From ffbb9c7adc6360744bee186e1f69d47dc743f73e Mon Sep 17 00:00:00 2001
From: Parth Chandra <parthc@apache.org>
Date: Fri, 8 May 2015 17:53:39 -0700
Subject: DRILL-2998: Implement heartbeat in C++ client

---
 contrib/native/client/src/include/drill/common.hpp      | 3 ++-
 contrib/native/client/src/include/drill/drillClient.hpp | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

(limited to 'contrib/native/client/src/include')

diff --git a/contrib/native/client/src/include/drill/common.hpp b/contrib/native/client/src/include/drill/common.hpp
index 2fa09545c..da411499d 100644
--- a/contrib/native/client/src/include/drill/common.hpp
+++ b/contrib/native/client/src/include/drill/common.hpp
@@ -109,7 +109,8 @@ typedef enum{
     CONN_HANDSHAKE_TIMEOUT=5,
     CONN_HOSTNAME_RESOLUTION_ERROR=6,
     CONN_AUTH_FAILED=7,
-    CONN_BAD_RPC_VER=8
+    CONN_BAD_RPC_VER=8,
+    CONN_DEAD=9
 } connectionStatus_t;
 
 typedef enum{
diff --git a/contrib/native/client/src/include/drill/drillClient.hpp b/contrib/native/client/src/include/drill/drillClient.hpp
index d7bf33c07..4568ca1fc 100644
--- a/contrib/native/client/src/include/drill/drillClient.hpp
+++ b/contrib/native/client/src/include/drill/drillClient.hpp
@@ -101,9 +101,11 @@ class DECLSPEC_DRILL_CLIENT DrillClientConfig{
         static void setSocketTimeout(int32_t l);
         static void setHandshakeTimeout(int32_t l);
         static void setQueryTimeout(int32_t l);
+        static void setHeartbeatFrequency(int32_t l);
         static int32_t getSocketTimeout();
         static int32_t getHandshakeTimeout();
         static int32_t getQueryTimeout();
+        static int32_t getHeartbeatFrequency();
         static logLevel_t getLogLevel();
     private:
         // The logging level
@@ -127,10 +129,14 @@ class DECLSPEC_DRILL_CLIENT DrillClientConfig{
          *
          * s_queryTimeout: (default 180)
          *      place a timeout on waiting result of querying.
+         *
+         * s_heartbeatFrequency: (default 30)
+         *      Seconds of idle activity after which a heartbeat is sent to the drillbit
          */
         static int32_t s_socketTimeout;
         static int32_t s_handshakeTimeout;
         static int32_t s_queryTimeout;
+        static int32_t s_heartbeatFrequency;
         static boost::mutex s_mutex;
 };
 
@@ -215,6 +221,7 @@ class DECLSPEC_DRILL_CLIENT RecordIterator{
 
     void registerSchemaChangeListener(pfnSchemaListener l);
 
+    bool hasError();
     /*
      * Returns the last error message
      */
-- 
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