139 lines
4.9 KiB
C
139 lines
4.9 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI 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.openairinterface.org/?page_id=698
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
/*! \file enb_agent_handler.c
|
|
* \brief enb agent tx and rx message handler
|
|
* \author Navid Nikaein and Xenofon Foukas
|
|
* \date 2016
|
|
* \version 0.1
|
|
*/
|
|
|
|
|
|
#include "proto_agent_common.h"
|
|
#include "common/utils/LOG/log.h"
|
|
#include "assertions.h"
|
|
|
|
proto_agent_message_decoded_callback proto_agent_messages_callback[][3] = {
|
|
{proto_agent_hello, 0, 0}, /* agent hello */
|
|
{proto_agent_echo_reply, 0, 0}, /* echo */
|
|
{0, just_print, 0}, /* just print */
|
|
{proto_agent_pdcp_data_req_process, proto_agent_pdcp_data_req_process, 0}, /* PDCP data REQ */
|
|
{0, proto_agent_get_ack_result, 0}, /* get ACK result */
|
|
{proto_agent_pdcp_data_ind_process, proto_agent_pdcp_data_ind_process, 0}, /* PDCP data IND */
|
|
{0, just_print, 0}, /* just print */
|
|
};
|
|
|
|
proto_agent_message_destruction_callback proto_message_destruction_callback[] = {
|
|
proto_agent_destroy_hello,
|
|
proto_agent_destroy_echo_request,
|
|
proto_agent_destroy_echo_reply,
|
|
proto_agent_destroy_pdcp_data_req,
|
|
0,
|
|
proto_agent_destroy_pdcp_data_ind,
|
|
0,
|
|
};
|
|
|
|
//static const char *proto_agent_direction2String[] = {
|
|
// "", /* not_set */
|
|
// "originating message", /* originating message */
|
|
// "successfull outcome", /* successfull outcome */
|
|
// "unsuccessfull outcome", /* unsuccessfull outcome */
|
|
//};
|
|
|
|
|
|
Protocol__FlexsplitMessage* proto_agent_handle_message (mod_id_t mod_id,
|
|
uint8_t *data,
|
|
int size){
|
|
|
|
Protocol__FlexsplitMessage *decoded_message = NULL;
|
|
Protocol__FlexsplitMessage *reply_message = NULL;
|
|
err_code_t err_code;
|
|
DevAssert(data != NULL);
|
|
|
|
LOG_D(PROTO_AGENT, "Deserializing message with size %u \n", size);
|
|
if (proto_agent_deserialize_message(data, (int) size, &decoded_message) < 0) {
|
|
err_code= PROTOCOL__FLEXSPLIT_ERR__MSG_DECODING;
|
|
goto error;
|
|
}
|
|
/* after deserialization, we don't need the original data memory anymore */
|
|
free(data);
|
|
Protocol__FspHeader *header = (Protocol__FspHeader*) decoded_message;
|
|
if (header->has_type)
|
|
{
|
|
LOG_D(PROTO_AGENT, "Deserialized MSG type is %d and %u\n", decoded_message->msg_case, decoded_message->msg_dir);
|
|
}
|
|
|
|
if ((decoded_message->msg_case > sizeof(proto_agent_messages_callback) / (3*sizeof(proto_agent_message_decoded_callback))) ||
|
|
(decoded_message->msg_dir > PROTOCOL__FLEXSPLIT_DIRECTION__UNSUCCESSFUL_OUTCOME))
|
|
{
|
|
err_code= PROTOCOL__FLEXSPLIT_ERR__MSG_NOT_HANDLED;
|
|
LOG_D(PROTO_AGENT,"Handling message: MSG NOT handled, going to error\n");
|
|
goto error;
|
|
}
|
|
|
|
|
|
err_code = ((*proto_agent_messages_callback[decoded_message->msg_case-1][decoded_message->msg_dir-1])(mod_id, (void *) decoded_message, &reply_message));
|
|
|
|
if ( err_code < 0 )
|
|
{
|
|
LOG_I(PROTO_AGENT, "decoded_message case : %d, direction : %d \n", decoded_message->msg_case-1, decoded_message->msg_dir-1);
|
|
goto error;
|
|
}
|
|
|
|
protocol__flexsplit_message__free_unpacked(decoded_message, NULL);
|
|
LOG_D(PROTO_AGENT,"Returning REPLY message after the callback\n");
|
|
return reply_message;
|
|
|
|
error:
|
|
LOG_E(PROTO_AGENT,"errno %d occured\n",err_code);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
uint8_t *proto_agent_pack_message(Protocol__FlexsplitMessage *msg, int *size)
|
|
{
|
|
uint8_t *buffer;
|
|
err_code_t err_code = PROTOCOL__FLEXSPLIT_ERR__NO_ERR;
|
|
|
|
if (proto_agent_serialize_message(msg, &buffer, size) < 0 ) {
|
|
err_code = PROTOCOL__FLEXSPLIT_ERR__MSG_ENCODING;
|
|
goto error;
|
|
}
|
|
|
|
if (proto_message_destruction_callback[msg->msg_case-1])
|
|
err_code = ((*proto_message_destruction_callback[msg->msg_case-1])(msg));
|
|
|
|
DevAssert(buffer !=NULL);
|
|
|
|
LOG_D(PROTO_AGENT,"Serialized the enb mac stats reply (size %d)\n", *size);
|
|
return buffer;
|
|
|
|
error :
|
|
LOG_E(PROTO_AGENT,"errno %d occured\n",err_code);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
err_code_t proto_agent_destroy_flexsplit_message(Protocol__FlexsplitMessage *msg) {
|
|
return ((*proto_message_destruction_callback[msg->msg_case-1])(msg));
|
|
}
|