device manager now load data.

src/main.c

@@ -28,10 +28,70 @@
 
 /*-------------------------------- INCLUDES ---------------------------------*/
 
+#include <stdlib.h>
+#include <stdio.h>
+#include <libgen.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <qlibc/qlibc.h>
+
 #include <event2/event.h>
 
 #include "rest/rest_handler.h"
 #include "broker/nats_broker.h"
+#include "devices/devices_manager.h"
+
+#define k_max_path_len 200 /* make this larger if you need to. */
+
+#define k_devices_file_path "share/domo/devices.json"
+#define k_sequences_file_path "share/domo/sequences.json"
+
+/*--------------------------------------------------------------------------*/
+
+char *get_config_path(const char *file_path)
+{
+    int length;
+    char full_path[k_max_path_len];
+    char *working_path;
+    char *last_slash;
+
+    length = readlink("/proc/self/exe", full_path, sizeof(full_path));
+
+    /* Catch some errors: */
+    if (length < 0)
+    {
+        fprintf(stderr, "Error resolving symlink /proc/self/exe.\n");
+        return NULL;
+    }
+    if (length >= k_max_path_len)
+    {
+        fprintf(stderr, "Path too long. Truncated.\n");
+        return NULL;
+    }
+
+    /* I don't know why, but the string this readlink() function 
+      * returns is appended with a '@'.
+      */
+    full_path[length] = '\0'; /* Strip '@' off the end. */
+
+    working_path = dirname(full_path);
+    last_slash = working_path != NULL ? strrchr(working_path, '/') : NULL;
+    if (last_slash != NULL)
+    {
+        full_path[(last_slash - working_path + 1)] = '\0';
+
+        strcat(full_path, file_path);
+        if (access(full_path, F_OK) != -1)
+        {
+            char *to_str = (char *) malloc(strlen(full_path) + 1);
+            to_str = strdup(full_path);
+            return to_str;
+        }
+    }
+
+    return NULL;
+}
 
 /*--------------------------------------------------------------------------*/
 
@@ -48,6 +108,8 @@ int main(int argc, char **argv)
     struct event_base *ev_base;
     restd_server_t *rest_server;
     nats_broker_t *nats_broker;
+    devices_manager_t *device_manager;
+    int ret;
 
     if (argc < 2)
     {
@@ -57,6 +119,31 @@ int main(int argc, char **argv)
 
     restd_log_level(RESTD_LOG_DEBUG);
 
+    // data.
+    device_manager = devices_manager_new();
+    if (device_manager == NULL)
+    {
+        fprintf(stderr, "Failed to create the device manager.\n");
+        return -1;
+    }
+    if (devices_manager_load(device_manager, get_config_path(k_devices_file_path)) != 0)
+    {
+        fprintf(stderr, "Failed to Load the devices.\n");
+        return -1;
+    }
+    devices_manager_save(device_manager);
+#if 0
+	/* Setup the Sequences Manager. */
+	SequencesManager the_sequences_manager(the_config_path + "/sequences.json", &the_devices_manager);
+	if (the_sequences_manager.load() != 0)
+	{
+		fprintf(stderr, "Failed to load timers.\n");
+		return -2;
+	}
+
+	the_sequences_manager.save();
+#endif
+
     /* event loop */
     ev_base = event_base_new();
     if (!ev_base)
@@ -93,5 +180,9 @@ int main(int argc, char **argv)
     nats_broker_connect(nats_broker, "foo");
 
     /* start the rest server */
-    return restd_server_start(rest_server);
+    ret = restd_server_start(rest_server);
+
+    /* Clean data. */
+
+    return ret;
 }