QUIC - Record reject reasons for CHLO message.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 6901d048825a09c0be2c135a4b8d57ec8952c673..b6148a481c75f8c5b7979fe60e8c4b2588c0f392 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -14491,6 +14491,13 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Net.QuicClientHelloRejectReasons" enum="QuicRejectReasons">

[Ryan Hamilton, 2014/06/21 03:02:29]

I don't think that the units are correct here, since it's actually storing a
binary OR of reasons. That being said, perhaps this is the best units you could
use?

[ramant (doing other things), 2014/06/23 17:27:35]

Correct. jar suggested we could add the other enums after we get the data
(instead on instantiating every possibility).

+  <owner>rtenneti@chromium.org</owner>
+  <summary>
+    The reject reasons for QUIC's CHLO (client hello) message from server.
+  </summary>
+</histogram>
+
 <histogram name="Net.QuicEphemeralPortsSuggested">
   <owner>rch@chromium.org</owner>
   <summary>The number of ports suggested per server.</summary>
@@ -43207,6 +43214,24 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="11" label="ppsm"/>
 </enum>
 
+<enum name="QuicRejectReasons" type="int">
+  <int value="0" label="HANDSHAKE_OK"/>
+  <int value="32" label="CLIENT_NONCE_UNKNOWN_FAILURE"/>
+  <int value="64" label="CLIENT_NONCE_INVALID_FAILURE"/>
+  <int value="1024" label="SERVER_NONCE_INVALID_FAILURE"/>
+  <int value="2048" label="SERVER_NONCE_DECRYPTION_FAILURE"/>
+  <int value="3072" label="SERVER_NONCE_NOT_UNIQUE_FAILURE"/>
+  <int value="32768" label="SERVER_CONFIG_INCHOATE_HELLO_FAILURE"/>
+  <int value="65536" label="SERVER_CONFIG_UNKNOWN_CONFIG_FAILURE"/>
+  <int value="1048576" label="SOURCE_ADDRESS_TOKEN_INVALID_FAILURE"/>
+  <int value="2097152" label="SOURCE_ADDRESS_TOKEN_DECRYPTION_FAILURE"/>
+  <int value="3145728" label="SOURCE_ADDRESS_TOKEN_PARSE_FAILURE"/>
+  <int value="4194304"
+      label="SOURCE_ADDRESS_TOKEN_DIFFERENT_IP_ADDRESS_FAILURE"/>
+  <int value="5242880" label="SOURCE_ADDRESS_TOKEN_CLOCK_SKEW_FAILURE"/>
+  <int value="6291456" label="SOURCE_ADDRESS_TOKEN_EXPIRED_FAILURE"/>
+</enum>
+
 <enum name="QuicRstStreamErrorCodes" type="int">
   <int value="0" label="NO_ERROR"/>
   <int value="1" label="ERROR_PROCESSING_STREAM"/>