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annotate src/buffer.h @ 0:4b915342e2a8

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LuaSocket 2.0.2 + CMake build description.
author Eric Wing <ewing . public |-at-| gmail . com>
date Tue, 26 Aug 2008 18:40:01 -0700
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4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
Eric Wing <ewing . public |-at-| gmail . com>
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1 #ifndef BUF_H
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2 #define BUF_H
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3 /*=========================================================================*\
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4 * Input/Output interface for Lua programs
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5 * LuaSocket toolkit
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6 *
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7 * Line patterns require buffering. Reading one character at a time involves
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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8 * too many system calls and is very slow. This module implements the
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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9 * LuaSocket interface for input/output on connected objects, as seen by
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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10 * Lua programs.
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11 *
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12 * Input is buffered. Output is *not* buffered because there was no simple
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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13 * way of making sure the buffered output data would ever be sent.
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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14 *
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15 * The module is built on top of the I/O abstraction defined in io.h and the
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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16 * timeout management is done with the timeout.h interface.
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17 *
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18 * RCS ID: $Id: buffer.h,v 1.12 2005/10/07 04:40:59 diego Exp $
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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19 \*=========================================================================*/
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20 #include "lua.h"
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21
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22 #include "io.h"
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23 #include "timeout.h"
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24
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25 /* buffer size in bytes */
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26 #define BUF_SIZE 8192
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27
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28 /* buffer control structure */
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29 typedef struct t_buffer_ {
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30 double birthday; /* throttle support info: creation time, */
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31 size_t sent, received; /* bytes sent, and bytes received */
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32 p_io io; /* IO driver used for this buffer */
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33 p_timeout tm; /* timeout management for this buffer */
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34 size_t first, last; /* index of first and last bytes of stored data */
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35 char data[BUF_SIZE]; /* storage space for buffer data */
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36 } t_buffer;
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37 typedef t_buffer *p_buffer;
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38
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39 int buffer_open(lua_State *L);
4b915342e2a8 LuaSocket 2.0.2 + CMake build description.
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40 void buffer_init(p_buffer buf, p_io io, p_timeout tm);
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41 int buffer_meth_send(lua_State *L, p_buffer buf);
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42 int buffer_meth_receive(lua_State *L, p_buffer buf);
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43 int buffer_meth_getstats(lua_State *L, p_buffer buf);
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44 int buffer_meth_setstats(lua_State *L, p_buffer buf);
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45 int buffer_isempty(p_buffer buf);
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46
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47 #endif /* BUF_H */