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refactor export code and add new bridge_export app which is like export but exports across when one channel bridges another

This commit is contained in:
Anthony Minessale 2010-10-01 17:26:03 -05:00
parent ecf4e9abcc
commit 4aa9a83898
6 changed files with 147 additions and 96 deletions
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13
src/include/switch_channel.h
View File

@ -261,10 +261,17 @@ SWITCH_DECLARE(const char *) switch_channel_get_variable_partner(switch_channel_
#define switch_channel_set_variable_partner(_channel, _var, _val) switch_channel_set_variable_partner_var_check(_channel, _var, _val, SWITCH_TRUE)
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_var_check(switch_channel_t *channel, const char *varname, const char *value, switch_bool_t var_check);
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_var_check(switch_channel_t *channel,
const char *varname, const char *val,
const char *export_varname,
switch_bool_t var_check);
#define switch_channel_export_variable(_channel, _varname, _value) switch_channel_export_variable_var_check(_channel, _varname, _value, SWITCH_TRUE)
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_printf(switch_channel_t *channel, const char *varname, const char *fmt, ...);
SWITCH_DECLARE(void) switch_channel_process_export(switch_channel_t *channel, switch_channel_t *peer_channel,
switch_event_t *var_event, const char *export_varname);
#define switch_channel_export_variable(_channel, _varname, _value, _ev) switch_channel_export_variable_var_check(_channel, _varname, _value, _ev, SWITCH_TRUE)
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_printf(switch_channel_t *channel, const char *varname,
const char *export_varname, const char *fmt, ...);
/*!

1
src/include/switch_types.h
View File

@ -156,6 +156,7 @@ SWITCH_BEGIN_EXTERN_C
#define SWITCH_ENDPOINT_DISPOSITION_VARIABLE "endpoint_disposition"
#define SWITCH_HOLD_MUSIC_VARIABLE "hold_music"
#define SWITCH_EXPORT_VARS_VARIABLE "export_vars"
#define SWITCH_BRIDGE_EXPORT_VARS_VARIABLE "bridge_export_vars"
#define SWITCH_R_SDP_VARIABLE "switch_r_sdp"
#define SWITCH_L_SDP_VARIABLE "switch_l_sdp"
#define SWITCH_B_SDP_VARIABLE "switch_m_sdp"

50
src/mod/applications/mod_dptools/mod_dptools.c
View File

@ -909,48 +909,42 @@ SWITCH_STANDARD_APP(set_profile_var_function)
SWITCH_STANDARD_APP(export_function)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
const char *exports;
char *new_exports = NULL, *new_exports_d = NULL, *var, *val = NULL, *var_name = NULL;
int local = 1;
char *var, *val = NULL;
if (zstr(data)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "No variable name specified.\n");
} else {
exports = switch_channel_get_variable(channel, SWITCH_EXPORT_VARS_VARIABLE);
var = switch_core_session_strdup(session, data);
if (var) {
val = strchr(var, '=');
if (!strncasecmp(var, "nolocal:", 8)) {
var_name = var + 8;
local = 0;
} else {
var_name = var;
}
}
if (val) {
if ((val = strchr(var, '='))) {
*val++ = '\0';
if (zstr(val)) {
val = NULL;
}
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "EXPORT %s[%s]=[%s]\n", local ? "" : "(REMOTE ONLY) ",
var_name ? var_name : "", val ? val : "UNDEF");
switch_channel_set_variable(channel, var, val);
switch_channel_export_variable(channel, var, val, SWITCH_EXPORT_VARS_VARIABLE);
}
}
if (var && val) {
if (exports) {
new_exports_d = switch_mprintf("%s,%s", exports, var);
new_exports = new_exports_d;
} else {
new_exports = var;
SWITCH_STANDARD_APP(bridge_export_function)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
char *var, *val = NULL;
if (zstr(data)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "No variable name specified.\n");
} else {
var = switch_core_session_strdup(session, data);
if ((val = strchr(var, '='))) {
*val++ = '\0';
if (zstr(val)) {
val = NULL;
}
switch_channel_set_variable(channel, SWITCH_EXPORT_VARS_VARIABLE, new_exports);
switch_safe_free(new_exports_d);
}
switch_channel_export_variable(channel, var, val, SWITCH_BRIDGE_EXPORT_VARS_VARIABLE);
}
}
@ -3317,6 +3311,8 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_dptools_load)
SWITCH_ADD_APP(app_interface, "sound_test", "Analyze Audio", "Analyze Audio", sound_test_function, "", SAF_NONE);
SWITCH_ADD_APP(app_interface, "export", "Export a channel variable across a bridge", EXPORT_LONG_DESC, export_function, "<varname>=<value>",
SAF_SUPPORT_NOMEDIA | SAF_ROUTING_EXEC);
SWITCH_ADD_APP(app_interface, "bridge_export", "Export a channel variable across a bridge", EXPORT_LONG_DESC, bridge_export_function, "<varname>=<value>",
SAF_SUPPORT_NOMEDIA | SAF_ROUTING_EXEC);
SWITCH_ADD_APP(app_interface, "set", "Set a channel variable", SET_LONG_DESC, set_function, "<varname>=<value>",
SAF_SUPPORT_NOMEDIA | SAF_ROUTING_EXEC);
SWITCH_ADD_APP(app_interface, "set_global", "Set a global variable", SET_GLOBAL_LONG_DESC, set_global_function, "<varname>=<value>",

115
src/switch_channel.c
View File

@ -847,29 +847,109 @@ SWITCH_DECLARE(switch_status_t) switch_channel_set_profile_var(switch_channel_t
return status;
}
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_var_check(switch_channel_t *channel, const char *varname, const char *value, switch_bool_t var_check)
{
const char *exports;
switch_status_t status = SWITCH_STATUS_FALSE;
exports = switch_channel_get_variable(channel, SWITCH_EXPORT_VARS_VARIABLE);
if ((status = switch_channel_set_variable_var_check(channel, varname, value, var_check)) != SWITCH_STATUS_SUCCESS) {
return status;
SWITCH_DECLARE(void) switch_channel_process_export(switch_channel_t *channel, switch_channel_t *peer_channel,
switch_event_t *var_event, const char *export_varname)
{
const char *export_vars = switch_channel_get_variable(channel, export_varname);
char *cptmp = switch_core_session_strdup(channel->session, export_vars);
int argc;
char *argv[256];
if (zstr(export_vars)) return;
if (var_event) {
switch_event_del_header(var_event, export_varname);
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, export_varname, export_vars);
}
if (peer_channel) {
switch_channel_set_variable(peer_channel, export_varname, export_vars);
}
if (varname && value) {
if (exports) {
switch_channel_set_variable_printf(channel, SWITCH_EXPORT_VARS_VARIABLE, "%s,%s", exports, varname);
} else {
switch_channel_set_variable(channel, SWITCH_EXPORT_VARS_VARIABLE, varname);
if ((argc = switch_separate_string(cptmp, ',', argv, (sizeof(argv) / sizeof(argv[0]))))) {
int x;
for (x = 0; x < argc; x++) {
const char *vval;
if ((vval = switch_channel_get_variable(channel, argv[x]))) {
char *vvar = argv[x];
if (!strncasecmp(vvar, "nolocal:", 8)) {
vvar += 8;
}
if (var_event) {
switch_event_del_header(var_event, vvar);
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, vvar, vval);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(channel->session), SWITCH_LOG_DEBUG,
"%s EXPORTING[%s] [%s]=[%s] to event\n",
switch_channel_get_name(channel),
export_varname,
vvar, vval);
}
if (peer_channel) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(channel->session), SWITCH_LOG_DEBUG,
"%s EXPORTING[%s] [%s]=[%s] to %s\n",
switch_channel_get_name(channel),
export_varname,
vvar, vval, switch_channel_get_name(peer_channel));
switch_channel_set_variable(peer_channel, vvar, vval);
}
}
}
}
return status;
}
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_printf(switch_channel_t *channel, const char *varname, const char *fmt, ...)
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_var_check(switch_channel_t *channel,
const char *varname, const char *val,
const char *export_varname, switch_bool_t var_check)
{
char *var_name = NULL;
const char *exports;
char *var, *new_exports, *new_exports_d = NULL;
int local = 1;
exports = switch_channel_get_variable(channel, export_varname);
var = switch_core_session_strdup(channel->session, varname);
if (var) {
if (!strncasecmp(var, "nolocal:", 8)) {
var_name = var + 8;
local = 0;
} else {
var_name = var;
}
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(channel->session), SWITCH_LOG_DEBUG, "EXPORT (%s) %s[%s]=[%s]\n",
export_varname, local ? "" : "(REMOTE ONLY) ",
var_name ? var_name : "", val ? val : "UNDEF");
switch_channel_set_variable_var_check(channel, var, val, var_check);
if (var && val) {
if (exports) {
new_exports_d = switch_mprintf("%s,%s", exports, var);
new_exports = new_exports_d;
} else {
new_exports = var;
}
switch_channel_set_variable(channel, export_varname, new_exports);
switch_safe_free(new_exports_d);
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_printf(switch_channel_t *channel, const char *varname,
const char *export_varname, const char *fmt, ...)
{
switch_status_t status = SWITCH_STATUS_FALSE;
char *data = NULL;
@ -886,7 +966,7 @@ SWITCH_DECLARE(switch_status_t) switch_channel_export_variable_printf(switch_cha
return SWITCH_STATUS_FALSE;
}
status = switch_channel_export_variable(channel, varname, data);
status = switch_channel_export_variable(channel, varname, export_varname, data);
free(data);
@ -902,6 +982,7 @@ SWITCH_DECLARE(switch_status_t) switch_channel_set_variable_var_check(switch_cha
switch_mutex_lock(channel->profile_mutex);
if (channel->variables && !zstr(varname)) {
switch_event_del_header(channel->variables, varname);
if (!zstr(value)) {
int ok = 1;
@ -3016,7 +3097,7 @@ SWITCH_DECLARE(char *) switch_channel_build_param_string(switch_channel_t *chann
new_len = (strlen(prof[x]) * 3) + 1;
if (encode_len < new_len) {
char *tmp;
encode_len = new_len;
if (!(tmp = realloc(encode_buf, encode_len))) {

11
src/switch_ivr_bridge.c
View File

@ -963,6 +963,12 @@ static const switch_state_handler_table_t signal_bridge_state_handlers = {
/*.on_hibernate */ signal_bridge_on_hibernate
};
static void check_bridge_export(switch_channel_t *channel, switch_channel_t *peer_channel)
{
switch_channel_process_export(peer_channel, channel, NULL, SWITCH_BRIDGE_EXPORT_VARS_VARIABLE);
switch_channel_process_export(channel, peer_channel, NULL, SWITCH_BRIDGE_EXPORT_VARS_VARIABLE);
}
SWITCH_DECLARE(switch_status_t) switch_ivr_signal_bridge(switch_core_session_t *session, switch_core_session_t *peer_session)
{
switch_channel_t *caller_channel = switch_core_session_get_channel(session);
@ -979,6 +985,8 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_signal_bridge(switch_core_session_t *
return SWITCH_STATUS_FALSE;
}
check_bridge_export(caller_channel, peer_channel);
switch_channel_set_flag_recursive(caller_channel, CF_SIGNAL_BRIDGE_TTL);
switch_channel_set_flag_recursive(peer_channel, CF_SIGNAL_BRIDGE_TTL);
@ -1054,7 +1062,8 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_multi_threaded_bridge(switch_core_ses
return switch_ivr_signal_bridge(session, peer_session);
}
check_bridge_export(caller_channel, peer_channel);
switch_channel_set_flag_recursive(caller_channel, CF_MEDIA_BRIDGE_TTL);
switch_channel_set_flag_recursive(peer_channel, CF_MEDIA_BRIDGE_TTL);

53
src/switch_ivr_originate.c
View File

@ -1328,7 +1328,6 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_enterprise_originate(switch_core_sess
int var_block_count = 0;
char *e = NULL;
switch_event_t *var_event = NULL;
const char *export_vars = NULL;
switch_core_new_memory_pool(&pool);
@ -1395,33 +1394,11 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_enterprise_originate(switch_core_sess
}
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, "ent_originate_aleg_uuid", switch_core_session_get_uuid(session));
/* A comma (,) separated list of variable names that should ne propagated from originator to originatee */
if (channel && (export_vars = switch_channel_get_variable(channel, SWITCH_EXPORT_VARS_VARIABLE))) {
char *cptmp = switch_core_session_strdup(session, export_vars);
int argc;
char *argv[256];
switch_event_del_header(var_event, SWITCH_EXPORT_VARS_VARIABLE);
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, SWITCH_EXPORT_VARS_VARIABLE, export_vars);
if ((argc = switch_separate_string(cptmp, ',', argv, (sizeof(argv) / sizeof(argv[0]))))) {
int x;
for (x = 0; x < argc; x++) {
const char *vval;
if ((vval = switch_channel_get_variable(channel, argv[x]))) {
char *vvar = argv[x];
if (!strncasecmp(vvar, "nolocal:", 8)) {
vvar += 8;
}
switch_event_del_header(var_event, vvar);
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, vvar, vval);
}
}
}
if (channel) {
switch_channel_process_export(channel, NULL, var_event, SWITCH_EXPORT_VARS_VARIABLE);
}
if (vars) { /* Parse parameters specified from the dialstring */
char *var_array[1024] = { 0 };
int var_count = 0;
@ -1756,7 +1733,6 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
const char *cancel_key = NULL;
const char *holding = NULL;
const char *soft_holding = NULL;
const char *export_vars = NULL;
early_state_t early_state = { 0 };
int read_packet = 0;
@ -1945,27 +1921,8 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
}
}
/* A comma (,) separated list of variable names that should ne propagated from originator to originatee */
if (caller_channel && (export_vars = switch_channel_get_variable(caller_channel, SWITCH_EXPORT_VARS_VARIABLE))) {
char *cptmp = switch_core_session_strdup(session, export_vars);
int argc;
char *argv[256];
if ((argc = switch_separate_string(cptmp, ',', argv, (sizeof(argv) / sizeof(argv[0]))))) {
int x;
for (x = 0; x < argc; x++) {
const char *vval;
if ((vval = switch_channel_get_variable(caller_channel, argv[x]))) {
char *vvar = argv[x];
if (!strncasecmp(vvar, "nolocal:", 8)) {
vvar += 8;
}
switch_event_del_header(var_event, vvar);
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, vvar, vval);
}
}
}
if (caller_channel) {
switch_channel_process_export(caller_channel, NULL, var_event, SWITCH_EXPORT_VARS_VARIABLE);
}
if (vars) { /* Parse parameters specified from the dialstring */