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. C

#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    const char *url;
    HCkHttpResponse resp;
    int statusCode;

    success = FALSE;

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    http = CkHttp_Create();

    //  Specifiy a session log file so we can see the exact request/response
    CkHttp_putSessionLogFilename(http,"c:/aaworkarea/sessionLog.txt");

    //  Perhaps add a custom header or two..
    CkHttp_SetRequestHeader(http,"x-exz-date","20201012T235046Z");
    CkHttp_SetRequestHeader(http,"x-exz-id","1234");

    //  Send a GET request to https://www.example.com/someting?param1=123&param2=abc
    url = "https://www.example.com/someting?param1=123&param2=abc";
    resp = CkHttpResponse_Create();
    success = CkHttp_HttpNoBody(http,"GET",url,resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpResponse_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&param2=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 = CkHttpResponse_getStatusCode(resp);
    printf("Response status: %d\n",statusCode);

    //  Get the response body
    printf("%s\n",CkHttpResponse_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.
    CkHttp_ClearHeaders(http);

    //  Indicate we only accept application/json non-gzipped responses.
    CkHttp_putAccept(http,"application/json");
    CkHttp_putAllowGzip(http,FALSE);

    //  Send a DELETE request to https://www.example.com/deleteSomething
    url = "https://www.example.com/deleteSomething";
    success = CkHttp_HttpNoBody(http,"DELETE",url,resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpResponse_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 = CkHttpResponse_getStatusCode(resp);
    printf("Response status: %d\n",statusCode);

    //  Get the response body
    printf("%s\n",CkHttpResponse_bodyStr(resp));


    CkHttp_Dispose(http);
    CkHttpResponse_Dispose(resp);

    }