XrdClHttp::CurlPrefetchOpenOp Class Reference

#include <XrdClHttpOps.hh>

Inheritance diagram for XrdClHttp::CurlPrefetchOpenOp:

Collaboration diagram for XrdClHttp::CurlPrefetchOpenOp:

Public Member Functions
	CurlPrefetchOpenOp (XrdClHttp::File &file, XrdCl::ResponseHandler *handler, std::shared_ptr< XrdCl::ResponseHandler > default_handler, const std::string &url, struct timespec timeout, const std::pair< uint64_t, uint64_t > &op, char *buffer, size_t sz, XrdCl::Log *logger, CreateConnCalloutType callout, HeaderCallout *header_callout)
virtual void	Pause () override
Public Member Functions inherited from XrdClHttp::CurlReadOp
	CurlReadOp (XrdCl::ResponseHandler *handler, std::shared_ptr< XrdCl::ResponseHandler > default_handler, const std::string &url, struct timespec timeout, const std::pair< uint64_t, uint64_t > &op, char *buffer, size_t sz, XrdCl::Log *logger, CreateConnCalloutType callout, HeaderCallout *header_callout)
virtual	~CurlReadOp ()
bool	Continue (std::shared_ptr< CurlOperation > op, XrdCl::ResponseHandler *handler, char *buffer, size_t buffer_size)
bool	ContinueHandle () override
void	Fail (uint16_t errCode, uint32_t errNum, const std::string &msg) override
virtual HttpVerb	GetVerb () const override
void	ReleaseHandle () override
virtual void	SetContinueQueue (std::shared_ptr< XrdClHttp::HandlerQueue > queue) override
bool	Setup (CURL *curl, CurlWorker &) override
void	Success () override
Public Member Functions inherited from XrdClHttp::CurlOperation
	CurlOperation (const CurlOperation &)=delete
	CurlOperation (XrdCl::ResponseHandler *handler, const std::string &url, std::chrono::steady_clock::time_point expiry, XrdCl::Log *log, CreateConnCalloutType, HeaderCallout *header_callout)
	CurlOperation (XrdCl::ResponseHandler *handler, const std::string &url, struct timespec timeout, XrdCl::Log *log, CreateConnCalloutType, HeaderCallout *header_callout)
virtual	~CurlOperation ()
bool	FinishSetup (CURL *curl)
std::pair< XErrorCode, std::string >	GetCallbackError () const
CreateConnCalloutType	GetConnCalloutFunc () const
std::string	GetCurlErrorMessage () const
CURL *	GetCurlHandle () const
OpError	GetError () const
std::chrono::steady_clock::time_point	GetHeaderExpiry () const
std::chrono::steady_clock::time_point	GetOperationExpiry ()
std::unique_ptr< ResponseInfo >	GetResponseInfo ()
int	GetStatusCode () const
std::string	GetStatusMessage () const
bool	GetTriedBoker () const
const std::string &	GetUrl () const
bool	HasFailed () const
bool	HeaderTimeoutExpired (const std::chrono::steady_clock::time_point &now)
bool	IsDone () const
bool	IsPaused () const
bool	IsRedirect () const
std::unique_ptr< ResponseInfo >	MoveResponseInfo ()
bool	OperationTimeoutExpired (const std::chrono::steady_clock::time_point &now)
virtual void	OptionsDone ()
virtual RedirectAction	Redirect (std::string &target)
virtual bool	RequiresOptions () const
void	SetTriedBoker ()
bool	StartConnectionCallout (std::string &err)
std::tuple< uint64_t, std::chrono::steady_clock::duration, std::chrono::steady_clock::duration, std::chrono::steady_clock::duration >	StatisticsReset ()
bool	TransferStalled (uint64_t xfer_bytes, const std::chrono::steady_clock::time_point &now)
bool	UseConnectionCallout ()
virtual int	WaitSocket ()
virtual int	WaitSocketCallback (std::string &err)

Additional Inherited Members
Public Types inherited from XrdClHttp::CurlOperation
using	HeaderList = std::vector<std::pair<std::string, std::string>>
enum class	HttpVerb {   COPY ,   DELETE ,   HEAD ,   GET ,   MKCOL ,   OPTIONS ,   PROPFIND ,   PUT ,   Count }
enum	OpError {   ErrNone ,   ErrHeaderTimeout ,   ErrCallback ,   ErrOperationTimeout ,   ErrTransferClientStall ,   ErrTransferStall ,   ErrTransferSlow }
enum class	RedirectAction {   Fail ,   Reinvoke ,   ReinvokeAfterAllow }
Static Public Member Functions inherited from XrdClHttp::CurlOperation
static void	CleanupDnsCache ()
static int	GetDefaultSlowRateBytesSec ()
static int	GetDefaultStallTimeout ()
static const std::string	GetVerbString (HttpVerb)
static void	SetSlowRateBytesSec (int rate)
static void	SetStallTimeout (const std::chrono::steady_clock::duration &stall_interval)
static void	SetStallTimeout (int stall_interval)
Protected Member Functions inherited from XrdClHttp::CurlOperation
int	FailCallback (XErrorCode ecode, const std::string &emsg)
void	SetDone (bool has_failed)
void	SetPaused (bool paused)
void	UpdateBytes (uint64_t bytes)
Protected Attributes inherited from XrdClHttp::CurlReadOp
char *	m_buffer {nullptr}
size_t	m_buffer_size {0}
std::shared_ptr< XrdClHttp::HandlerQueue >	m_continue_queue
std::string	m_err_msg
std::pair< uint64_t, uint64_t >	m_op
uint64_t	m_written {0}
Protected Attributes inherited from XrdClHttp::CurlOperation
std::unique_ptr< CURL, void(*)(CURL *)>	m_curl
XrdCl::ResponseHandler *	m_handler {nullptr}
HeaderCallout *	m_header_callout
std::chrono::steady_clock::time_point	m_header_expiry
HeaderParser	m_headers
std::vector< std::pair< std::string, std::string > >	m_headers_list
XrdCl::Log *	m_logger
int	m_minimum_rate {m_minimum_transfer_rate}
std::chrono::steady_clock::time_point	m_operation_expiry
const std::string	m_url
Static Protected Attributes inherited from XrdClHttp::CurlOperation
static constexpr int	m_default_minimum_rate {1024 * 256}
static int	m_minimum_transfer_rate {CurlOperation::m_default_minimum_rate}

Detailed Description

Definition at line 681 of file XrdClHttpOps.hh.

Constructor & Destructor Documentation

CurlPrefetchOpenOp()

XrdClHttp::CurlPrefetchOpenOp::CurlPrefetchOpenOp ( XrdClHttp::File & file, XrdCl::ResponseHandler * handler, std::shared_ptr< XrdCl::ResponseHandler > default_handler, const std::string & url, struct timespec timeout, const std::pair< uint64_t, uint64_t > & op, char * buffer, size_t sz, XrdCl::Log * logger, CreateConnCalloutType callout, HeaderCallout * header_callout )

inline

Definition at line 683 of file XrdClHttpOps.hh.

    : CurlReadOp(handler, default_handler, url, timeout, op, buffer, sz, logger, callout, header_callout), m_file(file)
    {}

References XrdClHttp::CurlReadOp::CurlReadOp().

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Member Function Documentation

Pause()

void CurlPrefetchOpenOp::Pause ( )

overridevirtual

Reimplemented from XrdClHttp::CurlReadOp.

Definition at line 104 of file XrdClHttpOpOpen.cc.

{
    if (m_first_pause) {
        m_first_pause = false;
    } else {
        CurlReadOp::Pause();
        return;
    }
 
    // Set the various file-open properties.  Note that we only invoke Pause() if the status code
    // of the response is 200.
    char *url = nullptr;
    curl_easy_getinfo(m_curl.get(), CURLINFO_EFFECTIVE_URL, &url);
    if (url) {
        m_file.SetProperty("LastURL", url);
    }
 
    auto length = m_headers.GetContentLength();
    m_file.SetProperty("XrdClHttpPrefetchSize", std::to_string(length));
 
    if (!m_headers.GetETag().empty())
    {
        std::string etag = m_headers.GetETag();
        m_file.SetProperty("ETag", etag);
    }
    m_file.SetProperty("Cache-Control", m_headers.GetCacheControl());
 
    CurlReadOp::Pause();
}

References XrdClHttp::CurlOperation::m_curl, XrdClHttp::CurlOperation::m_headers, and XrdClHttp::CurlReadOp::Pause().

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The documentation for this class was generated from the following files:

• XrdClHttpOps.hh
• XrdClHttpOpOpen.cc