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/**
* @file llxmlrpctransaction.h
* @brief LLXMLRPCTransaction and related class header file
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLXMLRPCTRANSACTION_H
#define LLXMLRPCTRANSACTION_H
#include <string>
typedef struct _xmlrpc_request* XMLRPC_REQUEST;
typedef struct _xmlrpc_value* XMLRPC_VALUE;
// foward decl of types from xmlrpc.h (this usage is type safe)
class LLCertificate;
class LLXMLRPCValue
// a c++ wrapper around XMLRPC_VALUE
{
public:
LLXMLRPCValue() : mV(NULL) { }
LLXMLRPCValue(XMLRPC_VALUE value) : mV(value) { }
bool isValid() const;
std::string asString() const;
int asInt() const;
bool asBool() const;
double asDouble() const;
LLXMLRPCValue operator[](const char*) const;
LLXMLRPCValue rewind();
LLXMLRPCValue next();
static LLXMLRPCValue createArray();
static LLXMLRPCValue createStruct();
void append(LLXMLRPCValue&);
void appendString(const std::string&);
void appendInt(int);
void appendBool(bool);
void appendDouble(double);
void appendValue(LLXMLRPCValue&);
void append(const char*, LLXMLRPCValue&);
void appendString(const char*, const std::string&);
void appendInt(const char*, int);
void appendBool(const char*, bool);
void appendDouble(const char*, double);
void appendValue(const char*, LLXMLRPCValue&);
void cleanup();
// only call this on the top level created value
XMLRPC_VALUE getValue() const;
private:
XMLRPC_VALUE mV;
};
class LLXMLRPCTransaction
// an asynchronous request and responses via XML-RPC
{
public:
LLXMLRPCTransaction(const std::string& uri,
XMLRPC_REQUEST request, bool useGzip = true);
// does not take ownership of the request object
// request can be freed as soon as the transaction is constructed
LLXMLRPCTransaction(const std::string& uri,
const std::string& method, LLXMLRPCValue params, bool useGzip = true);
// *does* take control of the request value, you must not free it
~LLXMLRPCTransaction();
typedef enum e_status {
StatusNotStarted,
StatusStarted,
StatusDownloading,
StatusComplete,
StatusCURLError,
StatusXMLRPCError,
StatusOtherError
} EStatus;
bool process();
// run the request a little, returns true when done
EStatus status(int* curlCode);
// return status, and extended CURL code, if code isn't null
LLSD getErrorCertData();
std::string statusMessage();
// return a message string, suitable for showing the user
std::string statusURI();
// return a URI for the user with more information
// can be empty
XMLRPC_REQUEST response();
LLXMLRPCValue responseValue();
// only valid if StatusComplete, otherwise NULL
// retains ownership of the result object, don't free it
F64 transferRate();
// only valid if StsatusComplete, otherwise 0.0
private:
class Handler;
class Impl;
Impl& impl;
};
#endif // LLXMLRPCTRANSACTION_H
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