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Nikola Balog
osie
Commits
7c5b30d4
Commit
7c5b30d4
authored
Apr 25, 2022
by
Ivan Tyagov
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As now it's fully integrated no need to keep.
parent
6382d317
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coupler/opc-ua-server/build.sh
coupler/opc-ua-server/build.sh
+1
-5
coupler/opc-ua-server/server_subscribe.c
coupler/opc-ua-server/server_subscribe.c
+0
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coupler/opc-ua-server/build.sh
View file @
7c5b30d4
#!/bin/bash
#!/bin/bash
rm
-f
server
_publish server_subscribe
rm
-f
server
# build OPC UA server which publishes msgs
# build OPC UA server which publishes msgs
gcc
-o
server
-I
/usr/local/include/
-std
=
c99 server.c
-l
:libopen62541.so
-L
/usr/local/lib
-lmbedcrypto
-lmbedx509
-I
~/open62541/src/pubsub/
-I
~/open62541/deps/
gcc
-o
server
-I
/usr/local/include/
-std
=
c99 server.c
-l
:libopen62541.so
-L
/usr/local/lib
-lmbedcrypto
-lmbedx509
-I
~/open62541/src/pubsub/
-I
~/open62541/deps/
# build OPC Ua server which subscribes to msgs
#gcc -o server_subscribe -I /usr/local/include/ -std=c99 server_subscribe.c -l:libopen62541.so -L/usr/local/lib -I ~/open62541/src/pubsub/ -I ~/open62541/deps/
coupler/opc-ua-server/server_subscribe.c
deleted
100644 → 0
View file @
6382d317
#include <open62541/client_subscriptions.h>
#include <open62541/plugin/log_stdout.h>
#include <open62541/plugin/pubsub_udp.h>
#include <open62541/server.h>
#include <open62541/server_config_default.h>
#include <open62541/types_generated.h>
#include "ua_pubsub.h"
#if defined (UA_ENABLE_PUBSUB_ETH_UADP)
#include <open62541/plugin/pubsub_ethernet.h>
#endif
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
UA_NodeId
connectionIdentifier
;
UA_NodeId
readerGroupIdentifier
;
UA_NodeId
readerIdentifier
;
UA_DataSetReaderConfig
readerConfig
;
static
void
fillTestDataSetMetaData
(
UA_DataSetMetaDataType
*
pMetaData
);
/* callback to handle change notifications */
static
void
dataChangeNotificationCallback
(
UA_Server
*
server
,
UA_UInt32
monitoredItemId
,
void
*
monitoredItemContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
UA_UInt32
attributeId
,
const
UA_DataValue
*
var
)
{
if
(
UA_Variant_hasScalarType
(
&
var
->
value
,
&
UA_TYPES
[
UA_TYPES_UINT32
]))
{
UA_LOG_INFO
(
UA_Log_Stdout
,
UA_LOGCATEGORY_USERLAND
,
"Received Notification with value %d"
,
*
(
UA_UInt32
*
)
var
->
value
.
data
);
}
}
/* Add new connection to the server */
static
UA_StatusCode
addPubSubConnection
(
UA_Server
*
server
,
UA_String
*
transportProfile
,
UA_NetworkAddressUrlDataType
*
networkAddressUrl
)
{
if
((
server
==
NULL
)
||
(
transportProfile
==
NULL
)
||
(
networkAddressUrl
==
NULL
))
{
return
UA_STATUSCODE_BADINTERNALERROR
;
}
UA_StatusCode
retval
=
UA_STATUSCODE_GOOD
;
/* Configuration creation for the connection */
UA_PubSubConnectionConfig
connectionConfig
;
memset
(
&
connectionConfig
,
0
,
sizeof
(
UA_PubSubConnectionConfig
));
connectionConfig
.
name
=
UA_STRING
(
"UDPMC Connection 1"
);
connectionConfig
.
transportProfileUri
=
*
transportProfile
;
connectionConfig
.
enabled
=
UA_TRUE
;
UA_Variant_setScalar
(
&
connectionConfig
.
address
,
networkAddressUrl
,
&
UA_TYPES
[
UA_TYPES_NETWORKADDRESSURLDATATYPE
]);
connectionConfig
.
publisherId
.
numeric
=
UA_UInt32_random
();
retval
|=
UA_Server_addPubSubConnection
(
server
,
&
connectionConfig
,
&
connectionIdentifier
);
if
(
retval
!=
UA_STATUSCODE_GOOD
)
{
return
retval
;
}
return
retval
;
}
/**
* **ReaderGroup**
*
* ReaderGroup is used to group a list of DataSetReaders. All ReaderGroups are
* created within a PubSubConnection and automatically deleted if the connection
* is removed. All network message related filters are only available in the DataSetReader. */
/* Add ReaderGroup to the created connection */
static
UA_StatusCode
addReaderGroup
(
UA_Server
*
server
)
{
if
(
server
==
NULL
)
{
return
UA_STATUSCODE_BADINTERNALERROR
;
}
UA_StatusCode
retval
=
UA_STATUSCODE_GOOD
;
UA_ReaderGroupConfig
readerGroupConfig
;
memset
(
&
readerGroupConfig
,
0
,
sizeof
(
UA_ReaderGroupConfig
));
readerGroupConfig
.
name
=
UA_STRING
(
"ReaderGroup1"
);
retval
|=
UA_Server_addReaderGroup
(
server
,
connectionIdentifier
,
&
readerGroupConfig
,
&
readerGroupIdentifier
);
UA_Server_setReaderGroupOperational
(
server
,
readerGroupIdentifier
);
return
retval
;
}
/**
* **DataSetReader**
*
* DataSetReader can receive NetworkMessages with the DataSetMessage
* of interest sent by the Publisher. DataSetReader provides
* the configuration necessary to receive and process DataSetMessages
* on the Subscriber side. DataSetReader must be linked with a
* SubscribedDataSet and be contained within a ReaderGroup. */
/* Add DataSetReader to the ReaderGroup */
static
UA_StatusCode
addDataSetReader
(
UA_Server
*
server
)
{
if
(
server
==
NULL
)
{
return
UA_STATUSCODE_BADINTERNALERROR
;
}
UA_StatusCode
retval
=
UA_STATUSCODE_GOOD
;
memset
(
&
readerConfig
,
0
,
sizeof
(
UA_DataSetReaderConfig
));
readerConfig
.
name
=
UA_STRING
(
"DataSet Reader 1"
);
/* Parameters to filter which DataSetMessage has to be processed
* by the DataSetReader */
/* The following parameters are used to show that the data published by
* tutorial_pubsub_publish.c is being subscribed and is being updated in
* the information model */
UA_UInt16
publisherIdentifier
=
2234
;
readerConfig
.
publisherId
.
type
=
&
UA_TYPES
[
UA_TYPES_UINT16
];
readerConfig
.
publisherId
.
data
=
&
publisherIdentifier
;
readerConfig
.
writerGroupId
=
100
;
readerConfig
.
dataSetWriterId
=
62541
;
/* Setting up Meta data configuration in DataSetReader */
fillTestDataSetMetaData
(
&
readerConfig
.
dataSetMetaData
);
retval
|=
UA_Server_addDataSetReader
(
server
,
readerGroupIdentifier
,
&
readerConfig
,
&
readerIdentifier
);
return
retval
;
}
/**
* **SubscribedDataSet**
*
* Set SubscribedDataSet type to TargetVariables data type.
* Add subscribedvariables to the DataSetReader */
static
UA_StatusCode
addSubscribedVariables
(
UA_Server
*
server
,
UA_NodeId
dataSetReaderId
)
{
if
(
server
==
NULL
)
return
UA_STATUSCODE_BADINTERNALERROR
;
UA_StatusCode
retval
=
UA_STATUSCODE_GOOD
;
UA_NodeId
folderId
;
UA_String
folderName
=
readerConfig
.
dataSetMetaData
.
name
;
UA_ObjectAttributes
oAttr
=
UA_ObjectAttributes_default
;
UA_QualifiedName
folderBrowseName
;
if
(
folderName
.
length
>
0
)
{
oAttr
.
displayName
.
locale
=
UA_STRING
(
"en-US"
);
oAttr
.
displayName
.
text
=
folderName
;
folderBrowseName
.
namespaceIndex
=
1
;
folderBrowseName
.
name
=
folderName
;
}
else
{
oAttr
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Subscribed Variables"
);
folderBrowseName
=
UA_QUALIFIEDNAME
(
1
,
"Subscribed Variables"
);
}
UA_Server_addObjectNode
(
server
,
UA_NODEID_NULL
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_OBJECTSFOLDER
),
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_ORGANIZES
),
folderBrowseName
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEOBJECTTYPE
),
oAttr
,
NULL
,
&
folderId
);
/**
* **TargetVariables**
*
* The SubscribedDataSet option TargetVariables defines a list of Variable mappings between
* received DataSet fields and target Variables in the Subscriber AddressSpace.
* The values subscribed from the Publisher are updated in the value field of these variables */
/* Create the TargetVariables with respect to DataSetMetaData fields */
UA_FieldTargetVariable
*
targetVars
=
(
UA_FieldTargetVariable
*
)
UA_calloc
(
readerConfig
.
dataSetMetaData
.
fieldsSize
,
sizeof
(
UA_FieldTargetVariable
));
for
(
size_t
i
=
0
;
i
<
readerConfig
.
dataSetMetaData
.
fieldsSize
;
i
++
)
{
/* Variable to subscribe data */
UA_VariableAttributes
vAttr
=
UA_VariableAttributes_default
;
UA_LocalizedText_copy
(
&
readerConfig
.
dataSetMetaData
.
fields
[
i
].
description
,
&
vAttr
.
description
);
vAttr
.
displayName
.
locale
=
UA_STRING
(
"en-US"
);
vAttr
.
displayName
.
text
=
readerConfig
.
dataSetMetaData
.
fields
[
i
].
name
;
vAttr
.
dataType
=
readerConfig
.
dataSetMetaData
.
fields
[
i
].
dataType
;
UA_NodeId
newNode
;
retval
|=
UA_Server_addVariableNode
(
server
,
UA_NODEID_NUMERIC
(
1
,
(
UA_UInt32
)
i
+
50000
),
folderId
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_HASCOMPONENT
),
UA_QUALIFIEDNAME
(
1
,
(
char
*
)
readerConfig
.
dataSetMetaData
.
fields
[
i
].
name
.
data
),
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
vAttr
,
NULL
,
&
newNode
);
/*monitor variable*/
UA_MonitoredItemCreateRequest
monRequest
=
UA_MonitoredItemCreateRequest_default
(
newNode
);
UA_Server_createDataChangeMonitoredItem
(
server
,
UA_TIMESTAMPSTORETURN_SOURCE
,
monRequest
,
NULL
,
dataChangeNotificationCallback
);
/* For creating Targetvariables */
UA_FieldTargetDataType_init
(
&
targetVars
[
i
].
targetVariable
);
targetVars
[
i
].
targetVariable
.
attributeId
=
UA_ATTRIBUTEID_VALUE
;
targetVars
[
i
].
targetVariable
.
targetNodeId
=
newNode
;
}
retval
=
UA_Server_DataSetReader_createTargetVariables
(
server
,
dataSetReaderId
,
readerConfig
.
dataSetMetaData
.
fieldsSize
,
targetVars
);
for
(
size_t
i
=
0
;
i
<
readerConfig
.
dataSetMetaData
.
fieldsSize
;
i
++
)
UA_FieldTargetDataType_clear
(
&
targetVars
[
i
].
targetVariable
);
UA_free
(
targetVars
);
UA_free
(
readerConfig
.
dataSetMetaData
.
fields
);
return
retval
;
}
/**
* **DataSetMetaData**
*
* The DataSetMetaData describes the content of a DataSet. It provides the information necessary to decode
* DataSetMessages on the Subscriber side. DataSetMessages received from the Publisher are decoded into
* DataSet and each field is updated in the Subscriber based on datatype match of TargetVariable fields of Subscriber
* and PublishedDataSetFields of Publisher */
/* Define MetaData for TargetVariables */
static
void
fillTestDataSetMetaData
(
UA_DataSetMetaDataType
*
pMetaData
)
{
if
(
pMetaData
==
NULL
)
{
return
;
}
UA_DataSetMetaDataType_init
(
pMetaData
);
pMetaData
->
name
=
UA_STRING
(
"DataSet 1 (subscribed)"
);
/* Static definition of number of fields size to 2 to create four different
* targetVariables of distinct datatype
*/
pMetaData
->
fieldsSize
=
2
;
pMetaData
->
fields
=
(
UA_FieldMetaData
*
)
UA_Array_new
(
pMetaData
->
fieldsSize
,
&
UA_TYPES
[
UA_TYPES_FIELDMETADATA
]);
/* heartbeat */
UA_FieldMetaData_init
(
&
pMetaData
->
fields
[
0
]);
UA_NodeId_copy
(
&
UA_TYPES
[
UA_TYPES_UINT32
].
typeId
,
&
pMetaData
->
fields
[
0
].
dataType
);
pMetaData
->
fields
[
0
].
builtInType
=
UA_NS0ID_UINT32
;
pMetaData
->
fields
[
0
].
name
=
UA_STRING
(
"Heartbeat (subscribed)"
);
pMetaData
->
fields
[
0
].
valueRank
=
-
1
;
/* scalar */
// ID
UA_FieldMetaData_init
(
&
pMetaData
->
fields
[
1
]);
UA_NodeId_copy
(
&
UA_TYPES
[
UA_TYPES_UINT32
].
typeId
,
&
pMetaData
->
fields
[
1
].
dataType
);
pMetaData
->
fields
[
1
].
builtInType
=
UA_NS0ID_UINT32
;
pMetaData
->
fields
[
1
].
name
=
UA_STRING
(
"ID (subscribed)"
);
pMetaData
->
fields
[
1
].
valueRank
=
-
1
;
/* scalar */
}
/**
* Followed by the main server code, making use of the above definitions */
UA_Boolean
running
=
true
;
static
void
stopHandler
(
int
sign
)
{
UA_LOG_INFO
(
UA_Log_Stdout
,
UA_LOGCATEGORY_SERVER
,
"received ctrl-c"
);
running
=
false
;
}
static
int
run
(
UA_String
*
transportProfile
,
UA_NetworkAddressUrlDataType
*
networkAddressUrl
)
{
signal
(
SIGINT
,
stopHandler
);
signal
(
SIGTERM
,
stopHandler
);
/* Return value initialized to Status Good */
UA_StatusCode
retval
=
UA_STATUSCODE_GOOD
;
UA_Server
*
server
=
UA_Server_new
();
UA_ServerConfig
*
config
=
UA_Server_getConfig
(
server
);
UA_ServerConfig_setMinimal
(
config
,
4801
,
NULL
);
/* Add the PubSub network layer implementation to the server config.
* The TransportLayer is acting as factory to create new connections
* on runtime. Details about the PubSubTransportLayer can be found inside the
* tutorial_pubsub_connection */
UA_ServerConfig_addPubSubTransportLayer
(
config
,
UA_PubSubTransportLayerUDPMP
());
/* API calls */
/* Add PubSubConnection */
retval
|=
addPubSubConnection
(
server
,
transportProfile
,
networkAddressUrl
);
if
(
retval
!=
UA_STATUSCODE_GOOD
)
return
EXIT_FAILURE
;
/* Add ReaderGroup to the created PubSubConnection */
retval
|=
addReaderGroup
(
server
);
if
(
retval
!=
UA_STATUSCODE_GOOD
)
return
EXIT_FAILURE
;
/* Add DataSetReader to the created ReaderGroup */
retval
|=
addDataSetReader
(
server
);
if
(
retval
!=
UA_STATUSCODE_GOOD
)
return
EXIT_FAILURE
;
/* Add SubscribedVariables to the created DataSetReader */
retval
|=
addSubscribedVariables
(
server
,
readerIdentifier
);
if
(
retval
!=
UA_STATUSCODE_GOOD
)
return
EXIT_FAILURE
;
retval
=
UA_Server_run
(
server
,
&
running
);
UA_Server_delete
(
server
);
return
retval
==
UA_STATUSCODE_GOOD
?
EXIT_SUCCESS
:
EXIT_FAILURE
;
}
static
void
usage
(
char
*
progname
)
{
printf
(
"usage: %s <uri> [device]
\n
"
,
progname
);
}
int
main
(
int
argc
,
char
**
argv
)
{
UA_String
transportProfile
=
UA_STRING
(
"http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp"
);
UA_NetworkAddressUrlDataType
networkAddressUrl
=
{
UA_STRING_NULL
,
UA_STRING
(
"opc.udp://224.0.0.22:4840/"
)};
if
(
argc
>
1
)
{
if
(
strcmp
(
argv
[
1
],
"-h"
)
==
0
)
{
usage
(
argv
[
0
]);
return
EXIT_SUCCESS
;
}
else
if
(
strncmp
(
argv
[
1
],
"opc.udp://"
,
10
)
==
0
)
{
networkAddressUrl
.
url
=
UA_STRING
(
argv
[
1
]);
}
else
if
(
strncmp
(
argv
[
1
],
"opc.eth://"
,
10
)
==
0
)
{
transportProfile
=
UA_STRING
(
"http://opcfoundation.org/UA-Profile/Transport/pubsub-eth-uadp"
);
if
(
argc
<
3
)
{
printf
(
"Error: UADP/ETH needs an interface name
\n
"
);
return
EXIT_FAILURE
;
}
networkAddressUrl
.
networkInterface
=
UA_STRING
(
argv
[
2
]);
networkAddressUrl
.
url
=
UA_STRING
(
argv
[
1
]);
}
else
{
printf
(
"Error: unknown URI
\n
"
);
return
EXIT_FAILURE
;
}
}
return
run
(
&
transportProfile
,
&
networkAddressUrl
);
}
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