From 185663a2a65086e73b3e15821bd2fb6344ebd475 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Tue, 16 Jul 2019 01:49:11 +0800
Subject: [PATCH] add wiringpi library setup shell script
---
mqttd/main.c | 85 ++++++++++++++++++++++++++++--------------
1 files changed, 56 insertions(+), 29 deletions(-)
diff --git a/mqttd/main.c b/mqttd/main.c
index 8808585..2c99317 100644
--- a/mqttd/main.c
+++ b/mqttd/main.c
@@ -109,19 +109,20 @@
return -2;
}
- if( hal_init() < 0 )
+ if( hal_init(&ctx.hwconf) < 0 )
{
log_err("Initialise hardware failure\n");
- return -1;
+ return -3;
}
- log_nrml("HAL initialise ok\n");
-
+ else
+ {
+ log_nrml("HAL initialise ok\n");
+ }
+
install_proc_signal();
if( check_set_program_running(daemon) < 0 )
goto OUT;
-
- if( !debug )
mosquitto_lib_init();
@@ -200,22 +201,26 @@
log_nrml("Publisher connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port);
- memset(msg, 0, sizeof(msg));
- if( ds18b20_get_temperature(&temp) < 0 )
- strncpy(msg, "{ \"temp\":\"error\" }", sizeof(msg));
- else
- snprintf(msg, sizeof(msg), "{ \"temp\":\"%.2f\" }", temp);
-
- rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg)+1, msg, ctx->pubQos, retain);
- if( rv )
+ if( ctx->hwconf.ds18b20 )
{
- log_err("Publisher broadcast message '%s' failure: %d\n", msg, rv);
- }
- else
- {
- log_nrml("Publisher broadcast message '%s' ok\n", msg);
- }
+ memset(msg, 0, sizeof(msg));
+
+ if( ds18b20_get_temperature(&temp) < 0 )
+ snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"error\" }", ctx->id);
+ else
+ snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"%.2f\" }", ctx->id, temp);
+ rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg)+1, msg, ctx->pubQos, retain);
+ if( rv )
+ {
+ log_err("Publisher broadcast message '%s' failure: %d\n", msg, rv);
+ }
+ else
+ {
+ log_nrml("Publisher broadcast message '%s' ok\n", msg);
+ }
+ }
+
log_nrml("Publisher broadcast over and disconnect broker now\n", ctx->host, ctx->port);
mosquitto_disconnect(mosq);
@@ -294,12 +299,13 @@
turn_led(which, OFF);
}
-void proc_json_items(cJSON *root)
+void proc_json_items(cJSON *root, mqtt_ctx_t *ctx)
{
int i;
char *value;
cJSON *item;
cJSON *array;
+ hwconf_t *hwconf = &ctx->hwconf;
if( !root )
{
@@ -316,12 +322,12 @@
/* if item is cJSON_Object, then recursive call proc_json */
if( cJSON_Object == item->type )
{
- proc_json_items(item);
+ proc_json_items(item, ctx);
}
else if( cJSON_Array == item->type )
{
/* RGB colors led control */
- if( !strcasecmp(item->string, "led") )
+ if( hwconf->leds && !strcasecmp(item->string, "led") )
{
array = cJSON_GetArrayItem(item, 0);
if( NULL != array )
@@ -353,7 +359,7 @@
value = cJSON_Print(item);
/* light controled by relay */
- if( !strcasecmp(item->string, "light") )
+ if( hwconf->relay && !strcasecmp(item->string, "light") )
{
if( strcasestr(value, "on") )
{
@@ -368,7 +374,7 @@
}
/* buzzer */
- if( !strcasecmp(item->string, "buzzer") )
+ if( hwconf->beep && !strcasecmp(item->string, "buzzer") )
{
if( strcasestr(value, "on") )
{
@@ -388,8 +394,11 @@
void sub_message_callback(struct mosquitto *mosq, void *userdata, const struct mosquitto_message *message)
{
- cJSON *root = NULL;
- char *out;
+ mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
+
+ cJSON *root = NULL;
+ cJSON *item;
+ char *value;
if ( !message->payloadlen )
@@ -398,7 +407,7 @@
return ;
}
- log_nrml("Subscriber receive message: '%s'\n", message->payload);
+ log_dbg("Subscriber receive message: '%s'\n", message->payload);
root = cJSON_Parse(message->payload);
if( !root )
@@ -407,8 +416,26 @@
return ;
}
- proc_json_items(root);
+ item = cJSON_GetObjectItem(root, "id");
+ if( !item )
+ {
+ log_err("cJSON_Parse get ID failure: %s\n", cJSON_GetErrorPtr());
+ goto OUT;
+ }
+ value = cJSON_PrintUnformatted(item);
+ if( strcasecmp(value, ctx->id) )
+ {
+ free(value);
+ goto OUT;
+ }
+
+ free(value);
+ log_nrml("Subscriber receive message: '%s'\n", message->payload);
+
+ proc_json_items(root, ctx);
+
+OUT:
cJSON_Delete(root); /* must delete it, or it will result memory leak */
return ;
}
--
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