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Public Member Functions | List of all members
MultiplexStream Class Reference

This is a special ostream that forwards the data that is written to it to any number of other sources, for instance other ostreams, or explicitly to a disk file or to system logging utilities. More...

`#include "multiplexStream.h"`

Inheritance diagram for MultiplexStream:

## Public Member Functions
bool | add_file (Filename file)
| Adds the given file to the multiplex output.
void | add_ostream (std::ostream *out, bool delete_later=false)
| Adds the indicated generic ostream to the multiplex output.
void | add_standard_output ()
| Adds the standard output channel.
bool | add_stdio_file (FILE *file, bool close_when_done)
| Adds the given file, previously opened using the C stdio library, to the multiplex output.
void | add_system_debug ()
| Adds the system debug output the the multiplex output.
void | flush ()
| Forces out all output that hasn't yet been written.

## Detailed Description

This is a special ostream that forwards the data that is written to it to any number of other sources, for instance other ostreams, or explicitly to a disk file or to system logging utilities.

It's a very handy thing to set Notify to refer to when running in batch mode.

Definition at line 31 of file multiplexStream.h.

## Constructor & Destructor Documentation

## ◆ MultiplexStream()

MultiplexStream::MultiplexStream | ( |  | ) |
| inline

Definition at line 17 of file multiplexStream.I.

## Member Function Documentation

## ◆ add_file()

bool MultiplexStream::add_file | ( | Filename | file | ) |
| inline

Adds the given file to the multiplex output.

The file is opened in append mode with line buffering. Returns false if the file cannot be opened.

Definition at line 59 of file multiplexStream.I.

References Filename::open_append(), and Filename::set_text().

## ◆ add_ostream()

void MultiplexStream::add_ostream | ( | std::ostream * | out,
|  | bool | delete_later = false )
| inline

Adds the indicated generic ostream to the multiplex output.

The ostream will receive whatever data is sent to the pipe.

Definition at line 26 of file multiplexStream.I.

## ◆ add_standard_output()

void MultiplexStream::add_standard_output | ( |  | ) |
| inline

Adds the standard output channel.

Definition at line 48 of file multiplexStream.I.

## ◆ add_stdio_file()

bool MultiplexStream::add_stdio_file | ( | FILE * | file,
|  | bool | close_when_done )
| inline

Adds the given file, previously opened using the C stdio library, to the multiplex output.

Definition at line 37 of file multiplexStream.I.

## ◆ add_system_debug()

void MultiplexStream::add_system_debug | ( |  | ) |
| inline

Adds the system debug output the the multiplex output.

This may map to a syslog or some such os-specific output system. It may do nothing on a particular system.

Presently, this maps only to OutputDebugString() on Windows.

Definition at line 82 of file multiplexStream.I.

## ◆ flush()

void MultiplexStream::flush | ( |  | ) |
| inline

Forces out all output that hasn't yet been written.

Definition at line 91 of file multiplexStream.I.

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

- panda/src/downloader/multiplexStream.h
- panda/src/downloader/multiplexStream.I