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/**
* @file httpoptions.h
* @brief Public-facing declarations for the HTTPOptions class
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012-2013, 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 _LLCORE_HTTP_OPTIONS_H_
#define _LLCORE_HTTP_OPTIONS_H_
#include "httpcommon.h"
#include "_refcounted.h"
namespace LLCore
{
/// Really a struct in spirit, it provides options that
/// modify HTTP requests.
///
/// Sharing instances across requests. It's intended that
/// these be shared across requests: caller can create one
/// of these, set it up as needed and then reference it
/// repeatedly in HTTP operations. But see the Threading
/// note about references.
///
/// Threading: While this class does nothing to ensure thread
/// safety, it *is* intended to be shared between the application
/// thread and the worker thread. This means that once an instance
/// is delivered to the library in request operations, the
/// option data must not be written until all such requests
/// complete and relinquish their references.
///
/// Allocation: Refcounted, heap only. Caller of the constructor
/// is given a refcount.
///
class HttpOptions : private boost::noncopyable
{
public:
HttpOptions();
typedef boost::shared_ptr<HttpOptions> ptr_t;
virtual ~HttpOptions(); // Use release()
protected:
HttpOptions(const HttpOptions &); // Not defined
void operator=(const HttpOptions &); // Not defined
public:
// Default: false
void setWantHeaders(bool wanted);
bool getWantHeaders() const
{
return mWantHeaders;
}
// Default: 0
void setTrace(int long);
int getTrace() const
{
return mTracing;
}
// Default: 30
void setTimeout(unsigned int timeout);
unsigned int getTimeout() const
{
return mTimeout;
}
// Default: 0
void setTransferTimeout(unsigned int timeout);
unsigned int getTransferTimeout() const
{
return mTransferTimeout;
}
/// Sets the number of retries on an LLCore::HTTPRequest before the
/// request fails.
// Default: 5
void setRetries(unsigned int retries);
unsigned int getRetries() const
{
return mRetries;
}
/// Sets minimal delay before request retries. In microseconds.
/// HttpPolicy will increase delay from min to max with each retry
// Default: 1 000 000 mcs
void setMinBackoff(HttpTime delay);
HttpTime getMinBackoff() const
{
return mMinRetryBackoff;
}
/// Sets maximum delay before request retries. In microseconds.
/// HttpPolicy will increase delay from min to max with each retry
// Default: 5 000 000 mcs
void setMaxBackoff(HttpTime delay);
HttpTime getMaxBackoff() const
{
return mMaxRetryBackoff;
}
// Default: true
void setUseRetryAfter(bool use_retry);
bool getUseRetryAfter() const
{
return mUseRetryAfter;
}
/// Instructs the LLCore::HTTPRequest to follow redirects
/// Default: false
void setFollowRedirects(bool follow_redirect);
bool getFollowRedirects() const
{
return mFollowRedirects;
}
/// Instructs the LLCore::HTTPRequest to verify that the exchanged security
/// certificate is authentic.
/// Default: sDefaultVerifyPeer
void setSSLVerifyPeer(bool verify);
bool getSSLVerifyPeer() const
{
return mVerifyPeer;
}
/// Instructs the LLCore::HTTPRequest to verify that the name in the
/// security certificate matches the name of the host contacted.
/// Default: false
void setSSLVerifyHost(bool verify);
bool getSSLVerifyHost() const
{
return mVerifyHost;
}
/// Sets the time for DNS name caching in seconds. Setting this value
/// to 0 will disable name caching. Setting this value to -1 causes the
/// name cache to never time out.
/// Default: -1
void setDNSCacheTimeout(int timeout);
int getDNSCacheTimeout() const
{
return mDNSCacheTimeout;
}
/// Retrieve only the headers and status from the request. Setting this
/// to true implies setWantHeaders(true) as well.
/// Default: false
void setHeadersOnly(bool nobody);
bool getHeadersOnly() const
{
return mNoBody;
}
/// Sets default behavior for verifying that the name in the
/// security certificate matches the name of the host contacted.
/// Defaults false if not set, but should be set according to
/// viewer's initialization options and command argunments, see
/// NoVerifySSLCert
static void setDefaultSSLVerifyPeer(bool verify);
protected:
bool mWantHeaders;
int mTracing;
unsigned int mTimeout;
unsigned int mTransferTimeout;
unsigned int mRetries;
HttpTime mMinRetryBackoff;
HttpTime mMaxRetryBackoff;
bool mUseRetryAfter;
bool mFollowRedirects;
bool mVerifyPeer;
bool mVerifyHost;
int mDNSCacheTimeout;
bool mNoBody;
static bool sDefaultVerifyPeer;
}; // end class HttpOptions
} // end namespace HttpOptions
#endif // _LLCORE_HTTP_OPTIONS_H_
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