【添加】webclient GET/POST 示例代码。

samples/webclient_get_sample.c

@@ -0,0 +1,146 @@
+/*
+ *  File      : webclient_get_sample.c
+ *  COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-08-03    chenyong      the first version
+ */
+
+#include <rtthread.h>
+#include <webclient.h>
+
+#define GET_RESP_BUFSZ                 1024
+#define GET_HEADER_BUFSZ               1024
+
+#define GET_LOCAL_URI                  "http://www.rt-thread.com/service/rt-thread.txt"
+
+int webclient_get_test(int argc, char **argv)
+{
+    struct webclient_session* session = RT_NULL;
+    unsigned char *buffer = RT_NULL;
+    char *URI = RT_NULL;
+    int index, ret = 0;
+    int bytes_read;
+
+    if (argc == 1)
+    {
+        URI = web_strdup(GET_LOCAL_URI);
+    }
+    else if (argc == 2)
+    {
+        URI = web_strdup(argv[1]);
+    }
+    else
+    {
+        LOG_E("webclient_get_test [URI]  - webclient GET request test.");
+        return -1;
+    }
+
+    buffer = (unsigned char *) web_malloc(GET_RESP_BUFSZ);
+    if (buffer == RT_NULL)
+    {
+        LOG_E("no memory for receive buffer.");
+        ret = -RT_ENOMEM;
+        goto __exit;
+
+    }
+
+    /* create webclient session and set header response size */
+    session = webclient_session_create(GET_HEADER_BUFSZ, GET_RESP_BUFSZ);
+    if (session == RT_NULL)
+    {
+        ret = -RT_ENOMEM;
+        goto __exit;
+    }
+
+    /* send GET request by default header */
+    if (webclient_get(session, URI, NULL) != 200)
+    {
+        LOG_E("webclient GET request failed, response(%d) error.", session->response);
+        ret = -RT_ERROR;
+        goto __exit;
+    }
+
+    LOG_I("webclient GET request response data :");
+
+    if (session->content_length < 0)
+    {
+        LOG_D("The webclient GET request type is chunked.");
+        do
+        {
+            bytes_read = webclient_read(session, buffer, GET_RESP_BUFSZ);
+            if (bytes_read <= 0)
+            {
+                break;
+            }
+
+            for (index = 0; index < bytes_read; index++)
+            {
+                rt_kprintf("%c", buffer[index]);
+            }
+        } while (1);
+
+        rt_kprintf("\n");
+    }
+    else
+    {
+        int content_pos = 0;
+        int content_length = session->content_length;
+
+        do
+        {
+            bytes_read = webclient_read(session, buffer, GET_RESP_BUFSZ);
+            if (bytes_read <= 0)
+            {
+                break;
+            }
+
+            for (index = 0; index < bytes_read; index++)
+            {
+                rt_kprintf("%c", buffer[index]);
+            }
+
+            content_pos += bytes_read;
+        } while (content_pos < content_length);
+
+        rt_kprintf("\n");
+    }
+
+__exit:
+    if (session)
+    {
+        webclient_close(session);
+    }
+
+    if (buffer)
+    {
+        web_free(buffer);
+    }
+
+    if (URI)
+    {
+        web_free(URI);
+    }
+
+    return ret;
+}
+
+#ifdef FINSH_USING_MSH
+#include <finsh.h>
+MSH_CMD_EXPORT_ALIAS(webclient_get_test, web_get_test, web_get_test [URI]  - webclient GET request test.);
+#endif /* FINSH_USING_MSH */

samples/webclient_post_sample.c

@@ -0,0 +1,141 @@
+/*
+ *  File      : webclient_post_sample.c
+ *  COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-08-03    chenyong      the first version
+ */
+
+#include <string.h>
+
+#include <rtthread.h>
+#include <webclient.h>
+
+#define POST_RESP_BUFSZ                1024
+#define POST_HEADER_BUFSZ              1024
+
+#define POST_LOCAL_URI                 "http://www.rt-thread.com/service/echo"
+
+const char *post_data = "RT-Thread is an open source IoT operating system from China!";
+
+int webclient_post_test(int argc, char **argv)
+{
+    struct webclient_session* session = RT_NULL;
+    unsigned char *buffer = RT_NULL;
+    char *header = RT_NULL;
+    char *URI = RT_NULL;
+    int index, ret = 0;
+    int bytes_read;
+
+    if (argc == 1)
+    {
+        URI = web_strdup(POST_LOCAL_URI);
+    }
+    else if (argc == 2)
+    {
+        URI = web_strdup(argv[1]);
+    }
+    else
+    {
+        LOG_E("webclient_post_test [URI]  - webclient POST request test.");
+        return -1;
+    }
+
+    header = (char *) web_malloc(POST_HEADER_BUFSZ);
+    if (header == RT_NULL)
+    {
+        LOG_E("no memory for header data.");
+        ret = -RT_ENOMEM;
+        goto __exit;
+
+    }
+
+    buffer = (unsigned char *) web_malloc(POST_RESP_BUFSZ);
+    if (buffer == RT_NULL)
+    {
+        LOG_E("no memory for receive response buffer.");
+        ret = -RT_ENOMEM;
+        goto __exit;
+
+    }
+
+    /* build header for upload */
+    rt_snprintf(header, POST_HEADER_BUFSZ, "Content-Length: %d\r\n", strlen(post_data));
+    rt_snprintf(header, POST_HEADER_BUFSZ, "%sContent-Type: application/octet-stream\r\n", header);
+
+    /* create webclient session and set header response size */
+    session = webclient_session_create(POST_HEADER_BUFSZ, POST_RESP_BUFSZ);
+    if (session == RT_NULL)
+    {
+        ret = -RT_ENOMEM;
+        goto __exit;
+    }
+
+    /* send POST request by default header */
+    if (webclient_post(session, URI, header, post_data) != 200)
+    {
+        LOG_E("webclient POST request failed, response(%d) error.", session->response);
+        ret = -RT_ERROR;
+        goto __exit;
+    }
+
+    LOG_I("webclient POST request response data :");
+    do
+    {
+        bytes_read = webclient_read(session, buffer, POST_RESP_BUFSZ);
+        if (bytes_read <= 0)
+        {
+            break;
+        }
+
+        for (index = 0; index < bytes_read; index++)
+        {
+            rt_kprintf("%c", buffer[index]);
+        }
+    } while (1);
+
+    rt_kprintf("\n");
+
+__exit:
+    if (session)
+    {
+        webclient_close(session);
+    }
+
+    if (buffer)
+    {
+        web_free(buffer);
+    }
+
+    if (header)
+    {
+        web_free(header);
+    }
+
+    if (URI)
+    {
+        web_free(URI);
+    }
+
+    return ret;
+}
+
+#ifdef FINSH_USING_MSH
+#include <finsh.h>
+MSH_CMD_EXPORT_ALIAS(webclient_post_test, web_post_test, webclient_post_test [URI]  - webclient POST request test.);
+#endif /* FINSH_USING_MSH */