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asterisk/apps/app_dictate.c
Matt Jordan 4a58261694 git migration: Refactor the ASTERISK_FILE_VERSION macro 
Git does not support the ability to replace a token with a version
string during check-in. While it does have support for replacing a
token on clone, this is somewhat sub-optimal: the token is replaced
with the object hash, which is not particularly easy for human
consumption. What's more, in practice, the source file version was often
not terribly useful. Generally, when triaging bugs, the overall version
of Asterisk is far more useful than an individual SVN version of a file. As a
result, this patch removes Asterisk's support for showing source file
versions.

Specifically, it does the following:

* Rename ASTERISK_FILE_VERSION macro to ASTERISK_REGISTER_FILE, and
  remove passing the version in with the macro. Other facilities
  than 'core show file version' make use of the file names, such as
  setting a debug level only on a specific file. As such, the act of
  registering source files with the Asterisk core still has use. The
  macro rename now reflects the new macro purpose.

* main/asterisk:
  - Refactor the file_version structure to reflect that it no longer
    tracks a version field.
  - Remove the "core show file version" CLI command. Without the file
    version, it is no longer useful.
  - Remove the ast_file_version_find function. The file version is no
    longer tracked.
  - Rename ast_register_file_version/ast_unregister_file_version to
    ast_register_file/ast_unregister_file, respectively.

* main/manager: Remove value from the Version key of the ModuleCheck
  Action. The actual key itself has not been removed, as doing so would
  absolutely constitute a backwards incompatible change. However, since
  the file version is no longer tracked, there is no need to attempt to
  include it in the Version key.

* UPGRADE: Add notes for:
  - Modification to the ModuleCheck AMI Action
  - Removal of the "core show file version" CLI command

Change-Id: I6cf0ff280e1668bf4957dc21f32a5ff43444a40e
2015-04-13 03:48:57 -04:00

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2005, Anthony Minessale II
*
* Anthony Minessale II <anthmct@yahoo.com>
*
* Donated by Sangoma Technologies <http://www.samgoma.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 Virtual Dictation Machine Application For Asterisk
*
* \author Anthony Minessale II <anthmct@yahoo.com>
*
* \ingroup applications
*/
/*** MODULEINFO
<support_level>extended</support_level>
***/
#include "asterisk.h"
ASTERISK_REGISTER_FILE()
#include <sys/stat.h>
#include "asterisk/paths.h" /* use ast_config_AST_SPOOL_DIR */
#include "asterisk/file.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/say.h"
#include "asterisk/app.h"
#include "asterisk/format_cache.h"
/*** DOCUMENTATION
<application name="Dictate" language="en_US">
<synopsis>
Virtual Dictation Machine.
</synopsis>
<syntax>
<parameter name="base_dir" />
<parameter name="filename" />
</syntax>
<description>
<para>Start dictation machine using optional <replaceable>base_dir</replaceable> for files.</para>
</description>
</application>
***/
static const char app[] = "Dictate";
typedef enum {
DFLAG_RECORD = (1 << 0),
DFLAG_PLAY = (1 << 1),
DFLAG_TRUNC = (1 << 2),
DFLAG_PAUSE = (1 << 3),
} dflags;
typedef enum {
DMODE_INIT,
DMODE_RECORD,
DMODE_PLAY
} dmodes;
#define ast_toggle_flag(it,flag) if(ast_test_flag(it, flag)) ast_clear_flag(it, flag); else ast_set_flag(it, flag)
static int play_and_wait(struct ast_channel *chan, char *file, char *digits)
{
int res = -1;
if (!ast_streamfile(chan, file, ast_channel_language(chan))) {
res = ast_waitstream(chan, digits);
}
return res;
}
static int dictate_exec(struct ast_channel *chan, const char *data)
{
char *path = NULL, filein[256], *filename = "";
char *parse;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(base);
AST_APP_ARG(filename);
);
char dftbase[256];
char *base;
struct ast_flags flags = {0};
struct ast_filestream *fs;
struct ast_frame *f = NULL;
int ffactor = 320 * 80,
res = 0,
done = 0,
lastop = 0,
samples = 0,
speed = 1,
digit = 0,
len = 0,
maxlen = 0,
mode = 0;
struct ast_format *oldr;
snprintf(dftbase, sizeof(dftbase), "%s/dictate", ast_config_AST_SPOOL_DIR);
if (!ast_strlen_zero(data)) {
parse = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, parse);
} else
args.argc = 0;
if (args.argc && !ast_strlen_zero(args.base)) {
base = args.base;
} else {
base = dftbase;
}
if (args.argc > 1 && args.filename) {
filename = args.filename;
}
oldr = ao2_bump(ast_channel_readformat(chan));
if ((res = ast_set_read_format(chan, ast_format_slin)) < 0) {
ast_log(LOG_WARNING, "Unable to set to linear mode.\n");
ao2_cleanup(oldr);
return -1;
}
if (ast_channel_state(chan) != AST_STATE_UP) {
ast_answer(chan);
}
ast_safe_sleep(chan, 200);
for (res = 0; !res;) {
if (ast_strlen_zero(filename)) {
if (ast_app_getdata(chan, "dictate/enter_filename", filein, sizeof(filein), 0) ||
ast_strlen_zero(filein)) {
res = -1;
break;
}
} else {
ast_copy_string(filein, filename, sizeof(filein));
filename = "";
}
ast_mkdir(base, 0755);
len = strlen(base) + strlen(filein) + 2;
if (!path || len > maxlen) {
path = ast_alloca(len);
memset(path, 0, len);
maxlen = len;
} else {
memset(path, 0, maxlen);
}
snprintf(path, len, "%s/%s", base, filein);
fs = ast_writefile(path, "raw", NULL, O_CREAT|O_APPEND, 0, AST_FILE_MODE);
mode = DMODE_PLAY;
memset(&flags, 0, sizeof(flags));
ast_set_flag(&flags, DFLAG_PAUSE);
digit = play_and_wait(chan, "dictate/forhelp", AST_DIGIT_ANY);
done = 0;
speed = 1;
res = 0;
lastop = 0;
samples = 0;
while (!done && ((res = ast_waitfor(chan, -1)) > -1) && fs && (f = ast_read(chan))) {
if (digit) {
struct ast_frame fr = {AST_FRAME_DTMF, { .integer = digit } };
ast_queue_frame(chan, &fr);
digit = 0;
}
if (f->frametype == AST_FRAME_DTMF) {
int got = 1;
switch(mode) {
case DMODE_PLAY:
switch (f->subclass.integer) {
case '1':
ast_set_flag(&flags, DFLAG_PAUSE);
mode = DMODE_RECORD;
break;
case '2':
speed++;
if (speed > 4) {
speed = 1;
}
res = ast_say_number(chan, speed, AST_DIGIT_ANY, ast_channel_language(chan), NULL);
break;
case '7':
samples -= ffactor;
if(samples < 0) {
samples = 0;
}
ast_seekstream(fs, samples, SEEK_SET);
break;
case '8':
samples += ffactor;
ast_seekstream(fs, samples, SEEK_SET);
break;
default:
got = 0;
}
break;
case DMODE_RECORD:
switch (f->subclass.integer) {
case '1':
ast_set_flag(&flags, DFLAG_PAUSE);
mode = DMODE_PLAY;
break;
case '8':
ast_toggle_flag(&flags, DFLAG_TRUNC);
lastop = 0;
break;
default:
got = 0;
}
break;
default:
got = 0;
}
if (!got) {
switch (f->subclass.integer) {
case '#':
done = 1;
continue;
break;
case '*':
ast_toggle_flag(&flags, DFLAG_PAUSE);
if (ast_test_flag(&flags, DFLAG_PAUSE)) {
digit = play_and_wait(chan, "dictate/pause", AST_DIGIT_ANY);
} else {
digit = play_and_wait(chan, mode == DMODE_PLAY ? "dictate/playback" : "dictate/record", AST_DIGIT_ANY);
}
break;
case '0':
ast_set_flag(&flags, DFLAG_PAUSE);
digit = play_and_wait(chan, "dictate/paused", AST_DIGIT_ANY);
switch(mode) {
case DMODE_PLAY:
digit = play_and_wait(chan, "dictate/play_help", AST_DIGIT_ANY);
break;
case DMODE_RECORD:
digit = play_and_wait(chan, "dictate/record_help", AST_DIGIT_ANY);
break;
}
if (digit == 0) {
digit = play_and_wait(chan, "dictate/both_help", AST_DIGIT_ANY);
} else if (digit < 0) {
done = 1;
break;
}
break;
}
}
} else if (f->frametype == AST_FRAME_VOICE) {
switch(mode) {
struct ast_frame *fr;
int x;
case DMODE_PLAY:
if (lastop != DMODE_PLAY) {
if (ast_test_flag(&flags, DFLAG_PAUSE)) {
digit = play_and_wait(chan, "dictate/playback_mode", AST_DIGIT_ANY);
if (digit == 0) {
digit = play_and_wait(chan, "dictate/paused", AST_DIGIT_ANY);
} else if (digit < 0) {
break;
}
}
if (lastop != DFLAG_PLAY) {
lastop = DFLAG_PLAY;
ast_closestream(fs);
if (!(fs = ast_openstream(chan, path, ast_channel_language(chan))))
break;
ast_seekstream(fs, samples, SEEK_SET);
ast_channel_stream_set(chan, NULL);
}
lastop = DMODE_PLAY;
}
if (!ast_test_flag(&flags, DFLAG_PAUSE)) {
for (x = 0; x < speed; x++) {
if ((fr = ast_readframe(fs))) {
ast_write(chan, fr);
samples += fr->samples;
ast_frfree(fr);
fr = NULL;
} else {
samples = 0;
ast_seekstream(fs, 0, SEEK_SET);
}
}
}
break;
case DMODE_RECORD:
if (lastop != DMODE_RECORD) {
int oflags = O_CREAT | O_WRONLY;
if (ast_test_flag(&flags, DFLAG_PAUSE)) {
digit = play_and_wait(chan, "dictate/record_mode", AST_DIGIT_ANY);
if (digit == 0) {
digit = play_and_wait(chan, "dictate/paused", AST_DIGIT_ANY);
} else if (digit < 0) {
break;
}
}
lastop = DMODE_RECORD;
ast_closestream(fs);
if ( ast_test_flag(&flags, DFLAG_TRUNC)) {
oflags |= O_TRUNC;
digit = play_and_wait(chan, "dictate/truncating_audio", AST_DIGIT_ANY);
} else {
oflags |= O_APPEND;
}
fs = ast_writefile(path, "raw", NULL, oflags, 0, AST_FILE_MODE);
if (ast_test_flag(&flags, DFLAG_TRUNC)) {
ast_seekstream(fs, 0, SEEK_SET);
ast_clear_flag(&flags, DFLAG_TRUNC);
} else {
ast_seekstream(fs, 0, SEEK_END);
}
}
if (!ast_test_flag(&flags, DFLAG_PAUSE)) {
res = ast_writestream(fs, f);
}
break;
}
}
ast_frfree(f);
}
}
if (oldr) {
ast_set_read_format(chan, oldr);
ao2_ref(oldr, -1);
}
return 0;
}
static int unload_module(void)
{
int res;
res = ast_unregister_application(app);
return res;
}
static int load_module(void)
{
return ast_register_application_xml(app, dictate_exec);
}
AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Virtual Dictation Machine");
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