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Nikola Balog
osie
Commits
c3d5e53a
Commit
c3d5e53a
authored
Sep 01, 2022
by
Ivan Tyagov
Browse files
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Plain Diff
Inclusion of custom server bind address
See merge request
nexedi/osie!18
parents
7bf2d914
ab7e2c6f
Changes
2
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2 changed files
with
115 additions
and
79 deletions
+115
-79
coupler/opc-ua-server/cli.h
coupler/opc-ua-server/cli.h
+8
-0
coupler/opc-ua-server/server.c
coupler/opc-ua-server/server.c
+107
-79
No files found.
coupler/opc-ua-server/cli.h
View file @
c3d5e53a
...
...
@@ -7,6 +7,7 @@ static char doc[] = "OPC-UA server which controls MOD-IO's relays' state over OP
static
char
args_doc
[]
=
"..."
;
static
struct
argp_option
options
[]
=
{
{
"port"
,
'p'
,
"4840"
,
0
,
"Port to bind to."
},
{
"server-ip-address"
,
'a'
,
""
,
0
,
"Server address to bind to."
},
{
"device"
,
'd'
,
"/dev/i2c-1"
,
0
,
"Linux block device path."
},
{
"slave-address-list"
,
's'
,
"0x58"
,
0
,
"Comma separated list of slave I2C addresses."
},
{
"mode"
,
'm'
,
"0"
,
0
,
"Set different modes of operation of coupler. Default (0) is set attached \
...
...
@@ -30,6 +31,7 @@ struct arguments
{
int
mode
;
int
port
;
char
*
server_ip_address
;
char
*
device
;
char
*
slave_address_list
;
char
*
username
;
...
...
@@ -51,6 +53,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state)
case
'p'
:
arguments
->
port
=
arg
?
atoi
(
arg
)
:
DEFAULT_OPC_UA_PORT
;
break
;
case
'a'
:
arguments
->
server_ip_address
=
arg
;
break
;
case
'd'
:
arguments
->
device
=
arg
;
break
;
...
...
@@ -110,6 +115,7 @@ void handleCLI(int argc, char **argv) {
struct
arguments
arguments
;
arguments
.
port
=
DEFAULT_OPC_UA_PORT
;
arguments
.
server_ip_address
=
""
;
arguments
.
mode
=
DEFAULT_MODE
;
arguments
.
device
=
DEFAULT_I2C_BLOCK_DEVICE_NAME
;
arguments
.
slave_address_list
=
DEFAULT_I2C_0_ADDR
;
...
...
@@ -126,6 +132,7 @@ void handleCLI(int argc, char **argv) {
printf
(
"Mode=%d
\n
"
,
arguments
.
mode
);
printf
(
"Listening port=%d
\n
"
,
arguments
.
port
);
printf
(
"server_ip_address=%s
\n
"
,
arguments
.
server_ip_address
);
printf
(
"Block device=%s
\n
"
,
arguments
.
device
);
printf
(
"Slave address list=%s
\n
"
,
arguments
.
slave_address_list
);
printf
(
"Key=%s
\n
"
,
arguments
.
key
);
...
...
@@ -147,6 +154,7 @@ void handleCLI(int argc, char **argv) {
USERNAME
=
arguments
.
username
;
PASSWORD
=
arguments
.
password
;
OPC_UA_PORT
=
arguments
.
port
;
OPC_UA_ADDRESS
=
arguments
.
server_ip_address
;
ENABLE_X509
=
strlen
(
arguments
.
key
)
>
0
&&
strlen
(
arguments
.
certificate
);
ENABLE_USERNAME_PASSWORD_AUTHENTICATION
=
strlen
(
arguments
.
username
)
>
0
&&
strlen
(
arguments
.
password
)
>
0
;
ENABLE_HEART_BEAT
=
arguments
.
heart_beat
;
...
...
coupler/opc-ua-server/server.c
View file @
c3d5e53a
...
...
@@ -48,6 +48,7 @@ const int DEFAULT_MODE = 0;
const
int
DEFAULT_COUPLER_ID
=
0
;
int
OPC_UA_PORT
;
char
*
OPC_UA_ADDRESS
;
bool
ENABLE_HEART_BEAT
=
false
;
bool
ENABLE_HEART_BEAT_CHECK
=
false
;
bool
ENABLE_X509
=
false
;
...
...
@@ -72,86 +73,113 @@ static void stopHandler(int sign)
int
main
(
int
argc
,
char
**
argv
)
{
// init dictionary only once$
if
(
SUBSCRIBER_DICT
==
NULL
){
SUBSCRIBER_DICT
=
*
dictAlloc
();
// init dictionary only once$
if
(
SUBSCRIBER_DICT
==
NULL
){
SUBSCRIBER_DICT
=
*
dictAlloc
();
}
// parse CLI
handleCLI
(
argc
,
argv
);
// always start attached slaves from a know safe shutdown state
safeShutdownI2CSlaveList
();
signal
(
SIGINT
,
stopHandler
);
signal
(
SIGTERM
,
stopHandler
);
UA_String
serverUrls
[
1
];
size_t
serverUrlsSize
=
0
;
char
serverUrlBuffer
[
1
][
512
];
server
=
UA_Server_new
();
UA_ServerConfig_setMinimal
(
UA_Server_getConfig
(
server
),
OPC_UA_PORT
,
NULL
);
UA_ServerConfig
*
config
=
UA_Server_getConfig
(
server
);
// opc_ua server is listening to user input address else on all interfaces
// user input ip address should be added to any of the interface else no server socket will be created
if
(
OPC_UA_ADDRESS
!=
NULL
){
// check whether the default url is already set
if
(
config
->
serverUrlsSize
>
0
)
{
UA_LOG_WARNING
(
&
config
->
logger
,
UA_LOGCATEGORY_USERLAND
,
"ServerUrls already set. Overriding."
);
UA_Array_delete
(
config
->
serverUrls
,
config
->
serverUrlsSize
,
&
UA_TYPES
[
UA_TYPES_STRING
]);
config
->
serverUrls
=
NULL
;
config
->
serverUrlsSize
=
0
;
}
// parse CLI
handleCLI
(
argc
,
argv
);
// always start attached slaves from a know safe shutdown state
safeShutdownI2CSlaveList
();
signal
(
SIGINT
,
stopHandler
);
signal
(
SIGTERM
,
stopHandler
);
server
=
UA_Server_new
();
UA_ServerConfig_setMinimal
(
UA_Server_getConfig
(
server
),
OPC_UA_PORT
,
NULL
);
UA_ServerConfig
*
config
=
UA_Server_getConfig
(
server
);
config
->
verifyRequestTimestamp
=
UA_RULEHANDLING_ACCEPT
;
// add variables representing physical relays / inputs, etc
addVariable
(
server
);
addValueCallbackToCurrentTimeVariable
(
server
);
/* Disable anonymous logins, enable two user/password logins */
if
(
ENABLE_USERNAME_PASSWORD_AUTHENTICATION
){
UA_UsernamePasswordLogin
logins
[
1
]
=
{
{
UA_STRING
(
USERNAME
),
UA_STRING
(
PASSWORD
)},
};
config
->
accessControl
.
clear
(
&
config
->
accessControl
);
UA_StatusCode
retval1
=
UA_AccessControl_default
(
config
,
false
,
NULL
,
&
config
->
securityPolicies
[
config
->
securityPoliciesSize
-
1
].
policyUri
,
1
,
logins
);
// construct opc_ua server url based on input ip address
UA_snprintf
(
serverUrlBuffer
[
0
],
sizeof
(
serverUrlBuffer
[
0
]),
"opc.tcp://%s:%u"
,
OPC_UA_ADDRESS
,
OPC_UA_PORT
);
serverUrls
[
serverUrlsSize
]
=
UA_STRING
(
serverUrlBuffer
[
0
]);
serverUrlsSize
++
;
// add the url into the config
UA_StatusCode
ret_val
=
UA_Array_copy
(
serverUrls
,
serverUrlsSize
,
(
void
**
)
&
config
->
serverUrls
,
&
UA_TYPES
[
UA_TYPES_STRING
]);
if
(
ret_val
!=
UA_STATUSCODE_GOOD
){
return
ret_val
;
}
/* Enable x509 */
#ifdef UA_ENABLE_ENCRYPTION
if
(
ENABLE_X509
){
/* Load certificate and private key */
UA_ByteString
certificate
=
loadFile
(
X509_CERTIFICATE_FILENAME
);
UA_ByteString
privateKey
=
loadFile
(
X509_KEY_FILENAME
);
/* Load the trustlist - not used thus 0 */
size_t
trustListSize
=
0
;
UA_STACKARRAY
(
UA_ByteString
,
trustList
,
trustListSize
);
/* Loading of a issuer list, not used in this application */
size_t
issuerListSize
=
0
;
UA_ByteString
*
issuerList
=
NULL
;
/* Loading of a revocation list currently unsupported */
UA_ByteString
*
revocationList
=
NULL
;
size_t
revocationListSize
=
0
;
UA_StatusCode
retval
=
UA_ServerConfig_setDefaultWithSecurityPolicies
(
config
,
4841
,
// XXX: why not use 4840 ?
&
certificate
,
&
privateKey
,
trustList
,
trustListSize
,
issuerList
,
issuerListSize
,
revocationList
,
revocationListSize
);
//The place to fill the hole is very important
config
->
applicationDescription
.
applicationUri
=
UA_STRING_ALLOC
(
"urn:open62541.server.application"
);
}
#endif
// enable protocol for Pub/Sub
UA_ServerConfig_addPubSubTransportLayer
(
config
,
UA_PubSubTransportLayerUDPMP
());
// enable publish keep-alive messages
if
(
ENABLE_HEART_BEAT
)
{
enablePublishHeartBeat
(
server
,
config
);
}
// enable subscribe to keep-alive messages
enableSubscribeToHeartBeat
(
server
,
config
);
// run server
UA_StatusCode
retval
=
UA_Server_run
(
server
,
&
running
);
UA_Server_delete
(
server
);
// always leave attached slaves to a known safe shutdown state
safeShutdownI2CSlaveList
();
return
retval
==
UA_STATUSCODE_GOOD
?
EXIT_SUCCESS
:
EXIT_FAILURE
;
config
->
serverUrlsSize
=
serverUrlsSize
;
}
config
->
verifyRequestTimestamp
=
UA_RULEHANDLING_ACCEPT
;
// add variables representing physical relays / inputs, etc
addVariable
(
server
);
addValueCallbackToCurrentTimeVariable
(
server
);
/* Disable anonymous logins, enable two user/password logins */
if
(
ENABLE_USERNAME_PASSWORD_AUTHENTICATION
){
UA_UsernamePasswordLogin
logins
[
1
]
=
{
{
UA_STRING
(
USERNAME
),
UA_STRING
(
PASSWORD
)},
};
config
->
accessControl
.
clear
(
&
config
->
accessControl
);
UA_StatusCode
retval1
=
UA_AccessControl_default
(
config
,
false
,
NULL
,
&
config
->
securityPolicies
[
config
->
securityPoliciesSize
-
1
].
policyUri
,
1
,
logins
);
}
/* Enable x509 */
#ifdef UA_ENABLE_ENCRYPTION
if
(
ENABLE_X509
){
/* Load certificate and private key */
UA_ByteString
certificate
=
loadFile
(
X509_CERTIFICATE_FILENAME
);
UA_ByteString
privateKey
=
loadFile
(
X509_KEY_FILENAME
);
/* Load the trustlist - not used thus 0 */
size_t
trustListSize
=
0
;
UA_STACKARRAY
(
UA_ByteString
,
trustList
,
trustListSize
);
/* Loading of a issuer list, not used in this application */
size_t
issuerListSize
=
0
;
UA_ByteString
*
issuerList
=
NULL
;
/* Loading of a revocation list currently unsupported */
UA_ByteString
*
revocationList
=
NULL
;
size_t
revocationListSize
=
0
;
UA_StatusCode
retval
=
UA_ServerConfig_setDefaultWithSecurityPolicies
(
config
,
4841
,
// XXX: why not use 4840 ?
&
certificate
,
&
privateKey
,
trustList
,
trustListSize
,
issuerList
,
issuerListSize
,
revocationList
,
revocationListSize
);
//The place to fill the hole is very important
config
->
applicationDescription
.
applicationUri
=
UA_STRING_ALLOC
(
"urn:open62541.server.application"
);
}
#endif
// enable protocol for Pub/Sub
UA_ServerConfig_addPubSubTransportLayer
(
config
,
UA_PubSubTransportLayerUDPMP
());
// enable publish keep-alive messages
if
(
ENABLE_HEART_BEAT
)
{
enablePublishHeartBeat
(
server
,
config
);
}
// enable subscribe to keep-alive messages
enableSubscribeToHeartBeat
(
server
,
config
);
// run server
UA_StatusCode
retval
=
UA_Server_run
(
server
,
&
running
);
UA_Server_delete
(
server
);
// always leave attached slaves to a known safe shutdown state
safeShutdownI2CSlaveList
();
return
retval
==
UA_STATUSCODE_GOOD
?
EXIT_SUCCESS
:
EXIT_FAILURE
;
}
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