Added support for re-running of layout tests form the dashboard.

Tools/Scripts/webkitpy/tool/servers/layouttestsserver.py

Index: Tools/Scripts/webkitpy/tool/servers/layouttestsserver.py
diff --git a/Tools/Scripts/webkitpy/tool/servers/layouttestsserver.py b/Tools/Scripts/webkitpy/tool/servers/layouttestsserver.py
new file mode 100644
index 0000000000000000000000000000000000000000..22b69be5d0889cabaa54ab2023c745683878010b
--- /dev/null
+++ b/Tools/Scripts/webkitpy/tool/servers/layouttestsserver.py
@@ -0,0 +1,75 @@
+# Copyright (c) 2010 Google Inc. All rights reserved.
+# Copyright (C) 2014 Samsung Electronics. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import time
+import json
+import BaseHTTPServer
+import subprocess
+from subprocess import Popen, PIPE, STDOUT
+
+from webkitpy.common.webkit_finder import WebKitFinder
+from webkitpy.common.system.filesystem import FileSystem
+from webkitpy.tool.servers.reflectionhandler import ReflectionHandler
+
+
+class LayoutTestsHTTPServer(BaseHTTPServer.HTTPServer):
+    def __init__(self, httpd_port, config):
+        server_name = ""
+        server_address = ("", httpd_port)
+        BaseHTTPServer.HTTPServer.__init__(self, server_address, LayoutTestsServerHTTPRequestHandler)
+
+
+class LayoutTestsServerHTTPRequestHandler(ReflectionHandler):
+
+    def do_POST(self):
+        # FIXME : Has to be json object
+        json_raw_data = self.rfile.read(int(self.headers.getheader('content-length')))
+        filesystem = FileSystem()
+        webkit_finder = WebKitFinder(filesystem)
+        script_dir = webkit_finder.path_from_webkit_base('Tools', 'Scripts')
+        executable_path = script_dir + "/run-webkit-tests"
+        cmd = "python " + executable_path + " --no-show-results "
+        cmd += json_raw_data
+        process = subprocess.Popen(cmd, shell=True, cwd=script_dir, env=None, stdout=subprocess.PIPE, stderr=STDOUT)
+        self.send_response(200)
+        self.send_header('Access-Control-Allow-Origin', '*')
+        self.send_header("Content-type", "text/html")
+        self.end_headers()
+        while process.poll() is None:
+            html_output = '<br>' + str(process.stdout.readline())
+            self.wfile.write(html_output)
+            self.wfile.flush()
+            time.sleep(0.05)
+        process.wait()
+
+    def do_OPTIONS(self):
+        self.send_response(200, "ok")
+        self.send_header('Access-Control-Allow-Origin', '*')
+        self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
+        self.send_header("Access-Control-Allow-Headers", "Content-type")