Add restart interval config

1 files changed, 10 insertions, 2 deletions

diff --git a/lora_pkt_fwd/src/lora_pkt_fwd.c b/lora_pkt_fwd/src/lora_pkt_fwd.c
index d59b59e..da65907 100644
--- a/lora_pkt_fwd/src/lora_pkt_fwd.c
+++ b/lora_pkt_fwd/src/lora_pkt_fwd.c
@@ -177,6 +177,7 @@ static uint32_t duty_cycle_period = 3600; // seconds in one hour
 static double duty_cycle_ratio = 0.10; // 10%
 static uint32_t duty_cycle_time_max = 3600 * 0.10 * 1000u; // max time-on-air in window
 
+static uint32_t restart_interval_minutes = 10 * 60;
 static int max_tx_power = -99;  // limit tx power sent from a network server
 
 /* statistics collection configuration variables */
@@ -704,6 +705,7 @@ static int parse_SX1301_configuration(const char * conf_file) {
         MSG("WARNING: Data type for clksrc seems wrong, please check\n");
         boardconf.clksrc = 0;
     }
+
     MSG("INFO: lorawan_public %d, clksrc %d\n", boardconf.lorawan_public, boardconf.clksrc);
     /* all parameters parsed, submitting configuration to the HAL */
     if (lgw_board_setconf(boardconf) != LGW_HAL_SUCCESS) {
@@ -1194,6 +1196,13 @@ static int parse_gateway_configuration(const char * conf_file) {
         MSG("INFO: statistics display interval is configured to %u seconds\n", stat_interval);
     }
 
+    /* get interval (in minutes) for periodic restart (optional) */
+    val = json_object_get_value(conf_obj, "restart_interval");
+    if (val != NULL) {
+        restart_interval_minutes = (unsigned)json_value_get_number(val);
+    }
+    MSG("INFO: restart interval is configured to %u minutes\n", restart_interval_minutes);
+
     /* get time-out value (in ms) for upstream datagrams (optional) */
     val = json_object_get_value(conf_obj, "push_timeout_ms");
     if (val != NULL) {
@@ -1201,7 +1210,6 @@ static int parse_gateway_configuration(const char * conf_file) {
         MSG("INFO: upstream PUSH_DATA time-out is configured to %u ms\n", (unsigned)(push_timeout_half.tv_usec / 500));
     }
 
-
     /* duty-cycle limiting */
     val = json_object_get_value(conf_obj, "duty_cycle_enabled");
     if (json_value_get_type(val) == JSONBoolean) {
@@ -2013,7 +2021,7 @@ int main(int argc, char** argv)
 
         clock_gettime(CLOCK_MONOTONIC, &check_time);
 
-        if ((int)(difftimespec(check_time, start_time)) > (10 * 60 * 60)) { // allow forwarder to run a maximum of 10 hours before forcing a restart
+        if (restart_interval_minutes > 0 && (int)(difftimespec(check_time, start_time)) > (restart_interval_minutes * 60)) { // forcing a periodic restart
             MSG("INFO: periodic restart, process is exiting.\n");
             exit(1);
         }