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Merge branch 'feature/demonstrate_http_partial_download' into 'master'

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Update esp_http_client example to demonstrate partial HTTP downloads

See merge request espressif/esp-idf!11442
This commit is contained in:
Mahavir Jain
2020-12-03 19:54:41 +08:00
parent aa58297458 60749b5483
commit 1d4380853c
1 changed files with 45 additions and 0 deletions
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45
examples/protocols/esp_http_client/main/esp_http_client_example.c
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@ -629,6 +629,50 @@ static void http_native_request(void)
esp_http_client_cleanup(client);
}
static void http_partial_download(void)
{
esp_http_client_config_t config = {
.url = "http://jigsaw.w3.org/HTTP/TE/foo.txt",
.event_handler = _http_event_handler,
};
esp_http_client_handle_t client = esp_http_client_init(&config);
// Download a file excluding first 10 bytes
esp_http_client_set_header(client, "Range", "bytes=10-");
esp_err_t err = esp_http_client_perform(client);
if (err == ESP_OK) {
ESP_LOGI(TAG, "HTTP Status = %d, content_length = %d",
esp_http_client_get_status_code(client),
esp_http_client_get_content_length(client));
} else {
ESP_LOGE(TAG, "HTTP request failed: %s", esp_err_to_name(err));
}
// Download last 10 bytes of a file
esp_http_client_set_header(client, "Range", "bytes=-10");
err = esp_http_client_perform(client);
if (err == ESP_OK) {
ESP_LOGI(TAG, "HTTP Status = %d, content_length = %d",
esp_http_client_get_status_code(client),
esp_http_client_get_content_length(client));
} else {
ESP_LOGE(TAG, "HTTP request failed: %s", esp_err_to_name(err));
}
// Download 10 bytes from 11 to 20
esp_http_client_set_header(client, "Range", "bytes=11-20");
err = esp_http_client_perform(client);
if (err == ESP_OK) {
ESP_LOGI(TAG, "HTTP Status = %d, content_length = %d",
esp_http_client_get_status_code(client),
esp_http_client_get_content_length(client));
} else {
ESP_LOGE(TAG, "HTTP request failed: %s", esp_err_to_name(err));
}
esp_http_client_cleanup(client);
}
static void http_test_task(void *pvParameters)
{
http_rest_with_url();
@ -648,6 +692,7 @@ static void http_test_task(void *pvParameters)
https_async();
https_with_invalid_url();
http_native_request();
http_partial_download();
ESP_LOGI(TAG, "Finish http example");
vTaskDelete(NULL);