Line data    Source code

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