1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/*******************************************************************************
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 <http://www.gnu.org/licenses/>.
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 "proto_agent_common.h"
#include "log.h"
#include "assertions.h"
proto_agent_message_decoded_callback agent_messages_callback[][3] = {
{proto_agent_hello, 0, 0},
{proto_agent_echo_reply, 0, 0},
{0, just_print, 0},
{proto_agent_pdcp_data_req_ack, 0, 0},
{0, proto_agent_get_ack_result, 0},
{proto_agent_pdcp_data_ind_ack, 0, 0},
{0, just_print, 0},
};
proto_agent_message_destruction_callback message_destruction_callback[] = {
proto_agent_destroy_hello,
proto_agent_destroy_echo_request,
proto_agent_destroy_echo_reply,
proto_agent_destroy_pdcp_data_req,
proto_agent_destroy_pdcp_data_req_ack,
proto_agent_destroy_pdcp_data_ind,
proto_agent_destroy_pdcp_data_ind_ack,
};
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 (mid_t mod_id,
uint8_t *data,
uint32_t 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;
}
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(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 = ((*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;
}
else if (err_code == 1)
{
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;
}
void * proto_agent_pack_message(Protocol__FlexsplitMessage *msg,
uint32_t * size){
void * 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;
}
//TODO call proper destroy function
err_code = ((*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 ((*message_destruction_callback[msg->msg_case-1])(msg));
}