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Separated PortQueue and PortMessage into separate files.

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Added read methods to PortMessage


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3594 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
DarkWyrm
2003-06-22 17:17:40 +00:00
parent aa1480c7be
commit 21099b6971
5 changed files with 316 additions and 123 deletions
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src/kits/app/PortQueue.cpp
+1 -100
View File
@@ -25,106 +25,7 @@
//
//------------------------------------------------------------------------------
#include "PortQueue.h"
PortMessage::PortMessage(const int32 &code, const void *buffer, const ssize_t &buffersize,
const bool &copy)
{
_code=code;
SetBuffer(buffer,buffersize,copy);
}
PortMessage::PortMessage(void)
{
_code=0;
_buffer=NULL;
_buffersize=0;
}
PortMessage::~PortMessage(void)
{
if(_buffersize>0 && _buffer!=NULL)
delete _buffer;
}
status_t PortMessage::ReadFromPort(const port_id &port, const bigtime_t &timeout=B_INFINITE_TIMEOUT)
{
if(_buffersize>0 && _buffer!=NULL)
delete _buffer;
_buffer=NULL;
_buffersize=0;
if(timeout==B_INFINITE_TIMEOUT)
{
_buffersize=port_buffer_size(port);
if(_buffersize==B_BAD_PORT_ID)
return (status_t)_buffersize;
if(_buffersize>0)
_buffer=new char[_buffersize];
read_port(port, &_code, _buffer, _buffersize);
}
else
{
_buffersize=port_buffer_size_etc(port,B_TIMEOUT, timeout);
if(_buffersize==B_TIMED_OUT || _buffersize==B_BAD_PORT_ID ||
_buffersize==B_WOULD_BLOCK)
return (status_t)_buffersize;
if(_buffersize>0)
_buffer=new char[_buffersize];
read_port(port, &_code, _buffer, _buffersize);
}
return B_OK;
}
status_t PortMessage::WriteToPort(const port_id &port)
{
// Check port validity
port_info pi;
if(get_port_info(port,&pi)!=B_OK)
return B_BAD_VALUE;
write_port(port,_code, _buffer, _buffersize);
if(_buffer && _buffersize>0)
{
delete _buffer;
_buffersize=0;
_buffer=NULL;
}
return B_OK;
}
void PortMessage::SetCode(const int32 &code)
{
_code=code;
}
void PortMessage::SetBuffer(const void *buffer, const ssize_t &size, const bool &copy)
{
if(_buffersize>0 && _buffer!=NULL)
delete _buffer;
_buffer=NULL;
_buffersize=0;
if(!buffer || size<1)
return;
if(copy)
{
_buffersize=size;
_buffer=new char[_buffersize];
memcpy(_buffer,buffer,_buffersize);
}
else
{
_buffersize=size;
_buffer=(void *)buffer;
}
}
#include "PortMessage.h"
PortQueue::PortQueue(const port_id &port)
{