, 60};
@@ -26,6 +25,7 @@ void EntsoeApi::setup(EntsoeConfig& config) {
this->config = new EntsoeConfig();
}
memcpy(this->config, &config, sizeof(config));
lastCurrencyFetch = 0;
}
char* EntsoeApi::getToken() {
@@ -79,7 +79,6 @@ float EntsoeApi::getValueForHour(time_t cur, uint8_t hour) {
bool EntsoeApi::loop() {
if(strlen(getToken()) == 0)
return false;
bool ret = false;
uint64_t now = millis64();
if(now < 10000) return false; // Grace period
@@ -121,15 +120,23 @@ bool EntsoeApi::loop() {
d2.Year+1970, d2.Month, d2.Day, 23, 00,
config->area, config->area);
#if defined(ESP32)
esp_task_wdt_reset();
#elif defined(ESP8266)
ESP.wdtFeed();
#endif
if(debugger->isActive(RemoteDebug::INFO)) debugger->printf("(EntsoeApi) Fetching prices for today\n");
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) url: %s\n", url);
EntsoeA44Parser* a44 = new EntsoeA44Parser();
if(retrieve(url, a44) && a44->getPoint(0) != ENTSOE_NO_VALUE) {
today = a44;
ret = true;
return true;
} else if(a44 != NULL) {
delete a44;
today = NULL;
return false;
}
}
@@ -151,23 +158,29 @@ bool EntsoeApi::loop() {
d2.Year+1970, d2.Month, d2.Day, 23, 00,
config->area, config->area);
#if defined(ESP32)
esp_task_wdt_reset();
#elif defined(ESP8266)
ESP.wdtFeed();
#endif
if(debugger->isActive(RemoteDebug::INFO)) debugger->printf("(EntsoeApi) Fetching prices for tomorrow\n");
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) url: %s\n", url);
EntsoeA44Parser* a44 = new EntsoeA44Parser();
if(retrieve(url, a44) && a44->getPoint(0) != ENTSOE_NO_VALUE) {
tomorrow = a44;
ret = true;
return true;
} else if(a44 != NULL) {
delete a44;
tomorrow = NULL;
return false;
}
}
}
return ret;
return false;
}
bool EntsoeApi::retrieve(const char* url, Stream* doc) {
WiFiClientSecure client;
#if defined(ESP8266)
// https://arduino-esp8266.readthedocs.io/en/latest/esp8266wifi/bearssl-client-secure-class.html#mfln-or-maximum-fragment-length-negotiation-saving-ram
/* Rumor has it that a client cannot request a lower max_fragment_length, so I guess thats why the following does not work.
@@ -185,13 +198,15 @@ bool EntsoeApi::retrieve(const char* url, Stream* doc) {
*/
#endif
client.setInsecure();
HTTPClient https;
https.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);
if(https.begin(client, url)) {
printD("Connection established");
#if defined(ESP32)
esp_task_wdt_reset();
#elif defined(ESP8266)
ESP.wdtFeed();
#endif
/*
#if defined(ESP8266)
if(!client.getMFLNStatus()) {
@@ -204,6 +219,13 @@ bool EntsoeApi::retrieve(const char* url, Stream* doc) {
*/
int status = https.GET();
#if defined(ESP32)
esp_task_wdt_reset();
#elif defined(ESP8266)
ESP.wdtFeed();
#endif
if(status == HTTP_CODE_OK) {
printD("Receiving data");
https.writeToStream(doc);
@@ -241,15 +263,25 @@ float EntsoeApi::getCurrencyMultiplier(const char* from, const char* to) {
uint64_t now = millis64();
if(lastCurrencyFetch == 0 || now - lastCurrencyFetch > (SECS_PER_HOUR * 1000)) {
char url[256];
snprintf(url, sizeof(url), "https://data.norges-bank.no/api/data/EXR/M.%s.%s.SP?lastNObservations=1",
from,
to
);
DnbCurrParser p;
snprintf(url, sizeof(url), "https://data.norges-bank.no/api/data/EXR/M.%s.NOK.SP?lastNObservations=1", from);
if(debugger->isActive(RemoteDebug::INFO)) debugger->printf("(EntsoeApi) Retrieving %s to NOK conversion\n", from);
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) url: %s\n", url);
if(retrieve(url, &p)) {
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) got exchange rate %.4f\n", p.getValue());
currencyMultiplier = p.getValue();
if(strncmp(to, "NOK", 3) != 0) {
snprintf(url, sizeof(url), "https://data.norges-bank.no/api/data/EXR/M.%s.NOK.SP?lastNObservations=1", to);
if(debugger->isActive(RemoteDebug::INFO)) debugger->printf("(EntsoeApi) Retrieving %s to NOK conversion\n", to);
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) url: %s\n", url);
if(retrieve(url, &p)) {
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) got exchange rate %.4f\n", p.getValue());
currencyMultiplier /= p.getValue();
}
}
}
if(debugger->isActive(RemoteDebug::DEBUG)) debugger->printf("(EntsoeApi) Resulting currency multiplier: %.4f\n", currencyMultiplier);
lastCurrencyFetch = now;
}
return currencyMultiplier;