rtxStream.h File Reference
Input/output data stream type definitions and function prototypes. More...
#include "rtxsrc/rtxContext.h"
Go to the source code of this file.
Classes | |
| struct | OSRTSTREAM |
| The stream control block. More... | |
Defines | |
| #define | OSRTSTRMF_INPUT 0x0001 |
| #define | OSRTSTRMF_OUTPUT 0x0002 |
| #define | OSRTSTRMF_BUFFERED 0x8000 |
| #define | OSRTSTRMF_UNBUFFERED 0x4000 |
| #define | OSRTSTRMF_POSMARKED 0x2000 |
| #define | OSRTSTRMF_BUF_INPUT (OSRTSTRMF_INPUT|OSRTSTRMF_BUFFERED) |
| #define | OSRTSTRMF_BUF_OUTPUT (OSRTSTRMF_OUTPUT|OSRTSTRMF_BUFFERED) |
| #define | OSRTSTRMID_FILE 1 |
| #define | OSRTSTRMID_SOCKET 2 |
| #define | OSRTSTRMID_MEMORY 3 |
| #define | OSRTSTRMID_BUFFERED 4 |
| #define | OSRTSTRMID_DIRECTBUF 5 |
| #define | OSRTSTRMID_USER 1000 |
| #define | OSRTSTRM_K_BUFSIZE 1024 |
| #define | OSRTSTRM_K_INVALIDMARK ((size_t)-1) |
| #define | OSRTSTREAM_BYTEINDEX(pctxt) |
| #define | OSRTSTREAM_ID(pctxt) ((pctxt)->pStream->id) |
| #define | OSRTSTREAM_FLAGS(pctxt) ((pctxt)->pStream->flags) |
Typedefs | |
| typedef long(*) | OSRTStreamReadProc (struct OSRTSTREAM *pStream, OSOCTET *pbuffer, size_t bufSize) |
| Stream read function pointer type. | |
| typedef long(*) | OSRTStreamBlockingReadProc (struct OSRTSTREAM *pStream, OSOCTET *pbuffer, size_t toReadBytes) |
| Stream blockingRead function pointer type. | |
| typedef long(*) | OSRTStreamWriteProc (struct OSRTSTREAM *pStream, const OSOCTET *data, size_t numocts) |
| Stream write function pointer type. | |
| typedef int(*) | OSRTStreamFlushProc (struct OSRTSTREAM *pStream) |
| Stream flush function pointer type. | |
| typedef int(*) | OSRTStreamCloseProc (struct OSRTSTREAM *pStream) |
| Stream close function pointer type. | |
| typedef int(*) | OSRTStreamSkipProc (struct OSRTSTREAM *pStream, size_t skipBytes) |
| Stream skip function pointer type. | |
| typedef int(*) | OSRTStreamMarkProc (struct OSRTSTREAM *pStream, size_t readAheadLimit) |
| Stream mark function pointer type. | |
| typedef int(*) | OSRTStreamResetProc (struct OSRTSTREAM *pStream) |
| Stream reset function pointer type. | |
Functions | |
| int | rtxStreamClose (OSCTXT *pctxt) |
| This function closes the input or output stream and releases any system resources associated with the stream. | |
| int | rtxStreamFlush (OSCTXT *pctxt) |
| This function flushes the output stream and forces any buffered output octets to be written out. | |
| int | rtxStreamInit (OSCTXT *pctxt) |
| This function initializes a stream part of the context block. | |
| long | rtxStreamRead (OSCTXT *pctxt, OSOCTET *pbuffer, size_t bufSize) |
| This function reads up to 'bufsize' bytes of data from the input stream into an array of octets. | |
| long | rtxStreamBlockingRead (OSCTXT *pctxt, OSOCTET *pbuffer, size_t readBytes) |
| This function reads up to 'bufsize' bytes of data from the input stream into an array of octets. | |
| int | rtxStreamSkip (OSCTXT *pctxt, size_t skipBytes) |
| This function skips over and discards the specified amount of data octets from this input stream. | |
| long | rtxStreamWrite (OSCTXT *pctxt, const OSOCTET *data, size_t numocts) |
| This function writes the specified amount of octets from the specified array to the output stream. | |
| int | rtxStreamGetIOBytes (OSCTXT *pctxt, size_t *pPos) |
| This function returns the number of processed octets. | |
| int | rtxStreamMark (OSCTXT *pctxt, size_t readAheadLimit) |
| Marks the current position in this input stream. | |
| int | rtxStreamReset (OSCTXT *pctxt) |
| Repositions this stream to the position recorded by the last call to the rtxStreamMark function. | |
| OSBOOL | rtxStreamMarkSupported (OSCTXT *pctxt) |
| Tests if this input stream supports the mark and reset methods. | |
| OSBOOL | rtxStreamIsOpened (OSCTXT *pctxt) |
| Tests if this stream opened (for reading or writing). | |
| OSBOOL | rtxStreamIsReadable (OSCTXT *pctxt) |
| Tests if this stream opened for reading. | |
| OSBOOL | rtxStreamIsWritable (OSCTXT *pctxt) |
| Tests if this stream opened for writing. | |
| int | rtxStreamRelease (OSCTXT *pctxt) |
| This function releases the stream's resources. | |
Detailed Description
Input/output data stream type definitions and function prototypes.
Definition in file rtxStream.h.