GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

sample/uvc_app/common/config_svc.c

@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) XMEDIA. All rights reserved.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <assert.h>
+#include <string.h>
+
+#include "config_svc.h"
+#include "iniparser.h"
+#include "log_base.h"
+
+#define CONFIG_MAX_PATH 256
+
+typedef struct {
+    char* config_file;
+} config_svc_t;
+
+static config_svc_t* __config_svc = NULL;
+
+int create_config_svc(char *config_path)
+{
+    assert(config_path != NULL);
+
+    if (__config_svc != NULL) {
+        free(__config_svc);
+    }
+
+    __config_svc = (config_svc_t*)malloc(sizeof(config_svc_t));
+    if (__config_svc == NULL) {
+        LOGE("create config svc failure\n");
+        goto ERR;
+    }
+
+    __config_svc->config_file = malloc(sizeof(char) * CONFIG_MAX_PATH);
+    if (__config_svc->config_file == NULL) {
+        LOGE("malloc config file memory failure\n");
+        goto ERR;
+    }
+
+    if (strlen(config_path) > CONFIG_MAX_PATH) {
+        LOGE("config path is too length\n");
+        goto ERR;
+    }
+
+    strcpy(__config_svc->config_file, config_path);
+
+    return 0;
+
+ERR:
+    if (__config_svc) {
+        if (__config_svc->config_file) {
+            free(__config_svc->config_file);
+        }
+
+        free(__config_svc);
+    }
+
+    __config_svc = NULL;
+
+    return -1;
+}
+
+void release_cofnig_svc()
+{
+    if (__config_svc) {
+        if (__config_svc->config_file) {
+            free(__config_svc->config_file);
+        }
+
+        free(__config_svc);
+    }
+
+    __config_svc = NULL;
+}
+
+int get_config_value(const char *key, int default_value)
+{
+    dictionary *config_dic;
+    int value = default_value;
+
+    assert(key != NULL);
+    assert(__config_svc != NULL);
+
+    config_dic = iniparser_load(__config_svc->config_file);
+
+    if (config_dic == NULL) {
+        LOGE("open config file failuer[%s], returen default value:%d\n", __config_svc->config_file, default_value);
+        return value;
+    }
+
+    value = iniparser_getint(config_dic, key, default_value);
+    iniparser_freedict(config_dic);
+
+    return value;
+}
+
+int get_config_string(const char *key, char *buf, int size)
+{
+    dictionary *config_dic;
+    int copy_size;
+    int ret = -1;
+    char* value = NULL;
+
+    assert(key != NULL);
+    assert(buf != NULL);
+    assert(__config_svc != NULL);
+
+    config_dic = iniparser_load(__config_svc->config_file);
+    if (config_dic == NULL) {
+        LOGE("open config file failuer[%s], returen NULL\n", __config_svc->config_file);
+        return ret;
+    }
+
+    value = iniparser_getstring(config_dic, key, NULL);
+    if (value != NULL) {
+        copy_size = strlen(value);
+        if (copy_size <= size) {
+            memcpy(buf, value, copy_size);
+            ret = 0;
+        } else {
+            LOGE("buffer is small too get %s.\n", key);
+        }
+    } else {
+        LOGD("getstring (%s) fail.\n", key);
+    }
+
+    iniparser_freedict(config_dic);
+
+    return ret;
+}