blob: 191dd113b27be38a573a3c8291906584035481e7 [file] [log] [blame]
Manojkiran Edaef773052021-07-29 09:29:28 +05301#include "common/flight_recorder.hpp"
Deepak Kodihallid130e1a2020-06-17 05:55:32 -05002#include "common/utils.hpp"
Deepak Kodihalli4de4d002019-11-11 02:41:43 -06003#include "dbus_impl_requester.hpp"
Tom Josephfb3bc062021-08-17 07:48:11 -07004#include "fw-update/manager.hpp"
Deepak Kodihallibc669f12019-11-28 08:52:07 -06005#include "invoker.hpp"
Tom Joseph74f27c72021-05-16 07:58:53 -07006#include "requester/handler.hpp"
Tom Josephfb3bc062021-08-17 07:48:11 -07007#include "requester/mctp_endpoint_discovery.hpp"
Tom Joseph74f27c72021-05-16 07:58:53 -07008#include "requester/request.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -05009
10#include <err.h>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053011#include <getopt.h>
George Liuc453e162022-12-21 17:16:23 +080012#include <libpldm/base.h>
13#include <libpldm/bios.h>
14#include <libpldm/pdr.h>
15#include <libpldm/platform.h>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050016#include <poll.h>
17#include <stdlib.h>
18#include <sys/socket.h>
19#include <sys/types.h>
20#include <sys/un.h>
21#include <unistd.h>
22
Riya Dixit49cfb132023-03-02 04:26:53 -060023#include <phosphor-logging/lg2.hpp>
George Liu6492f522020-06-16 10:34:05 +080024#include <sdeventplus/event.hpp>
25#include <sdeventplus/source/io.hpp>
Manojkiran Edaef773052021-07-29 09:29:28 +053026#include <sdeventplus/source/signal.hpp>
27#include <stdplus/signal.hpp>
George Liu6492f522020-06-16 10:34:05 +080028
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050029#include <cstdio>
30#include <cstring>
Pavithra Barithaya51efaf82020-04-02 02:42:27 -050031#include <fstream>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050032#include <iomanip>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053033#include <iostream>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050034#include <iterator>
Deepak Kodihallic682fe22020-03-04 00:42:54 -060035#include <memory>
Tom Joseph74f27c72021-05-16 07:58:53 -070036#include <optional>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050037#include <sstream>
Deepak Kodihallibc669f12019-11-28 08:52:07 -060038#include <stdexcept>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053039#include <string>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050040#include <vector>
41
Riya Dixit49cfb132023-03-02 04:26:53 -060042PHOSPHOR_LOG2_USING;
43
Tom Joseph02b4ee42021-05-02 22:44:36 -070044#ifdef LIBPLDMRESPONDER
45#include "dbus_impl_pdr.hpp"
46#include "host-bmc/dbus_to_event_handler.hpp"
47#include "host-bmc/dbus_to_host_effecters.hpp"
Tom Joseph20aa3e02021-08-17 04:44:19 -070048#include "host-bmc/host_condition.hpp"
Tom Joseph02b4ee42021-05-02 22:44:36 -070049#include "host-bmc/host_pdr_handler.hpp"
50#include "libpldmresponder/base.hpp"
51#include "libpldmresponder/bios.hpp"
52#include "libpldmresponder/fru.hpp"
53#include "libpldmresponder/oem_handler.hpp"
54#include "libpldmresponder/platform.hpp"
55#include "xyz/openbmc_project/PLDM/Event/server.hpp"
56#endif
57
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050058#ifdef OEM_IBM
59#include "libpldmresponder/file_io.hpp"
Sampa Misraaea5dde2020-08-31 08:33:47 -050060#include "libpldmresponder/oem_ibm_handler.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050061#endif
62
63constexpr uint8_t MCTP_MSG_TYPE_PLDM = 1;
64
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050065using namespace pldm;
Deepak Kodihalli37998bf2019-11-11 04:06:53 -060066using namespace sdeventplus;
67using namespace sdeventplus::source;
Tom Joseph02b4ee42021-05-02 22:44:36 -070068using namespace pldm::responder;
69using namespace pldm::utils;
Manojkiran Edaef773052021-07-29 09:29:28 +053070using sdeventplus::source::Signal;
71using namespace pldm::flightrecorder;
72
73void interruptFlightRecorderCallBack(Signal& /*signal*/,
74 const struct signalfd_siginfo*)
75{
Riya Dixit49cfb132023-03-02 04:26:53 -060076 error("Received SIGUR1(10) Signal interrupt");
Manojkiran Edaef773052021-07-29 09:29:28 +053077 // obtain the flight recorder instance and dump the recorder
78 FlightRecorder::GetInstance().playRecorder();
79}
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050080
Tom Joseph74f27c72021-05-16 07:58:53 -070081static std::optional<Response>
82 processRxMsg(const std::vector<uint8_t>& requestMsg, Invoker& invoker,
Tom Josephfb3bc062021-08-17 07:48:11 -070083 requester::Handler<requester::Request>& handler,
84 fw_update::Manager* fwManager)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050085{
Manojkiran Eda31a78442021-09-12 15:18:25 +053086 using type = uint8_t;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050087 uint8_t eid = requestMsg[0];
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050088 pldm_header_info hdrFields{};
89 auto hdr = reinterpret_cast<const pldm_msg_hdr*>(
90 requestMsg.data() + sizeof(eid) + sizeof(type));
91 if (PLDM_SUCCESS != unpack_pldm_header(hdr, &hdrFields))
92 {
Riya Dixit49cfb132023-03-02 04:26:53 -060093 error("Empty PLDM request header");
Tom Joseph74f27c72021-05-16 07:58:53 -070094 return std::nullopt;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050095 }
George Liub7095ff2021-06-14 16:01:57 +080096
97 if (PLDM_RESPONSE != hdrFields.msg_type)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050098 {
Tom Joseph74f27c72021-05-16 07:58:53 -070099 Response response;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500100 auto request = reinterpret_cast<const pldm_msg*>(hdr);
101 size_t requestLen = requestMsg.size() - sizeof(struct pldm_msg_hdr) -
102 sizeof(eid) - sizeof(type);
Deepak Kodihallibc669f12019-11-28 08:52:07 -0600103 try
104 {
Tom Josephfb3bc062021-08-17 07:48:11 -0700105 if (hdrFields.pldm_type != PLDM_FWUP)
106 {
107 response =
108 invoker.handle(hdrFields.pldm_type, hdrFields.command,
109 request, requestLen);
110 }
111 else
112 {
113 response = fwManager->handleRequest(eid, hdrFields.command,
114 request, requestLen);
115 }
Deepak Kodihallibc669f12019-11-28 08:52:07 -0600116 }
117 catch (const std::out_of_range& e)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500118 {
119 uint8_t completion_code = PLDM_ERROR_UNSUPPORTED_PLDM_CMD;
120 response.resize(sizeof(pldm_msg_hdr));
121 auto responseHdr = reinterpret_cast<pldm_msg_hdr*>(response.data());
122 pldm_header_info header{};
123 header.msg_type = PLDM_RESPONSE;
124 header.instance = hdrFields.instance;
125 header.pldm_type = hdrFields.pldm_type;
126 header.command = hdrFields.command;
George Liub7095ff2021-06-14 16:01:57 +0800127 if (PLDM_SUCCESS != pack_pldm_header(&header, responseHdr))
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500128 {
Riya Dixit49cfb132023-03-02 04:26:53 -0600129 error("Failed adding response header");
Tom Joseph74f27c72021-05-16 07:58:53 -0700130 return std::nullopt;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500131 }
132 response.insert(response.end(), completion_code);
133 }
Tom Joseph74f27c72021-05-16 07:58:53 -0700134 return response;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500135 }
Tom Joseph74f27c72021-05-16 07:58:53 -0700136 else if (PLDM_RESPONSE == hdrFields.msg_type)
Deepak Kodihalli4de4d002019-11-11 02:41:43 -0600137 {
Tom Joseph74f27c72021-05-16 07:58:53 -0700138 auto response = reinterpret_cast<const pldm_msg*>(hdr);
139 size_t responseLen = requestMsg.size() - sizeof(struct pldm_msg_hdr) -
140 sizeof(eid) - sizeof(type);
141 handler.handleResponse(eid, hdrFields.instance, hdrFields.pldm_type,
142 hdrFields.command, response, responseLen);
Deepak Kodihalli4de4d002019-11-11 02:41:43 -0600143 }
Tom Joseph74f27c72021-05-16 07:58:53 -0700144 return std::nullopt;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500145}
146
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530147void optionUsage(void)
148{
Riya Dixit49cfb132023-03-02 04:26:53 -0600149 error("Usage: pldmd [options]");
150 error("Options:");
151 error(" [--verbose] - would enable verbosity");
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530152}
153
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500154int main(int argc, char** argv)
155{
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530156 bool verbose = false;
Manojkiran Edaf25145f2022-09-10 01:43:39 -0500157 static struct option long_options[] = {{"verbose", no_argument, 0, 'v'},
158 {0, 0, 0, 0}};
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530159
Manojkiran Edaf25145f2022-09-10 01:43:39 -0500160 auto argflag = getopt_long(argc, argv, "v", long_options, nullptr);
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530161 switch (argflag)
162 {
163 case 'v':
Manojkiran Edaf25145f2022-09-10 01:43:39 -0500164 verbose = true;
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530165 break;
Brad Bishopc80f3ef2021-10-07 16:34:13 -0400166 case -1:
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530167 break;
Brad Bishopc80f3ef2021-10-07 16:34:13 -0400168 default:
Manojkiran Edaf25145f2022-09-10 01:43:39 -0500169 optionUsage();
Brad Bishopc80f3ef2021-10-07 16:34:13 -0400170 exit(EXIT_FAILURE);
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530171 }
172
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500173 /* Create local socket. */
174 int returnCode = 0;
175 int sockfd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
176 if (-1 == sockfd)
177 {
178 returnCode = -errno;
Riya Dixit49cfb132023-03-02 04:26:53 -0600179 error("Failed to create the socket, RC= {RC}", "RC", returnCode);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500180 exit(EXIT_FAILURE);
181 }
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530182 socklen_t optlen;
183 int currentSendbuffSize;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500184
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530185 // Get Current send buffer size
186 optlen = sizeof(currentSendbuffSize);
187
188 int res = getsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, &currentSendbuffSize,
189 &optlen);
190 if (res == -1)
191 {
Riya Dixit49cfb132023-03-02 04:26:53 -0600192 error("Error in obtaining the default send buffer size, Error : {ERR}",
193 "ERR", strerror(errno));
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530194 }
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500195 auto event = Event::get_default();
Tom Joseph02b4ee42021-05-02 22:44:36 -0700196 auto& bus = pldm::utils::DBusHandler::getBus();
Patrick Williams84b790c2022-07-22 19:26:56 -0500197 sdbusplus::server::manager_t objManager(bus,
198 "/xyz/openbmc_project/software");
Tom Joseph02b4ee42021-05-02 22:44:36 -0700199 dbus_api::Requester dbusImplReq(bus, "/xyz/openbmc_project/pldm");
Pavithra Barithaya319ebb32021-05-06 06:09:11 -0500200
Tom Joseph02b4ee42021-05-02 22:44:36 -0700201 Invoker invoker{};
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530202 requester::Handler<requester::Request> reqHandler(
203 sockfd, event, dbusImplReq, currentSendbuffSize, verbose);
204
Tom Joseph02b4ee42021-05-02 22:44:36 -0700205#ifdef LIBPLDMRESPONDER
206 using namespace pldm::state_sensor;
Tom Joseph20aa3e02021-08-17 04:44:19 -0700207 dbus_api::Host dbusImplHost(bus, "/xyz/openbmc_project/pldm");
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500208 std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> pdrRepo(
209 pldm_pdr_init(), pldm_pdr_destroy);
210 std::unique_ptr<pldm_entity_association_tree,
211 decltype(&pldm_entity_association_tree_destroy)>
212 entityTree(pldm_entity_association_tree_init(),
213 pldm_entity_association_tree_destroy);
Sampa Misrac073a202021-05-08 10:56:05 -0500214 std::unique_ptr<pldm_entity_association_tree,
215 decltype(&pldm_entity_association_tree_destroy)>
216 bmcEntityTree(pldm_entity_association_tree_init(),
217 pldm_entity_association_tree_destroy);
Pavithra Barithaya319ebb32021-05-06 06:09:11 -0500218 std::shared_ptr<HostPDRHandler> hostPDRHandler;
Sampa Misrac0c60542020-07-01 02:34:25 -0500219 std::unique_ptr<pldm::host_effecters::HostEffecterParser>
220 hostEffecterParser;
George Liucae18662020-05-15 09:32:57 +0800221 std::unique_ptr<DbusToPLDMEvent> dbusToPLDMEventHandler;
Brad Bishopfc0d14d2021-10-12 19:34:20 -0400222 DBusHandler dbusHandler;
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500223 auto hostEID = pldm::utils::readHostEID();
224 if (hostEID)
225 {
Pavithra Barithaya319ebb32021-05-06 06:09:11 -0500226 hostPDRHandler = std::make_shared<HostPDRHandler>(
Pavithra Barithaya3aec9972020-12-14 01:55:44 -0600227 sockfd, hostEID, event, pdrRepo.get(), EVENTS_JSONS_DIR,
Tom Josephe5268cd2021-09-07 13:04:03 +0530228 entityTree.get(), bmcEntityTree.get(), dbusImplReq, &reqHandler);
Pavithra Barithaya319ebb32021-05-06 06:09:11 -0500229 // HostFirmware interface needs access to hostPDR to know if host
230 // is running
231 dbusImplHost.setHostPdrObj(hostPDRHandler);
232
Sampa Misrac0c60542020-07-01 02:34:25 -0500233 hostEffecterParser =
234 std::make_unique<pldm::host_effecters::HostEffecterParser>(
Brad Bishopfc0d14d2021-10-12 19:34:20 -0400235 &dbusImplReq, sockfd, pdrRepo.get(), &dbusHandler,
Tom Josephe5268cd2021-09-07 13:04:03 +0530236 HOST_JSONS_DIR, &reqHandler);
Sampa Misrac0c79482021-06-02 08:01:54 -0500237 dbusToPLDMEventHandler = std::make_unique<DbusToPLDMEvent>(
238 sockfd, hostEID, dbusImplReq, &reqHandler);
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500239 }
Sampa Misraaea5dde2020-08-31 08:33:47 -0500240 std::unique_ptr<oem_platform::Handler> oemPlatformHandler{};
241
242#ifdef OEM_IBM
243 std::unique_ptr<pldm::responder::CodeUpdate> codeUpdate =
Brad Bishopfc0d14d2021-10-12 19:34:20 -0400244 std::make_unique<pldm::responder::CodeUpdate>(&dbusHandler);
Varsha Kaverappa3ca29df2020-09-27 12:39:22 -0500245 codeUpdate->clearDirPath(LID_STAGING_DIR);
Sampa Misraaea5dde2020-08-31 08:33:47 -0500246 oemPlatformHandler = std::make_unique<oem_ibm_platform::Handler>(
Brad Bishopfc0d14d2021-10-12 19:34:20 -0400247 &dbusHandler, codeUpdate.get(), sockfd, hostEID, dbusImplReq, event,
248 &reqHandler);
Sampa Misraaea5dde2020-08-31 08:33:47 -0500249 codeUpdate->setOemPlatformHandler(oemPlatformHandler.get());
Sampa Misrac0c79482021-06-02 08:01:54 -0500250 invoker.registerHandler(PLDM_OEM, std::make_unique<oem_ibm::Handler>(
251 oemPlatformHandler.get(), sockfd,
252 hostEID, &dbusImplReq, &reqHandler));
Sampa Misraaea5dde2020-08-31 08:33:47 -0500253#endif
Sagar Srinivasa6a8ccd2021-04-01 07:58:33 -0500254 invoker.registerHandler(
Sampa Misrac0c79482021-06-02 08:01:54 -0500255 PLDM_BIOS, std::make_unique<bios::Handler>(sockfd, hostEID,
256 &dbusImplReq, &reqHandler));
Tom Joseph33e9c7e2020-06-11 22:09:52 +0530257 auto fruHandler = std::make_unique<fru::Handler>(
Manojkiran Eda03b01ca2021-06-29 08:55:09 +0530258 FRU_JSONS_DIR, FRU_MASTER_JSON, pdrRepo.get(), entityTree.get(),
259 bmcEntityTree.get());
Tom Joseph33e9c7e2020-06-11 22:09:52 +0530260 // FRU table is built lazily when a FRU command or Get PDR command is
261 // handled. To enable building FRU table, the FRU handler is passed to the
262 // Platform handler.
Sampa Misraaea5dde2020-08-31 08:33:47 -0500263 auto platformHandler = std::make_unique<platform::Handler>(
Brad Bishopfc0d14d2021-10-12 19:34:20 -0400264 &dbusHandler, PDR_JSONS_DIR, pdrRepo.get(), hostPDRHandler.get(),
Sampa Misraaea5dde2020-08-31 08:33:47 -0500265 dbusToPLDMEventHandler.get(), fruHandler.get(),
Sampa Misra5fb37d52021-03-06 07:26:00 -0600266 oemPlatformHandler.get(), event, true);
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500267#ifdef OEM_IBM
Sampa Misraaea5dde2020-08-31 08:33:47 -0500268 pldm::responder::oem_ibm_platform::Handler* oemIbmPlatformHandler =
269 dynamic_cast<pldm::responder::oem_ibm_platform::Handler*>(
270 oemPlatformHandler.get());
271 oemIbmPlatformHandler->setPlatformHandler(platformHandler.get());
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500272#endif
273
Sampa Misraaea5dde2020-08-31 08:33:47 -0500274 invoker.registerHandler(PLDM_PLATFORM, std::move(platformHandler));
Sagar Srinivas79669c92021-04-28 15:43:30 -0500275 invoker.registerHandler(
276 PLDM_BASE,
277 std::make_unique<base::Handler>(hostEID, dbusImplReq, event,
278 oemPlatformHandler.get(), &reqHandler));
Sampa Misraaea5dde2020-08-31 08:33:47 -0500279 invoker.registerHandler(PLDM_FRU, std::move(fruHandler));
Tom Joseph02b4ee42021-05-02 22:44:36 -0700280 dbus_api::Pdr dbusImplPdr(bus, "/xyz/openbmc_project/pldm", pdrRepo.get());
281 sdbusplus::xyz::openbmc_project::PLDM::server::Event dbusImplEvent(
282 bus, "/xyz/openbmc_project/pldm");
Tom Joseph20aa3e02021-08-17 04:44:19 -0700283
Tom Joseph02b4ee42021-05-02 22:44:36 -0700284#endif
Sampa Misraaea5dde2020-08-31 08:33:47 -0500285
George Liu83409572019-12-24 18:42:54 +0800286 pldm::utils::CustomFD socketFd(sockfd);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500287
288 struct sockaddr_un addr
George Liu6492f522020-06-16 10:34:05 +0800289 {};
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500290 addr.sun_family = AF_UNIX;
291 const char path[] = "\0mctp-mux";
292 memcpy(addr.sun_path, path, sizeof(path) - 1);
293 int result = connect(socketFd(), reinterpret_cast<struct sockaddr*>(&addr),
294 sizeof(path) + sizeof(addr.sun_family) - 1);
295 if (-1 == result)
296 {
297 returnCode = -errno;
Riya Dixit49cfb132023-03-02 04:26:53 -0600298 error("Failed to connect to the socket, RC= {RC}", "RC", returnCode);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500299 exit(EXIT_FAILURE);
300 }
301
302 result = write(socketFd(), &MCTP_MSG_TYPE_PLDM, sizeof(MCTP_MSG_TYPE_PLDM));
303 if (-1 == result)
304 {
305 returnCode = -errno;
Riya Dixit49cfb132023-03-02 04:26:53 -0600306 error("Failed to send message type as pldm to mctp, RC= {RC}", "RC",
307 returnCode);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500308 exit(EXIT_FAILURE);
309 }
310
Tom Josephfb3bc062021-08-17 07:48:11 -0700311 std::unique_ptr<fw_update::Manager> fwManager =
312 std::make_unique<fw_update::Manager>(event, reqHandler, dbusImplReq);
313 std::unique_ptr<MctpDiscovery> mctpDiscoveryHandler =
314 std::make_unique<MctpDiscovery>(bus, fwManager.get());
315
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530316 auto callback = [verbose, &invoker, &reqHandler, currentSendbuffSize,
317 &fwManager](IO& io, int fd, uint32_t revents) mutable {
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600318 if (!(revents & EPOLLIN))
319 {
320 return;
321 }
322
323 // Outgoing message.
324 struct iovec iov[2]{};
325
326 // This structure contains the parameter information for the response
327 // message.
328 struct msghdr msg
George Liu6492f522020-06-16 10:34:05 +0800329 {};
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600330
331 int returnCode = 0;
332 ssize_t peekedLength = recv(fd, nullptr, 0, MSG_PEEK | MSG_TRUNC);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500333 if (0 == peekedLength)
334 {
Deepak Kodihalli23c52042020-09-01 03:04:32 -0500335 // MCTP daemon has closed the socket this daemon is connected to.
336 // This may or may not be an error scenario, in either case the
337 // recovery mechanism for this daemon is to restart, and hence exit
338 // the event loop, that will cause this daemon to exit with a
339 // failure code.
340 io.get_event().exit(0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500341 }
342 else if (peekedLength <= -1)
343 {
344 returnCode = -errno;
Riya Dixit49cfb132023-03-02 04:26:53 -0600345 error("recv system call failed, RC= {RC}", "RC", returnCode);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500346 }
347 else
348 {
349 std::vector<uint8_t> requestMsg(peekedLength);
350 auto recvDataLength = recv(
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600351 fd, static_cast<void*>(requestMsg.data()), peekedLength, 0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500352 if (recvDataLength == peekedLength)
353 {
Manojkiran Edaef773052021-07-29 09:29:28 +0530354 FlightRecorder::GetInstance().saveRecord(requestMsg, false);
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530355 if (verbose)
356 {
Tom Josephe5268cd2021-09-07 13:04:03 +0530357 printBuffer(Rx, requestMsg);
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530358 }
Tom Josephe5268cd2021-09-07 13:04:03 +0530359
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500360 if (MCTP_MSG_TYPE_PLDM != requestMsg[1])
361 {
362 // Skip this message and continue.
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500363 }
364 else
365 {
366 // process message and send response
Tom Josephfb3bc062021-08-17 07:48:11 -0700367 auto response = processRxMsg(requestMsg, invoker,
368 reqHandler, fwManager.get());
Tom Joseph74f27c72021-05-16 07:58:53 -0700369 if (response.has_value())
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500370 {
Manojkiran Edaef773052021-07-29 09:29:28 +0530371 FlightRecorder::GetInstance().saveRecord(*response,
372 true);
Deepak Kodihalli8ffbbe02019-08-14 06:51:38 -0500373 if (verbose)
374 {
Tom Josephe5268cd2021-09-07 13:04:03 +0530375 printBuffer(Tx, *response);
Deepak Kodihalli8ffbbe02019-08-14 06:51:38 -0500376 }
377
Zahed Hossain09a96e02019-08-06 07:42:37 -0500378 iov[0].iov_base = &requestMsg[0];
379 iov[0].iov_len =
380 sizeof(requestMsg[0]) + sizeof(requestMsg[1]);
Tom Joseph74f27c72021-05-16 07:58:53 -0700381 iov[1].iov_base = (*response).data();
382 iov[1].iov_len = (*response).size();
Zahed Hossain09a96e02019-08-06 07:42:37 -0500383
384 msg.msg_iov = iov;
385 msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]);
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530386 if (currentSendbuffSize >= 0 &&
387 (size_t)currentSendbuffSize < (*response).size())
388 {
389 int oldBuffSize = currentSendbuffSize;
390 currentSendbuffSize = (*response).size();
391 int res = setsockopt(fd, SOL_SOCKET, SO_SNDBUF,
392 &currentSendbuffSize,
393 sizeof(currentSendbuffSize));
394 if (res == -1)
395 {
Riya Dixit49cfb132023-03-02 04:26:53 -0600396 error(
397 "Responder : Failed to set the new send buffer size [bytes] : {CURR_SND_BUF_SIZE}",
398 "CURR_SND_BUF_SIZE", currentSendbuffSize);
399 error(
400 "from current size [bytes] : {OLD_BUF_SIZE}, Error : {ERR}",
401 "OLD_BUF_SIZE", oldBuffSize, "ERR",
402 strerror(errno));
Manojkiran Eda9fffea22021-10-27 16:03:27 +0530403 return;
404 }
405 }
Zahed Hossain09a96e02019-08-06 07:42:37 -0500406
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600407 int result = sendmsg(fd, &msg, 0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500408 if (-1 == result)
409 {
410 returnCode = -errno;
Riya Dixit49cfb132023-03-02 04:26:53 -0600411 error("sendto system call failed, RC= {RC}", "RC",
412 returnCode);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500413 }
414 }
415 }
416 }
417 else
418 {
Riya Dixit49cfb132023-03-02 04:26:53 -0600419 error(
420 "Failure to read peeked length packet. peekedLength = {PEEK_LEN}, recvDataLength= {RECV_LEN}",
421 "PEEK_LEN", peekedLength, "RECV_LEN", recvDataLength);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500422 }
423 }
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600424 };
425
Deepak Kodihalli4de4d002019-11-11 02:41:43 -0600426 bus.attach_event(event.get(), SD_EVENT_PRIORITY_NORMAL);
427 bus.request_name("xyz.openbmc_project.PLDM");
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600428 IO io(event, socketFd(), EPOLLIN, std::move(callback));
Manojkiran Eda88bc7182021-09-08 18:37:30 +0530429#ifdef LIBPLDMRESPONDER
430 if (hostPDRHandler)
431 {
432 hostPDRHandler->setHostFirmwareCondition();
433 }
434#endif
Manojkiran Edaef773052021-07-29 09:29:28 +0530435 stdplus::signal::block(SIGUSR1);
436 sdeventplus::source::Signal sigUsr1(
437 event, SIGUSR1, std::bind_front(&interruptFlightRecorderCallBack));
Brad Bishop3a22b972021-10-07 17:01:58 -0400438 returnCode = event.loop();
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500439
Brad Bishop3a22b972021-10-07 17:01:58 -0400440 if (shutdown(sockfd, SHUT_RDWR))
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500441 {
Riya Dixit49cfb132023-03-02 04:26:53 -0600442 error("Failed to shutdown the socket");
Brad Bishop3a22b972021-10-07 17:01:58 -0400443 }
444 if (returnCode)
445 {
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500446 exit(EXIT_FAILURE);
447 }
Brad Bishop3a22b972021-10-07 17:01:58 -0400448
449 exit(EXIT_SUCCESS);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500450}