status_t
multi_audio_control(void* cookie, uint32 op, void* arg, size_t len)
{
switch(op) {
case B_MULTI_GET_DESCRIPTION: return get_description(cookie, arg);
case B_MULTI_GET_EVENT_INFO: return B_ERROR;
case B_MULTI_SET_EVENT_INFO: return B_ERROR;
case B_MULTI_GET_EVENT: return B_ERROR;
case B_MULTI_GET_ENABLED_CHANNELS: return get_enabled_channels(cookie, arg);
case B_MULTI_SET_ENABLED_CHANNELS: return B_OK;
case B_MULTI_GET_GLOBAL_FORMAT: return get_global_format(cookie, arg);
case B_MULTI_SET_GLOBAL_FORMAT: return set_global_format(cookie, arg);
case B_MULTI_GET_CHANNEL_FORMATS: return B_ERROR;
case B_MULTI_SET_CHANNEL_FORMATS: return B_ERROR;
case B_MULTI_GET_MIX: return B_ERROR;
case B_MULTI_SET_MIX: return B_ERROR;
case B_MULTI_LIST_MIX_CHANNELS: return list_mix_channels(cookie, arg);
case B_MULTI_LIST_MIX_CONTROLS: return list_mix_controls(cookie, arg);
case B_MULTI_LIST_MIX_CONNECTIONS: return list_mix_connections(cookie, arg);
case B_MULTI_GET_BUFFERS: return get_buffers(cookie, arg);
case B_MULTI_SET_BUFFERS: return B_ERROR;
case B_MULTI_SET_START_TIME: return B_ERROR;
case B_MULTI_BUFFER_EXCHANGE: return buffer_exchange(cookie, arg);
case B_MULTI_BUFFER_FORCE_STOP: return buffer_force_stop(cookie);
}
dprintf("null_audio: %s - unknown op\n" , __func__);
return B_BAD_VALUE;
}
static switch_status_t load_config(void)
{
char *cf = "syslog.conf";
switch_xml_t cfg, xml, settings, param;
/* default log level */
log_level = SWITCH_LOG_WARNING;
/* default facility */
globals.facility = DEFAULT_FACILITY;
globals.log_uuid = SWITCH_TRUE;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf);
} else {
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcmp(var, "ident")) {
set_global_ident(val);
} else if (!strcmp(var, "format")) {
set_global_format(val);
} else if (!strcmp(var, "facility")) {
set_global_facility(val);
} else if (!strcasecmp(var, "loglevel") && !zstr(val)) {
log_level = switch_log_str2level(val);
if (log_level == SWITCH_LOG_INVALID) {
log_level = SWITCH_LOG_WARNING;
}
} else if (!strcasecmp(var, "uuid")) {
globals.log_uuid = switch_true(val);
}
}
}
switch_xml_free(xml);
}
if (zstr(globals.ident)) {
set_global_ident(DEFAULT_IDENT);
}
if (zstr(globals.format)) {
set_global_format(DEFAULT_FORMAT);
}
return 0;
}
static status_t
multi_audio_control_generic(cookie_type* cookie, uint32 op, void* arg, size_t len)
{
status_t status;
switch (op) {
case B_MULTI_GET_DESCRIPTION:
{
multi_description description;
multi_channel_info channels[16];
multi_channel_info* originalChannels;
if (user_memcpy(&description, arg, sizeof(multi_description))
!= B_OK)
return B_BAD_ADDRESS;
originalChannels = description.channels;
description.channels = channels;
if (description.request_channel_count > 16)
description.request_channel_count = 16;
status = get_description(cookie, &description);
if (status != B_OK)
return status;
description.channels = originalChannels;
if (user_memcpy(arg, &description, sizeof(multi_description))
!= B_OK)
return B_BAD_ADDRESS;
return user_memcpy(originalChannels, channels,
sizeof(multi_channel_info) * description.request_channel_count);
}
case B_MULTI_GET_ENABLED_CHANNELS:
{
multi_channel_enable* data = (multi_channel_enable*)arg;
multi_channel_enable enable;
uint32 enable_bits;
uchar* orig_enable_bits;
if (user_memcpy(&enable, data, sizeof(enable)) != B_OK
|| !IS_USER_ADDRESS(enable.enable_bits)) {
return B_BAD_ADDRESS;
}
orig_enable_bits = enable.enable_bits;
enable.enable_bits = (uchar*)&enable_bits;
status = get_enabled_channels(cookie, &enable);
if (status != B_OK)
return status;
enable.enable_bits = orig_enable_bits;
if (user_memcpy(enable.enable_bits, &enable_bits,
sizeof(enable_bits)) < B_OK
|| user_memcpy(arg, &enable, sizeof(multi_channel_enable)) < B_OK) {
return B_BAD_ADDRESS;
}
return B_OK;
}
case B_MULTI_SET_ENABLED_CHANNELS:
return B_OK;
case B_MULTI_GET_GLOBAL_FORMAT:
{
multi_format_info info;
if (user_memcpy(&info, arg, sizeof(multi_format_info)) != B_OK)
return B_BAD_ADDRESS;
status = get_global_format(cookie, &info);
if (status != B_OK)
return B_OK;
return user_memcpy(arg, &info, sizeof(multi_format_info));
}
case B_MULTI_SET_GLOBAL_FORMAT:
{
multi_format_info info;
if (user_memcpy(&info, arg, sizeof(multi_format_info)) != B_OK)
return B_BAD_ADDRESS;
status = set_global_format(cookie, &info);
if (status != B_OK)
return B_OK;
return user_memcpy(arg, &info, sizeof(multi_format_info));
}
case B_MULTI_LIST_MIX_CHANNELS:
return list_mix_channels(cookie, (multi_mix_channel_info*)arg);
case B_MULTI_LIST_MIX_CONTROLS:
{
multi_mix_control_info info;
multi_mix_control* original_controls;
size_t allocSize;
multi_mix_control *controls;
if (user_memcpy(&info, arg, sizeof(multi_mix_control_info)) != B_OK)
return B_BAD_ADDRESS;
original_controls = info.controls;
allocSize = sizeof(multi_mix_control) * info.control_count;
controls = (multi_mix_control *)malloc(allocSize);
if (controls == NULL)
return B_NO_MEMORY;
if (!IS_USER_ADDRESS(info.controls)
|| user_memcpy(controls, info.controls, allocSize) < B_OK) {
free(controls);
return B_BAD_ADDRESS;
}
info.controls = controls;
status = list_mix_controls(cookie, &info);
if (status != B_OK) {
free(controls);
return status;
}
info.controls = original_controls;
status = user_memcpy(info.controls, controls, allocSize);
if (status == B_OK)
status = user_memcpy(arg, &info, sizeof(multi_mix_control_info));
if (status != B_OK)
status = B_BAD_ADDRESS;
free(controls);
return status;
}
case B_MULTI_LIST_MIX_CONNECTIONS:
return list_mix_connections(cookie,
(multi_mix_connection_info*)arg);
case B_MULTI_GET_MIX:
{
multi_mix_value_info info;
multi_mix_value* original_values;
size_t allocSize;
multi_mix_value *values;
if (user_memcpy(&info, arg, sizeof(multi_mix_value_info)) != B_OK)
return B_BAD_ADDRESS;
original_values = info.values;
allocSize = sizeof(multi_mix_value) * info.item_count;
values = (multi_mix_value *)malloc(allocSize);
if (values == NULL)
return B_NO_MEMORY;
if (!IS_USER_ADDRESS(info.values)
|| user_memcpy(values, info.values, allocSize) < B_OK) {
free(values);
return B_BAD_ADDRESS;
}
info.values = values;
status = get_mix(cookie, &info);
if (status != B_OK) {
free(values);
return status;
}
info.values = original_values;
status = user_memcpy(info.values, values, allocSize);
if (status == B_OK)
status = user_memcpy(arg, &info, sizeof(multi_mix_value_info));
if (status != B_OK)
status = B_BAD_ADDRESS;
free(values);
return status;
}
case B_MULTI_SET_MIX:
{
multi_mix_value_info info;
multi_mix_value* original_values;
size_t allocSize;
multi_mix_value *values;
if (user_memcpy(&info, arg, sizeof(multi_mix_value_info)) != B_OK)
return B_BAD_ADDRESS;
original_values = info.values;
allocSize = sizeof(multi_mix_value) * info.item_count;
values = (multi_mix_value *)malloc(allocSize);
if (values == NULL)
return B_NO_MEMORY;
if (!IS_USER_ADDRESS(info.values)
|| user_memcpy(values, info.values, allocSize) < B_OK) {
free(values);
return B_BAD_ADDRESS;
}
info.values = values;
status = set_mix(cookie, &info);
if (status != B_OK) {
free(values);
return status;
}
info.values = original_values;
status = user_memcpy(info.values, values, allocSize);
if (status == B_OK)
status = user_memcpy(arg, &info, sizeof(multi_mix_value_info));
if (status != B_OK)
status = B_BAD_ADDRESS;
free(values);
return status;
}
case B_MULTI_GET_BUFFERS:
{
multi_buffer_list list;
if (user_memcpy(&list, arg, sizeof(multi_buffer_list)) != B_OK)
return B_BAD_ADDRESS;
{
buffer_desc **original_playback_descs = list.playback_buffers;
buffer_desc **original_record_descs = list.record_buffers;
buffer_desc *playback_descs[list.request_playback_buffers];
buffer_desc *record_descs[list.request_record_buffers];
if (!IS_USER_ADDRESS(list.playback_buffers)
|| user_memcpy(playback_descs, list.playback_buffers,
sizeof(buffer_desc*) * list.request_playback_buffers)
< B_OK
|| !IS_USER_ADDRESS(list.record_buffers)
|| user_memcpy(record_descs, list.record_buffers,
sizeof(buffer_desc*) * list.request_record_buffers)
< B_OK) {
return B_BAD_ADDRESS;
}
list.playback_buffers = playback_descs;
list.record_buffers = record_descs;
status = get_buffers(cookie, &list);
if (status != B_OK)
return status;
list.playback_buffers = original_playback_descs;
list.record_buffers = original_record_descs;
if (user_memcpy(arg, &list, sizeof(multi_buffer_list)) < B_OK
|| user_memcpy(original_playback_descs, playback_descs,
sizeof(buffer_desc*) * list.request_playback_buffers)
< B_OK
|| user_memcpy(original_record_descs, record_descs,
sizeof(buffer_desc*) * list.request_record_buffers)
< B_OK) {
status = B_BAD_ADDRESS;
}
}
return status;
}
case B_MULTI_BUFFER_EXCHANGE:
return buffer_exchange(cookie, (multi_buffer_info*)arg);
case B_MULTI_BUFFER_FORCE_STOP:
return buffer_force_stop(cookie);
case B_MULTI_GET_EVENT_INFO:
case B_MULTI_SET_EVENT_INFO:
case B_MULTI_GET_EVENT:
case B_MULTI_GET_CHANNEL_FORMATS:
case B_MULTI_SET_CHANNEL_FORMATS:
case B_MULTI_SET_BUFFERS:
case B_MULTI_SET_START_TIME:
return B_ERROR;
}
return B_BAD_VALUE;
}
