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-rw-r--r--meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0010-Remove-Terminated-Event-Subscriptions.patch267
1 files changed, 267 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0010-Remove-Terminated-Event-Subscriptions.patch b/meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0010-Remove-Terminated-Event-Subscriptions.patch
new file mode 100644
index 000000000..ede279868
--- /dev/null
+++ b/meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0010-Remove-Terminated-Event-Subscriptions.patch
@@ -0,0 +1,267 @@
+From fc4b7e964f5f26e7af2eb19f120b1762b70b8179 Mon Sep 17 00:00:00 2001
+From: P Dheeraj Srujan Kumar <p.dheeraj.srujan.kumar@intel.com>
+Date: Tue, 12 Oct 2021 08:19:51 +0000
+Subject: [PATCH] Delete/Remove Terminated Event Subscription(s)
+
+Added functionality to delete/remove event subscription(s) which are
+configured to Terminate after retries.
+
+Currently, when an Event is subscribed with Retry Policy as
+"TerminateAfterRetries", the state of the connection is set to
+"Terminated" after retrying, but the Subscription is not removed.
+This commit adds the functionality to detect terminated connection and
+remove the respective subscription.
+
+Tested:
+ - Created a Subscription with
+ DeliveryRetryPolicy: "TerminateAfterRetries"
+ - Received Events successfully on Event listener
+ - Once the Event listener was stopped, the Subscription was
+ removed/deleted after retries.
+
+Change-Id: If447acb2db74fb29a5d1cfe6194b77cda82bc8a1
+Signed-off-by: P Dheeraj Srujan Kumar <p.dheeraj.srujan.kumar@intel.com>
+---
+ http/http_client.hpp | 48 +++++++++++++++----
+ .../include/event_service_manager.hpp | 36 ++++++++++++++
+ 2 files changed, 75 insertions(+), 9 deletions(-)
+
+diff --git a/http/http_client.hpp b/http/http_client.hpp
+index 7328eae..db99faa 100644
+--- a/http/http_client.hpp
++++ b/http/http_client.hpp
+@@ -56,6 +56,8 @@ enum class ConnState
+ closeInProgress,
+ closed,
+ suspended,
++ terminate,
++ terminateInProgress,
+ terminated,
+ abortConnection,
+ retry
+@@ -290,7 +292,14 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ }
+ void doClose()
+ {
+- state = ConnState::closeInProgress;
++ if (state == ConnState::terminate)
++ {
++ state = ConnState::terminateInProgress;
++ }
++ else if (state != ConnState::suspended)
++ {
++ state = ConnState::closeInProgress;
++ }
+
+ // Set the timeout on the tcp stream socket for the async operation
+ conn.expires_after(std::chrono::seconds(30));
+@@ -320,8 +329,11 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ }
+ self->conn.close();
+
+- if ((self->state != ConnState::suspended) &&
+- (self->state != ConnState::terminated))
++ if (self->state == ConnState::terminateInProgress)
++ {
++ self->state = ConnState::terminated;
++ }
++ else if (self->state == ConnState::closeInProgress)
+ {
+ self->state = ConnState::closed;
+ self->handleConnState();
+@@ -343,8 +355,11 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ }
+ conn.close();
+
+- if ((state != ConnState::suspended) &&
+- (state != ConnState::terminated))
++ if (state == ConnState::terminateInProgress)
++ {
++ state = ConnState::terminated;
++ }
++ else if (state == ConnState::closeInProgress)
+ {
+ state = ConnState::closed;
+ handleConnState();
+@@ -367,8 +382,7 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ BMCWEB_LOG_DEBUG << "Retry policy: " << retryPolicyAction;
+ if (retryPolicyAction == "TerminateAfterRetries")
+ {
+- // TODO: delete subscription
+- state = ConnState::terminated;
++ state = ConnState::terminate;
+ }
+ if (retryPolicyAction == "SuspendRetries")
+ {
+@@ -424,6 +438,7 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ case ConnState::sendInProgress:
+ case ConnState::recvInProgress:
+ case ConnState::closeInProgress:
++ case ConnState::terminateInProgress:
+ {
+ BMCWEB_LOG_DEBUG << "Async operation is already in progress";
+ break;
+@@ -440,11 +455,16 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ break;
+ }
+ case ConnState::suspended:
+- case ConnState::terminated:
++ case ConnState::terminate:
+ {
+ doClose();
+ break;
+ }
++ case ConnState::terminated:
++ {
++ BMCWEB_LOG_DEBUG << "Connection Terminated";
++ break;
++ }
+ case ConnState::resolveFailed:
+ case ConnState::connectFailed:
+ case ConnState::handshakeFailed:
+@@ -504,7 +524,8 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+
+ void sendData(const std::string& data)
+ {
+- if ((state == ConnState::suspended) || (state == ConnState::terminated))
++ if ((state == ConnState::terminate) ||
++ (state == ConnState::terminated) || (state == ConnState::suspended))
+ {
+ return;
+ }
+@@ -520,6 +541,15 @@ class HttpClient : public std::enable_shared_from_this<HttpClient>
+ }
+ }
+
++ bool isTerminated()
++ {
++ if (state == ConnState::terminated)
++ {
++ return true;
++ }
++ return false;
++ }
++
+ void setHeaders(const boost::beast::http::fields& httpHeaders)
+ {
+ // Set custom headers
+diff --git a/redfish-core/include/event_service_manager.hpp b/redfish-core/include/event_service_manager.hpp
+index 5483a74..92abaa5 100644
+--- a/redfish-core/include/event_service_manager.hpp
++++ b/redfish-core/include/event_service_manager.hpp
+@@ -590,6 +590,14 @@ class Subscription : public persistent_data::UserSubscription
+ return std::nullopt;
+ }
+
++ bool isTerminated()
++ {
++ if (conn != nullptr)
++ return conn->isTerminated();
++
++ return false;
++ }
++
+ private:
+ std::shared_ptr<crow::SseConnection> sseConn = nullptr;
+ uint64_t eventSeqNum;
+@@ -845,6 +853,22 @@ class EventServiceManager
+ }
+ }
+
++ void deleteTerminatedSubcriptions()
++ {
++ boost::container::flat_map<std::string,
++ std::shared_ptr<Subscription>>::iterator it =
++ subscriptionsMap.begin();
++ while (it != subscriptionsMap.end())
++ {
++ std::shared_ptr<Subscription> entry = it->second;
++ if (entry->isTerminated())
++ {
++ subscriptionsMap.erase(it);
++ }
++ it++;
++ }
++ }
++
+ void updateNoOfSubscribersCount()
+ {
+ size_t eventLogSubCount = 0;
+@@ -879,6 +903,7 @@ class EventServiceManager
+
+ std::shared_ptr<Subscription> getSubscription(const std::string& id)
+ {
++ deleteTerminatedSubcriptions();
+ auto obj = subscriptionsMap.find(id);
+ if (obj == subscriptionsMap.end())
+ {
+@@ -970,6 +995,7 @@ class EventServiceManager
+
+ bool isSubscriptionExist(const std::string& id)
+ {
++ deleteTerminatedSubcriptions();
+ auto obj = subscriptionsMap.find(id);
+ if (obj == subscriptionsMap.end())
+ {
+@@ -1032,6 +1058,7 @@ class EventServiceManager
+
+ size_t getNumberOfSubscriptions()
+ {
++ deleteTerminatedSubcriptions();
+ return subscriptionsMap.size();
+ }
+
+@@ -1048,6 +1075,7 @@ class EventServiceManager
+
+ std::vector<std::string> getAllIDs()
+ {
++ deleteTerminatedSubcriptions();
+ std::vector<std::string> idList;
+ for (const auto& it : subscriptionsMap)
+ {
+@@ -1058,6 +1086,7 @@ class EventServiceManager
+
+ bool isDestinationExist(const std::string& destUrl)
+ {
++ deleteTerminatedSubcriptions();
+ for (const auto& it : subscriptionsMap)
+ {
+ std::shared_ptr<Subscription> entry = it.second;
+@@ -1072,6 +1101,7 @@ class EventServiceManager
+
+ bool sendTestEventLog()
+ {
++ deleteTerminatedSubcriptions();
+ for (const auto& it : this->subscriptionsMap)
+ {
+ std::shared_ptr<Subscription> entry = it.second;
+@@ -1108,6 +1138,8 @@ class EventServiceManager
+ }
+ eventRecord.push_back(eventMessage);
+
++ deleteTerminatedSubcriptions();
++
+ for (const auto& it : this->subscriptionsMap)
+ {
+ std::shared_ptr<Subscription> entry = it.second;
+@@ -1151,6 +1183,8 @@ class EventServiceManager
+ }
+ void sendBroadcastMsg(const std::string& broadcastMsg)
+ {
++ deleteTerminatedSubcriptions();
++
+ for (const auto& it : this->subscriptionsMap)
+ {
+ std::shared_ptr<Subscription> entry = it.second;
+@@ -1263,6 +1297,8 @@ class EventServiceManager
+ return;
+ }
+
++ deleteTerminatedSubcriptions();
++
+ for (const auto& it : this->subscriptionsMap)
+ {
+ std::shared_ptr<Subscription> entry = it.second;
+--
+2.17.1
+