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f5e13431a5
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1128 65c4cc65-6c06-0410-ace0-fbb531ad65f3
99 lines
3.4 KiB
C
Executable File
99 lines
3.4 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Private channel definitions for channel implementations only.
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*
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* Copyright (C) 1999, Mark Spencer
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*
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* Mark Spencer <markster@linux-support.net>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#ifndef _ASTERISK_CHANNEL_PVT_H
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#define _ASTERISK_CHANNEL_PVT_H
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#include <asterisk/channel.h>
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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struct ast_channel_pvt {
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/*! Private data used by channel backend */
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void *pvt;
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struct ast_frame *readq;
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int alertpipe[2];
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/*! Write translation path */
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struct ast_trans_pvt *writetrans;
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/*! Read translation path */
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struct ast_trans_pvt *readtrans;
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/*! Raw read format */
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int rawreadformat;
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/*! Raw write format */
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int rawwriteformat;
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/*! Send a literal DTMF digit */
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int (*send_digit)(struct ast_channel *chan, char digit);
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/*! Call a given phone number (address, etc), but don't
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take longer than timeout seconds to do so. */
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int (*call)(struct ast_channel *chan, char *addr, int timeout);
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/*! Hangup (and possibly destroy) the channel */
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int (*hangup)(struct ast_channel *chan);
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/*! Answer the line */
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int (*answer)(struct ast_channel *chan);
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/*! Read a frame, in standard format */
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struct ast_frame * (*read)(struct ast_channel *chan);
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/*! Write a frame, in standard format */
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int (*write)(struct ast_channel *chan, struct ast_frame *frame);
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/*! Display or transmit text */
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int (*send_text)(struct ast_channel *chan, char *text);
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/*! Display or send an image */
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int (*send_image)(struct ast_channel *chan, struct ast_frame *frame);
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/*! Send HTML data */
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int (*send_html)(struct ast_channel *chan, int subclass, char *data, int len);
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/*! Handle an exception, reading a frame */
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struct ast_frame * (*exception)(struct ast_channel *chan);
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/*! Bridge two channels of the same type together */
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int (*bridge)(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc);
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/*! Indicate a particular condition (e.g. AST_CONTROL_BUSY or AST_CONTROL_RINGING or AST_CONTROL_CONGESTION */
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int (*indicate)(struct ast_channel *c, int condition);
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/*! Fix up a channel: If a channel is consumed, this is called. Basically update any ->owner links */
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int (*fixup)(struct ast_channel *oldchan, struct ast_channel *newchan);
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/*! Set a given option */
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int (*setoption)(struct ast_channel *chan, int option, void *data, int datalen);
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/*! Query a given option */
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int (*queryoption)(struct ast_channel *chan, int option, void *data, int *datalen);
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/*! Blind transfer other side */
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int (*transfer)(struct ast_channel *chan, char *newdest);
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/*! Write a frame, in standard format */
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int (*write_video)(struct ast_channel *chan, struct ast_frame *frame);
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};
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//! Create a channel structure
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/*! Returns NULL on failure to allocate */
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struct ast_channel *ast_channel_alloc(int needalertpipe);
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/*! Queue an outgoing frame, locking if necessary */
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int ast_queue_frame(struct ast_channel *chan, struct ast_frame *f, int lock);
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int ast_queue_hangup(struct ast_channel *chan, int lock);
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int ast_queue_control(struct ast_channel *chan, int control, int lock);
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/*! Change the state of a channel */
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int ast_setstate(struct ast_channel *chan, int state);
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void ast_change_name(struct ast_channel *chan, char *newname);
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//! Free a channel structure
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void ast_channel_free(struct ast_channel *);
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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