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oai
cn5g
oai-cn5g-smf
Commits
803292a9
Commit
803292a9
authored
May 20, 2020
by
Tien-Thinh Nguyen
Browse files
Add network-initiated service request procedure/ code cleanup
parent
e20bc2a9
Changes
15
Expand all
Hide whitespace changes
Inline
Side-by-side
src/common/msg/itti_msg_n11.hpp
View file @
803292a9
...
...
@@ -300,7 +300,8 @@ class itti_n11_n1n2_message_transfer_response_status : public itti_n11_msg {
dest
),
scid
(
0
),
response_code
(
0
),
msg_type
(
0
)
{
msg_type
(
0
),
procedure_type
(
session_management_procedures_type_e
::
PROCEDURE_TYPE_UNKNOWN
)
{
}
itti_n11_n1n2_message_transfer_response_status
(
const
itti_n11_n1n2_message_transfer_response_status
&
i
)
...
...
@@ -308,7 +309,8 @@ class itti_n11_n1n2_message_transfer_response_status : public itti_n11_msg {
itti_n11_msg
(
i
),
scid
(
i
.
scid
),
response_code
(
i
.
response_code
),
msg_type
(
i
.
msg_type
)
{
msg_type
(
i
.
msg_type
),
procedure_type
(
i
.
procedure_type
)
{
}
itti_n11_n1n2_message_transfer_response_status
(
const
itti_n11_n1n2_message_transfer_response_status
&
i
,
...
...
@@ -317,7 +319,8 @@ class itti_n11_n1n2_message_transfer_response_status : public itti_n11_msg {
itti_n11_msg
(
i
,
orig
,
dest
),
scid
(
i
.
scid
),
response_code
(
i
.
response_code
),
msg_type
(
i
.
msg_type
)
{
msg_type
(
i
.
msg_type
),
procedure_type
(
i
.
procedure_type
)
{
}
const
char
*
get_msg_name
()
{
return
"N11_SESSION_N1N2_MESSAGE_TRANSFER_RESPONSE_STATUS"
;
...
...
@@ -339,10 +342,15 @@ class itti_n11_n1n2_message_transfer_response_status : public itti_n11_msg {
msg_type
=
type
;
}
;
void
set_procedure_type
(
session_management_procedures_type_e
type
)
{
procedure_type
=
type
;
}
;
scid_t
scid
;
//SM Context ID
int16_t
response_code
;
std
::
string
cause
;
uint8_t
msg_type
;
session_management_procedures_type_e
procedure_type
;
};
...
...
@@ -396,8 +404,8 @@ class itti_n11_release_sm_context_request : public itti_n11_msg {
class
itti_n11_release_sm_context_response
:
public
itti_n11_msg
{
public:
itti_n11_release_sm_context_response
(
const
task_id_t
orig
,
const
task_id_t
dest
,
Pistache
::
Http
::
ResponseWriter
&
response
)
const
task_id_t
dest
,
Pistache
::
Http
::
ResponseWriter
&
response
)
:
itti_n11_msg
(
N11_SESSION_RELEASE_SM_CONTEXT_RESPONSE
,
orig
,
dest
),
http_response
(
response
.
clone
()),
...
...
@@ -427,5 +435,30 @@ class itti_n11_release_sm_context_response : public itti_n11_msg {
};
//-----------------------------------------------------------------------------
class
itti_n11_session_report_request
:
public
itti_n11_msg
{
public:
itti_n11_session_report_request
(
const
task_id_t
orig
,
const
task_id_t
dest
)
:
itti_n11_msg
(
N11_SESSION_REPORT_RESPONSE
,
orig
,
dest
),
res
()
{
}
itti_n11_session_report_request
(
const
itti_n11_session_report_request
&
i
)
:
itti_n11_msg
(
i
)
{
}
itti_n11_session_report_request
(
const
itti_n11_session_report_request
&
i
,
const
task_id_t
orig
,
const
task_id_t
dest
)
:
itti_n11_msg
(
i
,
orig
,
dest
),
res
(
i
.
res
)
{
}
const
char
*
get_msg_name
()
{
return
"N11_SESSION_REPORT_RESPONSE"
;
}
;
smf
::
pdu_session_report_response
res
;
};
#endif
/* ITTI_MSG_N11_HPP_INCLUDED_ */
src/common/smf.h
View file @
803292a9
...
...
@@ -109,22 +109,23 @@ enum class http_response_codes_e {
//From 23.502
enum
class
session_management_procedures_type_e
{
PDU_SESSION_ESTABLISHMENT_UE_REQUESTED
=
0
,
SERVICE_REQUEST_UE_TRIGGERED_STEP1
=
1
,
SERVICE_REQUEST_UE_TRIGGERED_STEP2
=
2
,
SERVICE_REQUEST_NETWORK_TRIGGERED
=
3
,
PDU_SESSION_MODIFICATION_UE_INITIATED_STEP1
=
4
,
PDU_SESSION_MODIFICATION_UE_INITIATED_STEP2
=
5
,
PDU_SESSION_MODIFICATION_UE_INITIATED_STEP3
=
6
,
PDU_SESSION_MODIFICATION_SMF_REQUESTED
=
7
,
PDU_SESSION_MODIFICATION_AN_REQUESTED
=
8
,
PDU_SESSION_RELEASE_UE_REQUESTED_STEP1
=
9
,
PDU_SESSION_RELEASE_UE_REQUESTED_STEP2
=
10
,
PDU_SESSION_RELEASE_UE_REQUESTED_STEP3
=
11
,
PDU_SESSION_RELEASE_SMF_INITIATED
=
12
,
PDU_SESSION_RELEASE_AMF_INITIATED
=
13
,
PDU_SESSION_RELEASE_AN_INITIATED
=
14
,
PDU_SESSION_TEST
=
15
PROCEDURE_TYPE_UNKNOWN
=
0
,
PDU_SESSION_ESTABLISHMENT_UE_REQUESTED
=
1
,
SERVICE_REQUEST_UE_TRIGGERED_STEP1
=
2
,
SERVICE_REQUEST_UE_TRIGGERED_STEP2
=
3
,
SERVICE_REQUEST_NETWORK_TRIGGERED
=
4
,
PDU_SESSION_MODIFICATION_UE_INITIATED_STEP1
=
5
,
PDU_SESSION_MODIFICATION_UE_INITIATED_STEP2
=
6
,
PDU_SESSION_MODIFICATION_UE_INITIATED_STEP3
=
7
,
PDU_SESSION_MODIFICATION_SMF_REQUESTED
=
8
,
PDU_SESSION_MODIFICATION_AN_REQUESTED
=
9
,
PDU_SESSION_RELEASE_UE_REQUESTED_STEP1
=
10
,
PDU_SESSION_RELEASE_UE_REQUESTED_STEP2
=
11
,
PDU_SESSION_RELEASE_UE_REQUESTED_STEP3
=
12
,
PDU_SESSION_RELEASE_SMF_INITIATED
=
13
,
PDU_SESSION_RELEASE_AMF_INITIATED
=
14
,
PDU_SESSION_RELEASE_AN_INITIATED
=
15
,
PDU_SESSION_TEST
=
16
};
static
const
std
::
vector
<
std
::
string
>
session_management_procedures_type_e2str
=
...
...
@@ -190,9 +191,12 @@ static const std::vector<std::string> multipart_related_content_part_e2str = {
#define AMF_NUMBER_RETRIES 3
#define UDM_CURL_TIMEOUT_MS 100L
#define UDM_NUMBER_RETRIES 3
constexpr
auto
CURL_MIME_BOUNDARY
=
"----Boundary"
;
//for N1N2
#define BUF_LEN 512
//for PFCP
constexpr
uint64_t
SECONDS_SINCE_FIRST_EPOCH
=
2208988800
;
#endif
src/itti/itti_msg.hpp
View file @
803292a9
...
...
@@ -116,6 +116,7 @@ typedef enum {
N11_SESSION_N1N2_MESSAGE_TRANSFER_RESPONSE_STATUS
,
N11_SESSION_RELEASE_SM_CONTEXT_REQUEST
,
N11_SESSION_RELEASE_SM_CONTEXT_RESPONSE
,
N11_SESSION_REPORT_RESPONSE
,
NX_TRIGGER_SESSION_MODIFICATION
,
UDP_INIT
,
UDP_DATA_REQ
,
...
...
src/smf_app/smf_app.cpp
View file @
803292a9
...
...
@@ -383,28 +383,57 @@ void smf_app::handle_itti_msg(
Logger
::
smf_app
().
info
(
"Process N1N2MessageTransfer Response"
);
//Update PDU Session accordingly
//TODO: to be completed (process cause)
pdu_session_status_e
status
=
{
pdu_session_status_e
::
PDU_SESSION_INACTIVE
};
upCnx_state_e
state
=
{
upCnx_state_e
::
UPCNX_STATE_DEACTIVATED
};
if
((
static_cast
<
http_response_codes_e
>
(
m
.
response_code
)
==
http_response_codes_e
::
HTTP_RESPONSE_CODE_OK
)
or
(
static_cast
<
http_response_codes_e
>
(
m
.
response_code
)
==
http_response_codes_e
::
HTTP_RESPONSE_CODE_ACCEPTED
))
{
if
(
m
.
msg_type
==
PDU_SESSION_ESTABLISHMENT_REJECT
)
{
status
=
pdu_session_status_e
::
PDU_SESSION_INACTIVE
;
}
else
if
(
m
.
msg_type
==
PDU_SESSION_ESTABLISHMENT_ACCEPT
)
{
status
=
pdu_session_status_e
::
PDU_SESSION_ESTABLISHMENT_PENDING
;
state
=
upCnx_state_e
::
UPCNX_STATE_ACTIVATING
;
switch
(
m
.
procedure_type
)
{
case
session_management_procedures_type_e
::
PDU_SESSION_ESTABLISHMENT_UE_REQUESTED
:
{
pdu_session_status_e
status
=
{
pdu_session_status_e
::
PDU_SESSION_INACTIVE
};
upCnx_state_e
state
=
{
upCnx_state_e
::
UPCNX_STATE_DEACTIVATED
};
if
((
static_cast
<
http_response_codes_e
>
(
m
.
response_code
)
==
http_response_codes_e
::
HTTP_RESPONSE_CODE_OK
)
or
(
static_cast
<
http_response_codes_e
>
(
m
.
response_code
)
==
http_response_codes_e
::
HTTP_RESPONSE_CODE_ACCEPTED
))
{
if
(
m
.
msg_type
==
PDU_SESSION_ESTABLISHMENT_REJECT
)
{
status
=
pdu_session_status_e
::
PDU_SESSION_INACTIVE
;
}
else
if
(
m
.
msg_type
==
PDU_SESSION_ESTABLISHMENT_ACCEPT
)
{
status
=
pdu_session_status_e
::
PDU_SESSION_ESTABLISHMENT_PENDING
;
state
=
upCnx_state_e
::
UPCNX_STATE_ACTIVATING
;
}
update_pdu_session_status
(
m
.
scid
,
status
);
update_pdu_session_upCnx_state
(
m
.
scid
,
state
);
Logger
::
smf_app
().
debug
(
"Got successful response from AMF (Response code %d), set session status to %s"
,
m
.
response_code
,
pdu_session_status_e2str
[
static_cast
<
int
>
(
status
)].
c_str
());
}
else
{
//TODO:
Logger
::
smf_app
().
debug
(
"Got response from AMF (Response code %d)"
,
m
.
response_code
);
}
}
break
;
case
session_management_procedures_type_e
::
SERVICE_REQUEST_NETWORK_TRIGGERED
:
{
if
((
static_cast
<
http_response_codes_e
>
(
m
.
response_code
)
==
http_response_codes_e
::
HTTP_RESPONSE_CODE_OK
)
or
(
static_cast
<
http_response_codes_e
>
(
m
.
response_code
)
==
http_response_codes_e
::
HTTP_RESPONSE_CODE_ACCEPTED
))
{
//TODO:
Logger
::
smf_app
().
debug
(
"Got successful response from AMF (Response code %d)"
,
m
.
response_code
);
}
else
{
//TODO:
Logger
::
smf_app
().
debug
(
"Got response from AMF (Response code %d)"
,
m
.
response_code
);
//send failure indication to UPF
}
}
break
;
default:
{
}
update_pdu_session_status
(
m
.
scid
,
status
);
update_pdu_session_upCnx_state
(
m
.
scid
,
state
);
Logger
::
smf_app
().
debug
(
"Got successful response from AMF (Response code %d), set session status to %s"
,
m
.
response_code
,
pdu_session_status_e2str
[
static_cast
<
int
>
(
status
)].
c_str
());
}
else
{
//TODO:
Logger
::
smf_app
().
debug
(
"Got response from AMF (Response code %d)"
,
m
.
response_code
);
}
}
...
...
@@ -516,6 +545,7 @@ void smf_app::handle_pdu_session_create_sm_context_request(
//Get necessary information
supi_t
supi
=
smreq
->
req
.
get_supi
();
std
::
string
supi_prefix
=
smreq
->
req
.
get_supi_prefix
();
supi64_t
supi64
=
smf_supi_to_u64
(
supi
);
std
::
string
dnn
=
smreq
->
req
.
get_dnn
();
snssai_t
snssai
=
smreq
->
req
.
get_snssai
();
...
...
@@ -628,6 +658,7 @@ void smf_app::handle_pdu_session_create_sm_context_request(
"Create a new SMF context with SUPI "
SUPI_64_FMT
""
,
supi64
);
sc
=
std
::
shared_ptr
<
smf_context
>
(
new
smf_context
());
sc
.
get
()
->
set_supi
(
supi
);
sc
.
get
()
->
set_supi_prefix
(
supi_prefix
);
set_supi_2_smf_context
(
supi64
,
sc
);
}
...
...
@@ -894,10 +925,10 @@ void smf_app::handle_pdu_session_release_sm_context_request(
}
//------------------------------------------------------------------------------
void
smf_app
::
trigger_pdu_session_modification
(
supi_t
&
supi
,
std
::
string
&
dnn
,
pdu_session_id_t
pdu_session_id
,
snssai_t
&
snssai
,
pfcp
::
qfi_t
&
qfi
)
{
void
smf_app
::
trigger_pdu_session_modification
(
const
supi_t
&
supi
,
const
std
::
string
&
dnn
,
const
pdu_session_id_t
pdu_session_id
,
const
snssai_t
&
snssai
,
const
pfcp
::
qfi_t
&
qfi
)
{
//SMF-requested session modification, see section 4.3.3.2@3GPP TS 23.502
//The SMF may decide to modify PDU Session. This procedure also may be
//triggered based on locally configured policy or triggered from the (R)AN (see clause 4.2.6 and clause 4.9.1).
...
...
@@ -1007,22 +1038,22 @@ bool smf_app::use_local_configuration_subscription_data(
}
//------------------------------------------------------------------------------
bool
smf_app
::
is_supi_dnn_snssai_subscription_data
(
supi_t
&
supi
,
std
::
string
&
dnn
,
snssai_t
&
snssai
)
{
bool
smf_app
::
is_supi_dnn_snssai_subscription_data
(
const
supi_t
&
supi
,
const
std
::
string
&
dnn
,
const
snssai_t
&
snssai
)
const
{
//TODO: should be implemented
return
false
;
//Session Management Subscription from UDM isn't available
}
//------------------------------------------------------------------------------
bool
smf_app
::
is_create_sm_context_request_valid
()
{
bool
smf_app
::
is_create_sm_context_request_valid
()
const
{
//TODO: should be implemented
return
true
;
}
//---------------------------------------------------------------------------------------------
void
smf_app
::
convert_string_2_hex
(
std
::
string
&
input_str
,
void
smf_app
::
convert_string_2_hex
(
const
std
::
string
&
input_str
,
std
::
string
&
output_str
)
{
Logger
::
smf_app
().
debug
(
"Convert string to Hex"
);
unsigned
char
*
data
=
(
unsigned
char
*
)
malloc
(
input_str
.
length
()
+
1
);
...
...
@@ -1052,7 +1083,7 @@ void smf_app::convert_string_2_hex(std::string &input_str,
}
//---------------------------------------------------------------------------------------------
unsigned
char
*
smf_app
::
format_string_as_hex
(
std
::
string
&
str
)
{
unsigned
char
*
smf_app
::
format_string_as_hex
(
const
std
::
string
&
str
)
{
unsigned
int
str_len
=
str
.
length
();
char
*
data
=
(
char
*
)
malloc
(
str_len
+
1
);
memset
(
data
,
0
,
str_len
+
1
);
...
...
@@ -1192,7 +1223,7 @@ void smf_app::timer_t3591_timeout(timer_id_t timer_id, uint64_t arg2_user) {
}
//---------------------------------------------------------------------------------------------
n2_sm_info_type_e
smf_app
::
n2_sm_info_type_str2e
(
std
::
string
&
n2_info_type
)
{
n2_sm_info_type_e
smf_app
::
n2_sm_info_type_str2e
(
const
std
::
string
&
n2_info_type
)
const
{
std
::
size_t
number_of_types
=
n2_sm_info_type_e2str
.
size
();
for
(
auto
i
=
0
;
i
<
number_of_types
;
++
i
)
{
if
(
n2_info_type
.
compare
(
n2_sm_info_type_e2str
[
i
])
==
0
)
{
...
...
@@ -1202,7 +1233,7 @@ n2_sm_info_type_e smf_app::n2_sm_info_type_str2e(std::string &n2_info_type) {
}
bool
smf_app
::
get_session_management_subscription_data
(
supi64_t
&
supi
,
std
::
string
&
dnn
,
snssai_t
&
snssai
,
const
supi64_t
&
supi
,
const
std
::
string
&
dnn
,
const
snssai_t
&
snssai
,
std
::
shared_ptr
<
session_management_subscription
>
subscription
)
{
Logger
::
smf_app
().
debug
(
...
...
src/smf_app/smf_app.hpp
View file @
803292a9
...
...
@@ -392,16 +392,16 @@ class smf_app {
/*
* Trigger pdu session modification
* @param [supi_t &] supi
* @param [std::string &] dnn
* @param [pdu_session_id_t] pdu_session_id
* @param [snssai_t &] snssai
* @param [pfcp::qfi_t &] qfi
* @param [
const
supi_t &] supi
* @param [
const
std::string &] dnn
* @param [
const
pdu_session_id_t] pdu_session_id
* @param [
const
snssai_t &] snssai
* @param [
const
pfcp::qfi_t &] qfi
* @return void
*/
void
trigger_pdu_session_modification
(
supi_t
&
supi
,
std
::
string
&
dnn
,
pdu_session_id_t
pdu_session_id
,
snssai_t
&
snssai
,
pfcp
::
qfi_t
&
qfi
);
void
trigger_pdu_session_modification
(
const
supi_t
&
supi
,
const
std
::
string
&
dnn
,
const
pdu_session_id_t
pdu_session_id
,
const
snssai_t
&
snssai
,
const
pfcp
::
qfi_t
&
qfi
);
/*
* Verify if SM Context is existed for this Supi
...
...
@@ -412,7 +412,7 @@ class smf_app {
/*
* Create/Update SMF context with the corresponding supi
* @param [supi_t] supi
* @param [
const
supi_t
&
] supi
* @param [std::shared_ptr<smf_context>] sc Shared_ptr Pointer to an SMF context
* @return True if existed, otherwise false
*/
...
...
@@ -428,7 +428,7 @@ class smf_app {
/*
* Check whether SMF uses local configuration instead of retrieving Session Management Data from UDM
* @param [std::string] dnn_selection_mode
* @param [
const
std::string
&
] dnn_selection_mode
* @return True if SMF uses the local configuration to check the validity of the UE request, False otherwise
*/
bool
use_local_configuration_subscription_data
(
...
...
@@ -436,24 +436,25 @@ class smf_app {
/*
* Verify whether the Session Management Data is existed
* @param [supi_t] SUPI
* @param [std::string] DNN
* @param [snssai_t] S-NSSAI
* @param [
const
supi_t
&
] SUPI
* @param [
const
std::string
&
] DNN
* @param [
const
snssai_t
&
] S-NSSAI
* @return True if SMF uses the local configuration to check the validity of the UE request, False otherwise
*/
bool
is_supi_dnn_snssai_subscription_data
(
supi_t
&
supi
,
std
::
string
&
dnn
,
snssai_t
&
snssai
);
bool
is_supi_dnn_snssai_subscription_data
(
const
supi_t
&
supi
,
const
std
::
string
&
dnn
,
const
snssai_t
&
snssai
)
const
;
/*
* Get the Session Management Subscription data from local configuration
* @param [supi_t &] SUPI
* @param [std::string &] DNN
* @param [snssai_t &] S-NSSAI
* @param [std::shared_ptr<session_management_subscription>] subscription: store subscription data if exist
* @return True if local configuration for this session management subscription exists, False otherwise
*/
* Get the Session Management Subscription data from local configuration
* @param [
const
supi_t &] SUPI
* @param [
const
std::string &] DNN
* @param [
const
snssai_t &] S-NSSAI
* @param [std::shared_ptr<session_management_subscription>] subscription: store subscription data if exist
* @return True if local configuration for this session management subscription exists, False otherwise
*/
bool
get_session_management_subscription_data
(
supi64_t
&
supi
,
std
::
string
&
dnn
,
snssai_t
&
snssai
,
const
supi64_t
&
supi
,
const
std
::
string
&
dnn
,
const
snssai_t
&
snssai
,
std
::
shared_ptr
<
session_management_subscription
>
subscription
);
/*
...
...
@@ -461,23 +462,23 @@ class smf_app {
* @param [..]
* @return True if the request is valid, otherwise False
*/
bool
is_create_sm_context_request_valid
();
bool
is_create_sm_context_request_valid
()
const
;
/*
* Convert a string to hex representing this string
* @param [std::string&] input_str Input string
* @param [
const
std::string&] input_str Input string
* @param [std::string&] output_str String represents string in hex format
* @return void
*/
void
convert_string_2_hex
(
std
::
string
&
input_str
,
std
::
string
&
output_str
);
void
convert_string_2_hex
(
const
std
::
string
&
input_str
,
std
::
string
&
output_str
);
/*
* Represent a string as hex
* @param [std::string&] str: input string
* @param [std::string&] output_str String represents string in hex format
* @return void
* @param [const std::string&] str: input string
* @return String represents string in hex format
*/
unsigned
char
*
format_string_as_hex
(
std
::
string
&
str
);
unsigned
char
*
format_string_as_hex
(
const
std
::
string
&
str
);
/*
* Update PDU session status
...
...
@@ -490,10 +491,10 @@ class smf_app {
/*
* Convert N2 Info type representing by a string to n2_sm_info_type_e
* @param [std::string] n2_info_type
* @param [
const
std::string] n2_info_type
* @return representing of N2 info type in a form of emum
*/
n2_sm_info_type_e
n2_sm_info_type_str2e
(
std
::
string
&
n2_info_type
);
n2_sm_info_type_e
n2_sm_info_type_str2e
(
const
std
::
string
&
n2_info_type
)
const
;
/*
* Update PDU session UpCnxState
...
...
src/smf_app/smf_context.cpp
View file @
803292a9
...
...
@@ -43,6 +43,7 @@
#include "3gpp_29.502.h"
#include "3gpp_24.501.h"
#include "SmContextCreatedData.h"
#include "smf_pfcp_association.hpp"
extern
"C"
{
#include "Ngap_PDUSessionResourceSetupResponseTransfer.h"
...
...
@@ -433,7 +434,7 @@ bool smf_pdu_session::get_default_qos_rule(QOSRulesIE &qos_rule) const {
}
//------------------------------------------------------------------------------
bool
smf_pdu_session
::
get_qos_rule
(
uint8_t
rule_id
,
bool
smf_pdu_session
::
get_qos_rule
(
const
uint8_t
rule_id
,
QOSRulesIE
&
qos_rule
)
const
{
Logger
::
smf_app
().
info
(
"Find QoS Rule with Rule Id %d"
,
(
uint8_t
)
rule_id
);
if
(
qos_rules
.
count
(
rule_id
)
>
0
)
{
...
...
@@ -468,7 +469,7 @@ void smf_pdu_session::update_qos_rule(const QOSRulesIE &qos_rule) {
}
//------------------------------------------------------------------------------
void
smf_pdu_session
::
mark_qos_rule_to_be_synchronised
(
uint8_t
rule_id
)
{
void
smf_pdu_session
::
mark_qos_rule_to_be_synchronised
(
const
uint8_t
rule_id
)
{
if
((
rule_id
>=
QOS_RULE_IDENTIFIER_FIRST
)
and
(
rule_id
<=
QOS_RULE_IDENTIFIER_LAST
))
{
...
...
@@ -639,6 +640,153 @@ void smf_context::handle_itti_msg(itti_n4_session_deletion_response &sdresp) {
//------------------------------------------------------------------------------
void
smf_context
::
handle_itti_msg
(
std
::
shared_ptr
<
itti_n4_session_report_request
>
&
req
)
{
pfcp
::
report_type_t
report_type
;
if
(
req
->
pfcp_ies
.
get
(
report_type
))
{
pfcp
::
pdr_id_t
pdr_id
;
// Downlink Data Report
if
(
report_type
.
dldr
)
{
pfcp
::
downlink_data_report
data_report
;
if
(
req
->
pfcp_ies
.
get
(
data_report
))
{
pfcp
::
pdr_id_t
pdr_id
;
if
(
data_report
.
get
(
pdr_id
))
{
std
::
shared_ptr
<
dnn_context
>
sd
=
{
};
std
::
shared_ptr
<
smf_pdu_session
>
sp
=
{
};
pfcp
::
qfi_t
qfi
=
{
};
if
(
find_pdu_session
(
pdr_id
,
qfi
,
sd
,
sp
))
{
/*
downlink_data_report_procedure *proc =
new downlink_data_report_procedure(shared_from_this(), sp);
std::shared_ptr<smf_procedure> sproc =
std::shared_ptr<smf_procedure>(proc);
insert_procedure(sproc);
if (proc->run(pdr_id, qfi)) {
// error !
Logger::smf_app().info(
"Downlink Data Report Request procedure failed");
remove_procedure(proc);
}
*/
//Step 1. send N4 Data Report Ack to UPF
pfcp
::
node_id_t
up_node_id
=
{
};
if
(
not
pfcp_associations
::
get_instance
().
select_up_node
(
up_node_id
,
NODE_SELECTION_CRITERIA_MIN_PFCP_SESSIONS
))
{
// TODO
Logger
::
smf_app
().
info
(
"REMOTE_PEER_NOT_RESPONDING"
);
return
;
}
itti_n4_session_report_response
*
n4_ser
=
new
itti_n4_session_report_response
(
TASK_SMF_APP
,
TASK_SMF_N4
);
n4_ser
->
seid
=
req
->
seid
;
n4_ser
->
trxn_id
=
req
->
trxn_id
;
n4_ser
->
r_endpoint
=
endpoint
(
up_node_id
.
u1
.
ipv4_address
,
pfcp
::
default_port
);
std
::
shared_ptr
<
itti_n4_session_report_response
>
n4_report_ack
=
std
::
shared_ptr
<
itti_n4_session_report_response
>
(
n4_ser
);
Logger
::
smf_app
().
info
(
"Sending ITTI message %s to task TASK_SMF_N4"
,
n4_ser
->
get_msg_name
());
int
ret
=
itti_inst
->
send_msg
(
n4_report_ack
);
if
(
RETURNok
!=
ret
)
{
Logger
::
smf_app
().
error
(
"Could not send ITTI message %s to task TASK_SMF_N4"
,
n4_ser
->
get_msg_name
());
return
;
}
//Step 2. Send N1N2MessageTranfer to AMF
pdu_session_report_response
session_report_msg
=
{
};
//set the required IEs
session_report_msg
.
set_supi
(
supi
);
//supi
session_report_msg
.
set_snssai
(
sd
.
get
()
->
nssai
);
//s-nssai
session_report_msg
.
set_dnn
(
sd
.
get
()
->
dnn_in_use
);
//dnn
session_report_msg
.
set_pdu_session_type
(
sp
.
get
()
->
get_pdn_type
().
pdn_type
);
//pdu session type
//get supi and put into URL
std
::
string
supi_prefix
=
{
};
get_supi_prefix
(
supi_prefix
);
std
::
string
supi_str
=
supi_prefix
+
"-"
+
smf_supi_to_string
(
supi
);
std
::
string
url
=
std
::
string
(
inet_ntoa
(
*
((
struct
in_addr
*
)
&
smf_cfg
.
amf_addr
.
ipv4_addr
)))
+
":"
+
std
::
to_string
(
smf_cfg
.
amf_addr
.
port
)
+
fmt
::
format
(
NAMF_COMMUNICATION_N1N2_MESSAGE_TRANSFER_URL
,
supi_str
.
c_str
());
session_report_msg
.
set_amf_url
(
url
);
//QFIs, QoS profiles, CN Tunnel
smf_qos_flow
flow
=
{
};
sp
.
get
()
->
get_qos_flow
(
qfi
,
flow
);
//ADD QoS Flow to be updated
qos_flow_context_updated
qcu
=
{
};
qcu
.
set_qfi
(
qfi
);
qcu
.
set_ul_fteid
(
flow
.
ul_fteid
);
qcu
.
set_qos_profile
(
flow
.
qos_profile
);
session_report_msg
.
add_qos_flow_context_updated
(
qcu
);
// Create N2 SM Information: PDU Session Resource Setup Request Transfer IE
//N2 SM Information
smf_n1_n2
smf_n1_n2_inst
=
{
};
std
::
string
n2_sm_info
,
n2_sm_info_hex
;
smf_n1_n2_inst
.
create_n2_sm_information
(
session_report_msg
,
1
,
n2_sm_info_type_e
::
PDU_RES_SETUP_REQ
,
n2_sm_info
);
smf_app_inst
->
convert_string_2_hex
(
n2_sm_info
,
n2_sm_info_hex
);
session_report_msg
.
set_n2_sm_information
(
n2_sm_info_hex
);
//Fill the json part
session_report_msg
.
n1n2_message_transfer_data
[
"n2InfoContainer"
][
"n2InformationClass"
]
=
N1N2_MESSAGE_CLASS
;
session_report_msg
.
n1n2_message_transfer_data
[
"n2InfoContainer"
][
"smInfo"
][
"PduSessionId"
]
=
session_report_msg
.
get_pdu_session_id
();
//N2InfoContent (section 6.1.6.2.27@3GPP TS 29.518)
session_report_msg
.
n1n2_message_transfer_data
[
"n2InfoContainer"
][
"smInfo"
][
"n2InfoContent"
][
"ngapIeType"
]
=
"PDU_RES_SETUP_REQ"
;
//NGAP message type
session_report_msg
.
n1n2_message_transfer_data
[
"n2InfoContainer"
][
"smInfo"
][
"n2InfoContent"
][
"ngapData"
][
"contentId"
]
=
N2_SM_CONTENT_ID
;
//NGAP part
session_report_msg
.
n1n2_message_transfer_data
[
"n2InfoContainer"
][
"smInfo"
][
"sNssai"
][
"sst"
]
=
session_report_msg
.
get_snssai
().
sST
;
session_report_msg
.
n1n2_message_transfer_data
[
"n2InfoContainer"
][
"smInfo"
][
"sNssai"
][
"sd"
]
=
session_report_msg
.
get_snssai
().
sD
;
itti_n11_session_report_request
*
itti_n11
=
new
itti_n11_session_report_request
(
TASK_SMF_APP
,
TASK_SMF_N11
);
std
::
shared_ptr
<
itti_n11_session_report_request
>
itti_n11_report
=
std
::
shared_ptr
<
itti_n11_session_report_request
>
(
itti_n11
);
itti_n11_report
->
res
=
session_report_msg
;
//send ITTI message to N11 interface to trigger N1N2MessageTransfer towards AMFs
Logger
::
smf_app
().
info
(
"Sending ITTI message %s to task TASK_SMF_N11"
,
itti_n11_report
->
get_msg_name
());
ret
=
itti_inst
->
send_msg
(
itti_n11_report
);
if
(
RETURNok
!=
ret
)
{
Logger
::
smf_app
().
error
(
"Could not send ITTI message %s to task TASK_SMF_N11"
,
itti_n11_report
->
get_msg_name
());
}
}
}
}
}
// Usage Report
if
(
report_type
.
usar
)
{
Logger
::
smf_app
().
debug
(
"TODO PFCP_SESSION_REPORT_REQUEST/Usage Report"
);
}
// Error Indication Report
if
(
report_type
.
erir
)
{
Logger
::
smf_app
().
debug
(
"TODO PFCP_SESSION_REPORT_REQUEST/Error Indication Report"
);
}
// User Plane Inactivity Report
if
(
report_type
.
upir
)
{
Logger
::
smf_app
().
debug
(
"TODO PFCP_SESSION_REPORT_REQUEST/User Plane Inactivity Report"
);
}
}
}
//------------------------------------------------------------------------------
...
...
@@ -1959,7 +2107,8 @@ void smf_context::handle_pdu_session_update_sm_context_request(
//PDU Session Establishment procedure
//PDU Session Resource Setup Unsuccessful Transfer
case
n2_sm_info_type_e
::
PDU_RES_SETUP_FAIL
:
{
Logger
::
smf_app
().
info
(
"PDU Sessio