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TAO_HTTP_Handler Class Reference

#include <HTTP_Handler.h>

Inheritance diagram for TAO_HTTP_Handler:

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Collaboration diagram for TAO_HTTP_Handler:

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List of all members.

Public Member Functions

 TAO_HTTP_Handler (void)
 Null constructor, insures that it works properly with Connector.

 TAO_HTTP_Handler (ACE_Message_Block *mb, ACE_TCHAR *filename)
 Always use this constructor to make HTTP_Handlers.

size_t byte_count (void) const
 returns the number of bytes read/written in the last operation.

virtual int open (void *=0)
 Activate this instance of the .

virtual int close (u_long flags=0)
 Close down the Blob.

 ~TAO_HTTP_Handler (void)

Protected Types

enum  { MAX_HEADER_SIZE = 2048, MTU = BUFSIZ }

Protected Member Functions

virtual int send_request (void)
virtual int receive_reply (void)

Protected Attributes

ACE_Message_Block * mb_
ACE_TCHAR * filename_
size_t bytecount_

Detailed Description

class to retrieve data via HTTP

Definition at line 41 of file HTTP_Handler.h.

Member Enumeration Documentation

anonymous enum [protected]
 

Enumeration values:
MAX_HEADER_SIZE  The handler assumes that the first 2048 bytes of a server response contains the header
MTU  set the MAX_TRANSMISSION_UNIT (MTU) = BUFSIZ as defined by OS

Definition at line 69 of file HTTP_Handler.h. 

00070   {
00071     /// The handler assumes that the first 2048 bytes of a server response
00072     /// contains the header
00073     MAX_HEADER_SIZE = 2048,
00074 
00075     /// set the MAX_TRANSMISSION_UNIT (MTU) = BUFSIZ as defined by OS
00076     MTU = BUFSIZ
00077   };

Constructor & Destructor Documentation

TAO_BEGIN_VERSIONED_NAMESPACE_DECL TAO_HTTP_Handler::TAO_HTTP_Handler (  void   ) 
 

Null constructor, insures that it works properly with Connector.

Definition at line 13 of file HTTP_Handler.cpp. 

00014 {
00015 }

TAO_HTTP_Handler::TAO_HTTP_Handler (  ACE_Message_Block *  mb,
ACE_TCHAR *  filename
) 
 

Always use this constructor to make HTTP_Handlers.

Definition at line 17 of file HTTP_Handler.cpp. 

00018                                                  :
00019   mb_ (mb),
00020   filename_ (ACE_OS::strdup (filename)),
00021   bytecount_ (0)
00022 {
00023 }

TAO_HTTP_Handler::~TAO_HTTP_Handler (  void   ) 
 

Definition at line 25 of file HTTP_Handler.cpp.

References ACE_OS::free(). 

00026 {
00027   if (this->filename_)
00028     {
00029       ACE_OS::free (this->filename_);
00030       filename_ = 0;
00031     }
00032 }

Member Function Documentation

size_t TAO_HTTP_Handler::byte_count (  void   )  const
 

returns the number of bytes read/written in the last operation.

Definition at line 65 of file HTTP_Handler.cpp.

References bytecount_.

Referenced by TAO_HTTP_Client::read(). 

00066 {
00067   return bytecount_;
00068 }

int TAO_HTTP_Handler::close (  u_long  flags = 0  )  [virtual]
 

Close down the Blob.

Reimplemented from ACE_Svc_Handler< ACE_SOCK_STREAM, ACE_NULL_SYNCH >.

Definition at line 47 of file HTTP_Handler.cpp. 

00048 {
00049   return 0;
00050 }

int TAO_HTTP_Handler::open (  void *  = 0  )  [virtual]
 

Activate this instance of the .

Reimplemented from ACE_Svc_Handler< ACE_SOCK_STREAM, ACE_NULL_SYNCH >.

Definition at line 35 of file HTTP_Handler.cpp.

References ACE_ERROR_RETURN, LM_ERROR, receive_reply(), and send_request(). 

00036 {
00037   if (this->send_request () != 0)
00038     ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "TAO_HTTP_Handler::open():send_request failed\n"), -1);
00039 
00040   if (this->receive_reply () != 0)
00041     ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "TAO_HTTP_Handler::open():receive_reply failed\n"), -1);
00042   return 0;
00043 
00044 }

int TAO_HTTP_Handler::receive_reply (  void   )  [protected, virtual]
 

Reimplemented in TAO_HTTP_Reader.

Definition at line 59 of file HTTP_Handler.cpp.

Referenced by open(). 

00060 {
00061   return -1;
00062 }

int TAO_HTTP_Handler::send_request (  void   )  [protected, virtual]
 

Reimplemented in TAO_HTTP_Reader.

Definition at line 53 of file HTTP_Handler.cpp.

Referenced by open(). 

00054 {
00055   return -1;
00056 }

Member Data Documentation

size_t TAO_HTTP_Handler::bytecount_ [protected]
 

Definition at line 68 of file HTTP_Handler.h.

Referenced by byte_count().

ACE_TCHAR* TAO_HTTP_Handler::filename_ [protected]
 

Definition at line 67 of file HTTP_Handler.h.

ACE_Message_Block* TAO_HTTP_Handler::mb_ [protected]
 

Definition at line 66 of file HTTP_Handler.h.

The documentation for this class was generated from the following files:
Generated on Sun Jan 27 13:14:46 2008 for TAO by doxygen 1.3.6