147 lines
5.1 KiB
C
147 lines
5.1 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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/*! \file enb_agent_handler.c
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* \brief enb agent tx and rx message handler
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* \author Navid Nikaein and Xenofon Foukas
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* \date 2016
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* \version 0.1
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*/
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#include "proto_agent_common.h"
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#include "common/utils/LOG/log.h"
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#include "assertions.h"
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proto_agent_message_decoded_callback proto_agent_messages_callback[][3] = {
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{proto_agent_hello, 0, 0}, /* agent hello */
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{proto_agent_echo_reply, 0, 0}, /* echo */
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{0, just_print, 0}, /* just print */
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{proto_agent_pdcp_data_req_process, proto_agent_pdcp_data_req_process, 0}, /* PDCP data REQ */
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{0, proto_agent_get_ack_result, 0}, /* get ACK result */
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{proto_agent_pdcp_data_ind_process, proto_agent_pdcp_data_ind_process, 0}, /* PDCP data IND */
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{0, just_print, 0}, /* just print */
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};
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proto_agent_message_destruction_callback proto_message_destruction_callback[] = {
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proto_agent_destroy_hello,
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proto_agent_destroy_echo_request,
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proto_agent_destroy_echo_reply,
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proto_agent_destroy_pdcp_data_req,
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0,
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proto_agent_destroy_pdcp_data_ind,
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0,
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};
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//static const char *proto_agent_direction2String[] = {
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// "", /* not_set */
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// "originating message", /* originating message */
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// "successfull outcome", /* successfull outcome */
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// "unsuccessfull outcome", /* unsuccessfull outcome */
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//};
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Protocol__FlexsplitMessage* proto_agent_handle_message (mod_id_t mod_id,
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uint8_t *data,
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int size){
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Protocol__FlexsplitMessage *decoded_message = NULL;
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Protocol__FlexsplitMessage *reply_message = NULL;
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err_code_t err_code;
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DevAssert(data != NULL);
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LOG_D(PROTO_AGENT, "Deserializing message with size %u \n", size);
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if (proto_agent_deserialize_message(data, (int) size, &decoded_message) < 0) {
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err_code= PROTOCOL__FLEXSPLIT_ERR__MSG_DECODING;
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goto error;
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}
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/* after deserialization, we don't need the original data memory anymore */
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free(data);
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Protocol__FspHeader *header = (Protocol__FspHeader*) decoded_message;
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if (header->has_type)
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{
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LOG_D(PROTO_AGENT, "Deserialized MSG type is %d and %u\n", decoded_message->msg_case, decoded_message->msg_dir);
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}
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if ((decoded_message->msg_case > sizeof(proto_agent_messages_callback) / (3*sizeof(proto_agent_message_decoded_callback))) ||
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(decoded_message->msg_dir > PROTOCOL__FLEXSPLIT_DIRECTION__UNSUCCESSFUL_OUTCOME))
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{
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err_code= PROTOCOL__FLEXSPLIT_ERR__MSG_NOT_HANDLED;
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LOG_D(PROTO_AGENT,"Handling message: MSG NOT handled, going to error\n");
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goto error;
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}
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err_code = ((*proto_agent_messages_callback[decoded_message->msg_case-1][decoded_message->msg_dir-1])(mod_id, (void *) decoded_message, &reply_message));
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if ( err_code < 0 )
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{
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LOG_I(PROTO_AGENT, "decoded_message case : %d, direction : %d \n", decoded_message->msg_case-1, decoded_message->msg_dir-1);
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goto error;
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}
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protocol__flexsplit_message__free_unpacked(decoded_message, NULL);
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LOG_D(PROTO_AGENT,"Returning REPLY message after the callback\n");
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return reply_message;
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error:
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LOG_E(PROTO_AGENT,"errno %d occured\n",err_code);
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return NULL;
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}
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uint8_t *proto_agent_pack_message(Protocol__FlexsplitMessage *msg, int *size)
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{
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uint8_t *buffer;
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err_code_t err_code = PROTOCOL__FLEXSPLIT_ERR__NO_ERR;
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if (proto_agent_serialize_message(msg, &buffer, size) < 0 ) {
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err_code = PROTOCOL__FLEXSPLIT_ERR__MSG_ENCODING;
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goto error;
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}
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if (proto_message_destruction_callback[msg->msg_case-1])
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err_code = ((*proto_message_destruction_callback[msg->msg_case-1])(msg));
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DevAssert(buffer !=NULL);
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LOG_D(PROTO_AGENT,"Serialized the enb mac stats reply (size %d)\n", *size);
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return buffer;
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error :
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LOG_E(PROTO_AGENT,"errno %d occured\n",err_code);
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return NULL;
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}
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err_code_t proto_agent_destroy_flexsplit_message(Protocol__FlexsplitMessage *msg) {
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return ((*proto_message_destruction_callback[msg->msg_case-1])(msg));
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}
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