From ce2b29af43b4624e053377ef00c5a7e2b80c08b7 Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@250bpm.com>
Date: Thu, 19 Apr 2012 20:17:47 +0200
Subject: Clock instance removed from surveyor_t

SURVEYOR socket now uses clock instance from socket_base_t
for measuring survey timeout. This allows for better performance
in tight xs_recv() loops.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
---
 src/socket_base.cpp | 4 ++++
 src/socket_base.hpp | 3 +++
 src/surveyor.cpp    | 4 ++--
 src/surveyor.hpp    | 4 ----
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/socket_base.cpp b/src/socket_base.cpp
index 39881d5..3e57c28 100644
--- a/src/socket_base.cpp
+++ b/src/socket_base.cpp
@@ -933,3 +933,7 @@ int xs::socket_base_t::sndtimeo ()
     return options.sndtimeo;
 }
 
+uint64_t xs::socket_base_t::now_ms ()
+{
+    return clock.now_ms ();
+}
diff --git a/src/socket_base.hpp b/src/socket_base.hpp
index 0f7dca8..54a5f0a 100644
--- a/src/socket_base.hpp
+++ b/src/socket_base.hpp
@@ -133,6 +133,9 @@ namespace xs
         //  Delay actual destruction of the socket.
         void process_destroy ();
 
+        //  Measure time in efficient manner.
+        uint64_t now_ms ();
+
     private:
 
         //  Initialise the object. This function is separate from constructor
diff --git a/src/surveyor.cpp b/src/surveyor.cpp
index b76128b..2208146 100644
--- a/src/surveyor.cpp
+++ b/src/surveyor.cpp
@@ -75,7 +75,7 @@ int xs::surveyor_t::xsend (msg_t *msg_, int flags_)
     if (!options.survey_timeout)
         timeout = -1;
     else
-        timeout = clock.now_ms () + options.survey_timeout;
+        timeout = now_ms () + options.survey_timeout;
 
     return 0;
 }
@@ -132,7 +132,7 @@ bool xs::surveyor_t::xhas_out ()
 
 int xs::surveyor_t::rcvtimeo ()
 {
-    int t = timeout - clock.now_ms ();
+    int t = timeout - now_ms ();
     if (t < 0)
         return options.rcvtimeo;
     if (options.rcvtimeo < 0)
diff --git a/src/surveyor.hpp b/src/surveyor.hpp
index a77af49..e79dab0 100644
--- a/src/surveyor.hpp
+++ b/src/surveyor.hpp
@@ -23,7 +23,6 @@
 
 #include "xsurveyor.hpp"
 #include "stdint.hpp"
-#include "clock.hpp"
 
 namespace xs
 {
@@ -58,9 +57,6 @@ namespace xs
         //  The time instant when the current survey expires.
         uint64_t timeout;
 
-        //  Provides a way to measure time quickly.
-        clock_t clock;
-
         surveyor_t (const surveyor_t&);
         const surveyor_t &operator = (const surveyor_t&);
     };
-- 
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