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 * $Id$
20 */
21
22 #include <xercesc/util/XMLUniDefs.hpp>
23 #include <xercesc/util/XMLUni.hpp>
24 #include <xercesc/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
29 XERCES_CPP_NAMESPACE_BEGIN
30
31 const 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
CurlNetAccessor()39 CurlNetAccessor::CurlNetAccessor()
40 {
41 initCurl();
42 }
43
44
~CurlNetAccessor()45 CurlNetAccessor::~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 //
60 int CurlNetAccessor::fgCurlInitCount = 0;
61
62 void
initCurl()63 CurlNetAccessor::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
74 void
cleanupCurl()75 CurlNetAccessor::cleanupCurl()
76 {
77 if (fgCurlInitCount > 0 && --fgCurlInitCount == 0)
78 curl_global_cleanup();
79 }
80
81
82 BinInputStream*
makeNew(const XMLURL & urlSource,const XMLNetHTTPInfo * httpInfo)83 CurlNetAccessor::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
92 XERCES_CPP_NAMESPACE_END
93
94