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// Copyright (c) 2009, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// A wrapper for libcurl to do HTTP Uploads, to support easy mocking
// and unit testing of the HTTPUpload class.
#ifndef COMMON_LINUX_LIBCURL_WRAPPER_H_
#define COMMON_LINUX_LIBCURL_WRAPPER_H_
#include <string>
#include <map>
#include "common/using_std_string.h"
#include "third_party/curl/curl.h"
namespace google_breakpad {
class LibcurlWrapper {
public:
LibcurlWrapper();
virtual ~LibcurlWrapper();
virtual bool Init();
virtual bool SetProxy(const string& proxy_host,
const string& proxy_userpwd);
virtual bool AddFile(const string& upload_file_path,
const string& basename);
virtual bool SendRequest(const string& url,
const std::map<string, string>& parameters,
int* http_status_code,
string* http_header_data,
string* http_response_data);
private:
// This function initializes class state corresponding to function
// pointers into the CURL library.
bool SetFunctionPointers();
bool init_ok_; // Whether init succeeded
void* curl_lib_; // Pointer to result of dlopen() on
// curl library
string last_curl_error_; // The text of the last error when
// dealing
// with CURL.
CURL *curl_; // Pointer for handle for CURL calls.
CURL* (*easy_init_)(void);
// Stateful pointers for calling into curl_formadd()
struct curl_httppost *formpost_;
struct curl_httppost *lastptr_;
struct curl_slist *headerlist_;
// Function pointers into CURL library
CURLcode (*easy_setopt_)(CURL *, CURLoption, ...);
CURLFORMcode (*formadd_)(struct curl_httppost **,
struct curl_httppost **, ...);
struct curl_slist* (*slist_append_)(struct curl_slist *, const char *);
void (*slist_free_all_)(struct curl_slist *);
CURLcode (*easy_perform_)(CURL *);
const char* (*easy_strerror_)(CURLcode);
void (*easy_cleanup_)(CURL *);
CURLcode (*easy_getinfo_)(CURL *, CURLINFO info, ...);
void (*formfree_)(struct curl_httppost *);
};
}
#endif // COMMON_LINUX_LIBCURL_WRAPPER_H_