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authorSimon Robertshaw <simon@hardwired.org.uk>2013-05-04 21:26:49 (GMT)
committer Simon Robertshaw <simon@hardwired.org.uk>2013-05-04 21:26:49 (GMT)
commit66e21ce0498f623ccffcee95b1fdcbc218464caa (patch)
tree83de913847ce0b1808c46a1bdedb1c4c6c66296d /src/socket/buffer.h
parent3799d5ed86e7b508b39544cad3b3346655c804f1 (diff)
parente7b29ab9b5e037a8896c62f0473cae8d353d5114 (diff)
downloadpowder-66e21ce0498f623ccffcee95b1fdcbc218464caa.zip
powder-66e21ce0498f623ccffcee95b1fdcbc218464caa.tar.gz
Merge pull request #131 from mniip/lua
builtin luasocket
Diffstat (limited to 'src/socket/buffer.h')
-rw-r--r--src/socket/buffer.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/socket/buffer.h b/src/socket/buffer.h
new file mode 100644
index 0000000..baf93ca
--- /dev/null
+++ b/src/socket/buffer.h
@@ -0,0 +1,47 @@
+#ifndef BUF_H
+#define BUF_H
+/*=========================================================================*\
+* Input/Output interface for Lua programs
+* LuaSocket toolkit
+*
+* Line patterns require buffering. Reading one character at a time involves
+* too many system calls and is very slow. This module implements the
+* LuaSocket interface for input/output on connected objects, as seen by
+* Lua programs.
+*
+* Input is buffered. Output is *not* buffered because there was no simple
+* way of making sure the buffered output data would ever be sent.
+*
+* The module is built on top of the I/O abstraction defined in io.h and the
+* timeout management is done with the timeout.h interface.
+*
+* RCS ID: $Id: buffer.h,v 1.12 2005/10/07 04:40:59 diego Exp $
+\*=========================================================================*/
+#include "lua.h"
+
+#include "io.h"
+#include "timeout.h"
+
+/* buffer size in bytes */
+#define BUF_SIZE 8192
+
+/* buffer control structure */
+typedef struct t_buffer_ {
+ double birthday; /* throttle support info: creation time, */
+ size_t sent, received; /* bytes sent, and bytes received */
+ p_io io; /* IO driver used for this buffer */
+ p_timeout tm; /* timeout management for this buffer */
+ size_t first, last; /* index of first and last bytes of stored data */
+ char data[BUF_SIZE]; /* storage space for buffer data */
+} t_buffer;
+typedef t_buffer *p_buffer;
+
+int buffer_open(lua_State *L);
+void buffer_init(p_buffer buf, p_io io, p_timeout tm);
+int buffer_meth_send(lua_State *L, p_buffer buf);
+int buffer_meth_receive(lua_State *L, p_buffer buf);
+int buffer_meth_getstats(lua_State *L, p_buffer buf);
+int buffer_meth_setstats(lua_State *L, p_buffer buf);
+int buffer_isempty(p_buffer buf);
+
+#endif /* BUF_H */