XrdPfc::DirectResponseHandler Class Reference

#include <XrdPfcFile.hh>

Inheritance diagram for XrdPfc::DirectResponseHandler:

Collaboration diagram for XrdPfc::DirectResponseHandler:

Public Member Functions
	DirectResponseHandler (File *file, ReadRequest *rreq, int to_wait)
void	Done (int result) override
Public Member Functions inherited from XrdOucCacheIOCB
	XrdOucCacheIOCB ()
virtual	~XrdOucCacheIOCB ()

Public Attributes
int	m_bytes_read = 0
int	m_errno = 0
File *	m_file
XrdSysMutex	m_mutex
ReadRequest *	m_read_req
int	m_to_wait

Detailed Description

Definition at line 194 of file XrdPfcFile.hh.

Constructor & Destructor Documentation

DirectResponseHandler()

XrdPfc::DirectResponseHandler::DirectResponseHandler ( File * file, ReadRequest * rreq, int to_wait )

inline

Definition at line 204 of file XrdPfcFile.hh.

                                                                     :
      m_file(file), m_read_req(rreq), m_to_wait(to_wait)
   {}

References m_file, m_read_req, and m_to_wait.

Member Function Documentation

Done()

void DirectResponseHandler::Done ( int result )

overridevirtual

Handle result from a previous async operation.

Parameters

result

is result from a previous operation. Successful results are always values >= 0 while errors are negative values and are always '-errno' indicate the reason for the error.

Implements XrdOucCacheIOCB.

Definition at line 1599 of file XrdPfcFile.cc.

{
   m_mutex.Lock();
 
   int n_left = --m_to_wait;
 
   if (res < 0) {
      if (m_errno == 0) m_errno = res; // store first reported error
   } else {
      m_bytes_read += res;
   }
 
   m_mutex.UnLock();
 
   if (n_left == 0)
   {
      m_file->ProcessDirectReadFinished(m_read_req, m_bytes_read, m_errno);
      delete this;
   }
}

References m_bytes_read, m_errno, m_file, m_mutex, m_read_req, and m_to_wait.

Member Data Documentation

m_bytes_read

int XrdPfc::DirectResponseHandler::m_bytes_read = 0

Definition at line 201 of file XrdPfcFile.hh.

Referenced by Done().

m_errno

int XrdPfc::DirectResponseHandler::m_errno = 0

Definition at line 202 of file XrdPfcFile.hh.

Referenced by Done().

m_file

File* XrdPfc::DirectResponseHandler::m_file

Definition at line 198 of file XrdPfcFile.hh.

Referenced by DirectResponseHandler(), and Done().

m_mutex

XrdSysMutex XrdPfc::DirectResponseHandler::m_mutex

Definition at line 197 of file XrdPfcFile.hh.

Referenced by Done().

m_read_req

ReadRequest* XrdPfc::DirectResponseHandler::m_read_req

Definition at line 199 of file XrdPfcFile.hh.

Referenced by DirectResponseHandler(), and Done().

m_to_wait

int XrdPfc::DirectResponseHandler::m_to_wait

Definition at line 200 of file XrdPfcFile.hh.

Referenced by DirectResponseHandler(), and Done().

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

• XrdPfcFile.hh
• XrdPfcFile.cc