add new qloud-c-sdk component

components/connectivity/iot-hub-device-c-sdk/services/common/cos/sample/cos_download_sample.c

@@ -0,0 +1,98 @@
+/**
+ * @copyright
+ *
+ * Tencent is pleased to support the open source community by making IoT Hub available.
+ * Copyright(C) 2018 - 2021 THL A29 Limited, a Tencent company.All rights reserved.
+ *
+ * Licensed under the MIT License(the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://opensource.org/licenses/MIT
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @file cos_download_sample.c
+ * @brief
+ * @author fancyxu (fancyxu@tencent.com)
+ * @version 1.0
+ * @date 2021-10-27
+ *
+ * @par Change Log:
+ * <table>
+ * <tr><th>Date       <th>Version <th>Author    <th>Description
+ * <tr><td>2021-10-27 <td>1.0     <td>fancyxu   <td>first commit
+ * </table>
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "qcloud_iot_cos.h"
+
+#include "utils_log.h"
+
+// ----------------------------------------------------------------------------
+// Main
+// ----------------------------------------------------------------------------
+static int sg_main_exit = 0;
+
+#ifdef __linux__
+
+#include <signal.h>
+#include <pthread.h>
+#include <unistd.h>
+
+static void _main_exit(int sig)
+{
+    Log_e("demo exit by signal:%d\n", sig);
+    sg_main_exit = 1;
+}
+#endif
+
+int main(int argc, char **argv)
+{
+#ifdef __linux__
+    signal(SIGINT, _main_exit);
+#endif
+
+    int rc = 0;
+
+    // init log level
+    LogHandleFunc func = {0};
+
+    func.log_malloc               = HAL_Malloc;
+    func.log_free                 = HAL_Free;
+    func.log_get_current_time_str = HAL_Timer_Current;
+    func.log_printf               = HAL_Printf;
+    utils_log_init(func, LOG_LEVEL_DEBUG, 2048);
+
+    IotCosDownloadParams connect_params = {
+        .url              = "http://localhost",  // your cos url
+        .file_size        = 0,                   // your cos file size
+        .offset           = 0,
+        .is_fragmentation = false,
+        .is_https_enabled = false,
+    };
+
+    uint8_t buf[1024];
+
+    void *handle = IOT_COS_DownloadInit(&connect_params);
+    if (!handle) {
+        goto exit;
+    }
+
+    while (!IOT_COS_DownloadIsFinished(handle)) {
+        rc = IOT_COS_DownloadFetch(handle, buf, sizeof(buf), 5000);
+        if (rc < 0) {
+            break;
+        }
+    }
+    IOT_COS_DownloadDeinit(handle);
+exit:
+    utils_log_deinit();
+    return rc;
+}