xref: /openbmc/bmcweb/features/redfish/lib/ethernet.hpp (revision 82fd90f0550794f8f93877dfc7cfdb0aa3124ece)
1 /*
2 // Copyright (c) 2018 Intel Corporation
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 */
16 #pragma once
17 
18 #include <boost/container/flat_map.hpp>
19 #include <boost/container/flat_set.hpp>
20 #include <dbus_singleton.hpp>
21 #include <error_messages.hpp>
22 #include <node.hpp>
23 #include <optional>
24 #include <utils/json_utils.hpp>
25 #include <variant>
26 
27 namespace redfish
28 {
29 
30 /**
31  * DBus types primitives for several generic DBus interfaces
32  * TODO(Pawel) consider move this to separate file into boost::dbus
33  */
34 using PropertiesMapType = boost::container::flat_map<
35     std::string, std::variant<std::string, bool, uint8_t, int16_t, uint16_t,
36                               int32_t, uint32_t, int64_t, uint64_t, double>>;
37 
38 using GetManagedObjects = std::vector<std::pair<
39     sdbusplus::message::object_path,
40     std::vector<std::pair<
41         std::string,
42         boost::container::flat_map<
43             std::string, sdbusplus::message::variant<
44                              std::string, bool, uint8_t, int16_t, uint16_t,
45                              int32_t, uint32_t, int64_t, uint64_t, double,
46                              std::vector<std::string>>>>>>>;
47 
48 enum class LinkType
49 {
50     Local,
51     Global
52 };
53 
54 /**
55  * Structure for keeping IPv4 data required by Redfish
56  */
57 struct IPv4AddressData
58 {
59     std::string id;
60     std::string address;
61     std::string domain;
62     std::string gateway;
63     std::string netmask;
64     std::string origin;
65     LinkType linktype;
66 
67     bool operator<(const IPv4AddressData &obj) const
68     {
69         return id < obj.id;
70     }
71 };
72 
73 /**
74  * Structure for keeping basic single Ethernet Interface information
75  * available from DBus
76  */
77 struct EthernetInterfaceData
78 {
79     uint32_t speed;
80     bool auto_neg;
81     std::string hostname;
82     std::string default_gateway;
83     std::string mac_address;
84     std::optional<uint32_t> vlan_id;
85     std::vector<std::string> nameservers;
86 };
87 
88 // Helper function that changes bits netmask notation (i.e. /24)
89 // into full dot notation
90 inline std::string getNetmask(unsigned int bits)
91 {
92     uint32_t value = 0xffffffff << (32 - bits);
93     std::string netmask = std::to_string((value >> 24) & 0xff) + "." +
94                           std::to_string((value >> 16) & 0xff) + "." +
95                           std::to_string((value >> 8) & 0xff) + "." +
96                           std::to_string(value & 0xff);
97     return netmask;
98 }
99 
100 inline std::string
101     translateAddressOriginDbusToRedfish(const std::string &inputOrigin,
102                                         bool isIPv4)
103 {
104     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.Static")
105     {
106         return "Static";
107     }
108     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.LinkLocal")
109     {
110         if (isIPv4)
111         {
112             return "IPv4LinkLocal";
113         }
114         else
115         {
116             return "LinkLocal";
117         }
118     }
119     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP")
120     {
121         if (isIPv4)
122         {
123             return "DHCP";
124         }
125         else
126         {
127             return "DHCPv6";
128         }
129     }
130     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.SLAAC")
131     {
132         return "SLAAC";
133     }
134     return "";
135 }
136 
137 inline std::string
138     translateAddressOriginRedfishToDbus(const std::string &inputOrigin)
139 {
140     if (inputOrigin == "Static")
141     {
142         return "xyz.openbmc_project.Network.IP.AddressOrigin.Static";
143     }
144     if (inputOrigin == "DHCP" || inputOrigin == "DHCPv6")
145     {
146         return "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP";
147     }
148     if (inputOrigin == "IPv4LinkLocal" || inputOrigin == "LinkLocal")
149     {
150         return "xyz.openbmc_project.Network.IP.AddressOrigin.LinkLocal";
151     }
152     if (inputOrigin == "SLAAC")
153     {
154         return "xyz.openbmc_project.Network.IP.AddressOrigin.SLAAC";
155     }
156     return "";
157 }
158 
159 inline void extractEthernetInterfaceData(const std::string &ethiface_id,
160                                          const GetManagedObjects &dbus_data,
161                                          EthernetInterfaceData &ethData)
162 {
163     for (const auto &objpath : dbus_data)
164     {
165         for (const auto &ifacePair : objpath.second)
166         {
167             if (objpath.first == "/xyz/openbmc_project/network/" + ethiface_id)
168             {
169                 if (ifacePair.first == "xyz.openbmc_project.Network.MACAddress")
170                 {
171                     for (const auto &propertyPair : ifacePair.second)
172                     {
173                         if (propertyPair.first == "MACAddress")
174                         {
175                             const std::string *mac =
176                                 std::get_if<std::string>(&propertyPair.second);
177                             if (mac != nullptr)
178                             {
179                                 ethData.mac_address = *mac;
180                             }
181                         }
182                     }
183                 }
184                 else if (ifacePair.first == "xyz.openbmc_project.Network.VLAN")
185                 {
186                     for (const auto &propertyPair : ifacePair.second)
187                     {
188                         if (propertyPair.first == "Id")
189                         {
190                             const uint32_t *id =
191                                 std::get_if<uint32_t>(&propertyPair.second);
192                             if (id != nullptr)
193                             {
194                                 ethData.vlan_id = *id;
195                             }
196                         }
197                     }
198                 }
199                 else if (ifacePair.first ==
200                          "xyz.openbmc_project.Network.EthernetInterface")
201                 {
202                     for (const auto &propertyPair : ifacePair.second)
203                     {
204                         if (propertyPair.first == "AutoNeg")
205                         {
206                             const bool *auto_neg =
207                                 std::get_if<bool>(&propertyPair.second);
208                             if (auto_neg != nullptr)
209                             {
210                                 ethData.auto_neg = *auto_neg;
211                             }
212                         }
213                         else if (propertyPair.first == "Speed")
214                         {
215                             const uint32_t *speed =
216                                 std::get_if<uint32_t>(&propertyPair.second);
217                             if (speed != nullptr)
218                             {
219                                 ethData.speed = *speed;
220                             }
221                         }
222                         else if (propertyPair.first == "NameServers")
223                         {
224                             const std::vector<std::string> *nameservers =
225                                 sdbusplus::message::variant_ns::get_if<
226                                     std::vector<std::string>>(
227                                     &propertyPair.second);
228                             if (nameservers != nullptr)
229                             {
230                                 ethData.nameservers = std::move(*nameservers);
231                             }
232                         }
233                     }
234                 }
235             }
236             // System configuration shows up in the global namespace, so no need
237             // to check eth number
238             if (ifacePair.first ==
239                 "xyz.openbmc_project.Network.SystemConfiguration")
240             {
241                 for (const auto &propertyPair : ifacePair.second)
242                 {
243                     if (propertyPair.first == "HostName")
244                     {
245                         const std::string *hostname =
246                             sdbusplus::message::variant_ns::get_if<std::string>(
247                                 &propertyPair.second);
248                         if (hostname != nullptr)
249                         {
250                             ethData.hostname = *hostname;
251                         }
252                     }
253                     else if (propertyPair.first == "DefaultGateway")
254                     {
255                         const std::string *defaultGateway =
256                             sdbusplus::message::variant_ns::get_if<std::string>(
257                                 &propertyPair.second);
258                         if (defaultGateway != nullptr)
259                         {
260                             ethData.default_gateway = *defaultGateway;
261                         }
262                     }
263                 }
264             }
265         }
266     }
267 }
268 
269 // Helper function that extracts data for single ethernet ipv4 address
270 inline void
271     extractIPData(const std::string &ethiface_id,
272                   const GetManagedObjects &dbus_data,
273                   boost::container::flat_set<IPv4AddressData> &ipv4_config)
274 {
275     const std::string ipv4PathStart =
276         "/xyz/openbmc_project/network/" + ethiface_id + "/ipv4/";
277 
278     // Since there might be several IPv4 configurations aligned with
279     // single ethernet interface, loop over all of them
280     for (const auto &objpath : dbus_data)
281     {
282         // Check if proper pattern for object path appears
283         if (boost::starts_with(objpath.first.str, ipv4PathStart))
284         {
285             for (auto &interface : objpath.second)
286             {
287                 if (interface.first == "xyz.openbmc_project.Network.IP")
288                 {
289                     // Instance IPv4AddressData structure, and set as
290                     // appropriate
291                     std::pair<
292                         boost::container::flat_set<IPv4AddressData>::iterator,
293                         bool>
294                         it = ipv4_config.insert(
295                             {objpath.first.str.substr(ipv4PathStart.size())});
296                     IPv4AddressData &ipv4_address = *it.first;
297                     for (auto &property : interface.second)
298                     {
299                         if (property.first == "Address")
300                         {
301                             const std::string *address =
302                                 std::get_if<std::string>(&property.second);
303                             if (address != nullptr)
304                             {
305                                 ipv4_address.address = *address;
306                             }
307                         }
308                         else if (property.first == "Gateway")
309                         {
310                             const std::string *gateway =
311                                 std::get_if<std::string>(&property.second);
312                             if (gateway != nullptr)
313                             {
314                                 ipv4_address.gateway = *gateway;
315                             }
316                         }
317                         else if (property.first == "Origin")
318                         {
319                             const std::string *origin =
320                                 std::get_if<std::string>(&property.second);
321                             if (origin != nullptr)
322                             {
323                                 ipv4_address.origin =
324                                     translateAddressOriginDbusToRedfish(*origin,
325                                                                         true);
326                             }
327                         }
328                         else if (property.first == "PrefixLength")
329                         {
330                             const uint8_t *mask =
331                                 std::get_if<uint8_t>(&property.second);
332                             if (mask != nullptr)
333                             {
334                                 // convert it to the string
335                                 ipv4_address.netmask = getNetmask(*mask);
336                             }
337                         }
338                         else
339                         {
340                             BMCWEB_LOG_ERROR
341                                 << "Got extra property: " << property.first
342                                 << " on the " << objpath.first.str << " object";
343                         }
344                     }
345                     // Check if given address is local, or global
346                     ipv4_address.linktype =
347                         boost::starts_with(ipv4_address.address, "169.254.")
348                             ? LinkType::Global
349                             : LinkType::Local;
350                 }
351             }
352         }
353     }
354 }
355 
356 /**
357  * @brief Sets given Id on the given VLAN interface through D-Bus
358  *
359  * @param[in] ifaceId       Id of VLAN interface that should be modified
360  * @param[in] inputVlanId   New ID of the VLAN
361  * @param[in] callback      Function that will be called after the operation
362  *
363  * @return None.
364  */
365 template <typename CallbackFunc>
366 void changeVlanId(const std::string &ifaceId, const uint32_t &inputVlanId,
367                   CallbackFunc &&callback)
368 {
369     crow::connections::systemBus->async_method_call(
370         callback, "xyz.openbmc_project.Network",
371         std::string("/xyz/openbmc_project/network/") + ifaceId,
372         "org.freedesktop.DBus.Properties", "Set",
373         "xyz.openbmc_project.Network.VLAN", "Id",
374         std::variant<uint32_t>(inputVlanId));
375 }
376 
377 /**
378  * @brief Helper function that verifies IP address to check if it is in
379  *        proper format. If bits pointer is provided, also calculates active
380  *        bit count for Subnet Mask.
381  *
382  * @param[in]  ip     IP that will be verified
383  * @param[out] bits   Calculated mask in bits notation
384  *
385  * @return true in case of success, false otherwise
386  */
387 inline bool ipv4VerifyIpAndGetBitcount(const std::string &ip,
388                                        uint8_t *bits = nullptr)
389 {
390     std::vector<std::string> bytesInMask;
391 
392     boost::split(bytesInMask, ip, boost::is_any_of("."));
393 
394     static const constexpr int ipV4AddressSectionsCount = 4;
395     if (bytesInMask.size() != ipV4AddressSectionsCount)
396     {
397         return false;
398     }
399 
400     if (bits != nullptr)
401     {
402         *bits = 0;
403     }
404 
405     char *endPtr;
406     long previousValue = 255;
407     bool firstZeroInByteHit;
408     for (const std::string &byte : bytesInMask)
409     {
410         if (byte.empty())
411         {
412             return false;
413         }
414 
415         // Use strtol instead of stroi to avoid exceptions
416         long value = std::strtol(byte.c_str(), &endPtr, 10);
417 
418         // endPtr should point to the end of the string, otherwise given string
419         // is not 100% number
420         if (*endPtr != '\0')
421         {
422             return false;
423         }
424 
425         // Value should be contained in byte
426         if (value < 0 || value > 255)
427         {
428             return false;
429         }
430 
431         if (bits != nullptr)
432         {
433             // Mask has to be continuous between bytes
434             if (previousValue != 255 && value != 0)
435             {
436                 return false;
437             }
438 
439             // Mask has to be continuous inside bytes
440             firstZeroInByteHit = false;
441 
442             // Count bits
443             for (int bitIdx = 7; bitIdx >= 0; bitIdx--)
444             {
445                 if (value & (1 << bitIdx))
446                 {
447                     if (firstZeroInByteHit)
448                     {
449                         // Continuity not preserved
450                         return false;
451                     }
452                     else
453                     {
454                         (*bits)++;
455                     }
456                 }
457                 else
458                 {
459                     firstZeroInByteHit = true;
460                 }
461             }
462         }
463 
464         previousValue = value;
465     }
466 
467     return true;
468 }
469 
470 /**
471  * @brief Changes IPv4 address type property (Address, Gateway)
472  *
473  * @param[in] ifaceId     Id of interface whose IP should be modified
474  * @param[in] ipIdx       Index of IP in input array that should be modified
475  * @param[in] ipHash      DBus Hash id of modified IP
476  * @param[in] name        Name of field in JSON representation
477  * @param[in] newValue    New value that should be written
478  * @param[io] asyncResp   Response object that will be returned to client
479  *
480  * @return true if give IP is valid and has been sent do D-Bus, false
481  * otherwise
482  */
483 inline void changeIPv4AddressProperty(
484     const std::string &ifaceId, int ipIdx, const std::string &ipHash,
485     const std::string &name, const std::string &newValue,
486     const std::shared_ptr<AsyncResp> asyncResp)
487 {
488     auto callback = [asyncResp, ipIdx, name{std::string(name)},
489                      newValue{std::move(newValue)}](
490                         const boost::system::error_code ec) {
491         if (ec)
492         {
493             messages::internalError(asyncResp->res);
494         }
495         else
496         {
497             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx][name] = newValue;
498         }
499     };
500 
501     crow::connections::systemBus->async_method_call(
502         std::move(callback), "xyz.openbmc_project.Network",
503         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
504         "org.freedesktop.DBus.Properties", "Set",
505         "xyz.openbmc_project.Network.IP", name,
506         std::variant<std::string>(newValue));
507 }
508 
509 /**
510  * @brief Changes IPv4 address origin property
511  *
512  * @param[in] ifaceId       Id of interface whose IP should be modified
513  * @param[in] ipIdx         Index of IP in input array that should be
514  * modified
515  * @param[in] ipHash        DBus Hash id of modified IP
516  * @param[in] newValue      New value in Redfish format
517  * @param[in] newValueDbus  New value in D-Bus format
518  * @param[io] asyncResp     Response object that will be returned to client
519  *
520  * @return true if give IP is valid and has been sent do D-Bus, false
521  * otherwise
522  */
523 inline void changeIPv4Origin(const std::string &ifaceId, int ipIdx,
524                              const std::string &ipHash,
525                              const std::string &newValue,
526                              const std::string &newValueDbus,
527                              const std::shared_ptr<AsyncResp> asyncResp)
528 {
529     auto callback = [asyncResp, ipIdx, newValue{std::move(newValue)}](
530                         const boost::system::error_code ec) {
531         if (ec)
532         {
533             messages::internalError(asyncResp->res);
534         }
535         else
536         {
537             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx]["AddressOrigin"] =
538                 newValue;
539         }
540     };
541 
542     crow::connections::systemBus->async_method_call(
543         std::move(callback), "xyz.openbmc_project.Network",
544         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
545         "org.freedesktop.DBus.Properties", "Set",
546         "xyz.openbmc_project.Network.IP", "Origin",
547         std::variant<std::string>(newValueDbus));
548 }
549 
550 /**
551  * @brief Modifies SubnetMask for given IP
552  *
553  * @param[in] ifaceId      Id of interface whose IP should be modified
554  * @param[in] ipIdx        Index of IP in input array that should be
555  * modified
556  * @param[in] ipHash       DBus Hash id of modified IP
557  * @param[in] newValueStr  Mask in dot notation as string
558  * @param[in] newValue     Mask as PrefixLength in bitcount
559  * @param[io] asyncResp   Response object that will be returned to client
560  *
561  * @return None
562  */
563 inline void changeIPv4SubnetMaskProperty(const std::string &ifaceId, int ipIdx,
564                                          const std::string &ipHash,
565                                          const std::string &newValueStr,
566                                          uint8_t &newValue,
567                                          std::shared_ptr<AsyncResp> asyncResp)
568 {
569     auto callback = [asyncResp, ipIdx, newValueStr{std::move(newValueStr)}](
570                         const boost::system::error_code ec) {
571         if (ec)
572         {
573             messages::internalError(asyncResp->res);
574         }
575         else
576         {
577             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx]["SubnetMask"] =
578                 newValueStr;
579         }
580     };
581 
582     crow::connections::systemBus->async_method_call(
583         std::move(callback), "xyz.openbmc_project.Network",
584         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
585         "org.freedesktop.DBus.Properties", "Set",
586         "xyz.openbmc_project.Network.IP", "PrefixLength",
587         std::variant<uint8_t>(newValue));
588 }
589 
590 /**
591  * @brief Deletes given IPv4
592  *
593  * @param[in] ifaceId     Id of interface whose IP should be deleted
594  * @param[in] ipIdx       Index of IP in input array that should be deleted
595  * @param[in] ipHash      DBus Hash id of IP that should be deleted
596  * @param[io] asyncResp   Response object that will be returned to client
597  *
598  * @return None
599  */
600 inline void deleteIPv4(const std::string &ifaceId, const std::string &ipHash,
601                        unsigned int ipIdx,
602                        const std::shared_ptr<AsyncResp> asyncResp)
603 {
604     crow::connections::systemBus->async_method_call(
605         [ipIdx, asyncResp](const boost::system::error_code ec) {
606             if (ec)
607             {
608                 messages::internalError(asyncResp->res);
609             }
610             else
611             {
612                 asyncResp->res.jsonValue["IPv4Addresses"][ipIdx] = nullptr;
613             }
614         },
615         "xyz.openbmc_project.Network",
616         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
617         "xyz.openbmc_project.Object.Delete", "Delete");
618 }
619 
620 /**
621  * @brief Creates IPv4 with given data
622  *
623  * @param[in] ifaceId     Id of interface whose IP should be deleted
624  * @param[in] ipIdx       Index of IP in input array that should be deleted
625  * @param[in] ipHash      DBus Hash id of IP that should be deleted
626  * @param[io] asyncResp   Response object that will be returned to client
627  *
628  * @return None
629  */
630 inline void createIPv4(const std::string &ifaceId, unsigned int ipIdx,
631                        uint8_t subnetMask, const std::string &gateway,
632                        const std::string &address,
633                        std::shared_ptr<AsyncResp> asyncResp)
634 {
635     auto createIpHandler = [asyncResp](const boost::system::error_code ec) {
636         if (ec)
637         {
638             messages::internalError(asyncResp->res);
639         }
640     };
641 
642     crow::connections::systemBus->async_method_call(
643         std::move(createIpHandler), "xyz.openbmc_project.Network",
644         "/xyz/openbmc_project/network/" + ifaceId,
645         "xyz.openbmc_project.Network.IP.Create", "IP",
646         "xyz.openbmc_project.Network.IP.Protocol.IPv4", address, subnetMask,
647         gateway);
648 }
649 
650 /**
651  * Function that retrieves all properties for given Ethernet Interface
652  * Object
653  * from EntityManager Network Manager
654  * @param ethiface_id a eth interface id to query on DBus
655  * @param callback a function that shall be called to convert Dbus output
656  * into JSON
657  */
658 template <typename CallbackFunc>
659 void getEthernetIfaceData(const std::string &ethiface_id,
660                           CallbackFunc &&callback)
661 {
662     crow::connections::systemBus->async_method_call(
663         [ethiface_id{std::string{ethiface_id}}, callback{std::move(callback)}](
664             const boost::system::error_code error_code,
665             const GetManagedObjects &resp) {
666             EthernetInterfaceData ethData{};
667             boost::container::flat_set<IPv4AddressData> ipv4Data;
668 
669             if (error_code)
670             {
671                 callback(false, ethData, ipv4Data);
672                 return;
673             }
674 
675             extractEthernetInterfaceData(ethiface_id, resp, ethData);
676             extractIPData(ethiface_id, resp, ipv4Data);
677 
678             // Fix global GW
679             for (IPv4AddressData &ipv4 : ipv4Data)
680             {
681                 if ((ipv4.linktype == LinkType::Global) &&
682                     (ipv4.gateway == "0.0.0.0"))
683                 {
684                     ipv4.gateway = ethData.default_gateway;
685                 }
686             }
687 
688             // Finally make a callback with usefull data
689             callback(true, ethData, ipv4Data);
690         },
691         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
692         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
693 };
694 
695 /**
696  * Function that retrieves all Ethernet Interfaces available through Network
697  * Manager
698  * @param callback a function that shall be called to convert Dbus output
699  * into JSON.
700  */
701 template <typename CallbackFunc>
702 void getEthernetIfaceList(CallbackFunc &&callback)
703 {
704     crow::connections::systemBus->async_method_call(
705         [callback{std::move(callback)}](
706             const boost::system::error_code error_code,
707             GetManagedObjects &resp) {
708             // Callback requires vector<string> to retrieve all available
709             // ethernet interfaces
710             std::vector<std::string> iface_list;
711             iface_list.reserve(resp.size());
712             if (error_code)
713             {
714                 callback(false, iface_list);
715                 return;
716             }
717 
718             // Iterate over all retrieved ObjectPaths.
719             for (const auto &objpath : resp)
720             {
721                 // And all interfaces available for certain ObjectPath.
722                 for (const auto &interface : objpath.second)
723                 {
724                     // If interface is
725                     // xyz.openbmc_project.Network.EthernetInterface, this is
726                     // what we're looking for.
727                     if (interface.first ==
728                         "xyz.openbmc_project.Network.EthernetInterface")
729                     {
730                         // Cut out everyting until last "/", ...
731                         const std::string &iface_id = objpath.first.str;
732                         std::size_t last_pos = iface_id.rfind("/");
733                         if (last_pos != std::string::npos)
734                         {
735                             // and put it into output vector.
736                             iface_list.emplace_back(
737                                 iface_id.substr(last_pos + 1));
738                         }
739                     }
740                 }
741             }
742             // Finally make a callback with useful data
743             callback(true, iface_list);
744         },
745         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
746         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
747 };
748 
749 /**
750  * EthernetCollection derived class for delivering Ethernet Collection Schema
751  */
752 class EthernetCollection : public Node
753 {
754   public:
755     template <typename CrowApp>
756     EthernetCollection(CrowApp &app) :
757         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/")
758     {
759         entityPrivileges = {
760             {boost::beast::http::verb::get, {{"Login"}}},
761             {boost::beast::http::verb::head, {{"Login"}}},
762             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
763             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
764             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
765             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
766     }
767 
768   private:
769     /**
770      * Functions triggers appropriate requests on DBus
771      */
772     void doGet(crow::Response &res, const crow::Request &req,
773                const std::vector<std::string> &params) override
774     {
775         res.jsonValue["@odata.type"] =
776             "#EthernetInterfaceCollection.EthernetInterfaceCollection";
777         res.jsonValue["@odata.context"] =
778             "/redfish/v1/"
779             "$metadata#EthernetInterfaceCollection.EthernetInterfaceCollection";
780         res.jsonValue["@odata.id"] =
781             "/redfish/v1/Managers/bmc/EthernetInterfaces";
782         res.jsonValue["Name"] = "Ethernet Network Interface Collection";
783         res.jsonValue["Description"] =
784             "Collection of EthernetInterfaces for this Manager";
785 
786         // Get eth interface list, and call the below callback for JSON
787         // preparation
788         getEthernetIfaceList(
789             [&res](const bool &success,
790                    const std::vector<std::string> &iface_list) {
791                 if (!success)
792                 {
793                     messages::internalError(res);
794                     res.end();
795                     return;
796                 }
797 
798                 nlohmann::json &iface_array = res.jsonValue["Members"];
799                 iface_array = nlohmann::json::array();
800                 for (const std::string &iface_item : iface_list)
801                 {
802                     iface_array.push_back(
803                         {{"@odata.id",
804                           "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
805                               iface_item}});
806                 }
807 
808                 res.jsonValue["Members@odata.count"] = iface_array.size();
809                 res.jsonValue["@odata.id"] =
810                     "/redfish/v1/Managers/bmc/EthernetInterfaces";
811                 res.end();
812             });
813     }
814 };
815 
816 /**
817  * EthernetInterface derived class for delivering Ethernet Schema
818  */
819 class EthernetInterface : public Node
820 {
821   public:
822     /*
823      * Default Constructor
824      */
825     template <typename CrowApp>
826     EthernetInterface(CrowApp &app) :
827         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/",
828              std::string())
829     {
830         entityPrivileges = {
831             {boost::beast::http::verb::get, {{"Login"}}},
832             {boost::beast::http::verb::head, {{"Login"}}},
833             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
834             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
835             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
836             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
837     }
838 
839     // TODO(kkowalsk) Find a suitable class/namespace for this
840     static void handleVlanPatch(const std::string &ifaceId, bool vlanEnable,
841                                 uint64_t vlanId,
842                                 const EthernetInterfaceData &ethData,
843                                 const std::shared_ptr<AsyncResp> asyncResp)
844     {
845         if (!ethData.vlan_id)
846         {
847             // This interface is not a VLAN. Cannot do anything with it
848             // TODO(kkowalsk) Change this message
849             messages::propertyNotWritable(asyncResp->res, "VLANEnable");
850 
851             return;
852         }
853 
854         // VLAN is configured on the interface
855         if (vlanEnable == true)
856         {
857             // Change VLAN Id
858             asyncResp->res.jsonValue["VLANId"] = vlanId;
859             auto callback = [asyncResp](const boost::system::error_code ec) {
860                 if (ec)
861                 {
862                     messages::internalError(asyncResp->res);
863                 }
864                 else
865                 {
866                     asyncResp->res.jsonValue["VLANEnable"] = true;
867                 }
868             };
869             crow::connections::systemBus->async_method_call(
870                 std::move(callback), "xyz.openbmc_project.Network",
871                 "/xyz/openbmc_project/network/" + ifaceId,
872                 "org.freedesktop.DBus.Properties", "Set",
873                 "xyz.openbmc_project.Network.VLAN", "Id",
874                 std::variant<uint32_t>(vlanId));
875         }
876         else
877         {
878             auto callback = [asyncResp](const boost::system::error_code ec) {
879                 if (ec)
880                 {
881                     messages::internalError(asyncResp->res);
882                     return;
883                 }
884                 asyncResp->res.jsonValue["VLANEnable"] = false;
885             };
886 
887             crow::connections::systemBus->async_method_call(
888                 std::move(callback), "xyz.openbmc_project.Network",
889                 "/xyz/openbmc_project/network/" + ifaceId,
890                 "xyz.openbmc_project.Object.Delete", "Delete");
891         }
892     }
893 
894   private:
895     void handleHostnamePatch(const std::string &hostname,
896                              const std::shared_ptr<AsyncResp> asyncResp)
897     {
898         asyncResp->res.jsonValue["HostName"] = hostname;
899         crow::connections::systemBus->async_method_call(
900             [asyncResp](const boost::system::error_code ec) {
901                 if (ec)
902                 {
903                     messages::internalError(asyncResp->res);
904                 }
905             },
906             "xyz.openbmc_project.Network",
907             "/xyz/openbmc_project/network/config",
908             "org.freedesktop.DBus.Properties", "Set",
909             "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
910             std::variant<std::string>(hostname));
911     }
912 
913     void handleIPv4Patch(
914         const std::string &ifaceId, std::vector<nlohmann::json> &input,
915         const boost::container::flat_set<IPv4AddressData> &ipv4Data,
916         const std::shared_ptr<AsyncResp> asyncResp)
917     {
918         int entryIdx = 0;
919         boost::container::flat_set<IPv4AddressData>::const_iterator thisData =
920             ipv4Data.begin();
921         for (nlohmann::json &thisJson : input)
922         {
923             std::string pathString =
924                 "IPv4Addresses/" + std::to_string(entryIdx);
925 
926             std::optional<std::string> address;
927             std::optional<std::string> addressOrigin;
928             std::optional<std::string> subnetMask;
929             std::optional<std::string> gateway;
930 
931             if (!json_util::readJson(thisJson, asyncResp->res, "Address",
932                                      address, "AddressOrigin", addressOrigin,
933                                      "SubnetMask", subnetMask, "Gateway",
934                                      gateway))
935             {
936                 return;
937             }
938 
939             if (address)
940             {
941                 if (!ipv4VerifyIpAndGetBitcount(*address))
942                 {
943                     messages::propertyValueFormatError(asyncResp->res, *address,
944                                                        pathString + "/Address");
945                     return;
946                 }
947             }
948 
949             uint8_t prefixLength = 0;
950             if (subnetMask)
951             {
952                 if (!ipv4VerifyIpAndGetBitcount(*subnetMask, &prefixLength))
953                 {
954                     messages::propertyValueFormatError(
955                         asyncResp->res, *subnetMask,
956                         pathString + "/SubnetMask");
957                     return;
958                 }
959             }
960             std::string addressOriginInDBusFormat;
961             if (addressOrigin)
962             {
963                 // Get Address origin in proper format
964                 addressOriginInDBusFormat =
965                     translateAddressOriginRedfishToDbus(*addressOrigin);
966                 if (addressOriginInDBusFormat.empty())
967                 {
968                     messages::propertyValueNotInList(
969                         asyncResp->res, *addressOrigin,
970                         pathString + "/AddressOrigin");
971                     return;
972                 }
973             }
974 
975             if (gateway)
976             {
977                 if (!ipv4VerifyIpAndGetBitcount(*gateway))
978                 {
979                     messages::propertyValueFormatError(asyncResp->res, *gateway,
980                                                        pathString + "/Gateway");
981                     return;
982                 }
983             }
984 
985             // if a vlan already exists, modify the existing
986             if (thisData != ipv4Data.end())
987             {
988                 // Existing object that should be modified/deleted/remain
989                 // unchanged
990                 if (thisJson.is_null())
991                 {
992                     auto callback = [entryIdx{std::to_string(entryIdx)},
993                                      asyncResp](
994                                         const boost::system::error_code ec) {
995                         if (ec)
996                         {
997                             messages::internalError(asyncResp->res);
998                             return;
999                         }
1000                         asyncResp->res.jsonValue["IPv4Addresses"][entryIdx] =
1001                             nullptr;
1002                     };
1003                     crow::connections::systemBus->async_method_call(
1004                         std::move(callback), "xyz.openbmc_project.Network",
1005                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" +
1006                             thisData->id,
1007                         "xyz.openbmc_project.Object.Delete", "Delete");
1008                 }
1009                 else if (thisJson.is_object())
1010                 {
1011                     // Apply changes
1012                     if (address)
1013                     {
1014                         auto callback =
1015                             [asyncResp, entryIdx, address = *address](
1016                                 const boost::system::error_code ec) {
1017                                 if (ec)
1018                                 {
1019                                     messages::internalError(asyncResp->res);
1020                                     return;
1021                                 }
1022                                 asyncResp->res.jsonValue["IPv4Addresses"]
1023                                                         [entryIdx]["Address"] =
1024                                     address;
1025                             };
1026 
1027                         crow::connections::systemBus->async_method_call(
1028                             std::move(callback), "xyz.openbmc_project.Network",
1029                             "/xyz/openbmc_project/network/" + ifaceId +
1030                                 "/ipv4/" + thisData->id,
1031                             "org.freedesktop.DBus.Properties", "Set",
1032                             "xyz.openbmc_project.Network.IP", "Address",
1033                             std::variant<std::string>(*address));
1034                     }
1035 
1036                     if (subnetMask)
1037                     {
1038                         changeIPv4SubnetMaskProperty(ifaceId, entryIdx,
1039                                                      thisData->id, *subnetMask,
1040                                                      prefixLength, asyncResp);
1041                     }
1042 
1043                     if (addressOrigin)
1044                     {
1045                         changeIPv4Origin(ifaceId, entryIdx, thisData->id,
1046                                          *addressOrigin,
1047                                          addressOriginInDBusFormat, asyncResp);
1048                     }
1049 
1050                     if (gateway)
1051                     {
1052                         auto callback =
1053                             [asyncResp, entryIdx,
1054                              gateway{std::string(*gateway)}](
1055                                 const boost::system::error_code ec) {
1056                                 if (ec)
1057                                 {
1058                                     messages::internalError(asyncResp->res);
1059                                     return;
1060                                 }
1061                                 asyncResp->res.jsonValue["IPv4Addresses"]
1062                                                         [entryIdx]["Gateway"] =
1063                                     std::move(gateway);
1064                             };
1065 
1066                         crow::connections::systemBus->async_method_call(
1067                             std::move(callback), "xyz.openbmc_project.Network",
1068                             "/xyz/openbmc_project/network/" + ifaceId +
1069                                 "/ipv4/" + thisData->id,
1070                             "org.freedesktop.DBus.Properties", "Set",
1071                             "xyz.openbmc_project.Network.IP", "Gateway",
1072                             std::variant<std::string>(*gateway));
1073                     }
1074                 }
1075                 thisData++;
1076             }
1077             else
1078             {
1079                 // Create IPv4 with provided data
1080                 if (!gateway)
1081                 {
1082                     messages::propertyMissing(asyncResp->res,
1083                                               pathString + "/Gateway");
1084                     continue;
1085                 }
1086 
1087                 if (!address)
1088                 {
1089                     messages::propertyMissing(asyncResp->res,
1090                                               pathString + "/Address");
1091                     continue;
1092                 }
1093 
1094                 if (!subnetMask)
1095                 {
1096                     messages::propertyMissing(asyncResp->res,
1097                                               pathString + "/SubnetMask");
1098                     continue;
1099                 }
1100 
1101                 createIPv4(ifaceId, entryIdx, prefixLength, *gateway, *address,
1102                            asyncResp);
1103                 asyncResp->res.jsonValue["IPv4Addresses"][entryIdx] = thisJson;
1104             }
1105             entryIdx++;
1106         }
1107     }
1108 
1109     void parseInterfaceData(
1110         nlohmann::json &json_response, const std::string &iface_id,
1111         const EthernetInterfaceData &ethData,
1112         const boost::container::flat_set<IPv4AddressData> &ipv4Data)
1113     {
1114         json_response["Id"] = iface_id;
1115         json_response["@odata.id"] =
1116             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + iface_id;
1117         json_response["InterfaceEnabled"] = true;
1118         if (ethData.speed == 0)
1119         {
1120             json_response["LinkStatus"] = "NoLink";
1121             json_response["Status"] = {
1122                 {"Health", "OK"},
1123                 {"State", "Disabled"},
1124             };
1125         }
1126         else
1127         {
1128             json_response["LinkStatus"] = "LinkUp";
1129             json_response["Status"] = {
1130                 {"Health", "OK"},
1131                 {"State", "Enabled"},
1132             };
1133         }
1134         json_response["SpeedMbps"] = ethData.speed;
1135         json_response["MACAddress"] = ethData.mac_address;
1136         if (!ethData.hostname.empty())
1137         {
1138             json_response["HostName"] = ethData.hostname;
1139         }
1140 
1141         nlohmann::json &vlanObj = json_response["VLAN"];
1142         if (ethData.vlan_id)
1143         {
1144             vlanObj["VLANEnable"] = true;
1145             vlanObj["VLANId"] = *ethData.vlan_id;
1146         }
1147         else
1148         {
1149             vlanObj["VLANEnable"] = false;
1150             vlanObj["VLANId"] = 0;
1151         }
1152         json_response["NameServers"] = ethData.nameservers;
1153 
1154         if (ipv4Data.size() > 0)
1155         {
1156             nlohmann::json &ipv4_array = json_response["IPv4Addresses"];
1157             ipv4_array = nlohmann::json::array();
1158             for (auto &ipv4_config : ipv4Data)
1159             {
1160                 ipv4_array.push_back({{"AddressOrigin", ipv4_config.origin},
1161                                       {"SubnetMask", ipv4_config.netmask},
1162                                       {"Address", ipv4_config.address},
1163                                       {"Gateway", ipv4_config.gateway}});
1164             }
1165         }
1166     }
1167 
1168     /**
1169      * Functions triggers appropriate requests on DBus
1170      */
1171     void doGet(crow::Response &res, const crow::Request &req,
1172                const std::vector<std::string> &params) override
1173     {
1174         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1175         if (params.size() != 1)
1176         {
1177             messages::internalError(asyncResp->res);
1178             return;
1179         }
1180 
1181         getEthernetIfaceData(
1182             params[0],
1183             [this, asyncResp, iface_id{std::string(params[0])}](
1184                 const bool &success, const EthernetInterfaceData &ethData,
1185                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1186                 if (!success)
1187                 {
1188                     // TODO(Pawel)consider distinguish between non existing
1189                     // object, and other errors
1190                     messages::resourceNotFound(asyncResp->res,
1191                                                "EthernetInterface", iface_id);
1192                     return;
1193                 }
1194                 asyncResp->res.jsonValue["@odata.type"] =
1195                     "#EthernetInterface.v1_2_0.EthernetInterface";
1196                 asyncResp->res.jsonValue["@odata.context"] =
1197                     "/redfish/v1/$metadata#EthernetInterface.EthernetInterface";
1198                 asyncResp->res.jsonValue["Name"] = "Manager Ethernet Interface";
1199                 asyncResp->res.jsonValue["Description"] =
1200                     "Management Network Interface";
1201 
1202                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1203                                    ipv4Data);
1204             });
1205     }
1206 
1207     void doPatch(crow::Response &res, const crow::Request &req,
1208                  const std::vector<std::string> &params) override
1209     {
1210         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1211         if (params.size() != 1)
1212         {
1213             messages::internalError(asyncResp->res);
1214             return;
1215         }
1216 
1217         const std::string &iface_id = params[0];
1218 
1219         std::optional<nlohmann::json> vlan;
1220         std::optional<std::string> hostname;
1221         std::optional<std::vector<nlohmann::json>> ipv4Addresses;
1222         std::optional<std::vector<nlohmann::json>> ipv6Addresses;
1223 
1224         if (!json_util::readJson(req, res, "VLAN", vlan, "HostName", hostname,
1225                                  "IPv4Addresses", ipv4Addresses,
1226                                  "IPv6Addresses", ipv6Addresses))
1227         {
1228             return;
1229         }
1230 
1231         std::optional<uint64_t> vlanId;
1232         std::optional<bool> vlanEnable;
1233 
1234         if (vlan)
1235         {
1236             if (!json_util::readJson(*vlan, res, "VLANEnable", vlanEnable,
1237                                      "VLANId", vlanId))
1238             {
1239                 return;
1240             }
1241             // Need both vlanId and vlanEnable to service this request
1242             if (static_cast<bool>(vlanId) ^ static_cast<bool>(vlanEnable))
1243             {
1244                 if (vlanId)
1245                 {
1246                     messages::propertyMissing(asyncResp->res, "VLANEnable");
1247                 }
1248                 else
1249                 {
1250                     messages::propertyMissing(asyncResp->res, "VLANId");
1251                 }
1252 
1253                 return;
1254             }
1255         }
1256 
1257         // Get single eth interface data, and call the below callback for JSON
1258         // preparation
1259         getEthernetIfaceData(
1260             iface_id,
1261             [this, asyncResp, iface_id, vlanId, vlanEnable,
1262              hostname = std::move(hostname),
1263              ipv4Addresses = std::move(ipv4Addresses),
1264              ipv6Addresses = std::move(ipv6Addresses)](
1265                 const bool &success, const EthernetInterfaceData &ethData,
1266                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1267                 if (!success)
1268                 {
1269                     // ... otherwise return error
1270                     // TODO(Pawel)consider distinguish between non existing
1271                     // object, and other errors
1272                     messages::resourceNotFound(
1273                         asyncResp->res, "VLAN Network Interface", iface_id);
1274                     return;
1275                 }
1276 
1277                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1278                                    ipv4Data);
1279 
1280                 if (vlanId && vlanEnable)
1281                 {
1282                     handleVlanPatch(iface_id, *vlanId, *vlanEnable, ethData,
1283                                     asyncResp);
1284                 }
1285 
1286                 if (hostname)
1287                 {
1288                     handleHostnamePatch(*hostname, asyncResp);
1289                 }
1290 
1291                 if (ipv4Addresses)
1292                 {
1293                     // TODO(ed) for some reason the capture of ipv4Addresses
1294                     // above is returning a const value, not a non-const value.
1295                     // This doesn't really work for us, as we need to be able to
1296                     // efficiently move out the intermedia nlohmann::json
1297                     // objects. This makes a copy of the structure, and operates
1298                     // on that, but could be done more efficiently
1299                     std::vector<nlohmann::json> ipv4 =
1300                         std::move(*ipv4Addresses);
1301                     handleIPv4Patch(iface_id, ipv4, ipv4Data, asyncResp);
1302                 }
1303 
1304                 if (ipv6Addresses)
1305                 {
1306                     // TODO(kkowalsk) IPv6 Not supported on D-Bus yet
1307                     messages::propertyNotWritable(asyncResp->res,
1308                                                   "IPv6Addresses");
1309                 }
1310             });
1311     }
1312 };
1313 
1314 /**
1315  * VlanNetworkInterface derived class for delivering VLANNetworkInterface
1316  * Schema
1317  */
1318 class VlanNetworkInterface : public Node
1319 {
1320   public:
1321     /*
1322      * Default Constructor
1323      */
1324     template <typename CrowApp>
1325     VlanNetworkInterface(CrowApp &app) :
1326         Node(app,
1327              "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>",
1328              std::string(), std::string())
1329     {
1330         entityPrivileges = {
1331             {boost::beast::http::verb::get, {{"Login"}}},
1332             {boost::beast::http::verb::head, {{"Login"}}},
1333             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1334             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1335             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1336             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1337     }
1338 
1339   private:
1340     void parseInterfaceData(
1341         nlohmann::json &json_response, const std::string &parent_iface_id,
1342         const std::string &iface_id, const EthernetInterfaceData &ethData,
1343         const boost::container::flat_set<IPv4AddressData> &ipv4Data)
1344     {
1345         // Fill out obvious data...
1346         json_response["Id"] = iface_id;
1347         json_response["@odata.id"] =
1348             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + parent_iface_id +
1349             "/VLANs/" + iface_id;
1350 
1351         json_response["VLANEnable"] = true;
1352         if (ethData.vlan_id)
1353         {
1354             json_response["VLANId"] = *ethData.vlan_id;
1355         }
1356     }
1357 
1358     bool verifyNames(crow::Response &res, const std::string &parent,
1359                      const std::string &iface)
1360     {
1361         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1362         if (!boost::starts_with(iface, parent + "_"))
1363         {
1364             messages::resourceNotFound(asyncResp->res, "VLAN Network Interface",
1365                                        iface);
1366             return false;
1367         }
1368         else
1369         {
1370             return true;
1371         }
1372     }
1373 
1374     /**
1375      * Functions triggers appropriate requests on DBus
1376      */
1377     void doGet(crow::Response &res, const crow::Request &req,
1378                const std::vector<std::string> &params) override
1379     {
1380         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1381         // TODO(Pawel) this shall be parameterized call (two params) to get
1382         // EthernetInterfaces for any Manager, not only hardcoded 'openbmc'.
1383         // Check if there is required param, truly entering this shall be
1384         // impossible.
1385         if (params.size() != 2)
1386         {
1387             messages::internalError(res);
1388             res.end();
1389             return;
1390         }
1391 
1392         const std::string &parent_iface_id = params[0];
1393         const std::string &iface_id = params[1];
1394         res.jsonValue["@odata.type"] =
1395             "#VLanNetworkInterface.v1_1_0.VLanNetworkInterface";
1396         res.jsonValue["@odata.context"] =
1397             "/redfish/v1/$metadata#VLanNetworkInterface.VLanNetworkInterface";
1398         res.jsonValue["Name"] = "VLAN Network Interface";
1399 
1400         if (!verifyNames(res, parent_iface_id, iface_id))
1401         {
1402             return;
1403         }
1404 
1405         // Get single eth interface data, and call the below callback for JSON
1406         // preparation
1407         getEthernetIfaceData(
1408             iface_id,
1409             [this, asyncResp, parent_iface_id, iface_id](
1410                 const bool &success, const EthernetInterfaceData &ethData,
1411                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1412                 if (success && ethData.vlan_id)
1413                 {
1414                     parseInterfaceData(asyncResp->res.jsonValue,
1415                                        parent_iface_id, iface_id, ethData,
1416                                        ipv4Data);
1417                 }
1418                 else
1419                 {
1420                     // ... otherwise return error
1421                     // TODO(Pawel)consider distinguish between non existing
1422                     // object, and other errors
1423                     messages::resourceNotFound(
1424                         asyncResp->res, "VLAN Network Interface", iface_id);
1425                 }
1426             });
1427     }
1428 
1429     void doPatch(crow::Response &res, const crow::Request &req,
1430                  const std::vector<std::string> &params) override
1431     {
1432         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1433         if (params.size() != 2)
1434         {
1435             messages::internalError(asyncResp->res);
1436             return;
1437         }
1438 
1439         const std::string &parentIfaceId = params[0];
1440         const std::string &ifaceId = params[1];
1441 
1442         if (!verifyNames(res, parentIfaceId, ifaceId))
1443         {
1444             return;
1445         }
1446 
1447         bool vlanEnable = false;
1448         uint64_t vlanId = 0;
1449 
1450         if (!json_util::readJson(req, res, "VLANEnable", vlanEnable, "VLANId",
1451                                  vlanId))
1452         {
1453             return;
1454         }
1455 
1456         // Get single eth interface data, and call the below callback for JSON
1457         // preparation
1458         getEthernetIfaceData(
1459             ifaceId,
1460             [this, asyncResp, parentIfaceId, ifaceId, vlanEnable, vlanId](
1461                 const bool &success, const EthernetInterfaceData &ethData,
1462                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1463                 if (!success)
1464                 {
1465                     // TODO(Pawel)consider distinguish between non existing
1466                     // object, and other errors
1467                     messages::resourceNotFound(
1468                         asyncResp->res, "VLAN Network Interface", ifaceId);
1469 
1470                     return;
1471                 }
1472 
1473                 parseInterfaceData(asyncResp->res.jsonValue, parentIfaceId,
1474                                    ifaceId, ethData, ipv4Data);
1475 
1476                 EthernetInterface::handleVlanPatch(ifaceId, vlanId, vlanEnable,
1477                                                    ethData, asyncResp);
1478             });
1479     }
1480 
1481     void doDelete(crow::Response &res, const crow::Request &req,
1482                   const std::vector<std::string> &params) override
1483     {
1484         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1485         if (params.size() != 2)
1486         {
1487             messages::internalError(asyncResp->res);
1488             return;
1489         }
1490 
1491         const std::string &parentIfaceId = params[0];
1492         const std::string &ifaceId = params[1];
1493 
1494         if (!verifyNames(asyncResp->res, parentIfaceId, ifaceId))
1495         {
1496             return;
1497         }
1498 
1499         // Get single eth interface data, and call the below callback for JSON
1500         // preparation
1501         getEthernetIfaceData(
1502             ifaceId,
1503             [this, asyncResp, parentIfaceId{std::string(parentIfaceId)},
1504              ifaceId{std::string(ifaceId)}](
1505                 const bool &success, const EthernetInterfaceData &ethData,
1506                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1507                 if (success && ethData.vlan_id)
1508                 {
1509                     parseInterfaceData(asyncResp->res.jsonValue, parentIfaceId,
1510                                        ifaceId, ethData, ipv4Data);
1511 
1512                     auto callback =
1513                         [asyncResp](const boost::system::error_code ec) {
1514                             if (ec)
1515                             {
1516                                 messages::internalError(asyncResp->res);
1517                             }
1518                         };
1519                     crow::connections::systemBus->async_method_call(
1520                         std::move(callback), "xyz.openbmc_project.Network",
1521                         std::string("/xyz/openbmc_project/network/") + ifaceId,
1522                         "xyz.openbmc_project.Object.Delete", "Delete");
1523                 }
1524                 else
1525                 {
1526                     // ... otherwise return error
1527                     // TODO(Pawel)consider distinguish between non existing
1528                     // object, and other errors
1529                     messages::resourceNotFound(
1530                         asyncResp->res, "VLAN Network Interface", ifaceId);
1531                 }
1532             });
1533     }
1534 };
1535 
1536 /**
1537  * VlanNetworkInterfaceCollection derived class for delivering
1538  * VLANNetworkInterface Collection Schema
1539  */
1540 class VlanNetworkInterfaceCollection : public Node
1541 {
1542   public:
1543     template <typename CrowApp>
1544     VlanNetworkInterfaceCollection(CrowApp &app) :
1545         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/",
1546              std::string())
1547     {
1548         entityPrivileges = {
1549             {boost::beast::http::verb::get, {{"Login"}}},
1550             {boost::beast::http::verb::head, {{"Login"}}},
1551             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1552             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1553             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1554             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1555     }
1556 
1557   private:
1558     /**
1559      * Functions triggers appropriate requests on DBus
1560      */
1561     void doGet(crow::Response &res, const crow::Request &req,
1562                const std::vector<std::string> &params) override
1563     {
1564         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1565         if (params.size() != 1)
1566         {
1567             // This means there is a problem with the router
1568             messages::internalError(asyncResp->res);
1569             return;
1570         }
1571 
1572         const std::string &rootInterfaceName = params[0];
1573 
1574         // Get eth interface list, and call the below callback for JSON
1575         // preparation
1576         getEthernetIfaceList(
1577             [asyncResp, rootInterfaceName{std::string(rootInterfaceName)}](
1578                 const bool &success,
1579                 const std::vector<std::string> &iface_list) {
1580                 if (!success)
1581                 {
1582                     messages::internalError(asyncResp->res);
1583                     return;
1584                 }
1585                 asyncResp->res.jsonValue["@odata.type"] =
1586                     "#VLanNetworkInterfaceCollection."
1587                     "VLanNetworkInterfaceCollection";
1588                 asyncResp->res.jsonValue["@odata.context"] =
1589                     "/redfish/v1/$metadata"
1590                     "#VLanNetworkInterfaceCollection."
1591                     "VLanNetworkInterfaceCollection";
1592                 asyncResp->res.jsonValue["Name"] =
1593                     "VLAN Network Interface Collection";
1594 
1595                 nlohmann::json iface_array = nlohmann::json::array();
1596 
1597                 for (const std::string &iface_item : iface_list)
1598                 {
1599                     if (boost::starts_with(iface_item, rootInterfaceName + "_"))
1600                     {
1601                         iface_array.push_back(
1602                             {{"@odata.id",
1603                               "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1604                                   rootInterfaceName + "/VLANs/" + iface_item}});
1605                     }
1606                 }
1607 
1608                 if (iface_array.empty())
1609                 {
1610                     messages::resourceNotFound(
1611                         asyncResp->res, "EthernetInterface", rootInterfaceName);
1612                     return;
1613                 }
1614                 asyncResp->res.jsonValue["Members@odata.count"] =
1615                     iface_array.size();
1616                 asyncResp->res.jsonValue["Members"] = std::move(iface_array);
1617                 asyncResp->res.jsonValue["@odata.id"] =
1618                     "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1619                     rootInterfaceName + "/VLANs";
1620             });
1621     }
1622 
1623     void doPost(crow::Response &res, const crow::Request &req,
1624                 const std::vector<std::string> &params) override
1625     {
1626         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1627         if (params.size() != 1)
1628         {
1629             messages::internalError(asyncResp->res);
1630             return;
1631         }
1632 
1633         uint32_t vlanId = 0;
1634         if (!json_util::readJson(req, res, "VLANId", vlanId))
1635         {
1636             return;
1637         }
1638         const std::string &rootInterfaceName = params[0];
1639         auto callback = [asyncResp](const boost::system::error_code ec) {
1640             if (ec)
1641             {
1642                 // TODO(ed) make more consistent error messages based on
1643                 // phosphor-network responses
1644                 messages::internalError(asyncResp->res);
1645                 return;
1646             }
1647             messages::created(asyncResp->res);
1648         };
1649         crow::connections::systemBus->async_method_call(
1650             std::move(callback), "xyz.openbmc_project.Network",
1651             "/xyz/openbmc_project/network",
1652             "xyz.openbmc_project.Network.VLAN.Create", "VLAN",
1653             rootInterfaceName, vlanId);
1654     }
1655 };
1656 } // namespace redfish
1657