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add a new dialplan module 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6205 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2007-11-09 19:25:46 +00:00
parent b7b686ec4b
commit 4d2dfa633b
8 changed files with 301 additions and 1 deletions
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1
Makefile.am
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@ -55,6 +55,7 @@ src/switch_ivr.c \
src/switch_stun.c\
src/switch_log.c\
src/switch_xml.c\
src/switch_config.c\
src/softtimer.c\
libs/stfu/stfu.c\
src/switch_cpp.cpp\

1
src/include/switch.h
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@ -105,6 +105,7 @@
#include <switch_xml.h>
#include <switch_core_event_hook.h>
#include <switch_scheduler.h>
#include <switch_config.h>
#include <libteletone.h>
/** \mainpage FreeSWITCH

1
src/include/switch_utils.h
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@ -303,6 +303,7 @@ SWITCH_DECLARE(char *) switch_strip_spaces(const char *str);
SWITCH_DECLARE(const char *) switch_stristr(const char *str, const char *instr);
SWITCH_DECLARE(switch_bool_t) switch_is_lan_addr(const char *ip);
SWITCH_DECLARE(char *) switch_replace_char(char *str, char from, char to, switch_bool_t dup);
SWITCH_DECLARE(switch_bool_t) switch_ast2regex(char *pat, char *rbuf, size_t len);
/*!
\brief Escape a string by prefixing a list of characters with an escape character

2
src/mod/dialplans/mod_dialplan_asterisk/Makefile Normal file
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@ -0,0 +1,2 @@
BASE=../../../..
include /usr/src/freeswitch.trunk/build/modmake.rules

189
src/mod/dialplans/mod_dialplan_asterisk/mod_dialplan_asterisk.c Normal file
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@ -0,0 +1,189 @@
/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
* mod_dialplan_asterisk.c -- Asterisk extensions.conf style dialplan parser.
*
*/
#include <switch.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
SWITCH_MODULE_LOAD_FUNCTION(mod_dialplan_asterisk_load);
SWITCH_MODULE_DEFINITION(mod_dialplan_asterisk, mod_dialplan_asterisk_load, NULL, NULL);
SWITCH_STANDARD_DIALPLAN(asterisk_dialplan_hunt)
{
switch_caller_extension_t *extension = NULL;
switch_channel_t *channel;
char *cf = "extensions.conf";
switch_config_t cfg;
char *var, *val;
const char *context = NULL;
if (arg) {
cf = arg;
}
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
if (!caller_profile) {
caller_profile = switch_channel_get_caller_profile(channel);
}
if (caller_profile) {
context = caller_profile->context ? caller_profile->context : "default";
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Obtaining Profile!\n");
return NULL;
}
if (!switch_config_open_file(&cfg, cf)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return NULL;
}
while (switch_config_next_pair(&cfg, &var, &val)) {
if (!strcasecmp(cfg.category, context)) {
if (!strcasecmp(var, "exten")) {
int argc;
char *argv[4] = { 0 };
char *pattern = NULL;
char *pri = NULL;
char *app = NULL;
char *arg = NULL;
char expression[1024] = "";
char substituted[2048] = "";
char *field_data = caller_profile->destination_number;
int proceed = 0;
switch_regex_t *re = NULL;
int ovector[30] = {0};
switch_replace_char(val, '|',',', SWITCH_FALSE);
argc = switch_separate_string(val, ',', argv, (sizeof(argv) / sizeof(argv[0])));
if (argc < 3) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "parse error line %d!\n", cfg.lineno);
continue;
}
pattern = argv[0];
if (*pattern == '_') {
pattern++;
if (switch_ast2regex(pattern, expression, sizeof(expression))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "converting [%s] to real regex [%s] you should try them!\n",
pattern, expression);
}
if (!(proceed = switch_regex_perform(field_data, expression, &re, ovector, sizeof(ovector) / sizeof(ovector[0])))) {
switch_regex_safe_free(re);
continue;
}
} else {
if (strcasecmp(pattern, caller_profile->destination_number)) {
continue;
}
}
switch_channel_set_variable(channel, "EXTEN", caller_profile->destination_number);
switch_channel_set_variable(channel, "CHANNEL", switch_channel_get_name(channel));
switch_channel_set_variable(channel, "UNIQUEID", switch_core_session_get_uuid(session));
pri = argv[1];
app = argv[2];
if (argc == 4) {
arg = argv[3];
} else {
if ((arg = strchr(app, '('))) {
*arg++ = '\0';
char *p = strrchr(arg, ')');
if (p) {
*p = '\0';
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "parse error line %d!\n", cfg.lineno);
continue;
}
}
if (strchr(expression, '(')) {
switch_perform_substitution(re, proceed, arg, field_data, substituted, sizeof(substituted), ovector);
arg = substituted;
}
switch_regex_safe_free(re);
if (!extension) {
if ((extension = switch_caller_extension_new(session, caller_profile->destination_number,
caller_profile->destination_number)) == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "memory error!\n");
break;
}
}
switch_caller_extension_add_application(session, extension, app, arg);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "param '%s' not implemented at line %d!\n", var, cfg.lineno);
}
}
}
switch_config_close_file(&cfg);
if (extension) {
switch_channel_set_state(channel, CS_EXECUTE);
}
return extension;
}
SWITCH_MODULE_LOAD_FUNCTION(mod_dialplan_asterisk_load)
{
switch_dialplan_interface_t *dp_interface;
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
SWITCH_ADD_DIALPLAN(dp_interface, "asterisk", asterisk_dialplan_hunt);
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/

51
src/mod/dialplans/mod_dialplan_asterisk/mod_dialplan_asterisk.vcproj Normal file
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@ -0,0 +1,51 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8.00"
Name="mod_dialplan_asterisk"
ProjectGUID="{07113B25-D3AF-4E04-BA77-4CD1171F022C}"
RootNamespace="mod_dialplan_asterisk"
Keyword="Win32Proj"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
ConfigurationType="2"
InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
CharacterSet="2"
>
<Tool
Name="VCCLCompilerTool"
UsePrecompiledHeader="0"
/>
</Configuration>
<Configuration
Name="Release|Win32"
ConfigurationType="2"
InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
CharacterSet="2"
>
<Tool
Name="VCCLCompilerTool"
UsePrecompiledHeader="0"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<File
RelativePath=".\mod_dialplan_asterisk.c"
>
</File>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

35
src/switch_channel.c
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@ -1269,6 +1269,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
char *data, *indup;
size_t sp = 0, len = 0, olen = 0, vtype = 0, br = 0, cpos, block = 128;
const char *sub_val = NULL;
char *cloned_sub_val = NULL;
char *func_val = NULL;
int nv = 0;
@ -1393,13 +1394,43 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
if (vtype == 1) {
char *expanded = NULL;
int offset = 0;
int ooffset = 0;
char *p;
if ((expanded = switch_channel_expand_variables(channel, (char *)vname)) == vname) {
expanded = NULL;
} else {
vname = expanded;
}
if ((p = strchr(vname, ':'))) {
*p++ = '\0';
offset = atoi(p);
if ((p = strchr(p, ':'))) {
p++;
ooffset = atoi(p);
}
}
sub_val = switch_channel_get_variable(channel, vname);
if (offset || ooffset) {
cloned_sub_val = strdup(sub_val);
assert(cloned_sub_val);
sub_val = cloned_sub_val;
}
if (offset >= 0) {
sub_val += offset;
} else if (abs(offset) <= strlen(sub_val)) {
sub_val = cloned_sub_val + (strlen(cloned_sub_val) + offset);
}
if (ooffset > 0 && ooffset < strlen(sub_val)) {
if ((p = (char *)sub_val + ooffset)) {
*p = '\0';
}
}
switch_safe_free(expanded);
} else {
switch_stream_handle_t stream = { 0 };
@ -1450,9 +1481,11 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
}
switch_safe_free(func_val);
switch_safe_free(cloned_sub_val);
sub_val = NULL;
vname = NULL;
vtype = 0;
br = 0;
}
if (len + 1 >= olen) {
resize(1);

22
src/switch_utils.c
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@ -222,6 +222,28 @@ SWITCH_DECLARE(switch_bool_t) switch_is_lan_addr(const char *ip)
}
SWITCH_DECLARE(switch_bool_t) switch_ast2regex(char *pat, char *rbuf, size_t len)
{
char *p = pat;
memset(rbuf, 0, len);
while(p && *p) {
if (*p == 'N') {
strncat(rbuf, "[2-9]", len - strlen(rbuf));
} else if (*p == 'X') {
strncat(rbuf, "[0-9]", len - strlen(rbuf));
} else if (*p == 'Z') {
strncat(rbuf, "[1-9]", len - strlen(rbuf));
} else if (*p == '.') {
strncat(rbuf, ".*", len - strlen(rbuf));
} else if (strlen(rbuf) < len - 1) {
*(rbuf + strlen(rbuf)) = *p;
}
p++;
}
return strcmp(pat,rbuf) ? SWITCH_TRUE : SWITCH_FALSE;
}
SWITCH_DECLARE(char *) switch_replace_char(char *str, char from, char to, switch_bool_t dup)
{