From df22be10087a70feef310edeb1ba3c2a7bf1b826 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 7 Sep 2020 13:27:34 +0200
Subject: input_gadgets: save time of last update

---
 input_gadgets.c | 16 ++++++++++++----
 input_gadgets.h |  1 +
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/input_gadgets.c b/input_gadgets.c
index b988c68..6c3544d 100644
--- a/input_gadgets.c
+++ b/input_gadgets.c
@@ -251,12 +251,14 @@ void *gadgets_watch_current_temperature(void *param)
       next_update = time(NULL) + 600;   // 10 minutes ahead
       next_dns_query = time(NULL) + 30; // 1/2 minute ahead
       memset(p->text_output, 0, MAX_TEXT_OUTPUT_LEN);
-      if (!gadgets_retrieve_current_temperature(
+      if (gadgets_retrieve_current_temperature(
         p->text_output,
         MAX_TEXT_OUTPUT_LEN-1,
         &p->double_output[0],
         &p->double_output[1]
       )) {
+        p->last_update = time(NULL);
+      } else {
         fprintf(stderr, "gadgets_retrieve_current_temperature failed\n");
         snprintf(p->text_output, MAX_TEXT_OUTPUT_LEN, "gadgets_retrieve_current_temperature failed");
         p->double_output[0] = 0;
@@ -456,10 +458,12 @@ void *gadgets_watch_weather_forecast(void *param)
       next_update = time(NULL) + 600;   // 10 minutes ahead
       next_dns_query = time(NULL) + 30; // 1/2 minute ahead
       memset(p->text_output, 0, MAX_TEXT_OUTPUT_LEN);
-      if (!gadgets_retrieve_weather_forecast(
+      if (gadgets_retrieve_weather_forecast(
         p->text_output,
         MAX_TEXT_OUTPUT_LEN-1
       )) {
+        p->last_update = time(NULL);
+      } else {
         fprintf(stderr, "gadgets_retrieve_weather_forecast failed\n");
         snprintf(p->text_output, MAX_TEXT_OUTPUT_LEN, "gadgets_retrieve_weather_forecast failed");
       }
@@ -1086,10 +1090,12 @@ void *gadgets_watch_weather_warnings(void *param)
       next_update = time(NULL) + 600;   // 10 minutes ahead
       next_dns_query = time(NULL) + 30; // 1/2 minute ahead
       memset(p->text_output, 0, MAX_TEXT_OUTPUT_LEN);
-      if (!gadgets_retrieve_weather_warnings(
+      if (gadgets_retrieve_weather_warnings(
         p->text_output,
         MAX_TEXT_OUTPUT_LEN-1
       )) {
+        p->last_update = time(NULL);
+      } else {
         fprintf(stderr, "gadgets_retrieve_weather_warnings failed\n");
         snprintf(p->text_output, MAX_TEXT_OUTPUT_LEN, "gadgets_retrieve_weather_warnings failed");
       }
@@ -1217,12 +1223,14 @@ void *gadgets_watch_humidity(void *param)
     if (((time(NULL) >= next_update) || (p->force_update)) && (!p->output_ready)) {
       next_update = time(NULL) + 600;   // 10 minutes ahead
       next_dns_query = time(NULL) + 30; // 1/2 minute ahead
-      if (!gadgets_retrieve_humidity(
+      if (gadgets_retrieve_humidity(
         p->text_output,
         MAX_TEXT_OUTPUT_LEN-1,
         &p->double_output[0],
         &p->double_output[1]
       )) {
+        p->last_update = time(NULL);
+      } else {
         fprintf(stderr, "gadgets_retrieve_humidity failed\n");
         snprintf(p->text_output, MAX_TEXT_OUTPUT_LEN, "gadgets_retrieve_humidity failed\n");
         p->double_output[0]=0;
diff --git a/input_gadgets.h b/input_gadgets.h
index 6f22056..532d55f 100644
--- a/input_gadgets.h
+++ b/input_gadgets.h
@@ -25,6 +25,7 @@ typedef struct {
   char *text_output;
   double *double_output;
   int output_ready, force_update, keep_running;
+  time_t last_update;
 } t_input_thread;
 
 void *gadgets_watch_current_temperature(void *param);
-- 
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