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-rw-r--r--apps/app_dahdiscan.c378
1 files changed, 0 insertions, 378 deletions
diff --git a/apps/app_dahdiscan.c b/apps/app_dahdiscan.c
deleted file mode 100644
index 8251ffcbf..000000000
--- a/apps/app_dahdiscan.c
+++ /dev/null
@@ -1,378 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * Modified from app_zapbarge by David Troy <dave@toad.net>
- *
- * Special thanks to comphealth.com for sponsoring this
- * GPL application.
- *
- * 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 DAHDI Scanner
- *
- * \author Mark Spencer <markster@digium.com>
- *
- * \ingroup applications
- */
-
-/*** MODULEINFO
- <depend>dahdi</depend>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <dahdi/user.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/file.h"
-#include "asterisk/channel.h"
-#include "asterisk/pbx.h"
-#include "asterisk/module.h"
-#include "asterisk/config.h"
-#include "asterisk/app.h"
-#include "asterisk/utils.h"
-#include "asterisk/cli.h"
-#include "asterisk/say.h"
-#include "asterisk/options.h"
-
-/*** DOCUMENTATION
- <application name="DAHDIScan" language="en_US">
- <synopsis>
- Scan DAHDI channels to monitor calls.
- </synopsis>
- <syntax>
- <parameter name="group">
- <para>Limit scanning to a channel <replaceable>group</replaceable> by setting this option.</para>
- </parameter>
- </syntax>
- <description>
- <para>Allows a call center manager to monitor DAHDI channels in a
- convenient way. Use <literal>#</literal> to select the next channel and use <literal>*</literal> to exit.</para>
- </description>
- </application>
- ***/
-static char *app = "DAHDIScan";
-
-#define CONF_SIZE 160
-
-static struct ast_channel *get_dahdi_channel_locked(int num) {
- char name[80];
-
- snprintf(name, sizeof(name), "DAHDI/%d-1", num);
- return ast_get_channel_by_name_locked(name);
-}
-
-static int careful_write(int fd, unsigned char *data, int len)
-{
- int res;
- while (len) {
- res = write(fd, data, len);
- if (res < 1) {
- if (errno != EAGAIN) {
- ast_log(LOG_WARNING, "Failed to write audio data to conference: %s\n", strerror(errno));
- return -1;
- } else {
- return 0;
- }
- }
- len -= res;
- data += res;
- }
- return 0;
-}
-
-static int conf_run(struct ast_channel *chan, int confno, int confflags)
-{
- int fd;
- struct dahdi_confinfo dahdic;
- struct ast_frame *f;
- struct ast_channel *c;
- struct ast_frame fr;
- int outfd;
- int ms;
- int nfds;
- int res;
- int flags;
- int retrydahdi;
- int origfd;
- int ret = -1;
- char input[4];
- int ic = 0;
-
- struct dahdi_bufferinfo bi;
- char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
- char *buf = __buf + AST_FRIENDLY_OFFSET;
-
- /* Set it into U-law mode (write) */
- if (ast_set_write_format(chan, AST_FORMAT_ULAW) < 0) {
- ast_log(LOG_WARNING, "Unable to set '%s' to write ulaw mode\n", chan->name);
- goto outrun;
- }
-
- /* Set it into U-law mode (read) */
- if (ast_set_read_format(chan, AST_FORMAT_ULAW) < 0) {
- ast_log(LOG_WARNING, "Unable to set '%s' to read ulaw mode\n", chan->name);
- goto outrun;
- }
- ast_indicate(chan, -1);
- retrydahdi = strcasecmp(chan->tech->type, "DAHDI");
- dahdiretry:
- origfd = chan->fds[0];
- if (retrydahdi) {
- fd = open("/dev/dahdi/pseudo", O_RDWR);
- if (fd < 0) {
- ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno));
- goto outrun;
- }
- /* Make non-blocking */
- flags = fcntl(fd, F_GETFL);
- if (flags < 0) {
- ast_log(LOG_WARNING, "Unable to get flags: %s\n", strerror(errno));
- close(fd);
- goto outrun;
- }
- if (fcntl(fd, F_SETFL, flags | O_NONBLOCK)) {
- ast_log(LOG_WARNING, "Unable to set flags: %s\n", strerror(errno));
- close(fd);
- goto outrun;
- }
- /* Setup buffering information */
- memset(&bi, 0, sizeof(bi));
- bi.bufsize = CONF_SIZE;
- bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
- bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
- bi.numbufs = 4;
- if (ioctl(fd, DAHDI_SET_BUFINFO, &bi)) {
- ast_log(LOG_WARNING, "Unable to set buffering information: %s\n", strerror(errno));
- close(fd);
- goto outrun;
- }
- nfds = 1;
- } else {
- /* XXX Make sure we're not running on a pseudo channel XXX */
- fd = chan->fds[0];
- nfds = 0;
- }
- memset(&dahdic, 0, sizeof(dahdic));
- /* Check to see if we're in a conference... */
- dahdic.chan = 0;
- if (ioctl(fd, DAHDI_GETCONF, &dahdic)) {
- ast_log(LOG_WARNING, "Error getting conference\n");
- close(fd);
- goto outrun;
- }
- if (dahdic.confmode) {
- /* Whoa, already in a conference... Retry... */
- if (!retrydahdi) {
- ast_debug(1, "DAHDI channel is in a conference already, retrying with pseudo\n");
- retrydahdi = 1;
- goto dahdiretry;
- }
- }
- memset(&dahdic, 0, sizeof(dahdic));
- /* Add us to the conference */
- dahdic.chan = 0;
- dahdic.confno = confno;
- dahdic.confmode = DAHDI_CONF_MONITORBOTH;
-
- if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
- ast_log(LOG_WARNING, "Error setting conference\n");
- close(fd);
- goto outrun;
- }
- ast_debug(1, "Placed channel %s in DAHDI channel %d monitor\n", chan->name, confno);
-
- for (;;) {
- outfd = -1;
- ms = -1;
- c = ast_waitfor_nandfds(&chan, 1, &fd, nfds, NULL, &outfd, &ms);
- if (c) {
- if (c->fds[0] != origfd) {
- if (retrydahdi) {
- /* Kill old pseudo */
- close(fd);
- }
- ast_debug(1, "Ooh, something swapped out under us, starting over\n");
- retrydahdi = 0;
- goto dahdiretry;
- }
- f = ast_read(c);
- if (!f) {
- break;
- }
- if (f->frametype == AST_FRAME_DTMF) {
- if (f->subclass == '#') {
- ret = 0;
- break;
- } else if (f->subclass == '*') {
- ret = -1;
- break;
- } else {
- input[ic++] = f->subclass;
- }
- if (ic == 3) {
- input[ic++] = '\0';
- ic = 0;
- ret = atoi(input);
- ast_verb(3, "DAHDIScan: change channel to %d\n", ret);
- break;
- }
- }
-
- if (fd != chan->fds[0]) {
- if (f->frametype == AST_FRAME_VOICE) {
- if (f->subclass == AST_FORMAT_ULAW) {
- /* Carefully write */
- careful_write(fd, f->data.ptr, f->datalen);
- } else {
- ast_log(LOG_WARNING, "Huh? Got a non-ulaw (%d) frame in the conference\n", f->subclass);
- }
- }
- }
- ast_frfree(f);
- } else if (outfd > -1) {
- res = read(outfd, buf, CONF_SIZE);
- if (res > 0) {
- memset(&fr, 0, sizeof(fr));
- fr.frametype = AST_FRAME_VOICE;
- fr.subclass = AST_FORMAT_ULAW;
- fr.datalen = res;
- fr.samples = res;
- fr.data.ptr = buf;
- fr.offset = AST_FRIENDLY_OFFSET;
- if (ast_write(chan, &fr) < 0) {
- ast_log(LOG_WARNING, "Unable to write frame to channel: %s\n", strerror(errno));
- /* break; */
- }
- } else {
- ast_log(LOG_WARNING, "Failed to read frame: %s\n", strerror(errno));
- }
- }
- }
- if (f) {
- ast_frfree(f);
- }
- if (fd != chan->fds[0]) {
- close(fd);
- } else {
- /* Take out of conference */
- /* Add us to the conference */
- dahdic.chan = 0;
- dahdic.confno = 0;
- dahdic.confmode = 0;
- if (ioctl(fd, DAHDI_SETCONF, &dahdic)) {
- ast_log(LOG_WARNING, "Error setting conference\n");
- }
- }
-
- outrun:
-
- return ret;
-}
-
-static int conf_exec(struct ast_channel *chan, void *data)
-{
- int res=-1;
- int confflags = 0;
- int confno = 0;
- char confnostr[80] = "", *tmp = NULL;
- struct ast_channel *tempchan = NULL, *lastchan = NULL, *ichan = NULL;
- struct ast_frame *f;
- char *desired_group;
- int input = 0, search_group = 0;
-
- if (chan->_state != AST_STATE_UP)
- ast_answer(chan);
-
- desired_group = ast_strdupa(data);
- if (!ast_strlen_zero(desired_group)) {
- ast_verb(3, "Scanning for group %s\n", desired_group);
- search_group = 1;
- }
-
- for (;;) {
- if (ast_waitfor(chan, 100) < 0)
- break;
-
- f = ast_read(chan);
- if (!f)
- break;
- if ((f->frametype == AST_FRAME_DTMF) && (f->subclass == '*')) {
- ast_frfree(f);
- break;
- }
- ast_frfree(f);
- ichan = NULL;
- if(input) {
- ichan = get_dahdi_channel_locked(input);
- input = 0;
- }
-
- tempchan = ichan ? ichan : ast_channel_walk_locked(tempchan);
-
- if (!tempchan && !lastchan) {
- break;
- }
-
- if (tempchan && search_group) {
- const char *mygroup;
- if ((mygroup = pbx_builtin_getvar_helper(tempchan, "GROUP")) && (!strcmp(mygroup, desired_group))) {
- ast_verb(3, "Found Matching Channel %s in group %s\n", tempchan->name, desired_group);
- } else {
- ast_channel_unlock(tempchan);
- lastchan = tempchan;
- continue;
- }
- }
- if (tempchan && (!strcmp(tempchan->tech->type, "DAHDI")) && (tempchan != chan)) {
- ast_verb(3, "DAHDI channel %s is in-use, monitoring...\n", tempchan->name);
- ast_copy_string(confnostr, tempchan->name, sizeof(confnostr));
- ast_channel_unlock(tempchan);
- if ((tmp = strchr(confnostr, '-'))) {
- *tmp = '\0';
- }
- confno = atoi(strchr(confnostr, '/') + 1);
- ast_stopstream(chan);
- ast_say_number(chan, confno, AST_DIGIT_ANY, chan->language, (char *) NULL);
- res = conf_run(chan, confno, confflags);
- if (res < 0) {
- break;
- }
- input = res;
- } else if (tempchan) {
- ast_channel_unlock(tempchan);
- }
- lastchan = tempchan;
- }
- return res;
-}
-
-static int unload_module(void)
-{
- return ast_unregister_application(app);
-}
-
-static int load_module(void)
-{
- return ((ast_register_application_xml(app, conf_exec)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
-}
-
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Scan DAHDI channels application");
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 14:34:49 +0000