source: icXML/icXML-devel/src/xercesc/util/NetAccessors/Curl/CurlNetAccessor.cpp @ 2722

Last change on this file since 2722 was 2722, checked in by cameron, 6 years ago

Original Xerces files with import mods for icxercesc

File size: 2.7 KB
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[2722]1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/*
19 * $Id: CurlNetAccessor.cpp 471747 2006-11-06 14:31:56Z amassari $
20 */
21
22#include <xercesc/util/XMLUniDefs.hpp>
23#include <xercesc/util/XMLUni.hpp>
24#include <icxercesc/util/XMLString.hpp>
25#include <xercesc/util/XMLExceptMsgs.hpp>
26#include <xercesc/util/NetAccessors/Curl/CurlURLInputStream.hpp>
27#include <xercesc/util/NetAccessors/Curl/CurlNetAccessor.hpp>
28
29XERCES_CPP_NAMESPACE_BEGIN
30
31const XMLCh CurlNetAccessor::fgMyName[] =
32{
33    chLatin_C, chLatin_u, chLatin_r, chLatin_l, chLatin_N, chLatin_e,
34    chLatin_t, chLatin_A, chLatin_c, chLatin_c, chLatin_e, chLatin_s,
35    chLatin_s, chLatin_o, chLatin_r, chNull
36};
37
38
39CurlNetAccessor::CurlNetAccessor()
40{
41        initCurl();
42}
43
44
45CurlNetAccessor::~CurlNetAccessor()
46{
47        cleanupCurl();
48}
49
50
51//
52// Global once-only init and cleanup of curl
53//
54// The init count used here is not thread protected; we assume
55// that creation of the CurlNetAccessor will be serialized by
56// the application. If the application is also using curl, then
57// care must be taken that curl is initialized only once, by some
58// other means, or by overloading these methods.
59//
60int CurlNetAccessor::fgCurlInitCount = 0;
61
62void
63CurlNetAccessor::initCurl()
64{
65        if (fgCurlInitCount++ == 0)
66                curl_global_init(       0
67                                                  | CURL_GLOBAL_ALL                     // Initialize all curl modules
68                                        //        | CURL_GLOBAL_WIN32           // Initialize Windows sockets first
69                                        //        | CURL_GLOBAL_SSL                     // Initialize SSL first
70                                                  );
71}
72
73
74void
75CurlNetAccessor::cleanupCurl()
76{
77        if (fgCurlInitCount > 0 && --fgCurlInitCount == 0)
78                curl_global_cleanup();
79}
80
81
82BinInputStream*
83CurlNetAccessor::makeNew(const XMLURL&  urlSource, const XMLNetHTTPInfo* httpInfo/*=0*/)
84{
85        // Just create a CurlURLInputStream
86        // We defer any checking of the url type for curl in CurlURLInputStream
87        CurlURLInputStream* retStrm =
88                new (urlSource.getMemoryManager()) CurlURLInputStream(urlSource, httpInfo);
89        return retStrm;           
90}
91
92XERCES_CPP_NAMESPACE_END
93
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