EC200U QISEND 第二次发送 postdata 返回fail

发布于 2024-11-07 17:49:48 浏览：84 订阅该版

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20241107/77782df02036247fd5d794012411f223.png)
发送http header 是ok 的，但是再发具体数据时候，报错，有谁知道什么原因吗？
```c

[17:39:56.016]发→◇web_post_test
□
[17:39:56.024]收←◆web_post_test

[17:40:09.164]收←◆[31m[E/web] connect failed, resolve address error(-1).[0m

[17:40:22.148]收←◆webclient POST request failed, response(-1) error.
msh >
msh >
[17:40:51.321]发→◇web_post_test qing test445 2
□
[17:40:51.329]收←◆web_post_test qing test445 2

[17:40:57.611]收←◆device id is test445

[17:41:04.557]收←◆gen register info ok len is

[17:41:20.821]收←◆register info is {"deviceId":"test445","devicePub":"MFkwEwYHKoZIzj0CAQYIKoEcz1UBgi0DQgAEdrBiVfxbdhieWedEcL65pWy/c4jcctAboqEdiwNTgdo56lLXeF1Rown+NakPOcoOSFAYxzuTCNJMGZ0aVD91DQ==","sign":"06YHvXlNuOr7j755uAcGE+iote40VdAaYQgdXvod3zEniwNhkIKUtsQrWSJbDKIUtZd5lQtI8ikhQfigjhEnqg=="}

[17:41:57.506]收←◆[0m[D/web] host address: 36.110.228.231 , port: 48088[0m
[D/AT] sendline: 0000-0020: 41 54 2B 51 49 4F 50 45  4E 3D 31 2C 30 2C 22 54  43 50 22 2C 22 33 36 2E  31 31 30 2E 32 32 38 2E    AT+QIOPEN=1,0,"TCP","36.110.228.
[D/AT] sendline: 0020-0040: 32 33 31 22 2C 34 38 30  38 38 2C 30 2C 31 0D 0A                                                      231",48088,0,1..
[D/AT] recvline: 0000-0020: 0D 0A                                                                                                 ..
[D/AT] recvline: 0000-0020: 4F 4B 0D 0A                                                                                           OK..

[17:41:57.837]收←◆[D/AT] recvline: 0000-0020: 0D 0A                                                                                                 ..
[D/AT] recvline: 0000-0020: 2B 51 49 4F 50 45 4E 3A  20 30 2C 30 0D 0A                                                            +QIOPEN: 0,0..

[17:42:00.554]收←◆[D/AT] sendline: 0000-0020: 41 54 2B 51 49 53 45 4E  44 3D 30 2C 31 35 37 0D  0A                                                  AT+QISEND=0,157..
[D/AT] recvline: 0000-0020: 0D 0A                                                                                                 ..
[D/AT] recvline: 0000-0020: 3E                                                                                                    >
[D/AT] sendline: 0000-0020: 50 4F 53 54 20 2F 72 65  67 69 73 74 65 72 20 48  54 54 50 2F 31 2E 31 0D  0A 43 6F 6E 74 65 6E 74    POST /register HTTP/1.1..Content
[D/AT] sendline: 0020-0040: 2D 4C 65 6E 67 74 68 3A  20 32 35 39 0D 0A 43 6F  6E 74 65 6E 74 2D 54 79  70 65 3A 20 61 70 70 6C    -Length: 259..Content-Type: appl
[D/AT] sendline: 0040-0060: 69 63 61 74 69 6F 6E 2F  6F 63 74 65 74 2D 73 74  72 65 61 6D 0D 0A 48 6F  73 74 3A 20 33 36 2E 31    ication/octet-stream..Host: 36.1
[D/AT] sendline: 0060-0080: 31 30 2E 32 32 38 2E 32  33 31 0D 0A 55 73 65 72  2D 41 67 65 6E 74 3A 20  52 54 2D 54 68 72 65 61    10.228.231..User-Agent: RT-Threa
[D/AT] sendline: 0080-00A0: 64 20 48 54 54 50 20 41  67 65 6E 74 0D 0A 41 63  63 65 70 74 3A 20 2A 2F  2A 0D 0A 0D 0A             d HTTP Agent..Accept: */*....
[D/AT] recvline: 0000-0020: 20 0D 0A                                                                                               ..
[D/AT] recvline: 0000-0020: 53 45 4E 44 20 4F 4B 0D  0A                                                                           SEND OK..
[0m[D/web] request header:[0m
[0m[D/web] POST /register HTTP/1.1[0m
[0m[D/web] Content-Length: 259[0m
[0m[D/web] Content-Type: application/octet-stream[0m
[0m[D/web] Host: 36.110.228.231[0m
[0m[D/web] User-Agent: RT-Thread HTTP Agent[0m
[0m[D/web] Accept: */*[0m

[17:42:38.713]收←◆[D/AT] recvline: 0000-0020: 0D 0A                                                                                                 ..
[D/AT] sendline: 0000-0020: 41 54 2B 51 49 53 45 4E  44 3D 30 2C 32 35 39 0D  0A                                                  AT+QISEND=0,259..
[D/AT] recvline: 0000-0020: 2B 51 49 55 52 43 3A 20  22 72 65 63 76 22 0D 0A                                                      +QIURC: "recv"..
[D/AT] recvline: 0000-0020: 45 52 52 4F 52 0D 0A                                                                                  ERROR..
[31m[E/at.clnt] execute command (AT+QISEND=0,259) failed![0m

[17:42:55.546]收←◆[D/AT] sendline: 0000-0020: 41 54 2B 51 49 43 4C 4F  53 45 3D 30 0D 0A                                                            AT+QICLOSE=0..
[D/AT] recvline: 0000-0020: 0D 0A                                                                                                 ..
[D/AT] recvline: 0000-0020: 4F 4B 0D 0A                                                                                           OK..

[17:45:17.657]收←◆[0m[D/web] response header:[0m
[0m[D/web] post handle response(-1).[0m
webclient POST request failed, response(-1) error.
gen cipher info ok
cipher info is 
```

```c
* send HTTP POST request by common request interface, it used to receive longer data */
static int webclient_post_comm(const char *uri, const void *post_data, size_t data_len)
{
    struct webclient_session* session = RT_NULL;
    unsigned char *buffer = RT_NULL;
    int index, ret = 0;
    int bytes_read, resp_status;

buffer = (unsigned char *) web_malloc(POST_RESP_BUFSZ);
    if (buffer == RT_NULL)
    {
        rt_kprintf("no memory for receive response buffer.\n");
        ret = -RT_ENOMEM;
        goto __exit;
    }

/* create webclient session and set header response size */
    session = webclient_session_create(POST_HEADER_BUFSZ);
    if (session == RT_NULL)
    {
        ret = -RT_ENOMEM;
        goto __exit;
    }

/* build header for upload */
    webclient_header_fields_add(session, "Content-Length: %d\r\n", strlen(post_data));
    webclient_header_fields_add(session, "Content-Type: application/octet-stream\r\n");

/* send POST request by default header */
    if ((resp_status = webclient_post(session, uri, post_data, data_len)) != 200)
    {
        rt_kprintf("webclient POST request failed, response(%d) error.\n", resp_status);
        ret = -RT_ERROR;
        goto __exit;
    }

rt_kprintf("webclient post response data: \n");
    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);
    }

return ret;
}
```