implemented dump_grabber

dump_grabber/dump_grabber/main.py

@@ -6,12 +6,40 @@ import sys, os, random
 
 from PyQt4 import QtCore, QtGui
 
-
+from PyQt4.QtCore import QBuffer, QByteArray, QIODevice
 
 from dump_grabber_ui import Ui_MainWindow
 from PyKDE4.kdecore import ki18n, KCmdLineArgs, KAboutData
 from PyKDE4.kdeui import KMainWindow, KApplication
 
+from  datetime import datetime
+import threading
+import Queue
+import traceback
+import numpy as np
+import string
+import time
+import random
+import socket
+import os.path
+from os import curdir, sep
+from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
+from SocketServer import ThreadingMixIn, ForkingMixIn
+import select
+import re
+
+from collections import deque
+
+from chaosc.argparser_groups import *
+from chaosc.lib import resolve_host
+
+try:
+    from chaosc.c_osc_lib import OSCMessage, decode_osc
+except ImportError as e:
+    print(e)
+    from chaosc.osc_lib import OSCMessage, decode_osc
+
+
 appName     = "dump_grabber"
 catalog     = "dump_grabber"
 programName = ki18n("dump_grabber")
@@ -23,7 +51,7 @@ KCmdLineArgs.init (sys.argv, aboutData)
 
 app = KApplication()
 class MainWindow(KMainWindow, Ui_MainWindow):
-    def __init__(self, parent=None):
+    def __init__(self, parent=None, columns=3):
         super(MainWindow, self).__init__(parent)
         self.setupUi(self)
         self.graphics_view.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
@@ -44,19 +72,240 @@ class MainWindow(KMainWindow, Ui_MainWindow):
         print "font", self.default_font.family(), self.default_font.pixelSize(), self.default_font.pointSize()
         self.brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
         self.brush.setStyle(QtCore.Qt.SolidPattern)
-        pos_y = 0
-        for i in range(self.num_lines):
-            text = self.graphics_scene.addSimpleText("osc address:/test/foo/bar      arguments:[%d]        types=[\"i\"]" % random.randint(0,255), self.default_font)
-            text.setBrush(self.brush)
-            text.setPos(0, i * self.line_height)
-            pos_y += self.line_height
 
+        self.column_count = columns
+        self.columns = [["" for j in range(self.num_lines)]
+            for i in range(columns)]
+        self.column_width = 775 / columns
+        self.column_heads = [self.num_lines - 1] * columns
         self.graphics_view.show()
 
-def main():
+    def add_text(self, column, text):
+        head = self.column_heads[column]
+        text_item = self.graphics_scene.addSimpleText(text, self.default_font)
+        #text_item.setPen(QtCore.Qt.red)
+        if column == 0:
+            text_item.setBrush(QtCore.Qt.red)
+        elif column == 1:
+            text_item.setBrush(QtCore.Qt.green)
+        elif column == 2:
+            text_item.setBrush(QtCore.Qt.blue)
+        text_item.setPos(column * self.column_width, head * self.line_height)
+        print "head", column, head
+        self.columns[column][head] = text_item
+        self.column_heads[column] = (head - 1) % self.num_lines
+
+
+    def render(self):
+        image = QtGui.QImage(768, 576, QtGui.QImage.Format_ARGB32_Premultiplied)
+        image.fill(QtCore.Qt.black)
+        painter = QtGui.QPainter(image)
+        #painter.setPen(QtCore.Qt.white)
+        painter.setFont(self.default_font)
+        self.graphics_view.render(painter, target=QtCore.QRectF(0,0,768,576),source=QtCore.QRect(0,0,768,576))
+        return image
+
+
+class OSCThread(threading.Thread):
+    def __init__(self, args):
+        super(OSCThread, self).__init__()
+        self.args = args
+        self.running = True
+
+        self.client_address = resolve_host(args.client_host, args.client_port, args.address_family)
+
+        self.chaosc_address = chaosc_host, chaosc_port = resolve_host(args.chaosc_host, args.chaosc_port, args.address_family)
+
+        self.osc_sock = socket.socket(args.address_family, 2, 17)
+        self.osc_sock.bind(self.client_address)
+        self.osc_sock.setblocking(0)
+
+        print "%s: starting up osc receiver on '%s:%d'" % (
+            datetime.now().strftime("%x %X"), self.client_address[0], self.client_address[1])
+
+        self.subscribe_me()
+
+    def subscribe_me(self):
+        """Use this procedure for a quick'n dirty subscription to your chaosc instance.
+
+        :param chaosc_address: (chaosc_host, chaosc_port)
+        :type chaosc_address: tuple
+
+        :param receiver_address: (host, port)
+        :type receiver_address: tuple
+
+        :param token: token to get authorized for subscription
+        :type token: str
+        """
+        print "%s: subscribing to '%s:%d' with label %r" % (datetime.now().strftime("%x %X"), self.chaosc_address[0], self.chaosc_address[1], self.args.subscriber_label)
+        msg = OSCMessage("/subscribe")
+        msg.appendTypedArg(self.client_address[0], "s")
+        msg.appendTypedArg(self.client_address[1], "i")
+        msg.appendTypedArg(self.args.authenticate, "s")
+        if self.args.subscriber_label is not None:
+            msg.appendTypedArg(self.args.subscriber_label, "s")
+        self.osc_sock.sendto(msg.encode_osc(), self.chaosc_address)
+
+
+    def unsubscribe_me(self):
+        if self.args.keep_subscribed:
+            return
+
+        print "%s: unsubscribing from '%s:%d'" % (datetime.now().strftime("%x %X"), self.chaosc_address[0], self.chaosc_address[1])
+        msg = OSCMessage("/unsubscribe")
+        msg.appendTypedArg(self.client_address[0], "s")
+        msg.appendTypedArg(self.client_address[1], "i")
+        msg.appendTypedArg(self.args.authenticate, "s")
+        self.osc_sock.sendto(msg.encode_osc(), self.chaosc_address)
+
+    def run(self):
+
+        while self.running:
+            try:
+                reads, writes, errs = select.select([self.osc_sock], [], [], 0.05)
+            except Exception, e:
+                print "select error", e
+                pass
+            else:
+                if reads:
+                    try:
+                        osc_input, address = self.osc_sock.recvfrom(8192)
+                        osc_address, typetags, messages = decode_osc(osc_input, 0, len(osc_input))
+                        print osc_address, typetags, messages
+                        if osc_address.find("ekg") != -1 or osc_address.find("plot") != -1:
+                            queue.put_nowait((osc_address, messages))
+                    except Exception, e:
+                        print "recvfrom error", e
+                else:
+                    queue.put_nowait(("/bjoern/ekg", [0]))
+                    queue.put_nowait(("/merle/ekg", [0]))
+                    queue.put_nowait(("/uwe/ekg", [0]))
+
+        self.unsubscribe_me()
+        print "OSCThread is going down"
+
+
+queue = Queue.Queue()
+
+class MyHandler(BaseHTTPRequestHandler):
+
+    def do_GET(self):
+
+        try:
+            self.path=re.sub('[^.a-zA-Z0-9]', "",str(self.path))
+            if self.path=="" or self.path==None or self.path[:1]==".":
+                self.send_error(403,'Forbidden')
+
+
+            if self.path.endswith(".html"):
+                directory = os.path.dirname(os.path.abspath(__file__))
+                data = open(os.path.join(directory, self.path), "rb").read()
+                self.send_response(200)
+                self.send_header('Content-type', 'text/html')
+                self.end_headers()
+                self.wfile.write(data)
+            elif self.path.endswith(".mjpeg"):
+                self.thread = thread = OSCThread(self.server.args)
+                thread.daemon = True
+                thread.start()
                 window = MainWindow()
                 window.show()
-    app.exec_()
+
+                self.send_response(200)
+                self.send_header("Content-Type", "multipart/x-mixed-replace; boundary=--aaboundary")
+                self.end_headers()
+
+                event_loop = QtCore.QEventLoop()
+                while 1:
+                    event_loop.processEvents()
+                    app.sendPostedEvents(None, 0)
+                    while 1:
+                        try:
+                            osc_address, args = queue.get_nowait()
+                            print osc_address, args
+                        except Queue.Empty:
+                            break
+                        else:
+                            if "merle" in osc_address:
+                                window.add_text(0, "%s = %s" % (osc_address[7:], ", ".join([str(i) for i in args])))
+                            elif "uwe" in osc_address:
+                                window.add_text(1, "%s = %s" % (osc_address[5:], ", ".join([str(i) for i in args])))
+                            elif "bjoern" in osc_address:
+                                window.add_text(2, "%s = %s" % (osc_address[8:], ", ".join([str(i) for i in args])))
+
+                    img = window.render()
+                    buffer = QBuffer()
+                    buffer.open(QIODevice.WriteOnly)
+                    img.save(buffer, "JPG", 100)
+                    img.save("/tmp/test.jpg", "JPG")
+
+                    JpegData = buffer.data()
+                    self.wfile.write("--aaboundary\r\nContent-Type: image/jpeg\r\nContent-length: %d\r\n\r\n%s\r\n\r\n\r\n" % (len(JpegData), JpegData))
+
+                    JpegData = None
+                    buffer = None
+                    img = None
+
+            elif self.path.endswith(".jpeg"):
+                directory = os.path.dirname(os.path.abspath(__file__))
+                data = open(os.path.join(directory, self.path), "rb").read()
+                self.send_response(200)
+                self.send_header('Content-type','image/jpeg')
+                self.end_headers()
+                self.wfile.write(data)
+            return
+        except (KeyboardInterrupt, SystemError):
+            print "queue size", queue.qsize()
+            if hasattr(self, "thread") and self.thread is not None:
+                self.thread.running = False
+                self.thread.join()
+                self.thread = None
+        except IOError, e:
+            print "ioerror", e, e[0]
+            print dir(e)
+            if e[0] in (32, 104):
+                if hasattr(self, "thread") and self.thread is not None:
+                    self.thread.running = False
+                    self.thread.join()
+                    self.thread = None
+            else:
+                print '-'*40
+                print 'Exception happened during processing of request from'
+                traceback.print_exc() # XXX But this goes to stderr!
+                print '-'*40
+                self.send_error(404,'File Not Found: %s' % self.path)
+
+
+class JustAHTTPServer(HTTPServer):
+    pass
+
+
+def main():
+    arg_parser = ArgParser("ekgplotter")
+    arg_parser.add_global_group()
+    client_group = arg_parser.add_client_group()
+    arg_parser.add_argument(client_group, '-x', "--http_host", default="::",
+        help='my host, defaults to "::"')
+    arg_parser.add_argument(client_group, '-X', "--http_port", default=9000,
+        type=int, help='my port, defaults to 9000')
+    arg_parser.add_chaosc_group()
+    arg_parser.add_subscriber_group()
+    args = arg_parser.finalize()
+
+    http_host, http_port = resolve_host(args.http_host, args.http_port, args.address_family)
+
+    server = JustAHTTPServer((http_host, http_port), MyHandler)
+    server.address_family = args.address_family
+    server.args = args
+    print "%s: starting up http server on '%s:%d'" % (
+        datetime.now().strftime("%x %X"), http_host, http_port)
+
+    try:
+        server.serve_forever()
+    except KeyboardInterrupt:
+        print '^C received, shutting down server'
+        server.socket.close()
+        sys.exit(0)
 
 
 if ( __name__ == '__main__' ):