(ixbots) add options to limit how many messages per minute should be processed

docs/CHANGELOG.md

@@ -1,6 +1,10 @@
 # Changelog
 All changes to this project will be documented in this file.
 
+## [9.6.0] - 2020-05-12
+
+(ixbots) add options to limit how many messages per minute should be processed
+
 ## [9.5.9] - 2020-05-12
 
 (ixbots) add new class to configure a bot to simplify passing options around

ixbots/ixbots/IXCobraBot.cpp

@@ -26,6 +26,8 @@ namespace ix
         auto enableHeartbeat = botConfig.enableHeartbeat;
         auto heartBeatTimeout = botConfig.heartBeatTimeout;
         auto runtime = botConfig.runtime;
+        auto maxEventsPerMinute = botConfig.maxEventsPerMinute;
+        auto limitReceivedEvents = botConfig.limitReceivedEvents;
 
         ix::CobraConnection conn;
         conn.configure(config);
@@ -37,9 +39,11 @@ namespace ix
         uint64_t receivedCountTotal(0);
         uint64_t sentCountPerSecs(0);
         uint64_t receivedCountPerSecs(0);
+        std::atomic<int> receivedCountPerMinutes(0);
         std::atomic<bool> stop(false);
         std::atomic<bool> throttled(false);
         std::atomic<bool> fatalCobraError(false);
+        int minuteCounter = 0;
 
         auto timer = [&sentCount,
                       &receivedCount,
@@ -47,6 +51,8 @@ namespace ix
                       &receivedCountTotal,
                       &sentCountPerSecs,
                       &receivedCountPerSecs,
+                      &receivedCountPerMinutes,
+                      &minuteCounter,
                       &stop] {
             while (!stop)
             {
@@ -67,13 +73,19 @@ namespace ix
                 CoreLogger::info(ss.str());
 
                 receivedCountPerSecs = receivedCount - receivedCountTotal;
-                sentCountPerSecs = sentCount - receivedCountTotal;
+                sentCountPerSecs = sentCount - sentCountTotal;
 
                 receivedCountTotal += receivedCountPerSecs;
                 sentCountTotal += sentCountPerSecs;
 
                 auto duration = std::chrono::seconds(1);
                 std::this_thread::sleep_for(duration);
+
+                if (minuteCounter++ == 60)
+                {
+                    receivedCountPerMinutes = 0;
+                    minuteCounter = 0;
+                }
             }
 
             CoreLogger::info("timer thread done");
@@ -120,6 +132,9 @@ namespace ix
                                &subscriptionPosition,
                                &throttled,
                                &receivedCount,
+                               &receivedCountPerMinutes,
+                               maxEventsPerMinute,
+                               limitReceivedEvents,
                                &fatalCobraError,
                                &sentCount](const CobraEventPtr& event) {
             if (event->type == ix::CobraEventType::Open)
@@ -141,16 +156,23 @@ namespace ix
                 CoreLogger::info("Subscribing to " + channel);
                 CoreLogger::info("Subscribing at position " + subscriptionPosition);
                 CoreLogger::info("Subscribing with filter " + filter);
-                conn.subscribe(channel,
+                conn.subscribe(channel, filter, subscriptionPosition,
-                               filter,
+                    [&sentCount, &receivedCountPerMinutes,
-                               subscriptionPosition,
+                     maxEventsPerMinute, limitReceivedEvents,
-                               [this,
+                     &throttled, &receivedCount,
-                                &throttled,
+                     &subscriptionPosition, &fatalCobraError,
-                                &receivedCount,
+                     this](const Json::Value& msg, const std::string& position) {
-                                &subscriptionPosition,
-                                &fatalCobraError,
-                                &sentCount](const Json::Value& msg, const std::string& position) {
                         subscriptionPosition = position;
+                        ++receivedCount;
+
+                        ++receivedCountPerMinutes;
+                        if (limitReceivedEvents)
+                        {
+                            if (receivedCountPerMinutes > maxEventsPerMinute)
+                            {
+                                return;
+                            }
+                        }
 
                         // If we cannot send to sentry fast enough, drop the message
                         if (throttled)
@@ -158,8 +180,6 @@ namespace ix
                             return;
                         }
 
-                                   ++receivedCount;
-
                         _onBotMessageCallback(
                             msg, position, throttled,
                             fatalCobraError, sentCount);

ixbots/ixbots/IXCobraBotConfig.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #include <string>
+#include <limits>
 #include <ixcobra/IXCobraConfig.h>
 
 namespace ix
@@ -20,5 +21,7 @@ namespace ix
         bool enableHeartbeat = true;
         int heartBeatTimeout = 60;
         int runtime = -1;
+        int maxEventsPerMinute = std::numeric_limits<int>::max();
+        bool limitReceivedEvents = false;
     };
 } // namespace ix

ixwebsocket/IXWebSocketVersion.h

@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "9.5.9"
+#define IX_WEBSOCKET_VERSION "9.6.0"

test/IXCobraToSentryBotTest.cpp

@@ -158,9 +158,7 @@ TEST_CASE("Cobra_to_sentry_bot", "[cobra_bots]")
         SentryClient sentryClient(dsn);
         sentryClient.setTLSOptions(tlsOptionsClient);
 
-        int64_t sentCount = cobra_to_sentry_bot(cobraBotConfig,
+        int64_t sentCount = cobra_to_sentry_bot(cobraBotConfig, sentryClient, verbose);
-                                                sentryClient,
-                                                verbose);
         //
         // We want at least 2 messages to be sent
         //

test/IXCobraToStatsdBotTest.cpp

@@ -112,12 +112,8 @@ TEST_CASE("Cobra_to_statsd_bot", "[cobra_bots]")
         std::string timer;
         bool verbose = true;
 
-        int64_t sentCount = ix::cobra_to_statsd_bot(cobraBotConfig,
+        int64_t sentCount =
-                                                    statsdClient,
+            ix::cobra_to_statsd_bot(cobraBotConfig, statsdClient, fields, gauge, timer, verbose);
-                                                    fields,
-                                                    gauge,
-                                                    timer,
-                                                    verbose);
         //
         // We want at least 2 messages to be sent
         //

test/IXCobraToStdoutBotTest.cpp

@@ -95,9 +95,7 @@ TEST_CASE("Cobra_to_stdout_bot", "[cobra_bots]")
         // We could try to capture the output ... not sure how.
         bool fluentd = true;
 
-        int64_t sentCount = ix::cobra_to_stdout_bot(cobraBotConfig,
+        int64_t sentCount = ix::cobra_to_stdout_bot(cobraBotConfig, fluentd, quiet);
-                                                    fluentd,
-                                                    quiet);
         //
         // We want at least 2 messages to be sent
         //

ws/ws.cpp

@@ -177,13 +177,18 @@ int main(int argc, char** argv)
         app->add_option("--appkey", cobraBotConfig.cobraConfig.appkey, "Appkey")->required();
         app->add_option("--endpoint", cobraBotConfig.cobraConfig.endpoint, "Endpoint")->required();
         app->add_option("--rolename", cobraBotConfig.cobraConfig.rolename, "Role name")->required();
-        app->add_option("--rolesecret", cobraBotConfig.cobraConfig.rolesecret, "Role secret")->required();
+        app->add_option("--rolesecret", cobraBotConfig.cobraConfig.rolesecret, "Role secret")
+            ->required();
         app->add_option("--channel", cobraBotConfig.channel, "Channel")->required();
         app->add_option("--filter", cobraBotConfig.filter, "Filter");
         app->add_option("--position", cobraBotConfig.position, "Position");
         app->add_option("--runtime", cobraBotConfig.runtime, "Runtime");
         app->add_option("--heartbeat", cobraBotConfig.enableHeartbeat, "Runtime");
         app->add_option("--heartbeat_timeout", cobraBotConfig.heartBeatTimeout, "Runtime");
+        app->add_flag(
+            "--limit_received_events", cobraBotConfig.limitReceivedEvents, "Max events per minute");
+        app->add_option(
+            "--max_events_per_minute", cobraBotConfig.maxEventsPerMinute, "Max events per minute");
     };
 
     app.add_flag("--version", version, "Print ws version");
@@ -453,7 +458,8 @@ int main(int argc, char** argv)
     cobraConfig.webSocketPerMessageDeflateOptions = ix::WebSocketPerMessageDeflateOptions(true);
     cobraConfig.socketTLSOptions = tlsOptions;
 
-    cobraBotConfig.cobraConfig.webSocketPerMessageDeflateOptions = ix::WebSocketPerMessageDeflateOptions(true);
+    cobraBotConfig.cobraConfig.webSocketPerMessageDeflateOptions =
+        ix::WebSocketPerMessageDeflateOptions(true);
     cobraBotConfig.cobraConfig.socketTLSOptions = tlsOptions;
 
     int ret = 1;
@@ -525,9 +531,7 @@ int main(int argc, char** argv)
     }
     else if (app.got_subcommand("cobra_subscribe"))
     {
-        int64_t sentCount = ix::cobra_to_stdout_bot(cobraBotConfig,
+        int64_t sentCount = ix::cobra_to_stdout_bot(cobraBotConfig, fluentd, quiet);
-                                                    fluentd,
-                                                    quiet);
         ret = (int) sentCount;
     }
     else if (app.got_subcommand("cobra_publish"))
@@ -559,12 +563,8 @@ int main(int argc, char** argv)
             }
             else
             {
-                ret = (int) ix::cobra_to_statsd_bot(cobraBotConfig,
+                ret = (int) ix::cobra_to_statsd_bot(
-                                                    statsdClient,
+                    cobraBotConfig, statsdClient, fields, gauge, timer, verbose);
-                                                    fields,
-                                                    gauge,
-                                                    timer,
-                                                    verbose);
             }
         }
     }
@@ -573,9 +573,7 @@ int main(int argc, char** argv)
         ix::SentryClient sentryClient(dsn);
         sentryClient.setTLSOptions(tlsOptions);
 
-        ret = (int) ix::cobra_to_sentry_bot(cobraBotConfig,
+        ret = (int) ix::cobra_to_sentry_bot(cobraBotConfig, sentryClient, verbose);
-                                            sentryClient,
-                                            verbose);
     }
     else if (app.got_subcommand("cobra_metrics_to_redis"))
     {