static void* method_config_convert_value(
const grpc_method_config* method_config) {
message_size_limits* value = gpr_malloc(sizeof(message_size_limits));
const int32_t* max_request_message_bytes =
grpc_method_config_get_max_request_message_bytes(method_config);
value->max_send_size =
max_request_message_bytes != NULL ? *max_request_message_bytes : -1;
const int32_t* max_response_message_bytes =
grpc_method_config_get_max_response_message_bytes(method_config);
value->max_recv_size =
max_response_message_bytes != NULL ? *max_response_message_bytes : -1;
return value;
}
// Constructor for call_data.
static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx,
grpc_call_element* elem,
grpc_call_element_args* args) {
channel_data* chand = elem->channel_data;
call_data* calld = elem->call_data;
calld->next_recv_message_ready = NULL;
grpc_closure_init(&calld->recv_message_ready, recv_message_ready, elem);
// Get max sizes from channel data, then merge in per-method config values.
// Note: Per-method config is only available on the client, so we
// apply the max request size to the send limit and the max response
// size to the receive limit.
calld->max_send_size = chand->max_send_size;
calld->max_recv_size = chand->max_recv_size;
if (chand->method_config_table != NULL) {
grpc_method_config* method_config =
grpc_method_config_table_get_method_config(chand->method_config_table,
args->path);
if (method_config != NULL) {
const int32_t* max_request_message_bytes =
grpc_method_config_get_max_request_message_bytes(method_config);
if (max_request_message_bytes != NULL &&
(*max_request_message_bytes < calld->max_send_size ||
calld->max_send_size < 0)) {
calld->max_send_size = *max_request_message_bytes;
}
const int32_t* max_response_message_bytes =
grpc_method_config_get_max_response_message_bytes(method_config);
if (max_response_message_bytes != NULL &&
(*max_response_message_bytes < calld->max_recv_size ||
calld->max_recv_size < 0)) {
calld->max_recv_size = *max_response_message_bytes;
}
}
}
return GRPC_ERROR_NONE;
}
