Line data    Source code

       1             : /*****************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  WMS Client Driver
       5             :  * Purpose:  Implementation of Dataset and RasterBand classes for WMS
       6             :  *           and other similar services.
       7             :  * Author:   Adam Nowacki, nowak@xpam.de
       8             :  *
       9             :  ******************************************************************************
      10             :  * Copyright (c) 2007, Adam Nowacki
      11             :  *
      12             :  * SPDX-License-Identifier: MIT
      13             :  ****************************************************************************/
      14             : 
      15             : #ifndef GDALHTTP_H
      16             : #define GDALHTTP_H
      17             : 
      18             : #include "cpl_port.h"
      19             : #include "cpl_http.h"
      20             : 
      21             : struct WMSHTTPRequest
      22             : {
      23          56 :     WMSHTTPRequest()
      24          56 :         : options(nullptr), nStatus(0), pabyData(nullptr), nDataLen(0),
      25          56 :           nDataAlloc(0), m_curl_handle(nullptr), m_headers(nullptr), x(0), y(0)
      26             :     {
      27          56 :     }
      28             : 
      29             :     ~WMSHTTPRequest();
      30             : 
      31             :     /* Input */
      32             :     CPLString URL;
      33             :     // Not owned, do not release
      34             :     const char *const *options;
      35             :     CPLString Range;
      36             : 
      37             :     /* Output */
      38             :     CPLString ContentType;
      39             :     CPLString Error;
      40             : 
      41             :     int nStatus; /* 200 = success, 404 = not found, 0 = no response / error */
      42             :     GByte *pabyData;
      43             :     size_t nDataLen;
      44             :     size_t nDataAlloc;
      45             : 
      46             :     /* curl internal stuff */
      47             :     CURL *m_curl_handle;
      48             :     struct curl_slist *m_headers;
      49             :     // Which tile is being requested
      50             :     int x, y;
      51             : 
      52             :     // Space for error message, doesn't seem to be used by the multi-request
      53             :     // interface
      54             :     std::vector<char> m_curl_error;
      55             : };
      56             : 
      57             : // Not public, only for use within WMS
      58             : void WMSHTTPInitializeRequest(WMSHTTPRequest *psRequest);
      59             : CPLErr WMSHTTPFetchMulti(WMSHTTPRequest *psRequest, int nRequestCount = 1);
      60             : 
      61             : #endif /*  GDALHTTP_H */