Unicode C
Unicode C
HTTP Methods - GET and DELETE
Demonstrate a method for sending HTTP requests that don't have a request body, such as for GET or DELETE requests.Chilkat Unicode C Downloads
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>
void ChilkatSample(void)
{
BOOL success;
HCkHttpW http;
const wchar_t *url;
HCkHttpResponseW resp;
int statusCode;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http = CkHttpW_Create();
// Specifiy a session log file so we can see the exact request/response
CkHttpW_putSessionLogFilename(http,L"c:/aaworkarea/sessionLog.txt");
// Perhaps add a custom header or two..
CkHttpW_SetRequestHeader(http,L"x-exz-date",L"20201012T235046Z");
CkHttpW_SetRequestHeader(http,L"x-exz-id",L"1234");
// Send a GET request to https://www.example.com/someting?param1=123¶m2=abc
url = L"https://www.example.com/someting?param1=123¶m2=abc";
resp = CkHttpResponseW_Create();
success = CkHttpW_HttpNoBody(http,L"GET",url,resp);
if (success == FALSE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
CkHttpW_Dispose(http);
CkHttpResponseW_Dispose(resp);
return;
}
// The GET request that is sent looks like this.
// The Accept and Accept-Encoding headers are automatically added by default.
// GET /someting?param1=123¶m2=abc HTTP/1.1
// Host: www.example.com
// Accept: */*
// Accept-Encoding: gzip
// x-exz-date: 20201012T235046Z
// x-exz-id: 1234
// Get the response status
statusCode = CkHttpResponseW_getStatusCode(resp);
wprintf(L"Response status: %d\n",statusCode);
// Get the response body
wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));
// -------------------------------------------------------------
// Let's say we want to send a DELETE request, and we only want to accept an application/json response,
// and we don't want gzipped responses...
// First remove the previously specified custom headers.
CkHttpW_ClearHeaders(http);
// Indicate we only accept application/json non-gzipped responses.
CkHttpW_putAccept(http,L"application/json");
CkHttpW_putAllowGzip(http,FALSE);
// Send a DELETE request to https://www.example.com/deleteSomething
url = L"https://www.example.com/deleteSomething";
success = CkHttpW_HttpNoBody(http,L"DELETE",url,resp);
if (success == FALSE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
CkHttpW_Dispose(http);
CkHttpResponseW_Dispose(resp);
return;
}
// The DELETE request that is sent looks like this.
// The empty Accept-Encoding header value means we only want non-compressed responses.
// DELETE /deleteSomething HTTP/1.1
// Host: www.example.com
// Accept: application/json
// Accept-Encoding:
// Get the response status
statusCode = CkHttpResponseW_getStatusCode(resp);
wprintf(L"Response status: %d\n",statusCode);
// Get the response body
wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));
CkHttpW_Dispose(http);
CkHttpResponseW_Dispose(resp);
}