1 files changed, 0 insertions, 580 deletions
diff --git a/1.4.23-rc4/channels/chan_features.c b/1.4.23-rc4/channels/chan_features.c
deleted file mode 100644
index 043576623..000000000
--- a/1.4.23-rc4/channels/chan_features.c
+++ /dev/null
@@ -1,580 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief feature Proxy Channel
- *
- * \author Mark Spencer <markster@digium.com>
- *
- * \note *** Experimental code ****
- * 
- * \ingroup channel_drivers
- */
-/*** MODULEINFO
-        <defaultenabled>no</defaultenabled>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/signal.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/config.h"
-#include "asterisk/logger.h"
-#include "asterisk/module.h"
-#include "asterisk/pbx.h"
-#include "asterisk/options.h"
-#include "asterisk/lock.h"
-#include "asterisk/sched.h"
-#include "asterisk/io.h"
-#include "asterisk/rtp.h"
-#include "asterisk/acl.h"
-#include "asterisk/callerid.h"
-#include "asterisk/file.h"
-#include "asterisk/cli.h"
-#include "asterisk/app.h"
-#include "asterisk/musiconhold.h"
-#include "asterisk/manager.h"
-#include "asterisk/stringfields.h"
-
-static const char tdesc[] = "Feature Proxy Channel Driver";
-
-#define IS_OUTBOUND(a,b) (a == b->chan ? 1 : 0)
-
-struct feature_sub {
-	struct ast_channel *owner;
-	int inthreeway;
-	int pfd;
-	int timingfdbackup;
-	int alertpipebackup[2];
-};
-
-struct feature_pvt {
-	ast_mutex_t lock;			/* Channel private lock */
-	char tech[AST_MAX_EXTENSION];		/* Technology to abstract */
-	char dest[AST_MAX_EXTENSION];		/* Destination to abstract */
-	struct ast_channel *subchan;
-	struct feature_sub subs[3];		/* Subs */
-	struct ast_channel *owner;		/* Current Master Channel */
-	AST_LIST_ENTRY(feature_pvt) list;	/* Next entity */
-};
-
-static AST_LIST_HEAD_STATIC(features, feature_pvt);
-
-#define SUB_REAL	0			/* Active call */
-#define SUB_CALLWAIT	1			/* Call-Waiting call on hold */
-#define SUB_THREEWAY	2			/* Three-way call */
-
-static struct ast_channel *features_request(const char *type, int format, void *data, int *cause);
-static int features_digit_begin(struct ast_channel *ast, char digit);
-static int features_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
-static int features_call(struct ast_channel *ast, char *dest, int timeout);
-static int features_hangup(struct ast_channel *ast);
-static int features_answer(struct ast_channel *ast);
-static struct ast_frame *features_read(struct ast_channel *ast);
-static int features_write(struct ast_channel *ast, struct ast_frame *f);
-static int features_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen);
-static int features_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
-
-static const struct ast_channel_tech features_tech = {
-	.type = "Feature",
-	.description = tdesc,
-	.capabilities = -1,
-	.requester = features_request,
-	.send_digit_begin = features_digit_begin,
-	.send_digit_end = features_digit_end,
-	.call = features_call,
-	.hangup = features_hangup,
-	.answer = features_answer,
-	.read = features_read,
-	.write = features_write,
-	.exception = features_read,
-	.indicate = features_indicate,
-	.fixup = features_fixup,
-};
-
-static inline void init_sub(struct feature_sub *sub)
-{
-	sub->inthreeway = 0;
-	sub->pfd = -1;
-	sub->timingfdbackup = -1;
-	sub->alertpipebackup[0] = sub->alertpipebackup[1] = -1;
-}
-
-static inline int indexof(struct feature_pvt *p, struct ast_channel *owner, int nullok)
-{
-	int x;
-	if (!owner) {
-		ast_log(LOG_WARNING, "indexof called on NULL owner??\n");
-		return -1;
-	}
-	for (x=0; x<3; x++) {
-		if (owner == p->subs[x].owner)
-			return x;
-	}
-	return -1;
-}
-
-#if 0
-static void wakeup_sub(struct feature_pvt *p, int a)
-{
-	struct ast_frame null = { AST_FRAME_NULL, };
-	for (;;) {
-		if (p->subs[a].owner) {
-			if (ast_mutex_trylock(&p->subs[a].owner->lock)) {
-				ast_mutex_unlock(&p->lock);
-				usleep(1);
-				ast_mutex_lock(&p->lock);
-			} else {
-				ast_queue_frame(p->subs[a].owner, &null);
-				ast_mutex_unlock(&p->subs[a].owner->lock);
-				break;
-			}
-		} else
-			break;
-	}
-}
-#endif
-
-static void restore_channel(struct feature_pvt *p, int index)
-{
-	/* Restore timing/alertpipe */
-	p->subs[index].owner->timingfd = p->subs[index].timingfdbackup;
-	p->subs[index].owner->alertpipe[0] = p->subs[index].alertpipebackup[0];
-	p->subs[index].owner->alertpipe[1] = p->subs[index].alertpipebackup[1];
-	p->subs[index].owner->fds[AST_ALERT_FD] = p->subs[index].alertpipebackup[0];
-	p->subs[index].owner->fds[AST_TIMING_FD] = p->subs[index].timingfdbackup;
-}
-
-static void update_features(struct feature_pvt *p, int index)
-{
-	int x;
-	if (p->subs[index].owner) {
-		for (x=0; x<AST_MAX_FDS; x++) {
-			if (index) 
-				p->subs[index].owner->fds[x] = -1;
-			else
-				p->subs[index].owner->fds[x] = p->subchan->fds[x];
-		}
-		if (!index) {
-			/* Copy timings from master channel */
-			p->subs[index].owner->timingfd = p->subchan->timingfd;
-			p->subs[index].owner->alertpipe[0] = p->subchan->alertpipe[0];
-			p->subs[index].owner->alertpipe[1] = p->subchan->alertpipe[1];
-			if (p->subs[index].owner->nativeformats != p->subchan->readformat) {
-				p->subs[index].owner->nativeformats = p->subchan->readformat;
-				if (p->subs[index].owner->readformat)
-					ast_set_read_format(p->subs[index].owner, p->subs[index].owner->readformat);
-				if (p->subs[index].owner->writeformat)
-					ast_set_write_format(p->subs[index].owner, p->subs[index].owner->writeformat);
-			}
-		} else{
-			restore_channel(p, index);
-		}
-	}
-}
-
-#if 0
-static void swap_subs(struct feature_pvt *p, int a, int b)
-{
-	int tinthreeway;
-	struct ast_channel *towner;
-
-	ast_log(LOG_DEBUG, "Swapping %d and %d\n", a, b);
-
-	towner = p->subs[a].owner;
-	tinthreeway = p->subs[a].inthreeway;
-
-	p->subs[a].owner = p->subs[b].owner;
-	p->subs[a].inthreeway = p->subs[b].inthreeway;
-
-	p->subs[b].owner = towner;
-	p->subs[b].inthreeway = tinthreeway;
-	update_features(p,a);
-	update_features(p,b);
-	wakeup_sub(p, a);
-	wakeup_sub(p, b);
-}
-#endif
-
-static int features_answer(struct ast_channel *ast)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int res = -1;
-	int x;
-
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (!x && p->subchan)
-		res = ast_answer(p->subchan);
-	ast_mutex_unlock(&p->lock);
-	return res;
-}
-
-static struct ast_frame  *features_read(struct ast_channel *ast)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	struct ast_frame *f;
-	int x;
-	
-	f = &ast_null_frame;
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (!x && p->subchan) {
-		update_features(p, x);
-		f = ast_read(p->subchan);
-	}
-	ast_mutex_unlock(&p->lock);
-	return f;
-}
-
-static int features_write(struct ast_channel *ast, struct ast_frame *f)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int res = -1;
-	int x;
-
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (!x && p->subchan)
-		res = ast_write(p->subchan, f);
-	ast_mutex_unlock(&p->lock);
-	return res;
-}
-
-static int features_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
-{
-	struct feature_pvt *p = newchan->tech_pvt;
-	int x;
-
-	ast_mutex_lock(&p->lock);
-	if (p->owner == oldchan)
-		p->owner = newchan;
-	for (x = 0; x < 3; x++) {
-		if (p->subs[x].owner == oldchan)
-			p->subs[x].owner = newchan;
-	}
-	ast_mutex_unlock(&p->lock);
-	return 0;
-}
-
-static int features_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int res = -1;
-	int x;
-
-	/* Queue up a frame representing the indication as a control frame */
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (!x && p->subchan)
-		res = ast_indicate(p->subchan, condition);
-	ast_mutex_unlock(&p->lock);
-	return res;
-}
-
-static int features_digit_begin(struct ast_channel *ast, char digit)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int res = -1;
-	int x;
-
-	/* Queue up a frame representing the indication as a control frame */
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (!x && p->subchan)
-		res = ast_senddigit_begin(p->subchan, digit);
-	ast_mutex_unlock(&p->lock);
-
-	return res;
-}
-
-static int features_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int res = -1;
-	int x;
-
-	/* Queue up a frame representing the indication as a control frame */
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (!x && p->subchan)
-		res = ast_senddigit_end(p->subchan, digit, duration);
-	ast_mutex_unlock(&p->lock);
-	return res;
-}
-
-static int features_call(struct ast_channel *ast, char *dest, int timeout)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int res = -1;
-	int x;
-	char *dest2;
-		
-	dest2 = strchr(dest, '/');
-	if (dest2) {
-		ast_mutex_lock(&p->lock);
-		x = indexof(p, ast, 0);
-		if (!x && p->subchan) {
-			p->subchan->cid.cid_num = ast_strdup(p->owner->cid.cid_num);
-			p->subchan->cid.cid_name = ast_strdup(p->owner->cid.cid_name);
-			p->subchan->cid.cid_rdnis = ast_strdup(p->owner->cid.cid_rdnis);
-			p->subchan->cid.cid_ani = ast_strdup(p->owner->cid.cid_ani);
-		
-			p->subchan->cid.cid_pres = p->owner->cid.cid_pres;
-			ast_string_field_set(p->subchan, language, p->owner->language);
-			ast_string_field_set(p->subchan, accountcode, p->owner->accountcode);
-			p->subchan->cdrflags = p->owner->cdrflags;
-			res = ast_call(p->subchan, dest2, timeout);
-			update_features(p, x);
-		} else
-			ast_log(LOG_NOTICE, "Uhm yah, not quite there with the call waiting...\n");
-		ast_mutex_unlock(&p->lock);
-	}
-	return res;
-}
-
-static int features_hangup(struct ast_channel *ast)
-{
-	struct feature_pvt *p = ast->tech_pvt;
-	int x;
-
-	ast_mutex_lock(&p->lock);
-	x = indexof(p, ast, 0);
-	if (x > -1) {
-		restore_channel(p, x);
-		p->subs[x].owner = NULL;
-		/* XXX Re-arrange, unconference, etc XXX */
-	}
-	ast->tech_pvt = NULL;
-	
-	if (!p->subs[SUB_REAL].owner && !p->subs[SUB_CALLWAIT].owner && !p->subs[SUB_THREEWAY].owner) {
-		ast_mutex_unlock(&p->lock);
-		/* Remove from list */
-		AST_LIST_LOCK(&features);
-		AST_LIST_REMOVE(&features, p, list);
-		AST_LIST_UNLOCK(&features);
-		ast_mutex_lock(&p->lock);
-		/* And destroy */
-		if (p->subchan)
-			ast_hangup(p->subchan);
-		ast_mutex_unlock(&p->lock);
-		ast_mutex_destroy(&p->lock);
-		free(p);
-		return 0;
-	}
-	ast_mutex_unlock(&p->lock);
-	return 0;
-}
-
-static struct feature_pvt *features_alloc(char *data, int format)
-{
-	struct feature_pvt *tmp;
-	char *dest=NULL;
-	char *tech;
-	int x;
-	int status;
-	struct ast_channel *chan;
-	
-	tech = ast_strdupa(data);
-	if (tech) {
-		dest = strchr(tech, '/');
-		if (dest) {
-			*dest = '\0';
-			dest++;
-		}
-	}
-	if (!tech || !dest) {
-		ast_log(LOG_NOTICE, "Format for feature channel is Feature/Tech/Dest ('%s' not valid)!\n", 
-			data);
-		return NULL;
-	}
-	AST_LIST_LOCK(&features);
-	AST_LIST_TRAVERSE(&features, tmp, list) {
-		if (!strcasecmp(tmp->tech, tech) && !strcmp(tmp->dest, dest))
-			break;
-	}
-	AST_LIST_UNLOCK(&features);
-	if (!tmp) {
-		chan = ast_request(tech, format, dest, &status);
-		if (!chan) {
-			ast_log(LOG_NOTICE, "Unable to allocate subchannel '%s/%s'\n", tech, dest);
-			return NULL;
-		}
-		tmp = malloc(sizeof(struct feature_pvt));
-		if (tmp) {
-			memset(tmp, 0, sizeof(struct feature_pvt));
-			for (x=0;x<3;x++)
-				init_sub(tmp->subs + x);
-			ast_mutex_init(&tmp->lock);
-			ast_copy_string(tmp->tech, tech, sizeof(tmp->tech));
-			ast_copy_string(tmp->dest, dest, sizeof(tmp->dest));
-			tmp->subchan = chan;
-			AST_LIST_LOCK(&features);
-			AST_LIST_INSERT_HEAD(&features, tmp, list);
-			AST_LIST_UNLOCK(&features);
-		}
-	}
-	return tmp;
-}
-
-static struct ast_channel *features_new(struct feature_pvt *p, int state, int index)
-{
-	struct ast_channel *tmp;
-	int x,y;
-	char *b2 = 0;
-	if (!p->subchan) {
-		ast_log(LOG_WARNING, "Called upon channel with no subchan:(\n");
-		return NULL;
-	}
-	if (p->subs[index].owner) {
-		ast_log(LOG_WARNING, "Called to put index %d already there!\n", index);
-		return NULL;
-	}
-	/* figure out what you want the name to be */
-	for (x=1;x<4;x++) {
-		if (b2)
-			free(b2);
-		b2 = ast_safe_string_alloc("%s/%s-%d", p->tech, p->dest, x);
-		for (y=0;y<3;y++) {
-			if (y == index)
-				continue;
-			if (p->subs[y].owner && !strcasecmp(p->subs[y].owner->name, b2))
-				break;
-		}
-		if (y >= 3)
-			break;
-	}
-	tmp = ast_channel_alloc(0, state, 0,0, "", "", "", 0, "Feature/%s", b2);
-	/* free up the name, it was copied into the channel name */
-	if (b2)
-		free(b2);
-	if (!tmp) {
-		ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
-		return NULL;
-	}
-	tmp->tech = &features_tech;
-	tmp->writeformat = p->subchan->writeformat;
-	tmp->rawwriteformat = p->subchan->rawwriteformat;
-	tmp->readformat = p->subchan->readformat;
-	tmp->rawreadformat = p->subchan->rawreadformat;
-	tmp->nativeformats = p->subchan->readformat;
-	tmp->tech_pvt = p;
-	p->subs[index].owner = tmp;
-	if (!p->owner)
-		p->owner = tmp;
-	ast_module_ref(ast_module_info->self);
-	return tmp;
-}
-
-
-static struct ast_channel *features_request(const char *type, int format, void *data, int *cause)
-{
-	struct feature_pvt *p;
-	struct ast_channel *chan = NULL;
-
-	p = features_alloc(data, format);
-	if (p && !p->subs[SUB_REAL].owner)
-		chan = features_new(p, AST_STATE_DOWN, SUB_REAL);
-	if (chan)
-		update_features(p,SUB_REAL);
-	return chan;
-}
-
-static int features_show(int fd, int argc, char **argv)
-{
-	struct feature_pvt *p;
-
-	if (argc != 3)
-		return RESULT_SHOWUSAGE;
-
-	if (AST_LIST_EMPTY(&features)) {
-		ast_cli(fd, "No feature channels in use\n");
-		return RESULT_SUCCESS;
-	}
-
-	AST_LIST_LOCK(&features);
-	AST_LIST_TRAVERSE(&features, p, list) {
-		ast_mutex_lock(&p->lock);
-		ast_cli(fd, "%s -- %s/%s\n", p->owner ? p->owner->name : "<unowned>", p->tech, p->dest);
-		ast_mutex_unlock(&p->lock);
-	}
-	AST_LIST_UNLOCK(&features);
-	return RESULT_SUCCESS;
-}
-
-static char show_features_usage[] = 
-"Usage: feature show channels\n"
-"       Provides summary information on feature channels.\n";
-
-static struct ast_cli_entry cli_features[] = {
-	{ { "feature", "show", "channels", NULL },
-	features_show, "List status of feature channels",
-	show_features_usage },
-};
-
-static int load_module(void)
-{
-	/* Make sure we can register our sip channel type */
-	if (ast_channel_register(&features_tech)) {
-		ast_log(LOG_ERROR, "Unable to register channel class 'Feature'\n");
-		return -1;
-	}
-	ast_cli_register_multiple(cli_features, sizeof(cli_features) / sizeof(struct ast_cli_entry));
-	return 0;
-}
-
-static int unload_module(void)
-{
-	struct feature_pvt *p;
-	
-	/* First, take us out of the channel loop */
-	ast_cli_unregister_multiple(cli_features, sizeof(cli_features) / sizeof(struct ast_cli_entry));
-	ast_channel_unregister(&features_tech);
-	
-	if (!AST_LIST_LOCK(&features))
-		return -1;
-	/* Hangup all interfaces if they have an owner */
-	AST_LIST_TRAVERSE_SAFE_BEGIN(&features, p, list) {
-		if (p->owner)
-			ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
-		AST_LIST_REMOVE_CURRENT(&features, list);
-		free(p);
-	}
-	AST_LIST_TRAVERSE_SAFE_END
-	AST_LIST_UNLOCK(&features);
-	
-	return 0;
-}
-
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Feature Proxy Channel");
-