libdap++  Updated for version 3.8.2
HTTPConnect.h
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1 
2 // -*- mode: c++; c-basic-offset:4 -*-
3 
4 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
5 // Access Protocol.
6 
7 // Copyright (c) 2002,2003 OPeNDAP, Inc.
8 // Author: James Gallagher <jgallagher@opendap.org>
9 //
10 // This library is free software; you can redistribute it and/or
11 // modify it under the terms of the GNU Lesser General Public
12 // License as published by the Free Software Foundation; either
13 // version 2.1 of the License, or (at your option) any later version.
14 //
15 // This library is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // Lesser General Public License for more details.
19 //
20 // You should have received a copy of the GNU Lesser General Public
21 // License along with this library; if not, write to the Free Software
22 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 //
24 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
25 
26 #ifndef _httpconnect_h
27 #define _httpconnect_h
28 
29 
30 #include <string>
31 
32 #include <curl/curl.h>
33 /*#include <curl/types.h>*/
34 #include <curl/easy.h>
35 
36 #ifndef _rc_reader_h_
37 #include "RCReader.h"
38 #endif
39 
40 #ifndef _object_type_h
41 #include "ObjectType.h"
42 #endif
43 
44 #ifndef _http_cache_h
45 #include "HTTPCache.h"
46 #endif
47 
48 #ifndef http_response_h
49 #include "HTTPResponse.h"
50 #endif
51 
52 #ifndef _util_h
53 #include "util.h"
54 #endif
55 
56 using std::string;
57 using std::vector;
58 
59 namespace libdap
60 {
61 
62 extern int www_trace;
63 extern int dods_keep_temps;
64 
78 {
79 private:
80  CURL *d_curl;
81  RCReader *d_rcr;
82  HTTPCache *d_http_cache;
83 
84  char d_error_buffer[CURL_ERROR_SIZE]; // A human-readable message.
85 
86  bool d_accept_deflate;
87 
88  string d_username; // extracted from URL
89  string d_password; // extracted from URL
90  string d_upstring; // used to pass info into curl
91 
92  string d_cookie_jar;
93 
94  vector<string> d_request_headers; // Request headers
95 
96  int d_dap_client_protocol_major;
97  int d_dap_client_protocol_minor;
98 
99  void www_lib_init();
100  long read_url(const string &url, FILE *stream, vector<string> *resp_hdrs,
101  const vector<string> *headers = 0);
102  // string get_temp_file(FILE *&stream) throw(InternalErr);
103  HTTPResponse *plain_fetch_url(const string &url);
104  HTTPResponse *caching_fetch_url(const string &url);
105 
106  bool url_uses_proxy_for(const string &url) throw();
107  bool url_uses_no_proxy_for(const string &url) throw();
108 
109  void extract_auth_info(string &url);
110 
111  friend size_t save_raw_http_header(void *ptr, size_t size, size_t nmemb,
112  void *http_connect);
113  friend class HTTPConnectTest;
114  friend class ParseHeader;
115 
116 protected:
123  throw InternalErr(__FILE__, __LINE__, "Unimplemented method");
124  }
126  throw InternalErr(__FILE__, __LINE__, "Unimplemented method");
127  }
129  throw InternalErr(__FILE__, __LINE__, "Unimplemented assignment");
130  }
132 
133 public:
134  HTTPConnect(RCReader *rcr);
135 
136  virtual ~HTTPConnect();
137 
138  void set_credentials(const string &u, const string &p);
139  void set_accept_deflate(bool defalte);
140  void set_xdap_protocol(int major, int minor);
141 
148  void set_cookie_jar(const string &cookie_jar)
149  {
150  d_cookie_jar = cookie_jar;
151  }
152 
158  void set_cache_enabled(bool enabled)
159  {
160  if (d_http_cache)
161  d_http_cache->set_cache_enabled(enabled);
162  }
163 
166  {
167  return (d_http_cache) ? d_http_cache->is_cache_enabled() : false;
168  }
169 
170  HTTPResponse *fetch_url(const string &url);
171 };
172 
173 } // namespace libdap
174 
175 #endif // _httpconnect_h
void set_cache_enabled(bool mode)
Definition: HTTPCache.cc:628
void set_credentials(const string &u, const string &p)
Definition: HTTPConnect.cc:969
void set_cookie_jar(const string &cookie_jar)
Definition: HTTPConnect.h:148
void set_cache_enabled(bool enabled)
Definition: HTTPConnect.h:158
HTTPResponse * fetch_url(const string &url)
Definition: HTTPConnect.cc:567
A class for software fault reporting.
Definition: InternalErr.h:64
HTTPConnect(const HTTPConnect &)
Definition: HTTPConnect.h:125
friend size_t save_raw_http_header(void *ptr, size_t size, size_t nmemb, void *http_connect)
friend class ParseHeader
Definition: HTTPConnect.h:114
void set_accept_deflate(bool defalte)
Definition: HTTPConnect.cc:895
bool is_cache_enabled() const
Definition: HTTPCache.cc:640
void set_xdap_protocol(int major, int minor)
Definition: HTTPConnect.cc:932
virtual ~HTTPConnect()
Definition: HTTPConnect.cc:545
int dods_keep_temps
Definition: HTTPConnect.cc:76
friend class HTTPConnectTest
Definition: HTTPConnect.h:113
HTTPConnect & operator=(const HTTPConnect &)
Definition: HTTPConnect.h:128
int www_trace
Definition: HTTPConnect.cc:73