add the returned response code statistic

lib/slap/report.ex

@@ -1,3 +1,3 @@
 defmodule Slap.Report do
-    defstruct metrics: [], success: 0, total: 0, average_latency: 0, total_iterations: 0, current_iteration: 0
+    defstruct metrics: [], codes: %{}, success: 0, total: 0, average_latency: 0, total_iterations: 0, current_iteration: 0
 end

lib/slap/reporter.ex

@@ -7,6 +7,7 @@ defmodule Slap.Reporter do
   def init(_state) do
     {:ok, %{
        metrics: [], 
+       codes: %{},
        success: 0, 
        total: 0, 
        average_latency: 0, 
@@ -38,6 +39,12 @@ defmodule Slap.Reporter do
       state = %{state | success: state[:success] + 1 } 
     end
 
+    count = case Map.has_key?(state.codes, metric.status_code) do
+      false -> 0
+      true -> Map.get(state.codes, metric.status_code) + 1
+    end
+
+    state = %{ state | codes:  Map.put(state.codes, metric.status_code, count) }
     state = %{ state | total: state[:total] + 1 } 
     state = %{ state | metrics: state[:metrics] ++ [metric] }
     state = %{ state | total_time: state[:total_time] + metric.latency }
@@ -62,6 +69,7 @@ defmodule Slap.Reporter do
     %Slap.Report{
       success: state.success, 
       metrics: state.metrics, 
+      codes: state.codes,
       total: state.total, 
       average_latency: state.average_latency,
       total_iterations: state.total_iterations,

lib/slap/reporter_cli.ex

@@ -15,7 +15,7 @@ defmodule Slap.ReporterCli do
     if report.total_iterations > 0 do
       IO.write "\e[1A"
       IO.write "\r"
-      clean(80)
+      clean(200)
       IO.write "\r"
       write(report)
       IO.write "\n"
@@ -32,6 +32,9 @@ defmodule Slap.ReporterCli do
   end
 
   defp write(report) do 
-    IO.write " Total: #{report.total} | Success: #{report.success} | Fail: #{report.total - report.success} | Average latency: #{trunc(report.average_latency / 1000000)} ms"
+    IO.write " Total: #{report.total} | Success: #{report.success} | Fail: #{report.total - report.success} | Average latency: #{trunc(report.average_latency / 1000000)} ms "
+    Enum.each(report.codes, fn({k, x}) ->
+      IO.write(" | #{k} : #{x}")
+    end)
   end
 end