From 1bf5ac4f09c83c9d69e187a6005b2efc63a97089 Mon Sep 17 00:00:00 2001
From: Timo Bingmann <timo.bingmann@student.kit.edu>
Date: Wed, 10 Dec 2008 13:28:51 +0100
Subject: [PATCH] patch for bug433-- data rates

---
 src/common/data-rate.cc | 78 +++++++++++++++++++++++++++++++++--------
 src/common/data-rate.h  | 19 ++++++++++
 2 files changed, 83 insertions(+), 14 deletions(-)

diff --git a/src/common/data-rate.cc b/src/common/data-rate.cc
index 61d6f6550..95e845f05 100644
--- a/src/common/data-rate.cc
+++ b/src/common/data-rate.cc
@@ -36,64 +36,104 @@ DoParse (const std::string s, uint64_t *v)
     std::string trailer = s.substr(n, std::string::npos);
     if (trailer == "bps")
       {
-        // Bit/s
+        // bit/s
         *v = (uint64_t)r;
       }
     else if (trailer == "b/s")
       {
-        // Bit/s
+        // bit/s
         *v = (uint64_t)r;
       }
     else if (trailer == "Bps")
       {
-        // Byte/s
+        // byte/s
         *v = (uint64_t)(r * 8);
       }
     else if (trailer == "B/s") 
       {
-        // Byte/s
+        // byte/s
         *v = (uint64_t)(r * 8);
       }
     else if (trailer == "kbps")
       {
-        // KiloBit/s
+        // kilobits/s
         *v = (uint64_t)(r * 1000);
       }
     else if (trailer == "kb/s")
       {
-        // KiloBit/s
+        // kilobits/s
+        *v = (uint64_t)(r * 1000);
+      }
+    else if (trailer == "Kbps")
+      {
+        // kilobits/s
+        *v = (uint64_t)(r * 1000);
+      }
+    else if (trailer == "Kb/s")
+      {
+        // kilobits/s
         *v = (uint64_t)(r * 1000);
       }
     else if (trailer == "kBps")
       {
-        // KiloBit/s
-        *v = (uint64_t)(r * 1000);
+        // kiloByte/s
+        *v = (uint64_t)(r * 8000);
       }
     else if (trailer == "kB/s")
       {
-        // KiloBit/s
-        *v = (uint64_t)(r * 1000);
+        // KiloByte/s
+        *v = (uint64_t)(r * 8000);
+      }
+    else if (trailer == "KBps")
+      {
+        // kiloByte/s
+        *v = (uint64_t)(r * 8000);
+      }
+    else if (trailer == "KB/s")
+      {
+        // KiloByte/s
+        *v = (uint64_t)(r * 8000);
+      }
+    else if (trailer == "Kib/s")
+      {
+        // kibibit/s
+        *v = (uint64_t)(r * 1024);
+      }
+    else if (trailer == "KiB/s")
+      {
+        // kibibyte/s
+        *v = (uint64_t)(r * 8192);
       }
     else if (trailer == "Mbps")
       {
-        // MegaBit/s
+        // MegaBits/s
         *v = (uint64_t)(r * 1000000);
       }
     else if (trailer == "Mb/s")
       {
-        // MegaBit/s
+        // MegaBits/s
         *v = (uint64_t)(r * 1000000);
       }
     else if (trailer == "MBps")
       {
-        // MegaByte/s
+        // MegaBytes/s
         *v = (uint64_t)(r * 8000000);
       }
     else if (trailer == "MB/s")
       {
-        // MegaByte/s
+        // MegaBytes/s
         *v = (uint64_t)(r * 8000000);
       }
+    else if (trailer == "Mib/s")
+      {
+        // MebiBits/s
+        *v = (uint64_t)(r * 1048576);
+      }
+    else if (trailer == "MiB/s")
+      {
+        // MebiByte/s
+        *v = (uint64_t)(r * 1048576 * 8);
+      }
     else if (trailer == "Gbps")
       {
         // GigaBit/s
@@ -114,6 +154,16 @@ DoParse (const std::string s, uint64_t *v)
         // GigaByte/s
         *v = (uint64_t)(r * 8*1000000000);
       }
+    else if (trailer == "Gib/s")
+      {
+        // GibiBits/s
+        *v = (uint64_t)(r * 1048576 * 1024);
+      }
+    else if (trailer == "GiB/s")
+      {
+        // GibiByte/s
+        *v = (uint64_t)(r * 1048576 * 1024 * 8);
+      }
     else
       {
         return false;
diff --git a/src/common/data-rate.h b/src/common/data-rate.h
index 3c59147df..f71c12a21 100644
--- a/src/common/data-rate.h
+++ b/src/common/data-rate.h
@@ -48,6 +48,25 @@ namespace ns3 {
  * \endcode
  * This class also supports the regular comparison operators <, >, <=, >=, ==,
  * and !=
+ *
+ * Conventions used:
+ * "b" stands for bits, "B" for bytes (8 bits) \n
+ * "k" stands for 1000, "K" also stands for 1000, "Ki" stands for 1024 \n
+ * "M" stand for 1000000, "Mib" stands for 1024 kibibits, or 1048576 bits \n
+ * "G" stand for 10^9, "Gib" stands for 1024 mebibits \n
+ * whitespace is allowed but not required between the numeric value and units
+ *
+ * Supported unit strings:
+ * bps, b/s, Bps, B/s \n
+ * kbps, kb/s, Kbps, Kb/s, kBps, kB/s, KBps, KB/s, Kib/s, KiB/s \n
+ * Mbps, Mb/s, MBps, MB/s, Mib/s, MiB/s \n
+ * Gbps, Gb/s, GBps, GB/s, Gib/s, GiB/s \n
+ * 
+ * Examples:
+ * "56kbps" = 56,000 bits/s \n
+ * "128 kb/s" = 128,000 bits/s \n
+ * "8Kib/s" = 1 KiB/s = 8192 bits/s \n
+ * "1kB/s" = 8000 bits/s 
  */
 class DataRate
 {