void ast_bridge_channel_update_linkedids(struct ast_bridge_channel *bridge_channel, struct ast_bridge_channel *swap)
{
- struct ast_bridge_channel *other = NULL;
+ struct ast_bridge_channel *other;
struct ast_bridge *bridge = bridge_channel->bridge;
struct ast_channel *oldest_linkedid_chan = bridge_channel->chan;
}
ast_channel_lock(bridge_channel->chan);
- ast_channel_internal_copy_linkedid(bridge_channel->chan,
- oldest_linkedid_chan);
+ ast_channel_internal_copy_linkedid(bridge_channel->chan, oldest_linkedid_chan);
ast_channel_unlock(bridge_channel->chan);
AST_LIST_TRAVERSE(&bridge->channels, other, entry) {
if (other == swap) {
continue;
}
ast_channel_lock(other->chan);
- ast_channel_internal_copy_linkedid(other->chan,
- oldest_linkedid_chan);
+ ast_channel_internal_copy_linkedid(other->chan, oldest_linkedid_chan);
ast_channel_unlock(other->chan);
}
}
-void ast_bridge_channel_update_accountcodes(struct ast_bridge_channel *bridge_channel, struct ast_bridge_channel *swap)
+/*!
+ * \internal
+ * \brief Set dest's empty peeraccount with the src's non-empty accountcode.
+ * \since 12.5.0
+ *
+ * \param dest Channel to update peeraccount.
+ * \param src Channel to get accountcode from.
+ *
+ * \note Both channels are already locked.
+ *
+ * \return Nothing
+ */
+static void channel_fill_empty_peeraccount(struct ast_channel *dest, struct ast_channel *src)
{
- struct ast_bridge *bridge = bridge_channel->bridge;
- struct ast_bridge_channel *other = NULL;
+ if (ast_strlen_zero(ast_channel_peeraccount(dest))
+ && !ast_strlen_zero(ast_channel_accountcode(src))) {
+ ast_debug(1, "Setting channel %s peeraccount with channel %s accountcode '%s'.\n",
+ ast_channel_name(dest),
+ ast_channel_name(src), ast_channel_accountcode(src));
+ ast_channel_peeraccount_set(dest, ast_channel_accountcode(src));
+ }
+}
+
+/*!
+ * \internal
+ * \brief Set dest's empty accountcode with the src's non-empty peeraccount.
+ * \since 12.5.0
+ *
+ * \param dest Channel to update accountcode.
+ * \param src Channel to get peeraccount from.
+ *
+ * \note Both channels are already locked.
+ *
+ * \return Nothing
+ */
+static void channel_fill_empty_accountcode(struct ast_channel *dest, struct ast_channel *src)
+{
+ if (ast_strlen_zero(ast_channel_accountcode(dest))
+ && !ast_strlen_zero(ast_channel_peeraccount(src))) {
+ ast_debug(1, "Setting channel %s accountcode with channel %s peeraccount '%s'.\n",
+ ast_channel_name(dest),
+ ast_channel_name(src), ast_channel_peeraccount(src));
+ ast_channel_accountcode_set(dest, ast_channel_peeraccount(src));
+ }
+}
+
+/*!
+ * \internal
+ * \brief Set empty peeraccount and accountcode in a channel from the other channel.
+ * \since 12.5.0
+ *
+ * \param c0 First bridge channel to update.
+ * \param c1 Second bridge channel to update.
+ *
+ * \note Both channels are already locked.
+ *
+ * \return Nothing
+ */
+static void channel_set_empty_accountcodes(struct ast_channel *c0, struct ast_channel *c1)
+{
+ /* Set empty peeraccount from the other channel's accountcode. */
+ channel_fill_empty_peeraccount(c0, c1);
+ channel_fill_empty_peeraccount(c1, c0);
+
+ /* Set empty accountcode from the other channel's peeraccount. */
+ channel_fill_empty_accountcode(c0, c1);
+ channel_fill_empty_accountcode(c1, c0);
+}
+
+/*!
+ * \internal
+ * \brief Update dest's peeraccount with the src's different accountcode.
+ * \since 12.5.0
+ *
+ * \param dest Channel to update peeraccount.
+ * \param src Channel to get accountcode from.
+ *
+ * \note Both channels are already locked.
+ *
+ * \return Nothing
+ */
+static void channel_update_peeraccount(struct ast_channel *dest, struct ast_channel *src)
+{
+ if (strcmp(ast_channel_accountcode(src), ast_channel_peeraccount(dest))) {
+ ast_debug(1, "Changing channel %s peeraccount '%s' to match channel %s accountcode '%s'.\n",
+ ast_channel_name(dest), ast_channel_peeraccount(dest),
+ ast_channel_name(src), ast_channel_accountcode(src));
+ ast_channel_peeraccount_set(dest, ast_channel_accountcode(src));
+ }
+}
+
+/*!
+ * \internal
+ * \brief Update peeraccounts to match the other channel's accountcode.
+ * \since 12.5.0
+ *
+ * \param c0 First channel to update.
+ * \param c1 Second channel to update.
+ *
+ * \note Both channels are already locked.
+ *
+ * \return Nothing
+ */
+static void channel_update_peeraccounts(struct ast_channel *c0, struct ast_channel *c1)
+{
+ channel_update_peeraccount(c0, c1);
+ channel_update_peeraccount(c1, c0);
+}
+
+/*!
+ * \internal
+ * \brief Update channel accountcodes because a channel is joining a bridge.
+ * \since 12.5.0
+ *
+ * \param joining Channel joining the bridge.
+ * \param swap Channel being replaced by the joining channel. May be NULL.
+ *
+ * \note The bridge must be locked prior to calling this function.
+ *
+ * \return Nothing
+ */
+static void bridge_channel_update_accountcodes_joining(struct ast_bridge_channel *joining, struct ast_bridge_channel *swap)
+{
+ struct ast_bridge *bridge = joining->bridge;
+ struct ast_bridge_channel *other;
+ unsigned int swap_in_bridge = 0;
+ unsigned int will_be_two_party;
+
+ /*
+ * Only update the peeraccount to match if the joining channel
+ * will make it a two party bridge.
+ */
+ if (bridge->num_channels <= 2 && swap) {
+ AST_LIST_TRAVERSE(&bridge->channels, other, entry) {
+ if (other == swap) {
+ swap_in_bridge = 1;
+ break;
+ }
+ }
+ }
+ will_be_two_party = (1 == bridge->num_channels - swap_in_bridge);
AST_LIST_TRAVERSE(&bridge->channels, other, entry) {
if (other == swap) {
continue;
}
- ast_channel_lock_both(bridge_channel->chan, other->chan);
-
- if (!ast_strlen_zero(ast_channel_accountcode(bridge_channel->chan)) && ast_strlen_zero(ast_channel_peeraccount(other->chan))) {
- ast_debug(1, "Setting peeraccount to %s for %s from data on channel %s\n",
- ast_channel_accountcode(bridge_channel->chan), ast_channel_name(other->chan), ast_channel_name(bridge_channel->chan));
- ast_channel_peeraccount_set(other->chan, ast_channel_accountcode(bridge_channel->chan));
- }
- if (!ast_strlen_zero(ast_channel_accountcode(other->chan)) && ast_strlen_zero(ast_channel_peeraccount(bridge_channel->chan))) {
- ast_debug(1, "Setting peeraccount to %s for %s from data on channel %s\n",
- ast_channel_accountcode(other->chan), ast_channel_name(bridge_channel->chan), ast_channel_name(other->chan));
- ast_channel_peeraccount_set(bridge_channel->chan, ast_channel_accountcode(other->chan));
- }
- if (!ast_strlen_zero(ast_channel_peeraccount(bridge_channel->chan)) && ast_strlen_zero(ast_channel_accountcode(other->chan))) {
- ast_debug(1, "Setting accountcode to %s for %s from data on channel %s\n",
- ast_channel_peeraccount(bridge_channel->chan), ast_channel_name(other->chan), ast_channel_name(bridge_channel->chan));
- ast_channel_accountcode_set(other->chan, ast_channel_peeraccount(bridge_channel->chan));
+ ast_assert(joining != other);
+ ast_channel_lock_both(joining->chan, other->chan);
+ channel_set_empty_accountcodes(joining->chan, other->chan);
+ if (will_be_two_party) {
+ channel_update_peeraccounts(joining->chan, other->chan);
}
- if (!ast_strlen_zero(ast_channel_peeraccount(other->chan)) && ast_strlen_zero(ast_channel_accountcode(bridge_channel->chan))) {
- ast_debug(1, "Setting accountcode to %s for %s from data on channel %s\n",
- ast_channel_peeraccount(other->chan), ast_channel_name(bridge_channel->chan), ast_channel_name(other->chan));
- ast_channel_accountcode_set(bridge_channel->chan, ast_channel_peeraccount(other->chan));
- }
- if (bridge->num_channels == 2) {
- if (strcmp(ast_channel_accountcode(bridge_channel->chan), ast_channel_peeraccount(other->chan))) {
- ast_debug(1, "Changing peeraccount from %s to %s on %s to match channel %s\n",
- ast_channel_peeraccount(other->chan), ast_channel_peeraccount(bridge_channel->chan), ast_channel_name(other->chan), ast_channel_name(bridge_channel->chan));
- ast_channel_peeraccount_set(other->chan, ast_channel_accountcode(bridge_channel->chan));
- }
- if (strcmp(ast_channel_accountcode(other->chan), ast_channel_peeraccount(bridge_channel->chan))) {
- ast_debug(1, "Changing peeraccount from %s to %s on %s to match channel %s\n",
- ast_channel_peeraccount(bridge_channel->chan), ast_channel_peeraccount(other->chan), ast_channel_name(bridge_channel->chan), ast_channel_name(other->chan));
- ast_channel_peeraccount_set(bridge_channel->chan, ast_channel_accountcode(other->chan));
- }
- }
- ast_channel_unlock(bridge_channel->chan);
+ ast_channel_unlock(joining->chan);
ast_channel_unlock(other->chan);
}
}
+/*!
+ * \internal
+ * \brief Update channel peeraccount codes because a channel has left a bridge.
+ * \since 12.5.0
+ *
+ * \param leaving Channel leaving the bridge. (Has already been removed actually)
+ *
+ * \note The bridge must be locked prior to calling this function.
+ *
+ * \return Nothing
+ */
+static void bridge_channel_update_accountcodes_leaving(struct ast_bridge_channel *leaving)
+{
+ struct ast_bridge *bridge = leaving->bridge;
+ struct ast_bridge_channel *first;
+ struct ast_bridge_channel *second;
+
+ if (bridge->num_channels != 2 || bridge->dissolved) {
+ return;
+ }
+
+ first = AST_LIST_FIRST(&bridge->channels);
+ second = AST_LIST_LAST(&bridge->channels);
+ ast_assert(first && first != second);
+ ast_channel_lock_both(first->chan, second->chan);
+ channel_set_empty_accountcodes(first->chan, second->chan);
+ channel_update_peeraccounts(first->chan, second->chan);
+ ast_channel_unlock(second->chan);
+ ast_channel_unlock(first->chan);
+}
+
+void ast_bridge_channel_update_accountcodes(struct ast_bridge_channel *joining, struct ast_bridge_channel *leaving)
+{
+ if (joining) {
+ bridge_channel_update_accountcodes_joining(joining, leaving);
+ } else {
+ bridge_channel_update_accountcodes_leaving(leaving);
+ }
+}
+
void ast_bridge_channel_kick(struct ast_bridge_channel *bridge_channel, int cause)
{
struct ast_bridge_features *features = bridge_channel->features;
}
--bridge->num_channels;
AST_LIST_REMOVE(&bridge->channels, bridge_channel, entry);
+
+ bridge_channel_dissolve_check(bridge_channel);
bridge->v_table->pull(bridge, bridge_channel);
ast_bridge_channel_clear_roles(bridge_channel);
ast_clear_flag(ast_channel_flags(bridge_channel->chan), AST_FLAG_OUTGOING);
}
- bridge_channel_dissolve_check(bridge_channel);
-
bridge->reconfigured = 1;
ast_bridge_publish_leave(bridge, bridge_channel->chan);
}
--- /dev/null
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2014, Digium, Inc.
+ *
+ * Richard Mudgett <rmudgett@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 Stasis bridge subclass.
+ *
+ * \author Richard Mudgett <rmudgett@digium.com>
+ *
+ * See Also:
+ * \arg \ref AstCREDITS
+ */
+
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/bridge.h"
+#include "asterisk/bridge_internal.h"
+#include "stasis_bridge.h"
+
+/* ------------------------------------------------------------------- */
+
+/*!
+ * \internal
+ * \brief Push this channel into the Stasis bridge.
+ * \since 12.5.0
+ *
+ * \param self Bridge to operate upon.
+ * \param bridge_channel Bridge channel to push.
+ * \param swap Bridge channel to swap places with if not NULL.
+ *
+ * \note On entry, self is already locked.
+ *
+ * \retval 0 on success.
+ * \retval -1 on failure. The channel did not get pushed.
+ */
+static int bridge_stasis_push(struct ast_bridge *self, struct ast_bridge_channel *bridge_channel, struct ast_bridge_channel *swap)
+{
+ if (self->allowed_capabilities & STASIS_BRIDGE_MIXING_CAPABILITIES) {
+ ast_bridge_channel_update_linkedids(bridge_channel, swap);
+ if (ast_test_flag(&self->feature_flags, AST_BRIDGE_FLAG_SMART)) {
+ ast_bridge_channel_update_accountcodes(bridge_channel, swap);
+ }
+ }
+
+ return ast_bridge_base_v_table.push(self, bridge_channel, swap);
+}
+
+/*!
+ * \internal
+ * \brief Pull this channel from the Stasis bridge.
+ * \since 12.5.0
+ *
+ * \param self Bridge to operate upon.
+ * \param bridge_channel Bridge channel to pull.
+ *
+ * \note On entry, self is already locked.
+ *
+ * \return Nothing
+ */
+static void bridge_stasis_pull(struct ast_bridge *self, struct ast_bridge_channel *bridge_channel)
+{
+ if ((self->allowed_capabilities & STASIS_BRIDGE_MIXING_CAPABILITIES)
+ && ast_test_flag(&self->feature_flags, AST_BRIDGE_FLAG_SMART)) {
+ ast_bridge_channel_update_accountcodes(NULL, bridge_channel);
+ }
+
+ ast_bridge_base_v_table.pull(self, bridge_channel);
+}
+
+static struct ast_bridge_methods bridge_stasis_v_table;
+
+struct ast_bridge *bridge_stasis_new(uint32_t capabilities, unsigned int flags, const char *name, const char *id)
+{
+ void *bridge;
+
+ bridge = bridge_alloc(sizeof(struct ast_bridge), &bridge_stasis_v_table);
+ bridge = bridge_base_init(bridge, capabilities, flags, "Stasis", name, id);
+ bridge = bridge_register(bridge);
+
+ return bridge;
+}
+
+void bridge_stasis_init(void)
+{
+ /* Setup the Stasis bridge subclass v_table. */
+ bridge_stasis_v_table = ast_bridge_base_v_table;
+ bridge_stasis_v_table.name = "stasis";
+ bridge_stasis_v_table.push = bridge_stasis_push;
+ bridge_stasis_v_table.pull = bridge_stasis_pull;
+}
--- /dev/null
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2014, Digium, Inc.
+ *
+ * Richard Mudgett <rmudgett@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 Internal API for the Stasis bridge subclass.
+ *
+ * \author Richard Mudgett <rmudgett@digium.com>
+ *
+ * See Also:
+ * \arg \ref AstCREDITS
+ */
+
+#ifndef _ASTERISK_STASIS_BRIDGE_H
+#define _ASTERISK_STASIS_BRIDGE_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+/* ------------------------------------------------------------------- */
+
+/*! Normal capabilities of mixing bridges */
+#define STASIS_BRIDGE_MIXING_CAPABILITIES \
+ (AST_BRIDGE_CAPABILITY_NATIVE \
+ | AST_BRIDGE_CAPABILITY_1TO1MIX \
+ | AST_BRIDGE_CAPABILITY_MULTIMIX)
+
+/*!
+ * \internal
+ * \brief Create a new Stasis bridge.
+ * \since 12.5.0
+ *
+ * \param capabilities The capabilities that we require to be used on the bridge
+ * \param flags Flags that will alter the behavior of the bridge
+ * \param name Name given to the bridge by Stasis (optional)
+ * \param id Unique ID given to the bridge by Stasis (optional)
+ *
+ * \retval a pointer to a new bridge on success
+ * \retval NULL on failure
+ */
+struct ast_bridge *bridge_stasis_new(uint32_t capabilities, unsigned int flags, const char *name, const char *id);
+
+/*!
+ * \internal
+ * \brief Initialize the Stasis bridge subclass.
+ * \since 12.5.0
+ *
+ * \return Nothing
+ */
+void bridge_stasis_init(void);
+
+/* ------------------------------------------------------------------- */
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif /* _ASTERISK_STASIS_BRIDGE_H */
projects / asterisk/asterisk.git / commitdiff