Mercurial > luasocket

comparison src/buffer.h @ 0:4b915342e2a8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LuaSocket 2.0.2 + CMake build description.
author Eric Wing <ewing . public |-at-| gmail . com>
date Tue, 26 Aug 2008 18:40:01 -0700
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:4b915342e2a8
1 #ifndef BUF_H
2 #define BUF_H
3 /*=========================================================================*\
4 * Input/Output interface for Lua programs
5 * LuaSocket toolkit
6 *
7 * Line patterns require buffering. Reading one character at a time involves
8 * too many system calls and is very slow. This module implements the
9 * LuaSocket interface for input/output on connected objects, as seen by
10 * Lua programs.
11 *
12 * Input is buffered. Output is *not* buffered because there was no simple
13 * way of making sure the buffered output data would ever be sent.
14 *
15 * The module is built on top of the I/O abstraction defined in io.h and the
16 * timeout management is done with the timeout.h interface.
17 *
18 * RCS ID: $Id: buffer.h,v 1.12 2005/10/07 04:40:59 diego Exp $
19 \*=========================================================================*/
20 #include "lua.h"
21
22 #include "io.h"
23 #include "timeout.h"
24
25 /* buffer size in bytes */
26 #define BUF_SIZE 8192
27
28 /* buffer control structure */
29 typedef struct t_buffer_ {
30 double birthday; /* throttle support info: creation time, */
31 size_t sent, received; /* bytes sent, and bytes received */
32 p_io io; /* IO driver used for this buffer */
33 p_timeout tm; /* timeout management for this buffer */
34 size_t first, last; /* index of first and last bytes of stored data */
35 char data[BUF_SIZE]; /* storage space for buffer data */
36 } t_buffer;
37 typedef t_buffer *p_buffer;
38
39 int buffer_open(lua_State *L);
40 void buffer_init(p_buffer buf, p_io io, p_timeout tm);
41 int buffer_meth_send(lua_State *L, p_buffer buf);
42 int buffer_meth_receive(lua_State *L, p_buffer buf);
43 int buffer_meth_getstats(lua_State *L, p_buffer buf);
44 int buffer_meth_setstats(lua_State *L, p_buffer buf);
45 int buffer_isempty(p_buffer buf);
46
47 #endif /* BUF_H */