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232 lines
6.3 KiB
232 lines
6.3 KiB
--- funcs/func_devstate.c 1970-01-01 01:00:00.000000000 +0100
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+++ funcs/func_devstate.c 2010-04-15 22:42:27.000000000 +0200
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@@ -0,0 +1,228 @@
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+/*
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+ * Asterisk -- An open source telephony toolkit.
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+ *
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+ * Copyright (C) 2007, Digium, Inc.
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+ *
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+ * Russell Bryant <russell@digium.com>
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+ *
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+ * See http://www.asterisk.org for more information about
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+ * the Asterisk project. Please do not directly contact
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+ * any of the maintainers of this project for assistance;
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+ * the project provides a web site, mailing lists and IRC
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+ * channels for your use.
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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 Version 2. See the LICENSE file
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+ * at the top of the source tree.
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+ */
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+
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+/*! \file
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+ *
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+ * \brief Manually controlled blinky lights
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+ *
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+ * \author Russell Bryant <russell@digium.com>
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+ *
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+ * \ingroup functions
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+ *
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+ * \note Props go out to Ahrimanes in #asterisk for requesting this at 4:30 AM
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+ * when I couldn't sleep. :)
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+ */
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+
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+#include "asterisk.h"
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+
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+ASTERISK_FILE_VERSION(__FILE__, "$Revision: 4 $")
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+
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+#include <stdlib.h>
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+
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+#include "asterisk/module.h"
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+#include "asterisk/channel.h"
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+#include "asterisk/pbx.h"
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+#include "asterisk/utils.h"
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+#include "asterisk/linkedlists.h"
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+#include "asterisk/devicestate.h"
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+#include "asterisk/cli.h"
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+#include "asterisk/astdb.h"
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+
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+static const char astdb_family[] = "CustomDevstate";
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+
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+static const char *ast_devstate_str(int state)
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+{
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+ const char *res = "UNKNOWN";
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+
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+ switch (state) {
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+ case AST_DEVICE_UNKNOWN:
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+ break;
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+ case AST_DEVICE_NOT_INUSE:
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+ res = "NOT_INUSE";
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+ break;
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+ case AST_DEVICE_INUSE:
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+ res = "INUSE";
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+ break;
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+ case AST_DEVICE_BUSY:
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+ res = "BUSY";
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+ break;
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+ case AST_DEVICE_INVALID:
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+ res = "INVALID";
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+ break;
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+ case AST_DEVICE_UNAVAILABLE:
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+ res = "UNAVAILABLE";
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+ break;
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+ case AST_DEVICE_RINGING:
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+ res = "RINGING";
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+ break;
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+ case AST_DEVICE_RINGINUSE:
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+ res = "RINGINUSE";
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+ break;
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+ case AST_DEVICE_ONHOLD:
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+ res = "ONHOLD";
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+ break;
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+ }
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+
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+ return res;
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+}
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+
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+static int ast_devstate_val(const char *val)
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+{
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+ if (!strcasecmp(val, "NOT_INUSE"))
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+ return AST_DEVICE_NOT_INUSE;
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+ else if (!strcasecmp(val, "INUSE"))
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+ return AST_DEVICE_INUSE;
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+ else if (!strcasecmp(val, "BUSY"))
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+ return AST_DEVICE_BUSY;
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+ else if (!strcasecmp(val, "INVALID"))
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+ return AST_DEVICE_INVALID;
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+ else if (!strcasecmp(val, "UNAVAILABLE"))
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+ return AST_DEVICE_UNAVAILABLE;
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+ else if (!strcasecmp(val, "RINGING"))
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+ return AST_DEVICE_RINGING;
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+ else if (!strcasecmp(val, "RINGINUSE"))
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+ return AST_DEVICE_RINGINUSE;
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+ else if (!strcasecmp(val, "ONHOLD"))
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+ return AST_DEVICE_ONHOLD;
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+
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+ return AST_DEVICE_UNKNOWN;
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+}
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+
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+static int devstate_read(struct ast_channel *chan, char *cmd, char *data,
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+ char *buf, size_t len)
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+{
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+ ast_copy_string(buf, ast_devstate_str(ast_device_state(data)), len);
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+
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+ return 0;
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+}
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+
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+static int devstate_write(struct ast_channel *chan, char *function,
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+ char *data, const char *value)
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+{
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+ size_t len = strlen("Custom:");
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+
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+ if (strncasecmp(data, "Custom:", len)) {
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+ ast_log(LOG_WARNING, "The DEVSTATE function can only be used to set 'Custom:' device state!\n");
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+ return -1;
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+ }
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+ data += len;
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+ if (ast_strlen_zero(data)) {
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+ ast_log(LOG_WARNING, "DEVSTATE function called with no custom device name!\n");
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+ return -1;
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+ }
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+
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+ ast_db_put(astdb_family, data, (char *) value);
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+
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+ ast_device_state_changed("Custom:%s", data);
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+
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+ return 0;
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+}
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+
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+static int custom_devstate_callback(const char *data)
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+{
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+ char buf[256] = "";
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+
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+ ast_db_get(astdb_family, data, buf, sizeof(buf));
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+
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+ return ast_devstate_val(buf);
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+}
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+
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+static int cli_funcdevstate_list(int fd, int argc, char *argv[])
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+{
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+ struct ast_db_entry *db_entry, *db_tree;
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+
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+ if (argc != 2)
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+ return RESULT_SHOWUSAGE;
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+
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+ ast_cli(fd, "\n"
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+ "---------------------------------------------------------------------\n"
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+ "--- Custom Device States --------------------------------------------\n"
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+ "---------------------------------------------------------------------\n"
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+ "---\n");
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+
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+ db_entry = db_tree = ast_db_gettree(astdb_family, NULL);
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+ for (; db_entry; db_entry = db_entry->next) {
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+ const char *dev_name = strrchr(db_entry->key, '/') + 1;
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+ if (dev_name <= (const char *) 1)
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+ continue;
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+ ast_cli(fd, "--- name: 'custom:%s' state: '%s'\n"
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+ "---\n", dev_name, db_entry->data);
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+ }
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+ ast_db_freetree(db_tree);
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+ db_tree = NULL;
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+
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+ ast_cli(fd,
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+ "---------------------------------------------------------------------\n"
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+ "---------------------------------------------------------------------\n"
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+ "\n");
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+
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+ return RESULT_SUCCESS;
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+}
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+
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+static struct ast_cli_entry cli_funcdevstate[] = {
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+ { { "funcdevstate", "list", }, cli_funcdevstate_list, NULL, NULL },
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+};
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+
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+static struct ast_custom_function devstate_function = {
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+ .name = "DEVSTATE",
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+ .synopsis = "Get or Set a device state",
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+ .syntax = "DEVSTATE(device)",
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+ .desc =
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+ " The DEVSTATE function can be used to retrieve the device state from any\n"
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+ "device state provider. For example:\n"
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+ " NoOp(SIP/mypeer has state ${DEVSTATE(SIP/mypeer)})\n"
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+ " NoOp(Conference number 1234 has state ${DEVSTATE(MeetMe:1234)})\n"
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+ "\n"
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+ " The DEVSTATE function can also be used to set custom device state from\n"
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+ "the dialplan. The \"Custom:\" prefix must be used. For example:\n"
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+ " Set(DEVSTATE(Custom:lamp1)=BUSY)\n"
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+ " Set(DEVSTATE(Custom:lamp2)=NOT_INUSE)\n"
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+ "You can subscribe to the status of a custom device state using a hint in\n"
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+ "the dialplan:\n"
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+ " exten => 1234,hint,Custom:lamp1\n"
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+ "\n"
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+ " The possible values for both uses of this function are:\n"
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+ "UNKNOWN | NOT_INUSE | INUSE | BUSY | INVALID | UNAVAILABLE | RINGING\n"
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+ "RINGINUSE | ONHOLD\n",
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+ .read = devstate_read,
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+ .write = devstate_write,
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+};
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+
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+static int unload_module(void)
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+{
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+ int res = 0;
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+
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+ res |= ast_custom_function_unregister(&devstate_function);
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+ ast_devstate_prov_del("Custom");
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+ ast_cli_unregister_multiple(cli_funcdevstate, ARRAY_LEN(cli_funcdevstate));
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+
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+ return res;
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+}
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+
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+static int load_module(void)
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+{
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+ int res = 0;
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+
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+ res |= ast_custom_function_register(&devstate_function);
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+ res |= ast_devstate_prov_add("Custom", custom_devstate_callback);
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+ ast_cli_register_multiple(cli_funcdevstate, ARRAY_LEN(cli_funcdevstate));
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+
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+ return res;
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+}
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+
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+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Gets or sets a device state in the dialplan");
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