/******************************************************************************* OpenAirInterface Copyright(c) 1999 - 2014 Eurecom OpenAirInterface is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. OpenAirInterface is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenAirInterface.The full GNU General Public License is included in this distribution in the file called "COPYING". If not, see . Contact Information OpenAirInterface Admin: openair_admin@eurecom.fr OpenAirInterface Tech : openair_tech@eurecom.fr OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France. *******************************************************************************/ /*! \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 "enb_agent_common.h" #include "enb_agent_mac.h" #include "log.h" #include "assertions.h" enb_agent_message_decoded_callback agent_messages_callback[][3] = { {enb_agent_hello, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_HELLO_MSG*/ {enb_agent_echo_reply, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_ECHO_REQUEST_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_ECHO_REPLY_MSG*/ //Must add handler when receiving echo reply {enb_agent_mac_handle_stats, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_STATS_REQUEST_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_STATS_REPLY_MSG*/ {0, 0, 0}, /*PROTOCOK__PROGRAN_MESSAGE__MSG_SF_TRIGGER_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_UL_SR_INFO_MSG*/ {enb_agent_enb_config_reply, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_ENB_CONFIG_REQUEST_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_ENB_CONFIG_REPLY_MSG*/ {enb_agent_ue_config_reply, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_UE_CONFIG_REQUEST_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_UE_CONFIG_REPLY_MSG*/ {enb_agent_lc_config_reply, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_LC_CONFIG_REQUEST_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_LC_CONFIG_REPLY_MSG*/ {0, 0, 0}, /*PROTOCOL__PROGRAN_MESSAGE__MSG_DL_MAC_CONFIG_MSG*/ }; enb_agent_message_destruction_callback message_destruction_callback[] = { enb_agent_destroy_hello, enb_agent_destroy_echo_request, enb_agent_destroy_echo_reply, enb_agent_mac_destroy_stats_request, enb_agent_mac_destroy_stats_reply, enb_agent_mac_destroy_sf_trigger, enb_agent_mac_destroy_sr_info, enb_agent_destroy_enb_config_request, enb_agent_destroy_enb_config_reply, enb_agent_destroy_ue_config_request, enb_agent_destroy_ue_config_reply, enb_agent_destroy_lc_config_request, enb_agent_destroy_lc_config_reply, enb_agent_mac_destroy_dl_config, }; static const char *enb_agent_direction2String[] = { "", /* not_set */ "originating message", /* originating message */ "successfull outcome", /* successfull outcome */ "unsuccessfull outcome", /* unsuccessfull outcome */ }; Protocol__ProgranMessage* enb_agent_handle_message (mid_t mod_id, uint8_t *data, uint32_t size){ Protocol__ProgranMessage *decoded_message, *reply_message; err_code_t err_code; DevAssert(data != NULL); if (enb_agent_deserialize_message(data, size, &decoded_message) < 0) { err_code= PROTOCOL__PROGRAN_ERR__MSG_DECODING; goto error; } if ((decoded_message->msg_case > sizeof(agent_messages_callback) / (3*sizeof(enb_agent_message_decoded_callback))) || (decoded_message->msg_dir > PROTOCOL__PROGRAN_DIRECTION__UNSUCCESSFUL_OUTCOME)){ err_code= PROTOCOL__PROGRAN_ERR__MSG_NOT_HANDLED; goto error; } if (agent_messages_callback[decoded_message->msg_case-1][decoded_message->msg_dir-1] == NULL) { err_code= PROTOCOL__PROGRAN_ERR__MSG_NOT_SUPPORTED; goto error; } err_code = ((*agent_messages_callback[decoded_message->msg_case-1][decoded_message->msg_dir-1])(mod_id, (void *) decoded_message, &reply_message)); if ( err_code < 0 ){ goto error; } protocol__progran_message__free_unpacked(decoded_message, NULL); return reply_message; error: LOG_E(ENB_AGENT,"errno %d occured\n",err_code); return NULL; } void * enb_agent_pack_message(Protocol__ProgranMessage *msg, uint32_t * size){ void * buffer; err_code_t err_code = PROTOCOL__PROGRAN_ERR__NO_ERR; if (enb_agent_serialize_message(msg, &buffer, size) < 0 ) { err_code = PROTOCOL__PROGRAN_ERR__MSG_ENCODING; goto error; } // free the msg --> later keep this in the data struct and just update the values //TODO call proper destroy function err_code = ((*message_destruction_callback[msg->msg_case-1])(msg)); DevAssert(buffer !=NULL); LOG_D(ENB_AGENT,"Serilized the enb mac stats reply (size %d)\n", *size); return buffer; error : LOG_E(ENB_AGENT,"errno %d occured\n",err_code); return NULL; } Protocol__ProgranMessage *enb_agent_handle_timed_task(void *args) { err_code_t err_code; enb_agent_timer_args_t *timer_args = (enb_agent_timer_args_t *) args; Protocol__ProgranMessage *timed_task, *reply_message; timed_task = timer_args->msg; err_code = ((*agent_messages_callback[timed_task->msg_case-1][timed_task->msg_dir-1])(timer_args->mod_id, (void *) timed_task, &reply_message)); if ( err_code < 0 ){ goto error; } return reply_message; error: LOG_E(ENB_AGENT,"errno %d occured\n",err_code); return NULL; } Protocol__ProgranMessage* enb_agent_process_timeout(long timer_id, void* timer_args){ struct enb_agent_timer_element_s *found = get_timer_entry(timer_id); if (found == NULL ) goto error; LOG_I(ENB_AGENT, "Found the entry (%p): timer_id is 0x%lx 0x%lx\n", found, timer_id, found->timer_id); if (timer_args == NULL) LOG_W(ENB_AGENT,"null timer args\n"); return found->cb(timer_args); error: LOG_E(ENB_AGENT, "can't get the timer element\n"); return TIMER_ELEMENT_NOT_FOUND; } err_code_t enb_agent_destroy_progran_message(Protocol__ProgranMessage *msg) { return ((*message_destruction_callback[msg->msg_case-1])(msg)); }