xref: /openbmc/bmcweb/features/redfish/lib/ethernet.hpp (revision 0627a2c77b7600a53c84bbfec49d04588c260608)
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 
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     std::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                                 sdbusplus::message::variant_ns::get_if<
175                                     std::string>(&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 =
190                                 sdbusplus::message::variant_ns::get_if<
191                                     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                                 sdbusplus::message::variant_ns::get_if<bool>(
208                                     &propertyPair.second);
209                             if (auto_neg != nullptr)
210                             {
211                                 ethData.auto_neg = *auto_neg;
212                             }
213                         }
214                         else if (propertyPair.first == "Speed")
215                         {
216                             const uint32_t *speed =
217                                 sdbusplus::message::variant_ns::get_if<
218                                     uint32_t>(&propertyPair.second);
219                             if (speed != nullptr)
220                             {
221                                 ethData.speed = *speed;
222                             }
223                         }
224                     }
225                 }
226                 else if (ifacePair.first ==
227                          "xyz.openbmc_project.Network.SystemConfiguration")
228                 {
229                     for (const auto &propertyPair : ifacePair.second)
230                     {
231                         if (propertyPair.first == "HostName")
232                         {
233                             const std::string *hostname =
234                                 sdbusplus::message::variant_ns::get_if<
235                                     std::string>(&propertyPair.second);
236                             if (hostname != nullptr)
237                             {
238                                 ethData.hostname = *hostname;
239                             }
240                         }
241                         else if (propertyPair.first == "DefaultGateway")
242                         {
243                             const std::string *defaultGateway =
244                                 sdbusplus::message::variant_ns::get_if<
245                                     std::string>(&propertyPair.second);
246                             if (defaultGateway != nullptr)
247                             {
248                                 ethData.default_gateway = *defaultGateway;
249                             }
250                         }
251                     }
252                 }
253             }
254         }
255     }
256 }
257 
258 // Helper function that extracts data for single ethernet ipv4 address
259 inline void
260     extractIPData(const std::string &ethiface_id,
261                   const GetManagedObjects &dbus_data,
262                   boost::container::flat_set<IPv4AddressData> &ipv4_config)
263 {
264     const std::string ipv4PathStart =
265         "/xyz/openbmc_project/network/" + ethiface_id + "/ipv4/";
266 
267     // Since there might be several IPv4 configurations aligned with
268     // single ethernet interface, loop over all of them
269     for (const auto &objpath : dbus_data)
270     {
271         // Check if proper pattern for object path appears
272         if (boost::starts_with(objpath.first.str, ipv4PathStart))
273         {
274             for (auto &interface : objpath.second)
275             {
276                 if (interface.first == "xyz.openbmc_project.Network.IP")
277                 {
278                     // Instance IPv4AddressData structure, and set as
279                     // appropriate
280                     std::pair<
281                         boost::container::flat_set<IPv4AddressData>::iterator,
282                         bool>
283                         it = ipv4_config.insert(
284                             {objpath.first.str.substr(ipv4PathStart.size())});
285                     IPv4AddressData &ipv4_address = *it.first;
286                     for (auto &property : interface.second)
287                     {
288                         if (property.first == "Address")
289                         {
290                             const std::string *address =
291                                 sdbusplus::message::variant_ns::get_if<
292                                     std::string>(&property.second);
293                             if (address != nullptr)
294                             {
295                                 ipv4_address.address = *address;
296                             }
297                         }
298                         else if (property.first == "Gateway")
299                         {
300                             const std::string *gateway =
301                                 sdbusplus::message::variant_ns::get_if<
302                                     std::string>(&property.second);
303                             if (gateway != nullptr)
304                             {
305                                 ipv4_address.gateway = *gateway;
306                             }
307                         }
308                         else if (property.first == "Origin")
309                         {
310                             const std::string *origin =
311                                 sdbusplus::message::variant_ns::get_if<
312                                     std::string>(&property.second);
313                             if (origin != nullptr)
314                             {
315                                 ipv4_address.origin =
316                                     translateAddressOriginDbusToRedfish(*origin,
317                                                                         true);
318                             }
319                         }
320                         else if (property.first == "PrefixLength")
321                         {
322                             const uint8_t *mask =
323                                 sdbusplus::message::variant_ns::get_if<uint8_t>(
324                                     &property.second);
325                             if (mask != nullptr)
326                             {
327                                 // convert it to the string
328                                 ipv4_address.netmask = getNetmask(*mask);
329                             }
330                         }
331                         else
332                         {
333                             BMCWEB_LOG_ERROR
334                                 << "Got extra property: " << property.first
335                                 << " on the " << objpath.first.str << " object";
336                         }
337                     }
338                     // Check if given address is local, or global
339                     ipv4_address.linktype =
340                         boost::starts_with(ipv4_address.address, "169.254.")
341                             ? LinkType::Global
342                             : LinkType::Local;
343                 }
344             }
345         }
346     }
347 }
348 
349 /**
350  * @brief Sets given Id on the given VLAN interface through D-Bus
351  *
352  * @param[in] ifaceId       Id of VLAN interface that should be modified
353  * @param[in] inputVlanId   New ID of the VLAN
354  * @param[in] callback      Function that will be called after the operation
355  *
356  * @return None.
357  */
358 template <typename CallbackFunc>
359 void changeVlanId(const std::string &ifaceId, const uint32_t &inputVlanId,
360                   CallbackFunc &&callback)
361 {
362     crow::connections::systemBus->async_method_call(
363         callback, "xyz.openbmc_project.Network",
364         std::string("/xyz/openbmc_project/network/") + ifaceId,
365         "org.freedesktop.DBus.Properties", "Set",
366         "xyz.openbmc_project.Network.VLAN", "Id",
367         sdbusplus::message::variant<uint32_t>(inputVlanId));
368 }
369 
370 /**
371  * @brief Helper function that verifies IP address to check if it is in
372  *        proper format. If bits pointer is provided, also calculates active
373  *        bit count for Subnet Mask.
374  *
375  * @param[in]  ip     IP that will be verified
376  * @param[out] bits   Calculated mask in bits notation
377  *
378  * @return true in case of success, false otherwise
379  */
380 inline bool ipv4VerifyIpAndGetBitcount(const std::string &ip,
381                                        uint8_t *bits = nullptr)
382 {
383     std::vector<std::string> bytesInMask;
384 
385     boost::split(bytesInMask, ip, boost::is_any_of("."));
386 
387     static const constexpr int ipV4AddressSectionsCount = 4;
388     if (bytesInMask.size() != ipV4AddressSectionsCount)
389     {
390         return false;
391     }
392 
393     if (bits != nullptr)
394     {
395         *bits = 0;
396     }
397 
398     char *endPtr;
399     long previousValue = 255;
400     bool firstZeroInByteHit;
401     for (const std::string &byte : bytesInMask)
402     {
403         if (byte.empty())
404         {
405             return false;
406         }
407 
408         // Use strtol instead of stroi to avoid exceptions
409         long value = std::strtol(byte.c_str(), &endPtr, 10);
410 
411         // endPtr should point to the end of the string, otherwise given string
412         // is not 100% number
413         if (*endPtr != '\0')
414         {
415             return false;
416         }
417 
418         // Value should be contained in byte
419         if (value < 0 || value > 255)
420         {
421             return false;
422         }
423 
424         if (bits != nullptr)
425         {
426             // Mask has to be continuous between bytes
427             if (previousValue != 255 && value != 0)
428             {
429                 return false;
430             }
431 
432             // Mask has to be continuous inside bytes
433             firstZeroInByteHit = false;
434 
435             // Count bits
436             for (int bitIdx = 7; bitIdx >= 0; bitIdx--)
437             {
438                 if (value & (1 << bitIdx))
439                 {
440                     if (firstZeroInByteHit)
441                     {
442                         // Continuity not preserved
443                         return false;
444                     }
445                     else
446                     {
447                         (*bits)++;
448                     }
449                 }
450                 else
451                 {
452                     firstZeroInByteHit = true;
453                 }
454             }
455         }
456 
457         previousValue = value;
458     }
459 
460     return true;
461 }
462 
463 /**
464  * @brief Changes IPv4 address type property (Address, Gateway)
465  *
466  * @param[in] ifaceId     Id of interface whose IP should be modified
467  * @param[in] ipIdx       Index of IP in input array that should be modified
468  * @param[in] ipHash      DBus Hash id of modified IP
469  * @param[in] name        Name of field in JSON representation
470  * @param[in] newValue    New value that should be written
471  * @param[io] asyncResp   Response object that will be returned to client
472  *
473  * @return true if give IP is valid and has been sent do D-Bus, false
474  * otherwise
475  */
476 inline void changeIPv4AddressProperty(
477     const std::string &ifaceId, int ipIdx, const std::string &ipHash,
478     const std::string &name, const std::string &newValue,
479     const std::shared_ptr<AsyncResp> asyncResp)
480 {
481     auto callback = [asyncResp, ipIdx, name{std::string(name)},
482                      newValue{std::move(newValue)}](
483                         const boost::system::error_code ec) {
484         if (ec)
485         {
486             messages::internalError(asyncResp->res);
487         }
488         else
489         {
490             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx][name] = newValue;
491         }
492     };
493 
494     crow::connections::systemBus->async_method_call(
495         std::move(callback), "xyz.openbmc_project.Network",
496         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
497         "org.freedesktop.DBus.Properties", "Set",
498         "xyz.openbmc_project.Network.IP", name,
499         sdbusplus::message::variant<std::string>(newValue));
500 }
501 
502 /**
503  * @brief Changes IPv4 address origin property
504  *
505  * @param[in] ifaceId       Id of interface whose IP should be modified
506  * @param[in] ipIdx         Index of IP in input array that should be
507  * modified
508  * @param[in] ipHash        DBus Hash id of modified IP
509  * @param[in] newValue      New value in Redfish format
510  * @param[in] newValueDbus  New value in D-Bus format
511  * @param[io] asyncResp     Response object that will be returned to client
512  *
513  * @return true if give IP is valid and has been sent do D-Bus, false
514  * otherwise
515  */
516 inline void changeIPv4Origin(const std::string &ifaceId, int ipIdx,
517                              const std::string &ipHash,
518                              const std::string &newValue,
519                              const std::string &newValueDbus,
520                              const std::shared_ptr<AsyncResp> asyncResp)
521 {
522     auto callback = [asyncResp, ipIdx, newValue{std::move(newValue)}](
523                         const boost::system::error_code ec) {
524         if (ec)
525         {
526             messages::internalError(asyncResp->res);
527         }
528         else
529         {
530             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx]["AddressOrigin"] =
531                 newValue;
532         }
533     };
534 
535     crow::connections::systemBus->async_method_call(
536         std::move(callback), "xyz.openbmc_project.Network",
537         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
538         "org.freedesktop.DBus.Properties", "Set",
539         "xyz.openbmc_project.Network.IP", "Origin",
540         sdbusplus::message::variant<std::string>(newValueDbus));
541 }
542 
543 /**
544  * @brief Modifies SubnetMask for given IP
545  *
546  * @param[in] ifaceId      Id of interface whose IP should be modified
547  * @param[in] ipIdx        Index of IP in input array that should be
548  * modified
549  * @param[in] ipHash       DBus Hash id of modified IP
550  * @param[in] newValueStr  Mask in dot notation as string
551  * @param[in] newValue     Mask as PrefixLength in bitcount
552  * @param[io] asyncResp   Response object that will be returned to client
553  *
554  * @return None
555  */
556 inline void changeIPv4SubnetMaskProperty(const std::string &ifaceId, int ipIdx,
557                                          const std::string &ipHash,
558                                          const std::string &newValueStr,
559                                          uint8_t &newValue,
560                                          std::shared_ptr<AsyncResp> asyncResp)
561 {
562     auto callback = [asyncResp, ipIdx, newValueStr{std::move(newValueStr)}](
563                         const boost::system::error_code ec) {
564         if (ec)
565         {
566             messages::internalError(asyncResp->res);
567         }
568         else
569         {
570             asyncResp->res.jsonValue["IPv4Addresses"][ipIdx]["SubnetMask"] =
571                 newValueStr;
572         }
573     };
574 
575     crow::connections::systemBus->async_method_call(
576         std::move(callback), "xyz.openbmc_project.Network",
577         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
578         "org.freedesktop.DBus.Properties", "Set",
579         "xyz.openbmc_project.Network.IP", "PrefixLength",
580         sdbusplus::message::variant<uint8_t>(newValue));
581 }
582 
583 /**
584  * @brief Sets given HostName of the machine through D-Bus
585  *
586  * @param[in] newHostname   New name that HostName will be changed to
587  * @param[in] callback      Function that will be called after the operation
588  *
589  * @return None.
590  */
591 template <typename CallbackFunc>
592 void setHostName(const std::string &newHostname, CallbackFunc &&callback)
593 {
594     crow::connections::systemBus->async_method_call(
595         callback, "xyz.openbmc_project.Network",
596         "/xyz/openbmc_project/network/config",
597         "org.freedesktop.DBus.Properties", "Set",
598         "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
599         sdbusplus::message::variant<std::string>(newHostname));
600 }
601 
602 /**
603  * @brief Deletes given IPv4
604  *
605  * @param[in] ifaceId     Id of interface whose IP should be deleted
606  * @param[in] ipIdx       Index of IP in input array that should be deleted
607  * @param[in] ipHash      DBus Hash id of IP that should be deleted
608  * @param[io] asyncResp   Response object that will be returned to client
609  *
610  * @return None
611  */
612 inline void deleteIPv4(const std::string &ifaceId, const std::string &ipHash,
613                        unsigned int ipIdx,
614                        const std::shared_ptr<AsyncResp> asyncResp)
615 {
616     crow::connections::systemBus->async_method_call(
617         [ipIdx, asyncResp](const boost::system::error_code ec) {
618             if (ec)
619             {
620                 messages::internalError(asyncResp->res);
621             }
622             else
623             {
624                 asyncResp->res.jsonValue["IPv4Addresses"][ipIdx] = nullptr;
625             }
626         },
627         "xyz.openbmc_project.Network",
628         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
629         "xyz.openbmc_project.Object.Delete", "Delete");
630 }
631 
632 /**
633  * @brief Creates IPv4 with given data
634  *
635  * @param[in] ifaceId     Id of interface whose IP should be deleted
636  * @param[in] ipIdx       Index of IP in input array that should be deleted
637  * @param[in] ipHash      DBus Hash id of IP that should be deleted
638  * @param[io] asyncResp   Response object that will be returned to client
639  *
640  * @return None
641  */
642 inline void createIPv4(const std::string &ifaceId, unsigned int ipIdx,
643                        uint8_t subnetMask, const std::string &gateway,
644                        const std::string &address,
645                        std::shared_ptr<AsyncResp> asyncResp)
646 {
647     auto createIpHandler = [ipIdx,
648                             asyncResp](const boost::system::error_code ec) {
649         if (ec)
650         {
651             messages::internalError(asyncResp->res);
652         }
653     };
654 
655     crow::connections::systemBus->async_method_call(
656         std::move(createIpHandler), "xyz.openbmc_project.Network",
657         "/xyz/openbmc_project/network/" + ifaceId,
658         "xyz.openbmc_project.Network.IP.Create", "IP",
659         "xyz.openbmc_project.Network.IP.Protocol.IPv4", address, subnetMask,
660         gateway);
661 }
662 
663 /**
664  * Function that retrieves all properties for given Ethernet Interface
665  * Object
666  * from EntityManager Network Manager
667  * @param ethiface_id a eth interface id to query on DBus
668  * @param callback a function that shall be called to convert Dbus output
669  * into JSON
670  */
671 template <typename CallbackFunc>
672 void getEthernetIfaceData(const std::string &ethiface_id,
673                           CallbackFunc &&callback)
674 {
675     crow::connections::systemBus->async_method_call(
676         [ethiface_id{std::string{ethiface_id}}, callback{std::move(callback)}](
677             const boost::system::error_code error_code,
678             const GetManagedObjects &resp) {
679             EthernetInterfaceData ethData{};
680             boost::container::flat_set<IPv4AddressData> ipv4Data;
681 
682             if (error_code)
683             {
684                 callback(false, ethData, ipv4Data);
685                 return;
686             }
687 
688             extractEthernetInterfaceData(ethiface_id, resp, ethData);
689             extractIPData(ethiface_id, resp, ipv4Data);
690 
691             // Fix global GW
692             for (IPv4AddressData &ipv4 : ipv4Data)
693             {
694                 if ((ipv4.linktype == LinkType::Global) &&
695                     (ipv4.gateway == "0.0.0.0"))
696                 {
697                     ipv4.gateway = ethData.default_gateway;
698                 }
699             }
700 
701             // Finally make a callback with usefull data
702             callback(true, ethData, ipv4Data);
703         },
704         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
705         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
706 };
707 
708 /**
709  * Function that retrieves all Ethernet Interfaces available through Network
710  * Manager
711  * @param callback a function that shall be called to convert Dbus output
712  * into JSON.
713  */
714 template <typename CallbackFunc>
715 void getEthernetIfaceList(CallbackFunc &&callback)
716 {
717     crow::connections::systemBus->async_method_call(
718         [callback{std::move(callback)}](
719             const boost::system::error_code error_code,
720             GetManagedObjects &resp) {
721             // Callback requires vector<string> to retrieve all available
722             // ethernet interfaces
723             std::vector<std::string> iface_list;
724             iface_list.reserve(resp.size());
725             if (error_code)
726             {
727                 callback(false, iface_list);
728                 return;
729             }
730 
731             // Iterate over all retrieved ObjectPaths.
732             for (const auto &objpath : resp)
733             {
734                 // And all interfaces available for certain ObjectPath.
735                 for (const auto &interface : objpath.second)
736                 {
737                     // If interface is
738                     // xyz.openbmc_project.Network.EthernetInterface, this is
739                     // what we're looking for.
740                     if (interface.first ==
741                         "xyz.openbmc_project.Network.EthernetInterface")
742                     {
743                         // Cut out everyting until last "/", ...
744                         const std::string &iface_id = objpath.first.str;
745                         std::size_t last_pos = iface_id.rfind("/");
746                         if (last_pos != std::string::npos)
747                         {
748                             // and put it into output vector.
749                             iface_list.emplace_back(
750                                 iface_id.substr(last_pos + 1));
751                         }
752                     }
753                 }
754             }
755             // Finally make a callback with useful data
756             callback(true, iface_list);
757         },
758         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
759         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
760 };
761 
762 /**
763  * EthernetCollection derived class for delivering Ethernet Collection Schema
764  */
765 class EthernetCollection : public Node
766 {
767   public:
768     template <typename CrowApp>
769     EthernetCollection(CrowApp &app) :
770         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/")
771     {
772         entityPrivileges = {
773             {boost::beast::http::verb::get, {{"Login"}}},
774             {boost::beast::http::verb::head, {{"Login"}}},
775             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
776             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
777             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
778             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
779     }
780 
781   private:
782     /**
783      * Functions triggers appropriate requests on DBus
784      */
785     void doGet(crow::Response &res, const crow::Request &req,
786                const std::vector<std::string> &params) override
787     {
788         res.jsonValue["@odata.type"] =
789             "#EthernetInterfaceCollection.EthernetInterfaceCollection";
790         res.jsonValue["@odata.context"] =
791             "/redfish/v1/"
792             "$metadata#EthernetInterfaceCollection.EthernetInterfaceCollection";
793         res.jsonValue["@odata.id"] =
794             "/redfish/v1/Managers/bmc/EthernetInterfaces";
795         res.jsonValue["Name"] = "Ethernet Network Interface Collection";
796         res.jsonValue["Description"] =
797             "Collection of EthernetInterfaces for this Manager";
798 
799         // Get eth interface list, and call the below callback for JSON
800         // preparation
801         getEthernetIfaceList(
802             [&res](const bool &success,
803                    const std::vector<std::string> &iface_list) {
804                 if (!success)
805                 {
806                     messages::internalError(res);
807                     res.end();
808                     return;
809                 }
810 
811                 nlohmann::json &iface_array = res.jsonValue["Members"];
812                 iface_array = nlohmann::json::array();
813                 for (const std::string &iface_item : iface_list)
814                 {
815                     iface_array.push_back(
816                         {{"@odata.id",
817                           "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
818                               iface_item}});
819                 }
820 
821                 res.jsonValue["Members@odata.count"] = iface_array.size();
822                 res.jsonValue["@odata.id"] =
823                     "/redfish/v1/Managers/bmc/EthernetInterfaces";
824                 res.end();
825             });
826     }
827 };
828 
829 /**
830  * EthernetInterface derived class for delivering Ethernet Schema
831  */
832 class EthernetInterface : public Node
833 {
834   public:
835     /*
836      * Default Constructor
837      */
838     template <typename CrowApp>
839     EthernetInterface(CrowApp &app) :
840         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/",
841              std::string())
842     {
843         entityPrivileges = {
844             {boost::beast::http::verb::get, {{"Login"}}},
845             {boost::beast::http::verb::head, {{"Login"}}},
846             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
847             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
848             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
849             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
850     }
851 
852     // TODO(kkowalsk) Find a suitable class/namespace for this
853     static void handleVlanPatch(const std::string &ifaceId, bool vlanEnable,
854                                 uint64_t vlanId,
855                                 const EthernetInterfaceData &ethData,
856                                 const std::shared_ptr<AsyncResp> asyncResp)
857     {
858         if (!ethData.vlan_id)
859         {
860             // This interface is not a VLAN. Cannot do anything with it
861             // TODO(kkowalsk) Change this message
862             messages::propertyNotWritable(asyncResp->res, "VLANEnable");
863 
864             return;
865         }
866 
867         // VLAN is configured on the interface
868         if (vlanEnable == true)
869         {
870             // Change VLAN Id
871             asyncResp->res.jsonValue["VLANId"] = vlanId;
872             auto callback = [asyncResp](const boost::system::error_code ec) {
873                 if (ec)
874                 {
875                     messages::internalError(asyncResp->res);
876                 }
877                 else
878                 {
879                     asyncResp->res.jsonValue["VLANEnable"] = true;
880                 }
881             };
882             crow::connections::systemBus->async_method_call(
883                 std::move(callback), "xyz.openbmc_project.Network",
884                 "/xyz/openbmc_project/network/" + ifaceId,
885                 "org.freedesktop.DBus.Properties", "Set",
886                 "xyz.openbmc_project.Network.VLAN", "Id",
887                 sdbusplus::message::variant<uint32_t>(vlanId));
888         }
889         else
890         {
891             auto callback = [asyncResp](const boost::system::error_code ec) {
892                 if (ec)
893                 {
894                     messages::internalError(asyncResp->res);
895                     return;
896                 }
897                 asyncResp->res.jsonValue["VLANEnable"] = false;
898             };
899 
900             crow::connections::systemBus->async_method_call(
901                 std::move(callback), "xyz.openbmc_project.Network",
902                 "/xyz/openbmc_project/network/" + ifaceId,
903                 "xyz.openbmc_project.Object.Delete", "Delete");
904         }
905     }
906 
907   private:
908     void handleHostnamePatch(const nlohmann::json &input,
909                              const std::shared_ptr<AsyncResp> asyncResp)
910     {
911         const std::string *newHostname = input.get_ptr<const std::string *>();
912         if (newHostname == nullptr)
913         {
914             messages::propertyValueTypeError(asyncResp->res, input.dump(),
915                                              "HostName");
916             return;
917         }
918 
919         // Change hostname
920         setHostName(*newHostname,
921                     [asyncResp, newHostname{std::string(*newHostname)}](
922                         const boost::system::error_code ec) {
923                         if (ec)
924                         {
925                             messages::internalError(asyncResp->res);
926                         }
927                         else
928                         {
929                             asyncResp->res.jsonValue["HostName"] = newHostname;
930                         }
931                     });
932     }
933 
934     void handleIPv4Patch(
935         const std::string &ifaceId, const nlohmann::json &input,
936         const boost::container::flat_set<IPv4AddressData> &ipv4Data,
937         const std::shared_ptr<AsyncResp> asyncResp)
938     {
939         if (!input.is_array())
940         {
941             messages::propertyValueTypeError(asyncResp->res, input.dump(),
942                                              "IPv4Addresses");
943             return;
944         }
945 
946         // According to Redfish PATCH definition, size must be at least equal
947         if (input.size() < ipv4Data.size())
948         {
949             messages::propertyValueFormatError(asyncResp->res, input.dump(),
950                                                "IPv4Addresses");
951             return;
952         }
953 
954         int entryIdx = 0;
955         boost::container::flat_set<IPv4AddressData>::const_iterator thisData =
956             ipv4Data.begin();
957         for (const nlohmann::json &thisJson : input)
958         {
959             std::string pathString =
960                 "IPv4Addresses/" + std::to_string(entryIdx);
961             // Check that entry is not of some unexpected type
962             if (!thisJson.is_object() && !thisJson.is_null())
963             {
964                 messages::propertyValueTypeError(asyncResp->res,
965                                                  thisJson.dump(),
966                                                  pathString + "/IPv4Address");
967 
968                 continue;
969             }
970 
971             nlohmann::json::const_iterator addressFieldIt =
972                 thisJson.find("Address");
973             const std::string *addressField = nullptr;
974             if (addressFieldIt != thisJson.end())
975             {
976                 addressField = addressFieldIt->get_ptr<const std::string *>();
977                 if (addressField == nullptr)
978                 {
979                     messages::propertyValueFormatError(asyncResp->res,
980                                                        addressFieldIt->dump(),
981                                                        pathString + "/Address");
982                     continue;
983                 }
984                 else
985                 {
986                     if (!ipv4VerifyIpAndGetBitcount(*addressField))
987                     {
988                         messages::propertyValueFormatError(
989                             asyncResp->res, *addressField,
990                             pathString + "/Address");
991                         continue;
992                     }
993                 }
994             }
995 
996             std::optional<uint8_t> prefixLength;
997             const std::string *subnetField = nullptr;
998             nlohmann::json::const_iterator subnetFieldIt =
999                 thisJson.find("SubnetMask");
1000             if (subnetFieldIt != thisJson.end())
1001             {
1002                 subnetField = subnetFieldIt->get_ptr<const std::string *>();
1003                 if (subnetField == nullptr)
1004                 {
1005                     messages::propertyValueFormatError(
1006                         asyncResp->res, *subnetField,
1007                         pathString + "/SubnetMask");
1008                     continue;
1009                 }
1010                 else
1011                 {
1012                     prefixLength = 0;
1013                     if (!ipv4VerifyIpAndGetBitcount(*subnetField,
1014                                                     &*prefixLength))
1015                     {
1016                         messages::propertyValueFormatError(
1017                             asyncResp->res, *subnetField,
1018                             pathString + "/SubnetMask");
1019                         continue;
1020                     }
1021                 }
1022             }
1023 
1024             std::string addressOriginInDBusFormat;
1025             const std::string *addressOriginField = nullptr;
1026             nlohmann::json::const_iterator addressOriginFieldIt =
1027                 thisJson.find("AddressOrigin");
1028             if (addressOriginFieldIt != thisJson.end())
1029             {
1030                 const std::string *addressOriginField =
1031                     addressOriginFieldIt->get_ptr<const std::string *>();
1032                 if (addressOriginField == nullptr)
1033                 {
1034                     messages::propertyValueFormatError(
1035                         asyncResp->res, *addressOriginField,
1036                         pathString + "/AddressOrigin");
1037                     continue;
1038                 }
1039                 else
1040                 {
1041                     // Get Address origin in proper format
1042                     addressOriginInDBusFormat =
1043                         translateAddressOriginRedfishToDbus(
1044                             *addressOriginField);
1045                     if (addressOriginInDBusFormat.empty())
1046                     {
1047                         messages::propertyValueNotInList(
1048                             asyncResp->res, *addressOriginField,
1049                             pathString + "/AddressOrigin");
1050                         continue;
1051                     }
1052                 }
1053             }
1054 
1055             nlohmann::json::const_iterator gatewayFieldIt =
1056                 thisJson.find("Gateway");
1057             const std::string *gatewayField = nullptr;
1058             if (gatewayFieldIt != thisJson.end())
1059             {
1060                 const std::string *gatewayField =
1061                     gatewayFieldIt->get_ptr<const std::string *>();
1062                 if (gatewayField == nullptr ||
1063                     !ipv4VerifyIpAndGetBitcount(*gatewayField))
1064                 {
1065                     messages::propertyValueFormatError(
1066                         asyncResp->res, *gatewayField, pathString + "/Gateway");
1067                     continue;
1068                 }
1069             }
1070 
1071             // if a vlan already exists, modify the existing
1072             if (thisData != ipv4Data.end())
1073             {
1074                 // Existing object that should be modified/deleted/remain
1075                 // unchanged
1076                 if (thisJson.is_null())
1077                 {
1078                     auto callback = [entryIdx{std::to_string(entryIdx)},
1079                                      asyncResp](
1080                                         const boost::system::error_code ec) {
1081                         if (ec)
1082                         {
1083                             messages::internalError(asyncResp->res);
1084                             return;
1085                         }
1086                         asyncResp->res.jsonValue["IPv4Addresses"][entryIdx] =
1087                             nullptr;
1088                     };
1089                     crow::connections::systemBus->async_method_call(
1090                         std::move(callback), "xyz.openbmc_project.Network",
1091                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" +
1092                             thisData->id,
1093                         "xyz.openbmc_project.Object.Delete", "Delete");
1094                 }
1095                 else if (thisJson.is_object())
1096                 {
1097                     // Apply changes
1098                     if (addressField != nullptr)
1099                     {
1100                         auto callback =
1101                             [asyncResp, entryIdx,
1102                              addressField{std::string(*addressField)}](
1103                                 const boost::system::error_code ec) {
1104                                 if (ec)
1105                                 {
1106                                     messages::internalError(asyncResp->res);
1107                                     return;
1108                                 }
1109                                 asyncResp->res
1110                                     .jsonValue["IPv4Addresses"][std::to_string(
1111                                         entryIdx)]["Address"] = addressField;
1112                             };
1113 
1114                         crow::connections::systemBus->async_method_call(
1115                             std::move(callback), "xyz.openbmc_project.Network",
1116                             "/xyz/openbmc_project/network/" + ifaceId +
1117                                 "/ipv4/" + thisData->id,
1118                             "org.freedesktop.DBus.Properties", "Set",
1119                             "xyz.openbmc_project.Network.IP", "Address",
1120                             sdbusplus::message::variant<std::string>(
1121                                 *addressField));
1122                     }
1123 
1124                     if (prefixLength && subnetField != nullptr)
1125                     {
1126                         changeIPv4SubnetMaskProperty(ifaceId, entryIdx,
1127                                                      thisData->id, *subnetField,
1128                                                      *prefixLength, asyncResp);
1129                     }
1130 
1131                     if (!addressOriginInDBusFormat.empty() &&
1132                         addressOriginField != nullptr)
1133                     {
1134                         changeIPv4Origin(ifaceId, entryIdx, thisData->id,
1135                                          *addressOriginField,
1136                                          addressOriginInDBusFormat, asyncResp);
1137                     }
1138 
1139                     if (gatewayField != nullptr)
1140                     {
1141                         auto callback =
1142                             [asyncResp, entryIdx,
1143                              gatewayField{std::string(*gatewayField)}](
1144                                 const boost::system::error_code ec) {
1145                                 if (ec)
1146                                 {
1147                                     messages::internalError(asyncResp->res);
1148                                     return;
1149                                 }
1150                                 asyncResp->res
1151                                     .jsonValue["IPv4Addresses"][std::to_string(
1152                                         entryIdx)]["Gateway"] =
1153                                     std::move(gatewayField);
1154                             };
1155 
1156                         crow::connections::systemBus->async_method_call(
1157                             std::move(callback), "xyz.openbmc_project.Network",
1158                             "/xyz/openbmc_project/network/" + ifaceId +
1159                                 "/ipv4/" + thisData->id,
1160                             "org.freedesktop.DBus.Properties", "Set",
1161                             "xyz.openbmc_project.Network.IP", "Gateway",
1162                             sdbusplus::message::variant<std::string>(
1163                                 *gatewayField));
1164                     }
1165                 }
1166                 thisData++;
1167             }
1168             else
1169             {
1170                 // Create IPv4 with provided data
1171                 if (gatewayField == nullptr)
1172                 {
1173                     messages::propertyMissing(asyncResp->res,
1174                                               pathString + "/Gateway");
1175                     continue;
1176                 }
1177 
1178                 if (addressField == nullptr)
1179                 {
1180                     messages::propertyMissing(asyncResp->res,
1181                                               pathString + "/Address");
1182                     continue;
1183                 }
1184 
1185                 if (!prefixLength)
1186                 {
1187                     messages::propertyMissing(asyncResp->res,
1188                                               pathString + "/SubnetMask");
1189                     continue;
1190                 }
1191 
1192                 createIPv4(ifaceId, entryIdx, *prefixLength, *gatewayField,
1193                            *addressField, asyncResp);
1194                 asyncResp->res.jsonValue["IPv4Addresses"][entryIdx] = thisJson;
1195             }
1196             entryIdx++;
1197         }
1198     }
1199 
1200     void parseInterfaceData(
1201         nlohmann::json &json_response, const std::string &iface_id,
1202         const EthernetInterfaceData &ethData,
1203         const boost::container::flat_set<IPv4AddressData> &ipv4Data)
1204     {
1205         json_response["Id"] = iface_id;
1206         json_response["@odata.id"] =
1207             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + iface_id;
1208 
1209         json_response["SpeedMbps"] = ethData.speed;
1210         json_response["MACAddress"] = ethData.mac_address;
1211         if (!ethData.hostname.empty())
1212         {
1213             json_response["HostName"] = ethData.hostname;
1214         }
1215 
1216         nlohmann::json &vlanObj = json_response["VLAN"];
1217         if (ethData.vlan_id)
1218         {
1219             vlanObj["VLANEnable"] = true;
1220             vlanObj["VLANId"] = *ethData.vlan_id;
1221         }
1222         else
1223         {
1224             vlanObj["VLANEnable"] = false;
1225             vlanObj["VLANId"] = 0;
1226         }
1227 
1228         if (ipv4Data.size() > 0)
1229         {
1230             nlohmann::json &ipv4_array = json_response["IPv4Addresses"];
1231             ipv4_array = nlohmann::json::array();
1232             for (auto &ipv4_config : ipv4Data)
1233             {
1234                 if (!ipv4_config.address.empty())
1235                 {
1236                     ipv4_array.push_back({{"AddressOrigin", ipv4_config.origin},
1237                                           {"SubnetMask", ipv4_config.netmask},
1238                                           {"Address", ipv4_config.address}});
1239 
1240                     if (!ipv4_config.gateway.empty())
1241                     {
1242                         ipv4_array.back()["Gateway"] = ipv4_config.gateway;
1243                     }
1244                 }
1245             }
1246         }
1247     }
1248 
1249     /**
1250      * Functions triggers appropriate requests on DBus
1251      */
1252     void doGet(crow::Response &res, const crow::Request &req,
1253                const std::vector<std::string> &params) override
1254     {
1255         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1256         if (params.size() != 1)
1257         {
1258             messages::internalError(asyncResp->res);
1259             return;
1260         }
1261 
1262         getEthernetIfaceData(
1263             params[0],
1264             [this, asyncResp, iface_id{std::string(params[0])}](
1265                 const bool &success, const EthernetInterfaceData &ethData,
1266                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1267                 if (!success)
1268                 {
1269                     // TODO(Pawel)consider distinguish between non existing
1270                     // object, and other errors
1271                     messages::resourceNotFound(asyncResp->res,
1272                                                "EthernetInterface", iface_id);
1273                     return;
1274                 }
1275                 asyncResp->res.jsonValue["@odata.type"] =
1276                     "#EthernetInterface.v1_2_0.EthernetInterface";
1277                 asyncResp->res.jsonValue["@odata.context"] =
1278                     "/redfish/v1/$metadata#EthernetInterface.EthernetInterface";
1279                 asyncResp->res.jsonValue["Name"] = "Manager Ethernet Interface";
1280                 asyncResp->res.jsonValue["Description"] =
1281                     "Management Network Interface";
1282 
1283                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1284                                    ipv4Data);
1285             });
1286     }
1287 
1288     void doPatch(crow::Response &res, const crow::Request &req,
1289                  const std::vector<std::string> &params) override
1290     {
1291         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1292         if (params.size() != 1)
1293         {
1294             messages::internalError(asyncResp->res);
1295             return;
1296         }
1297 
1298         const std::string &iface_id = params[0];
1299 
1300         std::optional<nlohmann::json> vlan;
1301         std::optional<nlohmann::json> hostname;
1302         std::optional<nlohmann::json> ipv4Addresses;
1303         std::optional<nlohmann::json> ipv6Addresses;
1304 
1305         if (!json_util::readJson(req, res, "VLAN", vlan, "HostName", hostname,
1306                                  "IPv4Addresses", ipv4Addresses,
1307                                  "IPv6Addresses", ipv6Addresses))
1308         {
1309             return;
1310         }
1311         std::optional<uint64_t> vlanId = 0;
1312         std::optional<bool> vlanEnable = false;
1313         if (vlan)
1314         {
1315             if (!json_util::readJson(*vlan, res, "VLANEnable", vlanEnable,
1316                                      "VLANId", vlanId))
1317             {
1318                 return;
1319             }
1320             // Need both vlanId and vlanEnable to service this request
1321             if (static_cast<bool>(vlanId) ^ static_cast<bool>(vlanEnable))
1322             {
1323                 if (vlanId)
1324                 {
1325                     messages::propertyMissing(asyncResp->res, "VLANEnable");
1326                 }
1327                 else
1328                 {
1329                     messages::propertyMissing(asyncResp->res, "VLANId");
1330                 }
1331 
1332                 return;
1333             }
1334         }
1335 
1336         // Get single eth interface data, and call the below callback for JSON
1337         // preparation
1338         getEthernetIfaceData(
1339             iface_id,
1340             [this, asyncResp, iface_id, vlanId, vlanEnable,
1341              hostname = std::move(hostname),
1342              ipv4Addresses = std::move(ipv4Addresses),
1343              ipv6Addresses = std::move(ipv6Addresses)](
1344                 const bool &success, const EthernetInterfaceData &ethData,
1345                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1346                 if (!success)
1347                 {
1348                     // ... otherwise return error
1349                     // TODO(Pawel)consider distinguish between non existing
1350                     // object, and other errors
1351                     messages::resourceNotFound(
1352                         asyncResp->res, "VLAN Network Interface", iface_id);
1353                     return;
1354                 }
1355 
1356                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1357                                    ipv4Data);
1358 
1359                 if (vlanId && vlanEnable)
1360                 {
1361                     handleVlanPatch(iface_id, *vlanId, *vlanEnable, ethData,
1362                                     asyncResp);
1363                 }
1364 
1365                 if (hostname)
1366                 {
1367                     handleHostnamePatch(*hostname, asyncResp);
1368                 }
1369 
1370                 if (ipv4Addresses)
1371                 {
1372                     handleIPv4Patch(iface_id, *ipv4Addresses, ipv4Data,
1373                                     asyncResp);
1374                 }
1375 
1376                 if (ipv6Addresses)
1377                 {
1378                     // TODO(kkowalsk) IPv6 Not supported on D-Bus yet
1379                     messages::propertyNotWritable(asyncResp->res,
1380                                                   "IPv6Addresses");
1381                 }
1382             });
1383     }
1384 };
1385 
1386 /**
1387  * VlanNetworkInterface derived class for delivering VLANNetworkInterface
1388  * Schema
1389  */
1390 class VlanNetworkInterface : public Node
1391 {
1392   public:
1393     /*
1394      * Default Constructor
1395      */
1396     template <typename CrowApp>
1397     VlanNetworkInterface(CrowApp &app) :
1398         Node(app,
1399              "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>",
1400              std::string(), std::string())
1401     {
1402         entityPrivileges = {
1403             {boost::beast::http::verb::get, {{"Login"}}},
1404             {boost::beast::http::verb::head, {{"Login"}}},
1405             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1406             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1407             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1408             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1409     }
1410 
1411   private:
1412     void parseInterfaceData(
1413         nlohmann::json &json_response, const std::string &parent_iface_id,
1414         const std::string &iface_id, const EthernetInterfaceData &ethData,
1415         const boost::container::flat_set<IPv4AddressData> &ipv4Data)
1416     {
1417         // Fill out obvious data...
1418         json_response["Id"] = iface_id;
1419         json_response["@odata.id"] =
1420             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + parent_iface_id +
1421             "/VLANs/" + iface_id;
1422 
1423         json_response["VLANEnable"] = true;
1424         if (ethData.vlan_id)
1425         {
1426             json_response["VLANId"] = *ethData.vlan_id;
1427         }
1428     }
1429 
1430     bool verifyNames(crow::Response &res, const std::string &parent,
1431                      const std::string &iface)
1432     {
1433         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1434         if (!boost::starts_with(iface, parent + "_"))
1435         {
1436             messages::resourceNotFound(asyncResp->res, "VLAN Network Interface",
1437                                        iface);
1438             return false;
1439         }
1440         else
1441         {
1442             return true;
1443         }
1444     }
1445 
1446     /**
1447      * Functions triggers appropriate requests on DBus
1448      */
1449     void doGet(crow::Response &res, const crow::Request &req,
1450                const std::vector<std::string> &params) override
1451     {
1452         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1453         // TODO(Pawel) this shall be parameterized call (two params) to get
1454         // EthernetInterfaces for any Manager, not only hardcoded 'openbmc'.
1455         // Check if there is required param, truly entering this shall be
1456         // impossible.
1457         if (params.size() != 2)
1458         {
1459             messages::internalError(res);
1460             res.end();
1461             return;
1462         }
1463 
1464         const std::string &parent_iface_id = params[0];
1465         const std::string &iface_id = params[1];
1466         res.jsonValue["@odata.type"] =
1467             "#VLanNetworkInterface.v1_1_0.VLanNetworkInterface";
1468         res.jsonValue["@odata.context"] =
1469             "/redfish/v1/$metadata#VLanNetworkInterface.VLanNetworkInterface";
1470         res.jsonValue["Name"] = "VLAN Network Interface";
1471 
1472         if (!verifyNames(res, parent_iface_id, iface_id))
1473         {
1474             return;
1475         }
1476 
1477         // Get single eth interface data, and call the below callback for JSON
1478         // preparation
1479         getEthernetIfaceData(
1480             iface_id,
1481             [this, asyncResp, parent_iface_id, iface_id](
1482                 const bool &success, const EthernetInterfaceData &ethData,
1483                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1484                 if (success && ethData.vlan_id)
1485                 {
1486                     parseInterfaceData(asyncResp->res.jsonValue,
1487                                        parent_iface_id, iface_id, ethData,
1488                                        ipv4Data);
1489                 }
1490                 else
1491                 {
1492                     // ... otherwise return error
1493                     // TODO(Pawel)consider distinguish between non existing
1494                     // object, and other errors
1495                     messages::resourceNotFound(
1496                         asyncResp->res, "VLAN Network Interface", iface_id);
1497                 }
1498             });
1499     }
1500 
1501     void doPatch(crow::Response &res, const crow::Request &req,
1502                  const std::vector<std::string> &params) override
1503     {
1504         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1505         if (params.size() != 2)
1506         {
1507             messages::internalError(asyncResp->res);
1508             return;
1509         }
1510 
1511         const std::string &parentIfaceId = params[0];
1512         const std::string &ifaceId = params[1];
1513 
1514         if (!verifyNames(res, parentIfaceId, ifaceId))
1515         {
1516             return;
1517         }
1518 
1519         bool vlanEnable = false;
1520         uint64_t vlanId = 0;
1521 
1522         if (!json_util::readJson(req, res, "VLANEnable", vlanEnable, "VLANId",
1523                                  vlanId))
1524         {
1525             return;
1526         }
1527 
1528         // Get single eth interface data, and call the below callback for JSON
1529         // preparation
1530         getEthernetIfaceData(
1531             ifaceId,
1532             [this, asyncResp, parentIfaceId, ifaceId, vlanEnable, vlanId](
1533                 const bool &success, const EthernetInterfaceData &ethData,
1534                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1535                 if (!success)
1536                 {
1537                     // TODO(Pawel)consider distinguish between non existing
1538                     // object, and other errors
1539                     messages::resourceNotFound(
1540                         asyncResp->res, "VLAN Network Interface", ifaceId);
1541 
1542                     return;
1543                 }
1544 
1545                 parseInterfaceData(asyncResp->res.jsonValue, parentIfaceId,
1546                                    ifaceId, ethData, ipv4Data);
1547 
1548                 EthernetInterface::handleVlanPatch(ifaceId, vlanId, vlanEnable,
1549                                                    ethData, asyncResp);
1550             });
1551     }
1552 
1553     void doDelete(crow::Response &res, const crow::Request &req,
1554                   const std::vector<std::string> &params) override
1555     {
1556         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1557         if (params.size() != 2)
1558         {
1559             messages::internalError(asyncResp->res);
1560             return;
1561         }
1562 
1563         const std::string &parentIfaceId = params[0];
1564         const std::string &ifaceId = params[1];
1565 
1566         if (!verifyNames(asyncResp->res, parentIfaceId, ifaceId))
1567         {
1568             return;
1569         }
1570 
1571         // Get single eth interface data, and call the below callback for JSON
1572         // preparation
1573         getEthernetIfaceData(
1574             ifaceId,
1575             [this, asyncResp, parentIfaceId{std::string(parentIfaceId)},
1576              ifaceId{std::string(ifaceId)}](
1577                 const bool &success, const EthernetInterfaceData &ethData,
1578                 const boost::container::flat_set<IPv4AddressData> &ipv4Data) {
1579                 if (success && ethData.vlan_id)
1580                 {
1581                     parseInterfaceData(asyncResp->res.jsonValue, parentIfaceId,
1582                                        ifaceId, ethData, ipv4Data);
1583 
1584                     auto callback =
1585                         [asyncResp](const boost::system::error_code ec) {
1586                             if (ec)
1587                             {
1588                                 messages::internalError(asyncResp->res);
1589                             }
1590                         };
1591                     crow::connections::systemBus->async_method_call(
1592                         std::move(callback), "xyz.openbmc_project.Network",
1593                         std::string("/xyz/openbmc_project/network/") + ifaceId,
1594                         "xyz.openbmc_project.Object.Delete", "Delete");
1595                 }
1596                 else
1597                 {
1598                     // ... otherwise return error
1599                     // TODO(Pawel)consider distinguish between non existing
1600                     // object, and other errors
1601                     messages::resourceNotFound(
1602                         asyncResp->res, "VLAN Network Interface", ifaceId);
1603                 }
1604             });
1605     }
1606 };
1607 
1608 /**
1609  * VlanNetworkInterfaceCollection derived class for delivering
1610  * VLANNetworkInterface Collection Schema
1611  */
1612 class VlanNetworkInterfaceCollection : public Node
1613 {
1614   public:
1615     template <typename CrowApp>
1616     VlanNetworkInterfaceCollection(CrowApp &app) :
1617         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/",
1618              std::string())
1619     {
1620         entityPrivileges = {
1621             {boost::beast::http::verb::get, {{"Login"}}},
1622             {boost::beast::http::verb::head, {{"Login"}}},
1623             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1624             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1625             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1626             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1627     }
1628 
1629   private:
1630     /**
1631      * Functions triggers appropriate requests on DBus
1632      */
1633     void doGet(crow::Response &res, const crow::Request &req,
1634                const std::vector<std::string> &params) override
1635     {
1636         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1637         if (params.size() != 1)
1638         {
1639             // This means there is a problem with the router
1640             messages::internalError(asyncResp->res);
1641             return;
1642         }
1643 
1644         const std::string &rootInterfaceName = params[0];
1645 
1646         // Get eth interface list, and call the below callback for JSON
1647         // preparation
1648         getEthernetIfaceList(
1649             [this, asyncResp,
1650              rootInterfaceName{std::string(rootInterfaceName)}](
1651                 const bool &success,
1652                 const std::vector<std::string> &iface_list) {
1653                 if (!success)
1654                 {
1655                     messages::internalError(asyncResp->res);
1656                     return;
1657                 }
1658                 asyncResp->res.jsonValue["@odata.type"] =
1659                     "#VLanNetworkInterfaceCollection."
1660                     "VLanNetworkInterfaceCollection";
1661                 asyncResp->res.jsonValue["@odata.context"] =
1662                     "/redfish/v1/$metadata"
1663                     "#VLanNetworkInterfaceCollection."
1664                     "VLanNetworkInterfaceCollection";
1665                 asyncResp->res.jsonValue["Name"] =
1666                     "VLAN Network Interface Collection";
1667 
1668                 nlohmann::json iface_array = nlohmann::json::array();
1669 
1670                 for (const std::string &iface_item : iface_list)
1671                 {
1672                     if (boost::starts_with(iface_item, rootInterfaceName + "_"))
1673                     {
1674                         iface_array.push_back(
1675                             {{"@odata.id",
1676                               "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1677                                   rootInterfaceName + "/VLANs/" + iface_item}});
1678                     }
1679                 }
1680 
1681                 if (iface_array.empty())
1682                 {
1683                     messages::resourceNotFound(
1684                         asyncResp->res, "EthernetInterface", rootInterfaceName);
1685                     return;
1686                 }
1687                 asyncResp->res.jsonValue["Members@odata.count"] =
1688                     iface_array.size();
1689                 asyncResp->res.jsonValue["Members"] = std::move(iface_array);
1690                 asyncResp->res.jsonValue["@odata.id"] =
1691                     "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1692                     rootInterfaceName + "/VLANs";
1693             });
1694     }
1695 
1696     void doPost(crow::Response &res, const crow::Request &req,
1697                 const std::vector<std::string> &params) override
1698     {
1699         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1700         if (params.size() != 1)
1701         {
1702             messages::internalError(asyncResp->res);
1703             return;
1704         }
1705 
1706         uint32_t vlanId = 0;
1707         if (!json_util::readJson(req, res, "VLANId", vlanId))
1708         {
1709             return;
1710         }
1711         const std::string &rootInterfaceName = params[0];
1712         auto callback = [asyncResp](const boost::system::error_code ec) {
1713             if (ec)
1714             {
1715                 // TODO(ed) make more consistent error messages based on
1716                 // phosphor-network responses
1717                 messages::internalError(asyncResp->res);
1718                 return;
1719             }
1720             messages::created(asyncResp->res);
1721         };
1722         crow::connections::systemBus->async_method_call(
1723             std::move(callback), "xyz.openbmc_project.Network",
1724             "/xyz/openbmc_project/network",
1725             "xyz.openbmc_project.Network.VLAN.Create", "VLAN",
1726             rootInterfaceName, vlanId);
1727     }
1728 };
1729 } // namespace redfish
1730