xref: /openbmc/bmcweb/features/redfish/lib/ethernet.hpp (revision 0f74e643ec246c333ef4724af1ecd5adeb1b6658)
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 <boost/optional.hpp>
21 #include <dbus_singleton.hpp>
22 #include <error_messages.hpp>
23 #include <node.hpp>
24 #include <utils/json_utils.hpp>
25 
26 namespace redfish
27 {
28 
29 /**
30  * DBus types primitives for several generic DBus interfaces
31  * TODO(Pawel) consider move this to separate file into boost::dbus
32  */
33 using PropertiesMapType = boost::container::flat_map<
34     std::string,
35     sdbusplus::message::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 
47 enum class LinkType
48 {
49     Local,
50     Global
51 };
52 
53 /**
54  * Structure for keeping IPv4 data required by Redfish
55  */
56 struct IPv4AddressData
57 {
58     std::string id;
59     std::string address;
60     std::string domain;
61     std::string gateway;
62     std::string netmask;
63     std::string origin;
64     LinkType linktype;
65 
66     bool operator<(const IPv4AddressData &obj) const
67     {
68         return id < obj.id;
69     }
70 };
71 
72 /**
73  * Structure for keeping basic single Ethernet Interface information
74  * available from DBus
75  */
76 struct EthernetInterfaceData
77 {
78     uint32_t speed;
79     bool auto_neg;
80     std::string hostname;
81     std::string default_gateway;
82     std::string mac_address;
83     boost::optional<uint32_t> vlan_id;
84 };
85 
86 // Helper function that changes bits netmask notation (i.e. /24)
87 // into full dot notation
88 inline std::string getNetmask(unsigned int bits)
89 {
90     uint32_t value = 0xffffffff << (32 - bits);
91     std::string netmask = std::to_string((value >> 24) & 0xff) + "." +
92                           std::to_string((value >> 16) & 0xff) + "." +
93                           std::to_string((value >> 8) & 0xff) + "." +
94                           std::to_string(value & 0xff);
95     return netmask;
96 }
97 
98 inline std::string
99     translateAddressOriginDbusToRedfish(const std::string &inputOrigin,
100                                         bool isIPv4)
101 {
102     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.Static")
103     {
104         return "Static";
105     }
106     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.LinkLocal")
107     {
108         if (isIPv4)
109         {
110             return "IPv4LinkLocal";
111         }
112         else
113         {
114             return "LinkLocal";
115         }
116     }
117     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP")
118     {
119         if (isIPv4)
120         {
121             return "DHCP";
122         }
123         else
124         {
125             return "DHCPv6";
126         }
127     }
128     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.SLAAC")
129     {
130         return "SLAAC";
131     }
132     return "";
133 }
134 
135 inline std::string
136     translateAddressOriginRedfishToDbus(const std::string &inputOrigin)
137 {
138     if (inputOrigin == "Static")
139     {
140         return "xyz.openbmc_project.Network.IP.AddressOrigin.Static";
141     }
142     if (inputOrigin == "DHCP" || inputOrigin == "DHCPv6")
143     {
144         return "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP";
145     }
146     if (inputOrigin == "IPv4LinkLocal" || inputOrigin == "LinkLocal")
147     {
148         return "xyz.openbmc_project.Network.IP.AddressOrigin.LinkLocal";
149     }
150     if (inputOrigin == "SLAAC")
151     {
152         return "xyz.openbmc_project.Network.IP.AddressOrigin.SLAAC";
153     }
154     return "";
155 }
156 
157 inline void extractEthernetInterfaceData(const std::string &ethiface_id,
158                                          const GetManagedObjects &dbus_data,
159                                          EthernetInterfaceData &ethData)
160 {
161     for (const auto &objpath : dbus_data)
162     {
163         if (objpath.first == "/xyz/openbmc_project/network/" + ethiface_id)
164         {
165             for (const auto &ifacePair : objpath.second)
166             {
167                 if (ifacePair.first == "xyz.openbmc_project.Network.MACAddress")
168                 {
169                     for (const auto &propertyPair : ifacePair.second)
170                     {
171                         if (propertyPair.first == "MACAddress")
172                         {
173                             const std::string *mac =
174                                 mapbox::getPtr<const std::string>(
175                                     propertyPair.second);
176                             if (mac != nullptr)
177                             {
178                                 ethData.mac_address = *mac;
179                             }
180                         }
181                     }
182                 }
183                 else if (ifacePair.first == "xyz.openbmc_project.Network.VLAN")
184                 {
185                     for (const auto &propertyPair : ifacePair.second)
186                     {
187                         if (propertyPair.first == "Id")
188                         {
189                             const uint32_t *id = mapbox::getPtr<const uint32_t>(
190                                 propertyPair.second);
191                             if (id != nullptr)
192                             {
193                                 ethData.vlan_id = *id;
194                             }
195                         }
196                     }
197                 }
198                 else if (ifacePair.first ==
199                          "xyz.openbmc_project.Network.EthernetInterface")
200                 {
201                     for (const auto &propertyPair : ifacePair.second)
202                     {
203                         if (propertyPair.first == "AutoNeg")
204                         {
205                             const bool *auto_neg =
206                                 mapbox::getPtr<const bool>(propertyPair.second);
207                             if (auto_neg != nullptr)
208                             {
209                                 ethData.auto_neg = *auto_neg;
210                             }
211                         }
212                         else if (propertyPair.first == "Speed")
213                         {
214                             const uint32_t *speed =
215                                 mapbox::getPtr<const uint32_t>(
216                                     propertyPair.second);
217                             if (speed != nullptr)
218                             {
219                                 ethData.speed = *speed;
220                             }
221                         }
222                     }
223                 }
224                 else if (ifacePair.first ==
225                          "xyz.openbmc_project.Network.SystemConfiguration")
226                 {
227                     for (const auto &propertyPair : ifacePair.second)
228                     {
229                         if (propertyPair.first == "HostName")
230                         {
231                             const std::string *hostname =
232                                 mapbox::getPtr<const std::string>(
233                                     propertyPair.second);
234                             if (hostname != nullptr)
235                             {
236                                 ethData.hostname = *hostname;
237                             }
238                         }
239                         else if (propertyPair.first == "DefaultGateway")
240                         {
241                             const std::string *defaultGateway =
242                                 mapbox::getPtr<const std::string>(
243                                     propertyPair.second);
244                             if (defaultGateway != nullptr)
245                             {
246                                 ethData.default_gateway = *defaultGateway;
247                             }
248                         }
249                     }
250                 }
251             }
252         }
253     }
254 }
255 
256 // Helper function that extracts data for single ethernet ipv4 address
257 inline void
258     extractIPData(const std::string &ethiface_id,
259                   const GetManagedObjects &dbus_data,
260                   boost::container::flat_set<IPv4AddressData> &ipv4_config)
261 {
262     const std::string ipv4PathStart =
263         "/xyz/openbmc_project/network/" + ethiface_id + "/ipv4/";
264 
265     // Since there might be several IPv4 configurations aligned with
266     // single ethernet interface, loop over all of them
267     for (const auto &objpath : dbus_data)
268     {
269         // Check if proper pattern for object path appears
270         if (boost::starts_with(objpath.first.str, ipv4PathStart))
271         {
272             for (auto &interface : objpath.second)
273             {
274                 if (interface.first == "xyz.openbmc_project.Network.IP")
275                 {
276                     // Instance IPv4AddressData structure, and set as
277                     // appropriate
278                     std::pair<
279                         boost::container::flat_set<IPv4AddressData>::iterator,
280                         bool>
281                         it = ipv4_config.insert(
282                             {objpath.first.str.substr(ipv4PathStart.size())});
283                     IPv4AddressData &ipv4_address = *it.first;
284                     for (auto &property : interface.second)
285                     {
286                         if (property.first == "Address")
287                         {
288                             const std::string *address =
289                                 mapbox::getPtr<const std::string>(
290                                     property.second);
291                             if (address != nullptr)
292                             {
293                                 ipv4_address.address = *address;
294                             }
295                         }
296                         else if (property.first == "Gateway")
297                         {
298                             const std::string *gateway =
299                                 mapbox::getPtr<const std::string>(
300                                     property.second);
301                             if (gateway != nullptr)
302                             {
303                                 ipv4_address.gateway = *gateway;
304                             }
305                         }
306                         else if (property.first == "Origin")
307                         {
308                             const std::string *origin =
309                                 mapbox::getPtr<const std::string>(
310                                     property.second);
311                             if (origin != nullptr)
312                             {
313                                 ipv4_address.origin =
314                                     translateAddressOriginDbusToRedfish(*origin,
315                                                                         true);
316                             }
317                         }
318                         else if (property.first == "PrefixLength")
319                         {
320                             const uint8_t *mask =
321                                 mapbox::getPtr<uint8_t>(property.second);
322                             if (mask != nullptr)
323                             {
324                                 // convert it to the string
325                                 ipv4_address.netmask = getNetmask(*mask);
326                             }
327                         }
328                         else
329                         {
330                             BMCWEB_LOG_ERROR
331                                 << "Got extra property: " << property.first
332                                 << " on the " << objpath.first.str << " object";
333                         }
334                     }
335                     // Check if given address is local, or global
336                     ipv4_address.linktype =
337                         boost::starts_with(ipv4_address.address, "169.254.")
338                             ? LinkType::Global
339                             : LinkType::Local;
340                 }
341             }
342         }
343     }
344 }
345 
346 /**
347  * @brief Sets given Id on the given VLAN interface through D-Bus
348  *
349  * @param[in] ifaceId       Id of VLAN interface that should be modified
350  * @param[in] inputVlanId   New ID of the VLAN
351  * @param[in] callback      Function that will be called after the operation
352  *
353  * @return None.
354  */
355 template <typename CallbackFunc>
356 void changeVlanId(const std::string &ifaceId, const uint32_t &inputVlanId,
357                   CallbackFunc &&callback)
358 {
359     crow::connections::systemBus->async_method_call(
360         callback, "xyz.openbmc_project.Network",
361         std::string("/xyz/openbmc_project/network/") + ifaceId,
362         "org.freedesktop.DBus.Properties", "Set",
363         "xyz.openbmc_project.Network.VLAN", "Id",
364         sdbusplus::message::variant<uint32_t>(inputVlanId));
365 }
366 
367 /**
368  * @brief Helper function that verifies IP address to check if it is in
369  *        proper format. If bits pointer is provided, also calculates active
370  *        bit count for Subnet Mask.
371  *
372  * @param[in]  ip     IP that will be verified
373  * @param[out] bits   Calculated mask in bits notation
374  *
375  * @return true in case of success, false otherwise
376  */
377 inline bool ipv4VerifyIpAndGetBitcount(const std::string &ip,
378                                        uint8_t *bits = nullptr)
379 {
380     std::vector<std::string> bytesInMask;
381 
382     boost::split(bytesInMask, ip, boost::is_any_of("."));
383 
384     static const constexpr int ipV4AddressSectionsCount = 4;
385     if (bytesInMask.size() != ipV4AddressSectionsCount)
386     {
387         return false;
388     }
389 
390     if (bits != nullptr)
391     {
392         *bits = 0;
393     }
394 
395     char *endPtr;
396     long previousValue = 255;
397     bool firstZeroInByteHit;
398     for (const std::string &byte : bytesInMask)
399     {
400         if (byte.empty())
401         {
402             return false;
403         }
404 
405         // Use strtol instead of stroi to avoid exceptions
406         long value = std::strtol(byte.c_str(), &endPtr, 10);
407 
408         // endPtr should point to the end of the string, otherwise given string
409         // is not 100% number
410         if (*endPtr != '\0')
411         {
412             return false;
413         }
414 
415         // Value should be contained in byte
416         if (value < 0 || value > 255)
417         {
418             return false;
419         }
420 
421         if (bits != nullptr)
422         {
423             // Mask has to be continuous between bytes
424             if (previousValue != 255 && value != 0)
425             {
426                 return false;
427             }
428 
429             // Mask has to be continuous inside bytes
430             firstZeroInByteHit = false;
431 
432             // Count bits
433             for (int bitIdx = 7; bitIdx >= 0; bitIdx--)
434             {
435                 if (value & (1 << bitIdx))
436                 {
437                     if (firstZeroInByteHit)
438                     {
439                         // Continuity not preserved
440                         return false;
441                     }
442                     else
443                     {
444                         (*bits)++;
445                     }
446                 }
447                 else
448                 {
449                     firstZeroInByteHit = true;
450                 }
451             }
452         }
453 
454         previousValue = value;
455     }
456 
457     return true;
458 }
459 
460 /**
461  * @brief Changes IPv4 address type property (Address, Gateway)
462  *
463  * @param[in] ifaceId     Id of interface whose IP should be modified
464  * @param[in] ipIdx       Index of IP in input array that should be modified
465  * @param[in] ipHash      DBus Hash id of modified IP
466  * @param[in] name        Name of field in JSON representation
467  * @param[in] newValue    New value that should be written
468  * @param[io] asyncResp   Response object that will be returned to client
469  *
470  * @return true if give IP is valid and has been sent do D-Bus, false
471  * otherwise
472  */
473 inline void changeIPv4AddressProperty(
474     const std::string &ifaceId, int ipIdx, const std::string &ipHash,
475     const std::string &name, const std::string &newValue,
476     const std::shared_ptr<AsyncResp> asyncResp)
477 {
478     auto callback = [asyncResp, ipIdx, name{std::string(name)},
479                      newValue{std::move(newValue)}](
480                         const boost::system::error_code ec) {
481         if (ec)
482         {
483             messages::internalError(asyncResp->res);
484         }
485         else
486         {
487             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx][name] = newValue;
488         }
489     };
490 
491     crow::connections::systemBus->async_method_call(
492         std::move(callback), "xyz.openbmc_project.Network",
493         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
494         "org.freedesktop.DBus.Properties", "Set",
495         "xyz.openbmc_project.Network.IP", name,
496         sdbusplus::message::variant<std::string>(newValue));
497 }
498 
499 /**
500  * @brief Changes IPv4 address origin property
501  *
502  * @param[in] ifaceId       Id of interface whose IP should be modified
503  * @param[in] ipIdx         Index of IP in input array that should be
504  * modified
505  * @param[in] ipHash        DBus Hash id of modified IP
506  * @param[in] newValue      New value in Redfish format
507  * @param[in] newValueDbus  New value in D-Bus format
508  * @param[io] asyncResp     Response object that will be returned to client
509  *
510  * @return true if give IP is valid and has been sent do D-Bus, false
511  * otherwise
512  */
513 inline void changeIPv4Origin(const std::string &ifaceId, int ipIdx,
514                              const std::string &ipHash,
515                              const std::string &newValue,
516                              const std::string &newValueDbus,
517                              const std::shared_ptr<AsyncResp> asyncResp)
518 {
519     auto callback = [asyncResp, ipIdx, newValue{std::move(newValue)}](
520                         const boost::system::error_code ec) {
521         if (ec)
522         {
523             messages::internalError(asyncResp->res);
524         }
525         else
526         {
527             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx]["AddressOrigin"] =
528                 newValue;
529         }
530     };
531 
532     crow::connections::systemBus->async_method_call(
533         std::move(callback), "xyz.openbmc_project.Network",
534         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
535         "org.freedesktop.DBus.Properties", "Set",
536         "xyz.openbmc_project.Network.IP", "Origin",
537         sdbusplus::message::variant<std::string>(newValueDbus));
538 }
539 
540 /**
541  * @brief Modifies SubnetMask for given IP
542  *
543  * @param[in] ifaceId      Id of interface whose IP should be modified
544  * @param[in] ipIdx        Index of IP in input array that should be
545  * modified
546  * @param[in] ipHash       DBus Hash id of modified IP
547  * @param[in] newValueStr  Mask in dot notation as string
548  * @param[in] newValue     Mask as PrefixLength in bitcount
549  * @param[io] asyncResp   Response object that will be returned to client
550  *
551  * @return None
552  */
553 inline void changeIPv4SubnetMaskProperty(const std::string &ifaceId, int ipIdx,
554                                          const std::string &ipHash,
555                                          const std::string &newValueStr,
556                                          uint8_t &newValue,
557                                          std::shared_ptr<AsyncResp> asyncResp)
558 {
559     auto callback = [asyncResp, ipIdx, newValueStr{std::move(newValueStr)}](
560                         const boost::system::error_code ec) {
561         if (ec)
562         {
563             messages::internalError(asyncResp->res);
564         }
565         else
566         {
567             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx]["SubnetMask"] =
568                 newValueStr;
569         }
570     };
571 
572     crow::connections::systemBus->async_method_call(
573         std::move(callback), "xyz.openbmc_project.Network",
574         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
575         "org.freedesktop.DBus.Properties", "Set",
576         "xyz.openbmc_project.Network.IP", "PrefixLength",
577         sdbusplus::message::variant<uint8_t>(newValue));
578 }
579 
580 /**
581  * @brief Sets given HostName of the machine through D-Bus
582  *
583  * @param[in] newHostname   New name that HostName will be changed to
584  * @param[in] callback      Function that will be called after the operation
585  *
586  * @return None.
587  */
588 template <typename CallbackFunc>
589 void setHostName(const std::string &newHostname, CallbackFunc &&callback)
590 {
591     crow::connections::systemBus->async_method_call(
592         callback, "xyz.openbmc_project.Network",
593         "/xyz/openbmc_project/network/config",
594         "org.freedesktop.DBus.Properties", "Set",
595         "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
596         sdbusplus::message::variant<std::string>(newHostname));
597 }
598 
599 /**
600  * @brief Deletes given IPv4
601  *
602  * @param[in] ifaceId     Id of interface whose IP should be deleted
603  * @param[in] ipIdx       Index of IP in input array that should be deleted
604  * @param[in] ipHash      DBus Hash id of IP that should be deleted
605  * @param[io] asyncResp   Response object that will be returned to client
606  *
607  * @return None
608  */
609 inline void deleteIPv4(const std::string &ifaceId, const std::string &ipHash,
610                        unsigned int ipIdx,
611                        const std::shared_ptr<AsyncResp> asyncResp)
612 {
613     crow::connections::systemBus->async_method_call(
614         [ipIdx, asyncResp](const boost::system::error_code ec) {
615             if (ec)
616             {
617                 messages::internalError(asyncResp->res);
618             }
619             else
620             {
621                 asyncResp->res.jsonValue["IPv4Addresses"][ipIdx] = nullptr;
622             }
623         },
624         "xyz.openbmc_project.Network",
625         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
626         "xyz.openbmc_project.Object.Delete", "Delete");
627 }
628 
629 /**
630  * @brief Creates IPv4 with given data
631  *
632  * @param[in] ifaceId     Id of interface whose IP should be deleted
633  * @param[in] ipIdx       Index of IP in input array that should be deleted
634  * @param[in] ipHash      DBus Hash id of IP that should be deleted
635  * @param[io] asyncResp   Response object that will be returned to client
636  *
637  * @return None
638  */
639 inline void createIPv4(const std::string &ifaceId, unsigned int ipIdx,
640                        uint8_t subnetMask, const std::string &gateway,
641                        const std::string &address,
642                        std::shared_ptr<AsyncResp> asyncResp)
643 {
644     auto createIpHandler = [ipIdx,
645                             asyncResp](const boost::system::error_code ec) {
646         if (ec)
647         {
648             messages::internalError(asyncResp->res);
649         }
650     };
651 
652     crow::connections::systemBus->async_method_call(
653         std::move(createIpHandler), "xyz.openbmc_project.Network",
654         "/xyz/openbmc_project/network/" + ifaceId,
655         "xyz.openbmc_project.Network.IP.Create", "IP",
656         "xyz.openbmc_project.Network.IP.Protocol.IPv4", address, subnetMask,
657         gateway);
658 }
659 
660 /**
661  * Function that retrieves all properties for given Ethernet Interface
662  * Object
663  * from EntityManager Network Manager
664  * @param ethiface_id a eth interface id to query on DBus
665  * @param callback a function that shall be called to convert Dbus output
666  * into JSON
667  */
668 template <typename CallbackFunc>
669 void getEthernetIfaceData(const std::string &ethiface_id,
670                           CallbackFunc &&callback)
671 {
672     crow::connections::systemBus->async_method_call(
673         [ethiface_id{std::string{ethiface_id}}, callback{std::move(callback)}](
674             const boost::system::error_code error_code,
675             const GetManagedObjects &resp) {
676             EthernetInterfaceData ethData{};
677             boost::container::flat_set<IPv4AddressData> ipv4Data;
678 
679             if (error_code)
680             {
681                 callback(false, ethData, ipv4Data);
682                 return;
683             }
684 
685             extractEthernetInterfaceData(ethiface_id, resp, ethData);
686             extractIPData(ethiface_id, resp, ipv4Data);
687 
688             // Fix global GW
689             for (IPv4AddressData &ipv4 : ipv4Data)
690             {
691                 if ((ipv4.linktype == LinkType::Global) &&
692                     (ipv4.gateway == "0.0.0.0"))
693                 {
694                     ipv4.gateway = ethData.default_gateway;
695                 }
696             }
697 
698             // Finally make a callback with usefull data
699             callback(true, ethData, ipv4Data);
700         },
701         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
702         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
703 };
704 
705 /**
706  * Function that retrieves all Ethernet Interfaces available through Network
707  * Manager
708  * @param callback a function that shall be called to convert Dbus output
709  * into JSON.
710  */
711 template <typename CallbackFunc>
712 void getEthernetIfaceList(CallbackFunc &&callback)
713 {
714     crow::connections::systemBus->async_method_call(
715         [callback{std::move(callback)}](
716             const boost::system::error_code error_code,
717             GetManagedObjects &resp) {
718             // Callback requires vector<string> to retrieve all available
719             // ethernet interfaces
720             std::vector<std::string> iface_list;
721             iface_list.reserve(resp.size());
722             if (error_code)
723             {
724                 callback(false, iface_list);
725                 return;
726             }
727 
728             // Iterate over all retrieved ObjectPaths.
729             for (const auto &objpath : resp)
730             {
731                 // And all interfaces available for certain ObjectPath.
732                 for (const auto &interface : objpath.second)
733                 {
734                     // If interface is
735                     // xyz.openbmc_project.Network.EthernetInterface, this is
736                     // what we're looking for.
737                     if (interface.first ==
738                         "xyz.openbmc_project.Network.EthernetInterface")
739                     {
740                         // Cut out everyting until last "/", ...
741                         const std::string &iface_id = objpath.first.str;
742                         std::size_t last_pos = iface_id.rfind("/");
743                         if (last_pos != std::string::npos)
744                         {
745                             // and put it into output vector.
746                             iface_list.emplace_back(
747                                 iface_id.substr(last_pos + 1));
748                         }
749                     }
750                 }
751             }
752             // Finally make a callback with useful data
753             callback(true, iface_list);
754         },
755         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
756         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
757 };
758 
759 /**
760  * EthernetCollection derived class for delivering Ethernet Collection Schema
761  */
762 class EthernetCollection : public Node
763 {
764   public:
765     template <typename CrowApp>
766     EthernetCollection(CrowApp &app) :
767         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/")
768     {
769         entityPrivileges = {
770             {boost::beast::http::verb::get, {{"Login"}}},
771             {boost::beast::http::verb::head, {{"Login"}}},
772             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
773             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
774             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
775             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
776     }
777 
778   private:
779     /**
780      * Functions triggers appropriate requests on DBus
781      */
782     void doGet(crow::Response &res, const crow::Request &req,
783                const std::vector<std::string> &params) override
784     {
785         res.jsonValue["@odata.type"] =
786             "#EthernetInterfaceCollection.EthernetInterfaceCollection";
787         res.jsonValue["@odata.context"] =
788             "/redfish/v1/"
789             "$metadata#EthernetInterfaceCollection.EthernetInterfaceCollection";
790         res.jsonValue["@odata.id"] =
791             "/redfish/v1/Managers/bmc/EthernetInterfaces";
792         res.jsonValue["Name"] = "Ethernet Network Interface Collection";
793         res.jsonValue["Description"] =
794             "Collection of EthernetInterfaces for this Manager";
795 
796         // Get eth interface list, and call the below callback for JSON
797         // preparation
798         getEthernetIfaceList(
799             [&res](const bool &success,
800                    const std::vector<std::string> &iface_list) {
801                 if (!success)
802                 {
803                     messages::internalError(res);
804                     res.end();
805                     return;
806                 }
807 
808                 nlohmann::json &iface_array = res.jsonValue["Members"];
809                 iface_array = nlohmann::json::array();
810                 for (const std::string &iface_item : iface_list)
811                 {
812                     iface_array.push_back(
813                         {{"@odata.id",
814                           "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
815                               iface_item}});
816                 }
817 
818                 res.jsonValue["Members@odata.count"] = iface_array.size();
819                 res.jsonValue["@odata.id"] =
820                     "/redfish/v1/Managers/bmc/EthernetInterfaces";
821                 res.end();
822             });
823     }
824 };
825 
826 /**
827  * EthernetInterface derived class for delivering Ethernet Schema
828  */
829 class EthernetInterface : public Node
830 {
831   public:
832     /*
833      * Default Constructor
834      */
835     template <typename CrowApp>
836     EthernetInterface(CrowApp &app) :
837         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/",
838              std::string())
839     {
840         entityPrivileges = {
841             {boost::beast::http::verb::get, {{"Login"}}},
842             {boost::beast::http::verb::head, {{"Login"}}},
843             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
844             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
845             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
846             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
847     }
848 
849     // TODO(kkowalsk) Find a suitable class/namespace for this
850     static void handleVlanPatch(const std::string &ifaceId,
851                                 const nlohmann::json &input,
852                                 const EthernetInterfaceData &ethData,
853                                 const std::shared_ptr<AsyncResp> asyncResp)
854     {
855         if (!input.is_object())
856         {
857             messages::propertyValueTypeError(asyncResp->res, input.dump(),
858                                              "VLAN");
859             return;
860         }
861 
862         nlohmann::json::const_iterator vlanEnable = input.find("VLANEnable");
863         if (vlanEnable == input.end())
864         {
865             messages::propertyMissing(asyncResp->res, "VLANEnable");
866             return;
867         }
868         const bool *vlanEnableBool = vlanEnable->get_ptr<const bool *>();
869         if (vlanEnableBool == nullptr)
870         {
871             messages::propertyValueTypeError(asyncResp->res, vlanEnable->dump(),
872                                              "VLANEnable");
873             return;
874         }
875 
876         nlohmann::json::const_iterator vlanId = input.find("VLANId");
877         if (vlanId == input.end())
878         {
879             messages::propertyMissing(asyncResp->res, "VLANId");
880             return;
881         }
882         const uint64_t *vlanIdUint = vlanId->get_ptr<const uint64_t *>();
883         if (vlanIdUint == nullptr)
884         {
885             messages::propertyValueTypeError(asyncResp->res, vlanId->dump(),
886                                              "VLANId");
887             return;
888         }
889 
890         if (!ethData.vlan_id)
891         {
892             // This interface is not a VLAN. Cannot do anything with it
893             // TODO(kkowalsk) Change this message
894             messages::propertyNotWritable(asyncResp->res, "VLANEnable");
895 
896             return;
897         }
898 
899         // VLAN is configured on the interface
900         if (*vlanEnableBool == true)
901         {
902             // Change VLAN Id
903             asyncResp->res.jsonValue["VLANId"] = *vlanIdUint;
904             auto callback = [asyncResp](const boost::system::error_code ec) {
905                 if (ec)
906                 {
907                     messages::internalError(asyncResp->res);
908                 }
909                 else
910                 {
911                     asyncResp->res.jsonValue["VLANEnable"] = true;
912                 }
913             };
914             crow::connections::systemBus->async_method_call(
915                 std::move(callback), "xyz.openbmc_project.Network",
916                 "/xyz/openbmc_project/network/" + ifaceId,
917                 "org.freedesktop.DBus.Properties", "Set",
918                 "xyz.openbmc_project.Network.VLAN", "Id",
919                 sdbusplus::message::variant<uint32_t>(*vlanIdUint));
920         }
921         else
922         {
923             auto callback = [asyncResp](const boost::system::error_code ec) {
924                 if (ec)
925                 {
926                     messages::internalError(asyncResp->res);
927                     return;
928                 }
929                 asyncResp->res.jsonValue["VLANEnable"] = false;
930             };
931 
932             crow::connections::systemBus->async_method_call(
933                 std::move(callback), "xyz.openbmc_project.Network",
934                 "/xyz/openbmc_project/network/" + ifaceId,
935                 "xyz.openbmc_project.Object.Delete", "Delete");
936         }
937     }
938 
939   private:
940     void handleHostnamePatch(const nlohmann::json &input,
941                              const std::shared_ptr<AsyncResp> asyncResp)
942     {
943         const std::string *newHostname = input.get_ptr<const std::string *>();
944         if (newHostname == nullptr)
945         {
946             messages::propertyValueTypeError(asyncResp->res, input.dump(),
947                                              "HostName");
948             return;
949         }
950 
951         // Change hostname
952         setHostName(*newHostname,
953                     [asyncResp, newHostname{std::string(*newHostname)}](
954                         const boost::system::error_code ec) {
955                         if (ec)
956                         {
957                             messages::internalError(asyncResp->res);
958                         }
959                         else
960                         {
961                             asyncResp->res.jsonValue["HostName"] = newHostname;
962                         }
963                     });
964     }
965 
966     void handleIPv4Patch(
967         const std::string &ifaceId, const nlohmann::json &input,
968         const boost::container::flat_set<IPv4AddressData> &ipv4Data,
969         const std::shared_ptr<AsyncResp> asyncResp)
970     {
971         if (!input.is_array())
972         {
973             messages::propertyValueTypeError(asyncResp->res, input.dump(),
974                                              "IPv4Addresses");
975             return;
976         }
977 
978         // According to Redfish PATCH definition, size must be at least equal
979         if (input.size() < ipv4Data.size())
980         {
981             messages::propertyValueFormatError(asyncResp->res, input.dump(),
982                                                "IPv4Addresses");
983             return;
984         }
985 
986         int entryIdx = 0;
987         boost::container::flat_set<IPv4AddressData>::const_iterator thisData =
988             ipv4Data.begin();
989         for (const nlohmann::json &thisJson : input)
990         {
991             std::string pathString =
992                 "IPv4Addresses/" + std::to_string(entryIdx);
993             // Check that entry is not of some unexpected type
994             if (!thisJson.is_object() && !thisJson.is_null())
995             {
996                 messages::propertyValueTypeError(asyncResp->res,
997                                                  thisJson.dump(),
998                                                  pathString + "/IPv4Address");
999 
1000                 continue;
1001             }
1002 
1003             nlohmann::json::const_iterator addressFieldIt =
1004                 thisJson.find("Address");
1005             const std::string *addressField = nullptr;
1006             if (addressFieldIt != thisJson.end())
1007             {
1008                 addressField = addressFieldIt->get_ptr<const std::string *>();
1009                 if (addressField == nullptr)
1010                 {
1011                     messages::propertyValueFormatError(asyncResp->res,
1012                                                        addressFieldIt->dump(),
1013                                                        pathString + "/Address");
1014                     continue;
1015                 }
1016                 else
1017                 {
1018                     if (!ipv4VerifyIpAndGetBitcount(*addressField))
1019                     {
1020                         messages::propertyValueFormatError(
1021                             asyncResp->res, *addressField,
1022                             pathString + "/Address");
1023                         continue;
1024                     }
1025                 }
1026             }
1027 
1028             boost::optional<uint8_t> prefixLength;
1029             const std::string *subnetField = nullptr;
1030             nlohmann::json::const_iterator subnetFieldIt =
1031                 thisJson.find("SubnetMask");
1032             if (subnetFieldIt != thisJson.end())
1033             {
1034                 subnetField = subnetFieldIt->get_ptr<const std::string *>();
1035                 if (subnetField == nullptr)
1036                 {
1037                     messages::propertyValueFormatError(
1038                         asyncResp->res, *subnetField,
1039                         pathString + "/SubnetMask");
1040                     continue;
1041                 }
1042                 else
1043                 {
1044                     prefixLength = 0;
1045                     if (!ipv4VerifyIpAndGetBitcount(*subnetField,
1046                                                     &*prefixLength))
1047                     {
1048                         messages::propertyValueFormatError(
1049                             asyncResp->res, *subnetField,
1050                             pathString + "/SubnetMask");
1051                         continue;
1052                     }
1053                 }
1054             }
1055 
1056             std::string addressOriginInDBusFormat;
1057             const std::string *addressOriginField = nullptr;
1058             nlohmann::json::const_iterator addressOriginFieldIt =
1059                 thisJson.find("AddressOrigin");
1060             if (addressOriginFieldIt != thisJson.end())
1061             {
1062                 const std::string *addressOriginField =
1063                     addressOriginFieldIt->get_ptr<const std::string *>();
1064                 if (addressOriginField == nullptr)
1065                 {
1066                     messages::propertyValueFormatError(
1067                         asyncResp->res, *addressOriginField,
1068                         pathString + "/AddressOrigin");
1069                     continue;
1070                 }
1071                 else
1072                 {
1073                     // Get Address origin in proper format
1074                     addressOriginInDBusFormat =
1075                         translateAddressOriginRedfishToDbus(
1076                             *addressOriginField);
1077                     if (addressOriginInDBusFormat.empty())
1078                     {
1079                         messages::propertyValueNotInList(
1080                             asyncResp->res, *addressOriginField,
1081                             pathString + "/AddressOrigin");
1082                         continue;
1083                     }
1084                 }
1085             }
1086 
1087             nlohmann::json::const_iterator gatewayFieldIt =
1088                 thisJson.find("Gateway");
1089             const std::string *gatewayField = nullptr;
1090             if (gatewayFieldIt != thisJson.end())
1091             {
1092                 const std::string *gatewayField =
1093                     gatewayFieldIt->get_ptr<const std::string *>();
1094                 if (gatewayField == nullptr ||
1095                     !ipv4VerifyIpAndGetBitcount(*gatewayField))
1096                 {
1097                     messages::propertyValueFormatError(
1098                         asyncResp->res, *gatewayField, pathString + "/Gateway");
1099                     continue;
1100                 }
1101             }
1102 
1103             // if a vlan already exists, modify the existing
1104             if (thisData != ipv4Data.end())
1105             {
1106                 // Existing object that should be modified/deleted/remain
1107                 // unchanged
1108                 if (thisJson.is_null())
1109                 {
1110                     auto callback = [entryIdx{std::to_string(entryIdx)},
1111                                      asyncResp](
1112                                         const boost::system::error_code ec) {
1113                         if (ec)
1114                         {
1115                             messages::internalError(asyncResp->res);
1116                             return;
1117                         }
1118                         asyncResp->res.jsonValue["IPv4Addresses"][entryIdx] =
1119                             nullptr;
1120                     };
1121                     crow::connections::systemBus->async_method_call(
1122                         std::move(callback), "xyz.openbmc_project.Network",
1123                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" +
1124                             thisData->id,
1125                         "xyz.openbmc_project.Object.Delete", "Delete");
1126                 }
1127                 else if (thisJson.is_object())
1128                 {
1129                     // Apply changes
1130                     if (addressField != nullptr)
1131                     {
1132                         auto callback =
1133                             [asyncResp, entryIdx,
1134                              addressField{std::string(*addressField)}](
1135                                 const boost::system::error_code ec) {
1136                                 if (ec)
1137                                 {
1138                                     messages::internalError(asyncResp->res);
1139                                     return;
1140                                 }
1141                                 asyncResp->res
1142                                     .jsonValue["IPv4Addresses"][std::to_string(
1143                                         entryIdx)]["Address"] = addressField;
1144                             };
1145 
1146                         crow::connections::systemBus->async_method_call(
1147                             std::move(callback), "xyz.openbmc_project.Network",
1148                             "/xyz/openbmc_project/network/" + ifaceId +
1149                                 "/ipv4/" + thisData->id,
1150                             "org.freedesktop.DBus.Properties", "Set",
1151                             "xyz.openbmc_project.Network.IP", "Address",
1152                             sdbusplus::message::variant<std::string>(
1153                                 *addressField));
1154                     }
1155 
1156                     if (prefixLength && subnetField != nullptr)
1157                     {
1158                         changeIPv4SubnetMaskProperty(ifaceId, entryIdx,
1159                                                      thisData->id, *subnetField,
1160                                                      *prefixLength, asyncResp);
1161                     }
1162 
1163                     if (!addressOriginInDBusFormat.empty() &&
1164                         addressOriginField != nullptr)
1165                     {
1166                         changeIPv4Origin(ifaceId, entryIdx, thisData->id,
1167                                          *addressOriginField,
1168                                          addressOriginInDBusFormat, asyncResp);
1169                     }
1170 
1171                     if (gatewayField != nullptr)
1172                     {
1173                         auto callback =
1174                             [asyncResp, entryIdx,
1175                              gatewayField{std::string(*gatewayField)}](
1176                                 const boost::system::error_code ec) {
1177                                 if (ec)
1178                                 {
1179                                     messages::internalError(asyncResp->res);
1180                                     return;
1181                                 }
1182                                 asyncResp->res
1183                                     .jsonValue["IPv4Addresses"][std::to_string(
1184                                         entryIdx)]["Gateway"] =
1185                                     std::move(gatewayField);
1186                             };
1187 
1188                         crow::connections::systemBus->async_method_call(
1189                             std::move(callback), "xyz.openbmc_project.Network",
1190                             "/xyz/openbmc_project/network/" + ifaceId +
1191                                 "/ipv4/" + thisData->id,
1192                             "org.freedesktop.DBus.Properties", "Set",
1193                             "xyz.openbmc_project.Network.IP", "Gateway",
1194                             sdbusplus::message::variant<std::string>(
1195                                 *gatewayField));
1196                     }
1197                 }
1198                 thisData++;
1199             }
1200             else
1201             {
1202                 // Create IPv4 with provided data
1203                 if (gatewayField == nullptr)
1204                 {
1205                     messages::propertyMissing(asyncResp->res,
1206                                               pathString + "/Gateway");
1207                     continue;
1208                 }
1209 
1210                 if (addressField == nullptr)
1211                 {
1212                     messages::propertyMissing(asyncResp->res,
1213                                               pathString + "/Address");
1214                     continue;
1215                 }
1216 
1217                 if (!prefixLength)
1218                 {
1219                     messages::propertyMissing(asyncResp->res,
1220                                               pathString + "/SubnetMask");
1221                     continue;
1222                 }
1223 
1224                 createIPv4(ifaceId, entryIdx, *prefixLength, *gatewayField,
1225                            *addressField, asyncResp);
1226                 asyncResp->res.jsonValue["IPv4Addresses"][entryIdx] = thisJson;
1227             }
1228             entryIdx++;
1229         }
1230     }
1231 
1232     void parseInterfaceData(
1233         nlohmann::json &json_response, const std::string &iface_id,
1234         const EthernetInterfaceData &ethData,
1235         const boost::container::flat_set<IPv4AddressData> &ipv4Data)
1236     {
1237         json_response["Id"] = iface_id;
1238         json_response["@odata.id"] =
1239             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + iface_id;
1240 
1241         json_response["SpeedMbps"] = ethData.speed;
1242         json_response["MACAddress"] = ethData.mac_address;
1243         if (!ethData.hostname.empty())
1244         {
1245             json_response["HostName"] = ethData.hostname;
1246         }
1247 
1248         nlohmann::json &vlanObj = json_response["VLAN"];
1249         if (ethData.vlan_id)
1250         {
1251             vlanObj["VLANEnable"] = true;
1252             vlanObj["VLANId"] = *ethData.vlan_id;
1253         }
1254         else
1255         {
1256             vlanObj["VLANEnable"] = false;
1257             vlanObj["VLANId"] = 0;
1258         }
1259 
1260         if (ipv4Data.size() > 0)
1261         {
1262             nlohmann::json &ipv4_array = json_response["IPv4Addresses"];
1263             ipv4_array = nlohmann::json::array();
1264             for (auto &ipv4_config : ipv4Data)
1265             {
1266                 if (!ipv4_config.address.empty())
1267                 {
1268                     ipv4_array.push_back({{"AddressOrigin", ipv4_config.origin},
1269                                           {"SubnetMask", ipv4_config.netmask},
1270                                           {"Address", ipv4_config.address}});
1271 
1272                     if (!ipv4_config.gateway.empty())
1273                     {
1274                         ipv4_array.back()["Gateway"] = ipv4_config.gateway;
1275                     }
1276                 }
1277             }
1278         }
1279     }
1280 
1281     /**
1282      * Functions triggers appropriate requests on DBus
1283      */
1284     void doGet(crow::Response &res, const crow::Request &req,
1285                const std::vector<std::string> &params) override
1286     {
1287         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1288         if (params.size() != 1)
1289         {
1290             messages::internalError(asyncResp->res);
1291             return;
1292         }
1293 
1294         getEthernetIfaceData(
1295             params[0],
1296             [this, asyncResp, iface_id{std::string(params[0])}](
1297                 const bool &success, const EthernetInterfaceData &ethData,
1298                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1299                 if (!success)
1300                 {
1301                     // TODO(Pawel)consider distinguish between non existing
1302                     // object, and other errors
1303                     messages::resourceNotFound(asyncResp->res,
1304                                                "EthernetInterface", iface_id);
1305                     return;
1306                 }
1307                 asyncResp->res.jsonValue["@odata.type"] =
1308                     "#EthernetInterface.v1_2_0.EthernetInterface";
1309                 asyncResp->res.jsonValue["@odata.context"] =
1310                     "/redfish/v1/$metadata#EthernetInterface.EthernetInterface";
1311                 asyncResp->res.jsonValue["Name"] = "Manager Ethernet Interface";
1312                 asyncResp->res.jsonValue["Description"] =
1313                     "Management Network Interface";
1314 
1315                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1316                                    ipv4Data);
1317             });
1318     }
1319 
1320     void doPatch(crow::Response &res, const crow::Request &req,
1321                  const std::vector<std::string> &params) override
1322     {
1323         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1324         if (params.size() != 1)
1325         {
1326             messages::internalError(asyncResp->res);
1327             return;
1328         }
1329 
1330         const std::string &iface_id = params[0];
1331 
1332         nlohmann::json patchReq;
1333         if (!json_util::processJsonFromRequest(res, req, patchReq))
1334         {
1335             return;
1336         }
1337 
1338         // Get single eth interface data, and call the below callback for JSON
1339         // preparation
1340         getEthernetIfaceData(
1341             iface_id,
1342             [this, asyncResp, iface_id, patchReq = std::move(patchReq)](
1343                 const bool &success, const EthernetInterfaceData &ethData,
1344                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1345                 if (!success)
1346                 {
1347                     // ... otherwise return error
1348                     // TODO(Pawel)consider distinguish between non existing
1349                     // object, and other errors
1350                     messages::resourceNotFound(
1351                         asyncResp->res, "VLAN Network Interface", iface_id);
1352                     return;
1353                 }
1354 
1355                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1356                                    ipv4Data);
1357 
1358                 for (auto propertyIt : patchReq.items())
1359                 {
1360                     if (propertyIt.key() == "VLAN")
1361                     {
1362                         handleVlanPatch(iface_id, propertyIt.value(), ethData,
1363                                         asyncResp);
1364                     }
1365                     else if (propertyIt.key() == "HostName")
1366                     {
1367                         handleHostnamePatch(propertyIt.value(), asyncResp);
1368                     }
1369                     else if (propertyIt.key() == "IPv4Addresses")
1370                     {
1371                         handleIPv4Patch(iface_id, propertyIt.value(), ipv4Data,
1372                                         asyncResp);
1373                     }
1374                     else if (propertyIt.key() == "IPv6Addresses")
1375                     {
1376                         // TODO(kkowalsk) IPv6 Not supported on D-Bus yet
1377                         messages::propertyNotWritable(asyncResp->res,
1378                                                       propertyIt.key());
1379                     }
1380                     else
1381                     {
1382                         auto fieldInJsonIt =
1383                             asyncResp->res.jsonValue.find(propertyIt.key());
1384 
1385                         if (fieldInJsonIt == asyncResp->res.jsonValue.end())
1386                         {
1387                             // Field not in scope of defined fields
1388                             messages::propertyUnknown(asyncResp->res,
1389                                                       propertyIt.key());
1390                         }
1391                         else
1392                         {
1393                             // User attempted to modify non-writable field
1394                             messages::propertyNotWritable(asyncResp->res,
1395                                                           propertyIt.key());
1396                         }
1397                     }
1398                 }
1399             });
1400     }
1401 };
1402 
1403 /**
1404  * VlanNetworkInterface derived class for delivering VLANNetworkInterface
1405  * Schema
1406  */
1407 class VlanNetworkInterface : public Node
1408 {
1409   public:
1410     /*
1411      * Default Constructor
1412      */
1413     template <typename CrowApp>
1414     VlanNetworkInterface(CrowApp &app) :
1415         Node(app,
1416              "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>",
1417              std::string(), std::string())
1418     {
1419         entityPrivileges = {
1420             {boost::beast::http::verb::get, {{"Login"}}},
1421             {boost::beast::http::verb::head, {{"Login"}}},
1422             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1423             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1424             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1425             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1426     }
1427 
1428   private:
1429     void parseInterfaceData(
1430         nlohmann::json &json_response, const std::string &parent_iface_id,
1431         const std::string &iface_id, const EthernetInterfaceData &ethData,
1432         const boost::container::flat_set<IPv4AddressData> &ipv4Data)
1433     {
1434         // Fill out obvious data...
1435         json_response["Id"] = iface_id;
1436         json_response["@odata.id"] =
1437             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + parent_iface_id +
1438             "/VLANs/" + iface_id;
1439 
1440         json_response["VLANEnable"] = true;
1441         if (ethData.vlan_id)
1442         {
1443             json_response["VLANId"] = *ethData.vlan_id;
1444         }
1445     }
1446 
1447     bool verifyNames(crow::Response &res, const std::string &parent,
1448                      const std::string &iface)
1449     {
1450         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1451         if (!boost::starts_with(iface, parent + "_"))
1452         {
1453             messages::resourceNotFound(asyncResp->res, "VLAN Network Interface",
1454                                        iface);
1455             return false;
1456         }
1457         else
1458         {
1459             return true;
1460         }
1461     }
1462 
1463     /**
1464      * Functions triggers appropriate requests on DBus
1465      */
1466     void doGet(crow::Response &res, const crow::Request &req,
1467                const std::vector<std::string> &params) override
1468     {
1469         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1470         // TODO(Pawel) this shall be parameterized call (two params) to get
1471         // EthernetInterfaces for any Manager, not only hardcoded 'openbmc'.
1472         // Check if there is required param, truly entering this shall be
1473         // impossible.
1474         if (params.size() != 2)
1475         {
1476             messages::internalError(res);
1477             res.end();
1478             return;
1479         }
1480 
1481         const std::string &parent_iface_id = params[0];
1482         const std::string &iface_id = params[1];
1483         res.jsonValue["@odata.type"] =
1484             "#VLanNetworkInterface.v1_1_0.VLanNetworkInterface";
1485         res.jsonValue["@odata.context"] =
1486             "/redfish/v1/$metadata#VLanNetworkInterface.VLanNetworkInterface";
1487         res.jsonValue["Name"] = "VLAN Network Interface";
1488 
1489         if (!verifyNames(res, parent_iface_id, iface_id))
1490         {
1491             return;
1492         }
1493 
1494         // Get single eth interface data, and call the below callback for JSON
1495         // preparation
1496         getEthernetIfaceData(
1497             iface_id,
1498             [this, asyncResp, parent_iface_id, iface_id](
1499                 const bool &success, const EthernetInterfaceData &ethData,
1500                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1501                 if (success && ethData.vlan_id)
1502                 {
1503                     parseInterfaceData(asyncResp->res.jsonValue,
1504                                        parent_iface_id, iface_id, ethData,
1505                                        ipv4Data);
1506                 }
1507                 else
1508                 {
1509                     // ... otherwise return error
1510                     // TODO(Pawel)consider distinguish between non existing
1511                     // object, and other errors
1512                     messages::resourceNotFound(
1513                         asyncResp->res, "VLAN Network Interface", iface_id);
1514                 }
1515             });
1516     }
1517 
1518     void doPatch(crow::Response &res, const crow::Request &req,
1519                  const std::vector<std::string> &params) override
1520     {
1521         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1522         if (params.size() != 2)
1523         {
1524             messages::internalError(asyncResp->res);
1525             return;
1526         }
1527 
1528         const std::string &parentIfaceId = params[0];
1529         const std::string &ifaceId = params[1];
1530 
1531         if (!verifyNames(res, parentIfaceId, ifaceId))
1532         {
1533             return;
1534         }
1535 
1536         nlohmann::json patchReq;
1537         if (!json_util::processJsonFromRequest(res, req, patchReq))
1538         {
1539             return;
1540         }
1541 
1542         // Get single eth interface data, and call the below callback for JSON
1543         // preparation
1544         getEthernetIfaceData(
1545             ifaceId,
1546             [this, asyncResp, parentIfaceId, ifaceId,
1547              patchReq{std::move(patchReq)}](
1548                 const bool &success, const EthernetInterfaceData &ethData,
1549                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1550                 if (!success)
1551                 {
1552                     // TODO(Pawel)consider distinguish between non existing
1553                     // object, and other errors
1554                     messages::resourceNotFound(
1555                         asyncResp->res, "VLAN Network Interface", ifaceId);
1556 
1557                     return;
1558                 }
1559 
1560                 parseInterfaceData(asyncResp->res.jsonValue, parentIfaceId,
1561                                    ifaceId, ethData, ipv4Data);
1562 
1563                 for (auto propertyIt : patchReq.items())
1564                 {
1565                     if (propertyIt.key() != "VLANEnable" &&
1566                         propertyIt.key() != "VLANId")
1567                     {
1568                         auto fieldInJsonIt =
1569                             asyncResp->res.jsonValue.find(propertyIt.key());
1570                         if (fieldInJsonIt == asyncResp->res.jsonValue.end())
1571                         {
1572                             // Field not in scope of defined fields
1573                             messages::propertyUnknown(asyncResp->res,
1574                                                       propertyIt.key());
1575                         }
1576                         else
1577                         {
1578                             // User attempted to modify non-writable field
1579                             messages::propertyNotWritable(asyncResp->res,
1580                                                           propertyIt.key());
1581                         }
1582                     }
1583                 }
1584 
1585                 EthernetInterface::handleVlanPatch(ifaceId, patchReq, ethData,
1586                                                    asyncResp);
1587             });
1588     }
1589 
1590     void doDelete(crow::Response &res, const crow::Request &req,
1591                   const std::vector<std::string> &params) override
1592     {
1593         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1594         if (params.size() != 2)
1595         {
1596             messages::internalError(asyncResp->res);
1597             return;
1598         }
1599 
1600         const std::string &parentIfaceId = params[0];
1601         const std::string &ifaceId = params[1];
1602 
1603         if (!verifyNames(asyncResp->res, parentIfaceId, ifaceId))
1604         {
1605             return;
1606         }
1607 
1608         // Get single eth interface data, and call the below callback for JSON
1609         // preparation
1610         getEthernetIfaceData(
1611             ifaceId,
1612             [this, asyncResp, parentIfaceId{std::string(parentIfaceId)},
1613              ifaceId{std::string(ifaceId)}](
1614                 const bool &success, const EthernetInterfaceData &ethData,
1615                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1616                 if (success && ethData.vlan_id)
1617                 {
1618                     parseInterfaceData(asyncResp->res.jsonValue, parentIfaceId,
1619                                        ifaceId, ethData, ipv4Data);
1620 
1621                     auto callback =
1622                         [asyncResp](const boost::system::error_code ec) {
1623                             if (ec)
1624                             {
1625                                 messages::internalError(asyncResp->res);
1626                             }
1627                         };
1628                     crow::connections::systemBus->async_method_call(
1629                         std::move(callback), "xyz.openbmc_project.Network",
1630                         std::string("/xyz/openbmc_project/network/") + ifaceId,
1631                         "xyz.openbmc_project.Object.Delete", "Delete");
1632                 }
1633                 else
1634                 {
1635                     // ... otherwise return error
1636                     // TODO(Pawel)consider distinguish between non existing
1637                     // object, and other errors
1638                     messages::resourceNotFound(
1639                         asyncResp->res, "VLAN Network Interface", ifaceId);
1640                 }
1641             });
1642     }
1643 };
1644 
1645 /**
1646  * VlanNetworkInterfaceCollection derived class for delivering
1647  * VLANNetworkInterface Collection Schema
1648  */
1649 class VlanNetworkInterfaceCollection : public Node
1650 {
1651   public:
1652     template <typename CrowApp>
1653     VlanNetworkInterfaceCollection(CrowApp &app) :
1654         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/",
1655              std::string())
1656     {
1657         entityPrivileges = {
1658             {boost::beast::http::verb::get, {{"Login"}}},
1659             {boost::beast::http::verb::head, {{"Login"}}},
1660             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1661             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1662             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1663             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1664     }
1665 
1666   private:
1667     /**
1668      * Functions triggers appropriate requests on DBus
1669      */
1670     void doGet(crow::Response &res, const crow::Request &req,
1671                const std::vector<std::string> &params) override
1672     {
1673         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1674         if (params.size() != 1)
1675         {
1676             // This means there is a problem with the router
1677             messages::internalError(asyncResp->res);
1678             return;
1679         }
1680 
1681         const std::string &rootInterfaceName = params[0];
1682 
1683         // Get eth interface list, and call the below callback for JSON
1684         // preparation
1685         getEthernetIfaceList(
1686             [this, asyncResp,
1687              rootInterfaceName{std::string(rootInterfaceName)}](
1688                 const bool &success,
1689                 const std::vector<std::string> &iface_list) {
1690                 if (!success)
1691                 {
1692                     messages::internalError(asyncResp->res);
1693                     return;
1694                 }
1695                 asyncResp->res.jsonValue["@odata.type"] =
1696                     "#VLanNetworkInterfaceCollection."
1697                     "VLanNetworkInterfaceCollection";
1698                 asyncResp->res.jsonValue["@odata.context"] =
1699                     "/redfish/v1/$metadata"
1700                     "#VLanNetworkInterfaceCollection."
1701                     "VLanNetworkInterfaceCollection";
1702                 asyncResp->res.jsonValue["Name"] =
1703                     "VLAN Network Interface Collection";
1704 
1705                 nlohmann::json iface_array = nlohmann::json::array();
1706 
1707                 for (const std::string &iface_item : iface_list)
1708                 {
1709                     if (boost::starts_with(iface_item, rootInterfaceName + "_"))
1710                     {
1711                         iface_array.push_back(
1712                             {{"@odata.id",
1713                               "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1714                                   rootInterfaceName + "/VLANs/" + iface_item}});
1715                     }
1716                 }
1717 
1718                 if (iface_array.empty())
1719                 {
1720                     messages::resourceNotFound(
1721                         asyncResp->res, "EthernetInterface", rootInterfaceName);
1722                     return;
1723                 }
1724                 asyncResp->res.jsonValue["Members@odata.count"] =
1725                     iface_array.size();
1726                 asyncResp->res.jsonValue["Members"] = std::move(iface_array);
1727                 asyncResp->res.jsonValue["@odata.id"] =
1728                     "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1729                     rootInterfaceName + "/VLANs";
1730             });
1731     }
1732 
1733     void doPost(crow::Response &res, const crow::Request &req,
1734                 const std::vector<std::string> &params) override
1735     {
1736         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1737         if (params.size() != 1)
1738         {
1739             messages::internalError(asyncResp->res);
1740             return;
1741         }
1742 
1743         nlohmann::json postReq;
1744         if (!json_util::processJsonFromRequest(res, req, postReq))
1745         {
1746             return;
1747         }
1748 
1749         auto vlanIdJson = postReq.find("VLANId");
1750         if (vlanIdJson == postReq.end())
1751         {
1752             messages::propertyMissing(asyncResp->res, "VLANId");
1753             return;
1754         }
1755 
1756         const uint64_t *vlanId = vlanIdJson->get_ptr<const uint64_t *>();
1757         if (vlanId == nullptr)
1758         {
1759             messages::propertyValueTypeError(asyncResp->res, vlanIdJson->dump(),
1760                                              "VLANId");
1761             return;
1762         }
1763         const std::string &rootInterfaceName = params[0];
1764 
1765         auto callback = [asyncResp](const boost::system::error_code ec) {
1766             if (ec)
1767             {
1768                 // TODO(ed) make more consistent error messages based on
1769                 // phosphor-network responses
1770                 messages::internalError(asyncResp->res);
1771                 return;
1772             }
1773             messages::created(asyncResp->res);
1774         };
1775         crow::connections::systemBus->async_method_call(
1776             std::move(callback), "xyz.openbmc_project.Network",
1777             "/xyz/openbmc_project/network",
1778             "xyz.openbmc_project.Network.VLAN.Create", "VLAN",
1779             rootInterfaceName, static_cast<uint32_t>(*vlanId));
1780     }
1781 };
1782 } // namespace redfish
1783