wirenboard / wb-mqtt-opcua / 3

Committed 01 Aug 2025 11:29AM UTC coverage: 29.848%. Remained the same

Build # 3

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github

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u236

Commit Message

refactor TServerImpl class

Run Details

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2 existing lines in 1 file now uncovered.

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/src/OPCUAServer.cpp

#include "OPCUAServer.h"

#include <functional>
#include <stdexcept>
#include <vector>

#include "log.h"

#define LOG(logger) ::logger.Log() << "[OPCUA] "

namespace
{
    const char* LogCategoryNames[7] =
        {"network", "channel", "session", "server", "client", "userland", "securitypolicy"};

    void PrintLogMessage(WBMQTT::TLogger& logger, UA_LogCategory category, const char* msg, va_list args)
    {
        va_list args2;
        va_copy(args2, args);
        auto bufSize = 1 + vsnprintf(nullptr, 0, msg, args);
        std::string str(bufSize, '\0');
        vsnprintf(&str[0], bufSize, msg, args2);
        va_end(args2);
        logger.Log() << "[OPCUA] " << LogCategoryNames[category] << ": " << str;
    }

    extern "C" {
    void Log(void* context, UA_LogLevel level, UA_LogCategory category, const char* msg, va_list args)
    {
        switch (level) {
            case UA_LOGLEVEL_TRACE:
            case UA_LOGLEVEL_DEBUG:
                PrintLogMessage(Debug, category, msg, args);
                break;
            case UA_LOGLEVEL_INFO:
                PrintLogMessage(Info, category, msg, args);
                break;
            case UA_LOGLEVEL_WARNING:
                PrintLogMessage(Warn, category, msg, args);
                break;
            case UA_LOGLEVEL_ERROR:
            case UA_LOGLEVEL_FATAL:
                PrintLogMessage(Error, category, msg, args);
                break;
        }
    }

    void LogClear(void* logContext)
    {}

    UA_StatusCode ReadVariableCallback(UA_Server* sserver,
                                       const UA_NodeId* ssessionId,
                                       void* ssessionContext,
                                       const UA_NodeId* snodeId,
                                       void* snodeContext,
                                       UA_Boolean ssourceTimeStamp,
                                       const UA_NumericRange* range,
                                       UA_DataValue* dataValue)
    {
        OPCUA::TServerImpl* server = (OPCUA::TServerImpl*)(snodeContext);
        return server->ReadVariable(snodeId, dataValue);
    }

    UA_StatusCode WriteVariableCallback(UA_Server* server,
                                        const UA_NodeId* sessionId,
                                        void* sessionContext,
                                        const UA_NodeId* nodeId,
                                        void* nodeContext,
                                        const UA_NumericRange* range,
                                        const UA_DataValue* data)
    {
        OPCUA::TServerImpl* s = (OPCUA::TServerImpl*)(nodeContext);
        return s->WriteVariable(nodeId, data);
    }
    }

    UA_Logger MakeLogger()
    {
        UA_Logger logger = {Log, nullptr, LogClear};
        return logger;
    }

    void SetVariableAttributes(UA_VariableAttributes& attr, WBMQTT::PControl control)
    {
        attr.accessLevel =
            control->IsReadonly() ? UA_ACCESSLEVELMASK_READ : UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE;
        attr.displayName = UA_LOCALIZEDTEXT((char*)"en-US", (char*)control->GetId().c_str());
        attr.valueRank = UA_VALUERANK_SCALAR;
        attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATATYPE);
        try {
            auto v = control->GetValue();
            if (v.Is<bool>()) {
                attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BOOLEAN);
                return;
            }
            if (v.Is<double>()) {
                attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_DOUBLE);
                return;
            }
            return;
        } catch (...) {
        }
    }

    void ConfigureOpcUaServer(UA_ServerConfig* serverCfg, const OPCUA::TServerConfig& config)
    {
        serverCfg->logger = MakeLogger();

        UA_ServerConfig_setBasics(serverCfg);
        serverCfg->allowEmptyVariables = UA_RULEHANDLING_ACCEPT;

        UA_BuildInfo_clear(&serverCfg->buildInfo);
        UA_ApplicationDescription_clear(&serverCfg->applicationDescription);
        serverCfg->applicationDescription.applicationUri = UA_STRING_ALLOC("urn:wb-mqtt-opcua.server.application");
        serverCfg->applicationDescription.productUri = UA_STRING_ALLOC("https://wirenboard.com");
        serverCfg->applicationDescription.applicationName =
            UA_LOCALIZEDTEXT_ALLOC("en", "Wiren Board MQTT to OPC UA gateway");
        serverCfg->applicationDescription.applicationType = UA_APPLICATIONTYPE_SERVER;

        if (!config.BindIp.empty()) {
            UA_String_clear(&serverCfg->customHostname);
            serverCfg->customHostname = UA_String_fromChars(config.BindIp.c_str());
        }

        auto res = UA_ServerConfig_addNetworkLayerTCP(serverCfg, config.BindPort, 0, 0);
        if (res != UA_STATUSCODE_GOOD) {
            throw std::runtime_error(std::string("OPC UA network layer configuration failed: ") +
                                     UA_StatusCode_name(res));
        }

        res = UA_ServerConfig_addSecurityPolicyNone(serverCfg, nullptr);
        if (res != UA_STATUSCODE_GOOD) {
            throw std::runtime_error(std::string("OPC UA security policy addition failed: ") + UA_StatusCode_name(res));
        }

        res = UA_AccessControl_default(serverCfg,
                                       true,
                                       &serverCfg->securityPolicies[serverCfg->securityPoliciesSize - 1].policyUri,
                                       0,
                                       nullptr);
        if (res != UA_STATUSCODE_GOOD) {
            throw std::runtime_error(std::string("OPC UA access control configuration failed: ") +
                                     UA_StatusCode_name(res));
        }

        res = UA_ServerConfig_addEndpoint(serverCfg, UA_SECURITY_POLICY_NONE_URI, UA_MESSAGESECURITYMODE_NONE);
        if (res != UA_STATUSCODE_GOOD) {
            throw std::runtime_error(std::string("OPC UA server endpoint allocation failed: ") +
                                     UA_StatusCode_name(res));
        }
    }

}

namespace OPCUA
{
    TServerImpl::TServerImpl(const TServerConfig& config, WBMQTT::PDeviceDriver driver)
        : Server(UA_Server_new()),
          IsRunning(true),
          Config(config),
          Driver(driver)
    {
        if (!Server) {
            throw std::runtime_error("OPC UA server initilization failed");
        }

        Driver->On<WBMQTT::TControlValueEvent>(
            [&](const WBMQTT::TControlValueEvent& event) { ControlValueEventCallback(event); });

        // Load external controls
        std::vector<std::string> deviceIds;
        for (const auto& device: config.ObjectNodes) {
            LOG(Debug) << "'" << device.first << "' is added to filter";
            deviceIds.emplace_back(device.first);
        }
        Driver->SetFilter(WBMQTT::GetDeviceListFilter(deviceIds));
        Driver->WaitForReady();

        // Setup and run OPC UA server
        ConfigureOpcUaServer(UA_Server_getConfig(Server), config);
        ServerThread = std::thread([this]() {
            auto res = UA_Server_run(Server, &IsRunning);
            if (res != UA_STATUSCODE_GOOD) {
                LOG(Error) << UA_StatusCode_name(res);
                exit(1);
            }
        });
    }

    TServerImpl::~TServerImpl()
    {
        if (IsRunning) {
            IsRunning = false;
            if (ServerThread.joinable()) {
                ServerThread.join();
            }
        }
        if (Server) {
            UA_Server_delete(Server);
        }
    }

    bool TServerImpl::ControlExists(const std::string& nodeName)
    {
        std::unique_lock<std::mutex> lock(Mutex);
        return ControlMap.find(nodeName) != ControlMap.end();
    }

    void TServerImpl::AddControl(const std::string& nodeName, WBMQTT::PControl control)
    {
        std::unique_lock<std::mutex> lock(Mutex);
        ControlMap[nodeName] = control;
    }

    WBMQTT::PControl TServerImpl::GetControl(const std::string& nodeName)
    {
        std::unique_lock<std::mutex> lock(Mutex);
        auto it = ControlMap.find(nodeName);
        return it != ControlMap.end() ? it->second : nullptr;
    }

    UA_StatusCode TServerImpl::WriteVariable(const UA_NodeId* snodeId, const UA_DataValue* dataValue)
    {
        std::string nodeIdName((const char*)snodeId->identifier.string.data, snodeId->identifier.string.length);
        auto ctrl = GetControl(nodeIdName);
        if (!ctrl || ctrl->IsReadonly()) {
            LOG(Error) << "Variable node '" + nodeIdName + "' writing failed. "
                       << (ctrl ? "It is read only" : "It is not presented in MQTT");
            return UA_STATUSCODE_BADDEVICEFAILURE;
        }
        auto tx = Driver->BeginTx();
        try {
            if (dataValue->hasValue) {
                if (UA_Variant_hasScalarType(&dataValue->value, &UA_TYPES[UA_TYPES_BOOLEAN])) {
                    auto value = *(UA_Boolean*)dataValue->value.data;
                    ctrl->SetValue(tx, value).Sync();
                    LOG(Info) << "Variable node '" + nodeIdName + "' = " << value;
                    return UA_STATUSCODE_GOOD;
                }
                if (UA_Variant_hasScalarType(&dataValue->value, &UA_TYPES[UA_TYPES_DOUBLE])) {
                    auto value = *(UA_Double*)dataValue->value.data;
                    ctrl->SetValue(tx, value).Sync();
                    LOG(Info) << "Variable node '" + nodeIdName + "' = " << value;
                    return UA_STATUSCODE_GOOD;
                }
                if (UA_Variant_hasScalarType(&dataValue->value, &UA_TYPES[UA_TYPES_STRING])) {
                    auto value = (char*)((UA_String*)dataValue->value.data)->data;
                    ctrl->SetRawValue(tx, value).Sync();
                    LOG(Info) << "Variable node '" + nodeIdName + "' = " << value;
                    return UA_STATUSCODE_GOOD;
                }
            }
            return UA_STATUSCODE_BADDATATYPEIDUNKNOWN;
        } catch (const std::exception& e) {
            LOG(Error) << "Variable node '" + nodeIdName + "' write error: " << e.what();
            return UA_STATUSCODE_BADDEVICEFAILURE;
        }
    }

    UA_StatusCode TServerImpl::ReadVariable(const UA_NodeId* snodeId, UA_DataValue* dataValue)
    {
        std::string nodeIdName((const char*)snodeId->identifier.string.data, snodeId->identifier.string.length);
        auto ctrl = GetControl(nodeIdName);
        if (!ctrl) {
            LOG(Error) << "Control is not found '" + nodeIdName + "'";
            dataValue->hasStatus = true;
            dataValue->status = UA_STATUSCODE_BADNOCOMMUNICATION;
            return UA_STATUSCODE_GOOD;
        }
        try {
            dataValue->hasStatus = true;
            if (ctrl->GetError().find("r") != std::string::npos) {
                dataValue->status = UA_STATUSCODE_BAD;
            } else {
                dataValue->status = UA_STATUSCODE_GOOD;
            }
            auto v = ctrl->GetValue();
            if (v.Is<bool>()) {
                auto value = v.As<bool>();
                UA_Variant_setScalarCopy(&dataValue->value, &value, &UA_TYPES[UA_TYPES_BOOLEAN]);
            } else {
                if (v.Is<double>()) {
                    auto value = v.As<double>();
                    UA_Variant_setScalarCopy(&dataValue->value, &value, &UA_TYPES[UA_TYPES_DOUBLE]);
                } else {
                    UA_String stringValue = UA_String_fromChars((char*)v.As<std::string>().c_str());
                    UA_Variant_setScalarCopy(&dataValue->value, &stringValue, &UA_TYPES[UA_TYPES_STRING]);
                    UA_String_clear(&stringValue);
                }
            }
            dataValue->hasValue = true;
        } catch (const std::exception& e) {
            LOG(Error) << "Variable node '" + nodeIdName + "' read error: " << e.what();
            dataValue->hasStatus = true;
            dataValue->status = UA_STATUSCODE_BADNOCOMMUNICATION;
        }
        return UA_STATUSCODE_GOOD;
    }

    void TServerImpl::ControlValueEventCallback(const WBMQTT::TControlValueEvent& event)
    {
        if (event.RawValue.empty()) {
            return;
        }
        auto it = Config.ObjectNodes.find(event.Control->GetDevice()->GetId());
        if (it == Config.ObjectNodes.end()) {
            return;
        }
        std::string nodeName = it->first + "/" + event.Control->GetId();
        if (ControlExists(nodeName)) {
            return;
        }
        auto browseName = UA_QUALIFIEDNAME(1, (char*)it->first.c_str());
        auto res =
            UA_Server_browseSimplifiedBrowsePath(Server, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), 1, &browseName);
        auto parentNodeId =
            res.statusCode == UA_STATUSCODE_GOOD ? res.targets[0].targetId.nodeId : CreateObjectNode(it->first);
        for (auto& valueNode: it->second) {
            if (valueNode.DeviceControlPair != nodeName) {
                continue;
            }
            browseName = UA_QUALIFIEDNAME(1, (char*)event.Control->GetId().c_str());
            res = UA_Server_browseSimplifiedBrowsePath(Server, parentNodeId, 1, &browseName);
            if (res.statusCode != UA_STATUSCODE_GOOD) {
                AddControl(nodeName, event.Control);
                CreateVariableNode(parentNodeId, nodeName, event.Control);
                break;
            }
        }
    }

    UA_NodeId TServerImpl::CreateObjectNode(const std::string& nodeName)
    {
        UA_NodeId nodeId = UA_NODEID_STRING(1, (char*)nodeName.c_str());
        UA_ObjectAttributes oAttr = UA_ObjectAttributes_default;
        oAttr.displayName = UA_LOCALIZEDTEXT((char*)"en-US", (char*)nodeName.c_str());
        auto res = UA_Server_addObjectNode(Server,
                                           nodeId,
                                           UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                                           UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
                                           UA_QUALIFIEDNAME(1, (char*)nodeName.c_str()),
                                           UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
                                           oAttr,
                                           nullptr,
                                           nullptr);
        if (res != UA_STATUSCODE_GOOD) {
            throw std::runtime_error("Object node '" + nodeName + "' creation failed: " + UA_StatusCode_name(res));
        }
        return nodeId;
    }

    void TServerImpl::CreateVariableNode(const UA_NodeId& parentNodeId,
                                         const std::string& nodeName,
                                         WBMQTT::PControl control)
    {
        UA_VariableAttributes oAttr = UA_VariableAttributes_default;
        SetVariableAttributes(oAttr, control);

        UA_DataSource dataSource;
        dataSource.read = ReadVariableCallback;
        dataSource.write = WriteVariableCallback;

        auto res = UA_Server_addDataSourceVariableNode(Server,
                                                       UA_NODEID_STRING(1, (char*)nodeName.c_str()),
                                                       parentNodeId,
                                                       UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
                                                       UA_QUALIFIEDNAME(1, (char*)control->GetId().c_str()),
                                                       UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
                                                       oAttr,
                                                       dataSource,
                                                       this,
                                                       nullptr);
        if (res != UA_STATUSCODE_GOOD) {
            throw std::runtime_error("Variable node '" + nodeName + "' creation failed: " + UA_StatusCode_name(res));
        }
    }

    std::unique_ptr<IServer> MakeServer(const TServerConfig& config, WBMQTT::PDeviceDriver driver)
    {
        return std::unique_ptr<IServer>(new TServerImpl(config, driver));
    }
}

1	#include "OPCUAServer.h"
2
3	#include <functional>
4	#include <stdexcept>
5	#include <vector>
6
7	#include "log.h"
8
9	#define LOG(logger) ::logger.Log() << "[OPCUA] "
10
11	namespace
12	{
13	const char* LogCategoryNames[7] =
14	{"network", "channel", "session", "server", "client", "userland", "securitypolicy"};
15
16	void PrintLogMessage(WBMQTT::TLogger& logger, UA_LogCategory category, const char* msg, va_list args)	×
17	{
18	va_list args2;
19	va_copy(args2, args);	×
20	auto bufSize = 1 + vsnprintf(nullptr, 0, msg, args);	×
21	std::string str(bufSize, '\0');	×
22	vsnprintf(&str[0], bufSize, msg, args2);	×
23	va_end(args2);	×
24	logger.Log() << "[OPCUA] " << LogCategoryNames[category] << ": " << str;	×
25	}
26
27	extern "C" {
28	void Log(void* context, UA_LogLevel level, UA_LogCategory category, const char* msg, va_list args)	×
29	{
30	switch (level) {	×
31	case UA_LOGLEVEL_TRACE:	×
32	case UA_LOGLEVEL_DEBUG:
33	PrintLogMessage(Debug, category, msg, args);	×
34	break;	×
35	case UA_LOGLEVEL_INFO:	×
36	PrintLogMessage(Info, category, msg, args);	×
37	break;	×
38	case UA_LOGLEVEL_WARNING:	×
39	PrintLogMessage(Warn, category, msg, args);	×
40	break;	×
41	case UA_LOGLEVEL_ERROR:	×
42	case UA_LOGLEVEL_FATAL:
43	PrintLogMessage(Error, category, msg, args);	×
44	break;	×
45	}
46	}
47
48	void LogClear(void* logContext)	×
49	{}
50
UNCOV 51	UA_StatusCode ReadVariableCallback(UA_Server* sserver,	×
52	const UA_NodeId* ssessionId,
53	void* ssessionContext,
54	const UA_NodeId* snodeId,
55	void* snodeContext,
56	UA_Boolean ssourceTimeStamp,
57	const UA_NumericRange* range,
58	UA_DataValue* dataValue)
59	{
NEW 60	OPCUA::TServerImpl* server = (OPCUA::TServerImpl*)(snodeContext);	×
NEW 61	return server->ReadVariable(snodeId, dataValue);	×
62	}
63
UNCOV 64	UA_StatusCode WriteVariableCallback(UA_Server* server,	×
65	const UA_NodeId* sessionId,
66	void* sessionContext,
67	const UA_NodeId* nodeId,
68	void* nodeContext,
69	const UA_NumericRange* range,
70	const UA_DataValue* data)
71	{
NEW 72	OPCUA::TServerImpl* s = (OPCUA::TServerImpl*)(nodeContext);	×
NEW 73	return s->WriteVariable(nodeId, data);	×
74	}
75	}
76
77	UA_Logger MakeLogger()	×
78	{
79	UA_Logger logger = {Log, nullptr, LogClear};	×
80	return logger;	×
81	}
82
83	void SetVariableAttributes(UA_VariableAttributes& attr, WBMQTT::PControl control)	×
84	{
85	attr.accessLevel =	×
86	control->IsReadonly() ? UA_ACCESSLEVELMASK_READ : UA_ACCESSLEVELMASK_READ \| UA_ACCESSLEVELMASK_WRITE;	×
87	attr.displayName = UA_LOCALIZEDTEXT((char)"en-US", (char)control->GetId().c_str());	×
88	attr.valueRank = UA_VALUERANK_SCALAR;	×
89	attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATATYPE);	×
90	try {
91	auto v = control->GetValue();	×
92	if (v.Is<bool>()) {	×
93	attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BOOLEAN);	×
94	return;	×
95	}
96	if (v.Is<double>()) {	×
97	attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_DOUBLE);	×
98	return;	×
99	}
100	return;	×
101	} catch (...) {	×
102	}
103	}
104
105	void ConfigureOpcUaServer(UA_ServerConfig* serverCfg, const OPCUA::TServerConfig& config)	×
106	{
107	serverCfg->logger = MakeLogger();	×
108
109	UA_ServerConfig_setBasics(serverCfg);	×
110	serverCfg->allowEmptyVariables = UA_RULEHANDLING_ACCEPT;	×
111
112	UA_BuildInfo_clear(&serverCfg->buildInfo);	×
113	UA_ApplicationDescription_clear(&serverCfg->applicationDescription);	×
114	serverCfg->applicationDescription.applicationUri = UA_STRING_ALLOC("urn:wb-mqtt-opcua.server.application");	×
115	serverCfg->applicationDescription.productUri = UA_STRING_ALLOC("https://wirenboard.com");	×
116	serverCfg->applicationDescription.applicationName =
117	UA_LOCALIZEDTEXT_ALLOC("en", "Wiren Board MQTT to OPC UA gateway");	×
118	serverCfg->applicationDescription.applicationType = UA_APPLICATIONTYPE_SERVER;	×
119
120	if (!config.BindIp.empty()) {	×
121	UA_String_clear(&serverCfg->customHostname);	×
122	serverCfg->customHostname = UA_String_fromChars(config.BindIp.c_str());	×
123	}
124
125	auto res = UA_ServerConfig_addNetworkLayerTCP(serverCfg, config.BindPort, 0, 0);	×
126	if (res != UA_STATUSCODE_GOOD) {	×
127	throw std::runtime_error(std::string("OPC UA network layer configuration failed: ") +	×
128	UA_StatusCode_name(res));	×
129	}
130
131	res = UA_ServerConfig_addSecurityPolicyNone(serverCfg, nullptr);	×
132	if (res != UA_STATUSCODE_GOOD) {	×
133	throw std::runtime_error(std::string("OPC UA security policy addition failed: ") + UA_StatusCode_name(res));	×
134	}
135
136	res = UA_AccessControl_default(serverCfg,	×
137	true,
138	&serverCfg->securityPolicies[serverCfg->securityPoliciesSize - 1].policyUri,	×
139	0,
140	nullptr);
141	if (res != UA_STATUSCODE_GOOD) {	×
142	throw std::runtime_error(std::string("OPC UA access control configuration failed: ") +	×
143	UA_StatusCode_name(res));	×
144	}
145
146	res = UA_ServerConfig_addEndpoint(serverCfg, UA_SECURITY_POLICY_NONE_URI, UA_MESSAGESECURITYMODE_NONE);	×
147	if (res != UA_STATUSCODE_GOOD) {	×
148	throw std::runtime_error(std::string("OPC UA server endpoint allocation failed: ") +	×
149	UA_StatusCode_name(res));	×
150	}
151	}
152
153	}
154
155	namespace OPCUA
156	{
NEW 157	TServerImpl::TServerImpl(const TServerConfig& config, WBMQTT::PDeviceDriver driver)	×
NEW 158	: Server(UA_Server_new()),	×
159	IsRunning(true),
160	Config(config),
NEW 161	Driver(driver)	×
162	{
NEW 163	if (!Server) {	×
NEW 164	throw std::runtime_error("OPC UA server initilization failed");	×
165	}
166
NEW 167	Driver->On<WBMQTT::TControlValueEvent>(	×
NEW 168	[&](const WBMQTT::TControlValueEvent& event) { ControlValueEventCallback(event); });	×
169
170	// Load external controls
NEW 171	std::vector<std::string> deviceIds;	×
NEW 172	for (const auto& device: config.ObjectNodes) {	×
NEW 173	LOG(Debug) << "'" << device.first << "' is added to filter";	×
NEW 174	deviceIds.emplace_back(device.first);	×
175	}
NEW 176	Driver->SetFilter(WBMQTT::GetDeviceListFilter(deviceIds));	×
NEW 177	Driver->WaitForReady();	×
178
179	// Setup and run OPC UA server
NEW 180	ConfigureOpcUaServer(UA_Server_getConfig(Server), config);	×
NEW 181	ServerThread = std::thread([this]() {	×
NEW 182	auto res = UA_Server_run(Server, &IsRunning);	×
183	if (res != UA_STATUSCODE_GOOD) {	×
NEW 184	LOG(Error) << UA_StatusCode_name(res);	×
NEW 185	exit(1);	×
186	}
NEW 187	});	×
188	}
189
NEW 190	TServerImpl::~TServerImpl()	×
191	{
NEW 192	if (IsRunning) {	×
NEW 193	IsRunning = false;	×
NEW 194	if (ServerThread.joinable()) {	×
NEW 195	ServerThread.join();	×
196	}
197	}
NEW 198	if (Server) {	×
NEW 199	UA_Server_delete(Server);	×
200	}
201	}
202
NEW 203	bool TServerImpl::ControlExists(const std::string& nodeName)	×
204	{
NEW 205	std::unique_lock<std::mutex> lock(Mutex);	×
NEW 206	return ControlMap.find(nodeName) != ControlMap.end();	×
207	}
208
NEW 209	void TServerImpl::AddControl(const std::string& nodeName, WBMQTT::PControl control)	×
210	{
NEW 211	std::unique_lock<std::mutex> lock(Mutex);	×
NEW 212	ControlMap[nodeName] = control;	×
213	}
214
NEW 215	WBMQTT::PControl TServerImpl::GetControl(const std::string& nodeName)	×
216	{
NEW 217	std::unique_lock<std::mutex> lock(Mutex);	×
NEW 218	auto it = ControlMap.find(nodeName);	×
NEW 219	return it != ControlMap.end() ? it->second : nullptr;	×
220	}
221
NEW 222	UA_StatusCode TServerImpl::WriteVariable(const UA_NodeId* snodeId, const UA_DataValue* dataValue)	×
223	{
NEW 224	std::string nodeIdName((const char*)snodeId->identifier.string.data, snodeId->identifier.string.length);	×
NEW 225	auto ctrl = GetControl(nodeIdName);	×
NEW 226	if (!ctrl \|\| ctrl->IsReadonly()) {	×
NEW 227	LOG(Error) << "Variable node '" + nodeIdName + "' writing failed. "	×
NEW 228	<< (ctrl ? "It is read only" : "It is not presented in MQTT");	×
NEW 229	return UA_STATUSCODE_BADDEVICEFAILURE;	×
230	}
NEW 231	auto tx = Driver->BeginTx();	×
232	try {
NEW 233	if (dataValue->hasValue) {	×
NEW 234	if (UA_Variant_hasScalarType(&dataValue->value, &UA_TYPES[UA_TYPES_BOOLEAN])) {	×
NEW 235	auto value = (UA_Boolean)dataValue->value.data;	×
NEW 236	ctrl->SetValue(tx, value).Sync();	×
NEW 237	LOG(Info) << "Variable node '" + nodeIdName + "' = " << value;	×
NEW 238	return UA_STATUSCODE_GOOD;	×
239	}
NEW 240	if (UA_Variant_hasScalarType(&dataValue->value, &UA_TYPES[UA_TYPES_DOUBLE])) {	×
NEW 241	auto value = (UA_Double)dataValue->value.data;	×
NEW 242	ctrl->SetValue(tx, value).Sync();	×
NEW 243	LOG(Info) << "Variable node '" + nodeIdName + "' = " << value;	×
NEW 244	return UA_STATUSCODE_GOOD;	×
245	}
NEW 246	if (UA_Variant_hasScalarType(&dataValue->value, &UA_TYPES[UA_TYPES_STRING])) {	×
NEW 247	auto value = (char)((UA_String)dataValue->value.data)->data;	×
NEW 248	ctrl->SetRawValue(tx, value).Sync();	×
NEW 249	LOG(Info) << "Variable node '" + nodeIdName + "' = " << value;	×
NEW 250	return UA_STATUSCODE_GOOD;	×
251	}
252	}
NEW 253	return UA_STATUSCODE_BADDATATYPEIDUNKNOWN;	×
NEW 254	} catch (const std::exception& e) {	×
NEW 255	LOG(Error) << "Variable node '" + nodeIdName + "' write error: " << e.what();	×
NEW 256	return UA_STATUSCODE_BADDEVICEFAILURE;	×
257	}
258	}
259
NEW 260	UA_StatusCode TServerImpl::ReadVariable(const UA_NodeId* snodeId, UA_DataValue* dataValue)	×
261	{
NEW 262	std::string nodeIdName((const char*)snodeId->identifier.string.data, snodeId->identifier.string.length);	×
NEW 263	auto ctrl = GetControl(nodeIdName);	×
NEW 264	if (!ctrl) {	×
NEW 265	LOG(Error) << "Control is not found '" + nodeIdName + "'";	×
NEW 266	dataValue->hasStatus = true;	×
NEW 267	dataValue->status = UA_STATUSCODE_BADNOCOMMUNICATION;	×
NEW 268	return UA_STATUSCODE_GOOD;	×
269	}
270	try {
NEW 271	dataValue->hasStatus = true;	×
NEW 272	if (ctrl->GetError().find("r") != std::string::npos) {	×
NEW 273	dataValue->status = UA_STATUSCODE_BAD;	×
274	} else {
NEW 275	dataValue->status = UA_STATUSCODE_GOOD;	×
276	}
NEW 277	auto v = ctrl->GetValue();	×
NEW 278	if (v.Is<bool>()) {	×
NEW 279	auto value = v.As<bool>();	×
NEW 280	UA_Variant_setScalarCopy(&dataValue->value, &value, &UA_TYPES[UA_TYPES_BOOLEAN]);	×
281	} else {
NEW 282	if (v.Is<double>()) {	×
NEW 283	auto value = v.As<double>();	×
NEW 284	UA_Variant_setScalarCopy(&dataValue->value, &value, &UA_TYPES[UA_TYPES_DOUBLE]);	×
285	} else {
NEW 286	UA_String stringValue = UA_String_fromChars((char*)v.As<std::string>().c_str());	×
NEW 287	UA_Variant_setScalarCopy(&dataValue->value, &stringValue, &UA_TYPES[UA_TYPES_STRING]);	×
NEW 288	UA_String_clear(&stringValue);	×
289	}
290	}
NEW 291	dataValue->hasValue = true;	×
NEW 292	} catch (const std::exception& e) {	×
NEW 293	LOG(Error) << "Variable node '" + nodeIdName + "' read error: " << e.what();	×
NEW 294	dataValue->hasStatus = true;	×
NEW 295	dataValue->status = UA_STATUSCODE_BADNOCOMMUNICATION;	×
296	}
NEW 297	return UA_STATUSCODE_GOOD;	×
298	}
299
NEW 300	void TServerImpl::ControlValueEventCallback(const WBMQTT::TControlValueEvent& event)	×
301	{
NEW 302	if (event.RawValue.empty()) {	×
NEW 303	return;	×
304	}
NEW 305	auto it = Config.ObjectNodes.find(event.Control->GetDevice()->GetId());	×
NEW 306	if (it == Config.ObjectNodes.end()) {	×
NEW 307	return;	×
308	}
NEW 309	std::string nodeName = it->first + "/" + event.Control->GetId();	×
NEW 310	if (ControlExists(nodeName)) {	×
NEW 311	return;	×
312	}
NEW 313	auto browseName = UA_QUALIFIEDNAME(1, (char*)it->first.c_str());	×
314	auto res =
NEW 315	UA_Server_browseSimplifiedBrowsePath(Server, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), 1, &browseName);	×
316	auto parentNodeId =
NEW 317	res.statusCode == UA_STATUSCODE_GOOD ? res.targets[0].targetId.nodeId : CreateObjectNode(it->first);	×
NEW 318	for (auto& valueNode: it->second) {	×
NEW 319	if (valueNode.DeviceControlPair != nodeName) {	×
NEW 320	continue;	×
321	}
NEW 322	browseName = UA_QUALIFIEDNAME(1, (char*)event.Control->GetId().c_str());	×
NEW 323	res = UA_Server_browseSimplifiedBrowsePath(Server, parentNodeId, 1, &browseName);	×
NEW 324	if (res.statusCode != UA_STATUSCODE_GOOD) {	×
NEW 325	AddControl(nodeName, event.Control);	×
NEW 326	CreateVariableNode(parentNodeId, nodeName, event.Control);	×
NEW 327	break;	×
328	}
329	}
330	}
331
NEW 332	UA_NodeId TServerImpl::CreateObjectNode(const std::string& nodeName)	×
333	{
NEW 334	UA_NodeId nodeId = UA_NODEID_STRING(1, (char*)nodeName.c_str());	×
NEW 335	UA_ObjectAttributes oAttr = UA_ObjectAttributes_default;	×
NEW 336	oAttr.displayName = UA_LOCALIZEDTEXT((char)"en-US", (char)nodeName.c_str());	×
NEW 337	auto res = UA_Server_addObjectNode(Server,	×
338	nodeId,
339	UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
340	UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
NEW 341	UA_QUALIFIEDNAME(1, (char*)nodeName.c_str()),	×
342	UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
343	oAttr,
344	nullptr,
345	nullptr);
NEW 346	if (res != UA_STATUSCODE_GOOD) {	×
NEW 347	throw std::runtime_error("Object node '" + nodeName + "' creation failed: " + UA_StatusCode_name(res));	×
348	}
NEW 349	return nodeId;	×
350	}
351
NEW 352	void TServerImpl::CreateVariableNode(const UA_NodeId& parentNodeId,	×
353	const std::string& nodeName,
354	WBMQTT::PControl control)
355	{
NEW 356	UA_VariableAttributes oAttr = UA_VariableAttributes_default;	×
NEW 357	SetVariableAttributes(oAttr, control);	×
358
359	UA_DataSource dataSource;
NEW 360	dataSource.read = ReadVariableCallback;	×
NEW 361	dataSource.write = WriteVariableCallback;	×
362
NEW 363	auto res = UA_Server_addDataSourceVariableNode(Server,	×
NEW 364	UA_NODEID_STRING(1, (char*)nodeName.c_str()),	×
365	parentNodeId,
366	UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT),
NEW 367	UA_QUALIFIEDNAME(1, (char*)control->GetId().c_str()),	×
368	UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
369	oAttr,
370	dataSource,
371	this,
372	nullptr);
NEW 373	if (res != UA_STATUSCODE_GOOD) {	×
NEW 374	throw std::runtime_error("Variable node '" + nodeName + "' creation failed: " + UA_StatusCode_name(res));	×
375	}
376	}
377
NEW 378	std::unique_ptr<IServer> MakeServer(const TServerConfig& config, WBMQTT::PDeviceDriver driver)	×
379	{
NEW 380	return std::unique_ptr<IServer>(new TServerImpl(config, driver));	×
381	}
382	}

wirenboard / wb-mqtt-opcua / 3

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