From 7696c74a035b50ebadaf3d7c27c3c16b48de077b Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Thu, 3 Mar 2016 01:05:55 -0800
Subject: [PATCH] Tools: Add server interface to perf.py

---
 tools/perf.py | 79 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 71 insertions(+), 8 deletions(-)

diff --git a/tools/perf.py b/tools/perf.py
index 52e7f2172..82e0713cd 100755
--- a/tools/perf.py
+++ b/tools/perf.py
@@ -3,7 +3,9 @@ from __future__ import print_function
 import argparse
 import csv
 import os
+import shlex
 import signal
+import socket
 import subprocess
 import sys
 import time
@@ -65,6 +67,49 @@ class GameClockTest(PerfTest):
     def get_args(self):
         return ['-F', str(self.frames)]
 
+class PerfServer(object):
+    ITERATIONS_PER_INSTANCE = 50
+
+    def __init__(self, address, command=None):
+        s = address.rsplit(':', 1)
+        if len(s) == 1:
+            self.address = (s[0], 7216)
+        else:
+            self.address = (s[0], s[1])
+        if command:
+            self.command = shlex.split(command)
+        self.iterations = self.ITERATIONS_PER_INSTANCE
+        self.socket = None
+        self.results = []
+        self.reader = None
+
+    def _start(self, test):
+        if self.command:
+            server_command = list(self.command)
+        else:
+            server_command = [os.path.join(os.getcwd(), PerfTest.EXECUTABLE)]
+        server_command.extend(['--', '-PD', '0'])
+        if (hasattr(test, "frames")):
+                server_command.extend(['-F', str(test.frames)])
+        subprocess.check_call(server_command)
+        time.sleep(4)
+        self.socket = socket.create_connection(self.address, timeout=1000)
+        self.reader = csv.DictReader(self.socket.makefile())
+
+    def run(self, test):
+        if not self.socket:
+            self._start(test)
+        self.socket.send(os.path.join("/perfroms", test.rom))
+        self.results.append(next(self.reader))
+        self.iterations -= 1
+        if self.iterations == 0:
+            self.socket.send("\n");
+            self.reader = None
+            self.socket.close()
+            time.sleep(5)
+            self.socket = None
+            self.iterations = self.ITERATIONS_PER_INSTANCE
+
 class Suite(object):
     def __init__(self, cwd, wall=None, game=None, renderer='software'):
         self.cwd = cwd
@@ -72,11 +117,15 @@ class Suite(object):
         self.wall = wall
         self.game = game
         self.renderer = renderer
+        self.server = None
+
+    def set_server(self, server):
+        self.server = server
 
     def collect_tests(self):
         roms = []
         for f in os.listdir(self.cwd):
-            if f.endswith('.gba') or f.endswith('.zip'):
+            if f.endswith('.gba') or f.endswith('.zip') or f.endswith('.gbc') or f.endswith('.gb'):
                 roms.append(f)
         roms.sort()
         for rom in roms:
@@ -90,15 +139,21 @@ class Suite(object):
 
     def run(self):
         results = []
+        sock = None
         for test in self.tests:
             print('Running test {}'.format(test.name), file=sys.stderr)
-            try:
-                test.run(self.cwd)
-            except KeyboardInterrupt:
-                print('Interrupted, returning early...', file=sys.stderr)
-                return results
-            if test.results:
-                results.append(test.results)
+            if self.server:
+                self.server.run(test)
+            else:
+                try:
+                    test.run(self.cwd)
+                except KeyboardInterrupt:
+                    print('Interrupted, returning early...', file=sys.stderr)
+                    return results
+                if test.results:
+                    results.append(test.results)
+        if self.server:
+            results.extend(self.server.results)
         return results
 
 if __name__ == '__main__':
@@ -106,11 +161,19 @@ if __name__ == '__main__':
     parser.add_argument('-w', '--wall-time', type=float, default=0, metavar='TIME', help='wall-clock time')
     parser.add_argument('-g', '--game-frames', type=int, default=0, metavar='FRAMES', help='game-clock frames')
     parser.add_argument('-N', '--disable-renderer', action='store_const', const=True, help='disable video rendering')
+    parser.add_argument('-s', '--server', metavar='ADDRESS', help='run on server')
+    parser.add_argument('-S', '--server-command', metavar='COMMAND', help='command to launch server')
     parser.add_argument('-o', '--out', metavar='FILE', help='output file path')
     parser.add_argument('directory', help='directory containing ROM files')
     args = parser.parse_args()
 
     s = Suite(args.directory, wall=args.wall_time, game=args.game_frames, renderer=None if args.disable_renderer else 'software')
+    if args.server:
+        if args.server_command:
+            server = PerfServer(args.server, args.server_command)
+        else:
+            server = PerfServer(args.server)
+        s.set_server(server)
     s.collect_tests()
     results = s.run()
     fout = sys.stdout