From 6074dc3a50bdd2d45af42e8dddf24ce0f35ca335 Mon Sep 17 00:00:00 2001
From: "U-DESKTOP-T772REH\\wangyu" <wangyu.cn@gmail.com>
Date: Sun, 7 Apr 2019 18:21:30 +0800
Subject: [PATCH] get_current_time_us() never goes back now

---
 common.cpp | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/common.cpp b/common.cpp
index 6102a72..b73b866 100644
--- a/common.cpp
+++ b/common.cpp
@@ -478,12 +478,31 @@ int get_sock_errno()
 #endif
 
 
+u64_t get_current_time_us()
+{
+        static u64_t value_fix=0;
+        static u64_t largest_value=0;
+
+        u64_t raw_value=(u64_t)(ev_time()*1000*1000);
+
+        u64_t fixed_value=raw_value+value_fix;
+
+        if(fixed_value< largest_value)
+        {
+                value_fix+= largest_value- fixed_value;
+        }
+        else
+        {
+                largest_value=fixed_value;
+        }
+
+	//printf("<%lld,%lld,%lld>\n",raw_value,value_fix,raw_value + value_fix);
+        return raw_value + value_fix; //new fixed value
+}
+
 u64_t get_current_time()
 {
-	//timespec tmp_time;
-	//clock_gettime(CLOCK_MONOTONIC, &tmp_time);
-	//return ((u64_t)tmp_time.tv_sec)*1000llu+((u64_t)tmp_time.tv_nsec)/(1000*1000llu);
-	return (u64_t)(ev_time()*1000);
+	return get_current_time_us()/1000;
 }
 
 u64_t pack_u64(u32_t a,u32_t b)