[4] | 1 | ############################################################################ |
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| 2 | # |
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| 3 | # Copyright (C) 2005 Electronic Visualization Laboratory, |
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| 4 | # University of Illinois at Chicago |
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| 5 | # |
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| 6 | # All rights reserved. |
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| 7 | # |
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| 8 | # Redistribution and use in source and binary forms, with or without |
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| 9 | # modification, are permitted provided that the following conditions are met: |
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| 10 | # |
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| 11 | # * Redistributions of source code must retain the above copyright |
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| 12 | # notice, this list of conditions and the following disclaimer. |
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| 13 | # * Redistributions in binary form must reproduce the above |
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| 14 | # copyright notice, this list of conditions and the following disclaimer |
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| 15 | # in the documentation and/or other materials provided with the distribution. |
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| 16 | # * Neither the name of the University of Illinois at Chicago nor |
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| 17 | # the names of its contributors may be used to endorse or promote |
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| 18 | # products derived from this software without specific prior written permission. |
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| 19 | # |
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| 20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 21 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 22 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 23 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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| 24 | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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| 25 | # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 26 | # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 27 | # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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| 28 | # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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| 29 | # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 30 | # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 31 | # |
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| 32 | # Direct questions, comments etc about SAGE UI to www.evl.uic.edu/cavern/forum |
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| 33 | # |
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| 34 | # Author: Ratko Jagodic |
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| 35 | # |
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| 36 | ############################################################################ |
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| 37 | |
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| 38 | |
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| 39 | |
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| 40 | |
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| 41 | |
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| 42 | """ |
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| 43 | SAGE UI --> SAGE |
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| 44 | --------------------------- |
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| 45 | Register 1000 |
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| 46 | Execute 1001 |
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| 47 | Shutdown 1002 |
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| 48 | Move 1003 |
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| 49 | Resize 1004 |
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| 50 | Start Performance 1005 |
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| 51 | Stop Performance 1006 |
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| 52 | BackColor 1007 |
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| 53 | Z Value Change 1008 |
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| 54 | Bring To Front 1010 |
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| 55 | App Properties Change 1011 |
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| 56 | App Frame Rate Change 1012 |
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| 57 | SAGE Shutdown 1100 |
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| 58 | |
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| 59 | |
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| 60 | SAGE ----> SAGE UI |
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| 61 | -------------------------- |
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| 62 | Status 40000 |
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| 63 | App Info 40001 APPID L R T B SAIL-ID |
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| 64 | Performance 40002 |
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| 65 | App Shutdown 40003 |
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| 66 | Display Info 40004 |
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| 67 | Z Order Change 40005 |
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| 68 | |
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| 69 | |
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| 70 | STORE INFORMATION |
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| 71 | """ |
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| 72 | |
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| 73 | |
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| 74 | |
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| 75 | from threading import Thread |
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| 76 | import socket, sys, string, os.path, xmlrpclib |
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| 77 | |
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| 78 | |
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| 79 | TIMEOUT_INTERVAL = 2 |
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| 80 | BLANK = ' ' |
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| 81 | HEADER_ITEM_LEN = 8 |
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| 82 | APP_LAUNCHER_PORT = 19010 |
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| 83 | |
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| 84 | |
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| 85 | class SAGEGate: |
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| 86 | |
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| 87 | def __init__(self, logFunc ): |
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| 88 | self.hashCallbackFunction = {} # (AKS 2004-10-16) |
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| 89 | self.threadkilled = False |
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| 90 | self.connected = False |
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| 91 | self.WriteLog = logFunc #redirect output |
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| 92 | |
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| 93 | # used for printing out informative messages (on sending and receiving) |
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| 94 | self.hashOutgoingMessages = {} #RJ 2005-01-24 |
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| 95 | self.hashOutgoingMessages[1000] = "Register UI" |
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| 96 | self.hashOutgoingMessages[1001] = "App Start" |
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| 97 | self.hashOutgoingMessages[1002] = "App Shutdown" |
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| 98 | self.hashOutgoingMessages[1003] = "Move" |
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| 99 | self.hashOutgoingMessages[1004] = "Resize" |
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| 100 | self.hashOutgoingMessages[1005] = "Request Performance" |
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| 101 | self.hashOutgoingMessages[1006] = "Stop Performance" |
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| 102 | self.hashOutgoingMessages[1007] = "Background Color" |
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| 103 | self.hashOutgoingMessages[1008] = "Z Value" |
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| 104 | self.hashOutgoingMessages[1010] = "Bring To Front" |
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| 105 | self.hashOutgoingMessages[1011] = "App Properties Change" |
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| 106 | self.hashOutgoingMessages[1012] = "App Frame Rate Change" |
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| 107 | self.hashOutgoingMessages[1015] = "Stream Request" |
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| 108 | self.hashOutgoingMessages[1100] = "Shutdown" |
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| 109 | |
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| 110 | self.hashIncomingMessages = {} #RJ 2005-01-24 |
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| 111 | self.hashIncomingMessages[40000] = "SAGE Status Message" |
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| 112 | self.hashIncomingMessages[40001] = "App Info Return" |
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| 113 | self.hashIncomingMessages[40002] = "Performance Info" |
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| 114 | self.hashIncomingMessages[40003] = "App Shutdown" |
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| 115 | self.hashIncomingMessages[40004] = "Display Info" |
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| 116 | self.hashIncomingMessages[40005] = "Z Change" |
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| 117 | |
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| 118 | |
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| 119 | |
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| 120 | def makemsg(self,dst,code,appcode,size,data): |
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| 121 | msg = '%8s\0%8s\0%8s\0%s\0' %(dst,code,appcode,data) |
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| 122 | size = len(msg) + 9 |
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| 123 | msg = '%8s\0%s' %(size,msg) |
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| 124 | return msg |
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| 125 | |
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| 126 | |
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| 127 | def connectToAppLauncher(self, host=socket.gethostname(), port=APP_LAUNCHER_PORT): |
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| 128 | self.appLauncher = xmlrpclib.ServerProxy("http://" + host + ":" + str(port)) |
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| 129 | try: |
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| 130 | self.getAppList() |
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| 131 | except socket.error: |
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| 132 | return False |
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| 133 | except: |
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| 134 | pass |
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| 135 | return True |
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| 136 | |
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| 137 | |
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| 138 | ################################################################## |
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| 139 | # Connect To Sage |
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| 140 | ################################################################## |
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| 141 | def connectToSage(self,host=socket.gethostname(),port=20001): |
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| 142 | if self.connected == True: return 0 |
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| 143 | |
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| 144 | ## connect to the app launcher first |
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| 145 | if not self.connectToAppLauncher(host, APP_LAUNCHER_PORT): |
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| 146 | self.WriteLog("\n===> Can't connect to the appLauncher") |
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| 147 | return -1 |
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| 148 | |
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| 149 | ## create socket |
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| 150 | self.sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM) |
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| 151 | if self.sock is None: return 0 |
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| 152 | |
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| 153 | if host: self.sageHost = host |
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| 154 | if port > 0: self.sagePort = port |
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| 155 | ## connect |
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| 156 | try: |
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| 157 | self.sock.connect((host,port)) |
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| 158 | except socket.error: |
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| 159 | self.WriteLog('can\'t connect to SAGE on '+ self.sageHost + ":" + str(self.sagePort)) |
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| 160 | return 0 |
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| 161 | |
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| 162 | #### RJ 2005-01-21 |
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| 163 | # without this, this thread will never exit because sock.recv is blocking and it will wait until |
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| 164 | # something comes in. What happens is, "while" checks if threadkilled is false, it is so it goes |
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| 165 | # in here and blocks until something is received. In the meantime, we want to quit so we set |
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| 166 | # threadkilled to True but since we are blocked by sock.recv, we wont be able to get to the "while" again |
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| 167 | self.sock.settimeout(TIMEOUT_INTERVAL) |
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| 168 | |
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| 169 | ##### FOR Thread |
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| 170 | self.t = Thread(target=self.recvWorker,args=()) |
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| 171 | self.t.setDaemon(True) |
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| 172 | self.t.start() |
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| 173 | |
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| 174 | self.threadkilled = False |
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| 175 | self.connected = True |
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| 176 | |
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| 177 | #print 'connected to SAGE',self.sageHost,self.sagePort |
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| 178 | return 1 |
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| 179 | |
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| 180 | def disconnectFromSage(self): |
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| 181 | if self.connected == False: return 0 |
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| 182 | |
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| 183 | self.threadkilled = True |
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| 184 | self.connected = False |
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| 185 | |
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| 186 | self.t.join() |
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| 187 | self.sock.close() |
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| 188 | del self.sock |
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| 189 | #print 'disconnected from SAGE',self.sageHost,self.sagePort |
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| 190 | |
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| 191 | return 1 |
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| 192 | ################################################################# |
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| 193 | |
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| 194 | def sendmsg(self,msg): |
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| 195 | totalcount = 0 |
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| 196 | try: |
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| 197 | totalcount = self.sock.send(msg) |
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| 198 | except socket.error: |
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| 199 | #print 'socket error' |
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| 200 | totalcount = -1 |
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| 201 | except Exception: |
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| 202 | totalcount = -1 |
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| 203 | return totalcount |
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| 204 | |
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| 205 | |
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| 206 | # get the applist from the applauncher first and call the appropriate function |
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| 207 | def getAppList(self): |
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| 208 | try: |
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| 209 | appList = self.appLauncher.getAppList() |
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| 210 | except socket.error: |
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| 211 | return -1 #the server is not running |
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| 212 | else: |
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| 213 | self.hashCallbackFunction[ 40000 ]( appList ) |
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| 214 | |
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| 215 | |
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| 216 | |
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| 217 | ################################################################## |
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| 218 | # Register |
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| 219 | ################################################################## |
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| 220 | # 1000 none |
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| 221 | # #############40000 SAGE-STATUS Format (?) |
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| 222 | # 40004 display info format |
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| 223 | # 40001 app-inst-ID left right top bottom sail-ID |
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| 224 | ################################################################## |
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| 225 | def registerSage(self): |
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| 226 | if self.connected == False: |
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| 227 | return 0 |
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| 228 | msg = self.makemsg('',1000,'',0,'') |
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| 229 | status = self.sendmsg(msg) |
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| 230 | return status |
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| 231 | |
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| 232 | ################################################################## |
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| 233 | # Execute |
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| 234 | ################################################################## |
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| 235 | # 1001 app-name 100 100 (app-name(?)) |
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| 236 | # 40001 app-inst-ID left right top bottom sail-ID |
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| 237 | ################################################################## |
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| 238 | def executeApp(self, appName, configName="default", pos=False, size=False, shareable=False, optionalArgs=""): |
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| 239 | if self.connected == False: return 0 |
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| 240 | if not appName: return 0 |
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| 241 | |
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| 242 | return self.appLauncher.startDefaultApp(appName, self.sageHost, self.sagePort+1, shareable, configName, pos, size, optionalArgs) |
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| 243 | |
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| 244 | |
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| 245 | |
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| 246 | |
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| 247 | ################################################################## |
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| 248 | # Shutdown |
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| 249 | ################################################################## |
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| 250 | # 1002 app-instance |
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| 251 | # 40003 app-Inst-ID (?) |
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| 252 | ################################################################## |
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| 253 | def shutdownApp(self,appId): |
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| 254 | if self.connected == False: return 0 |
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| 255 | #if not appId: return 0 |
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| 256 | |
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| 257 | #msg = self.makemsg('',1002,'',len(appId),appId) |
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| 258 | data = "" + str(appId) |
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| 259 | msg = self.makemsg('',1002,'',len(data),data) |
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| 260 | status = self.sendmsg(msg) |
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| 261 | return status |
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| 262 | |
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| 263 | ################################################################## |
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| 264 | # Move |
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| 265 | ################################################################## |
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| 266 | # 1003 app-instance dist-X,dist-Y |
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| 267 | ################################################################## |
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| 268 | def moveWindow(self,appId,distX,distY): |
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| 269 | if self.connected == False: return 0 |
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| 270 | |
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| 271 | #make sure all the coordinates are ints |
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| 272 | distX = int(distX) |
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| 273 | distY = int(distY) |
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| 274 | |
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| 275 | data = str(appId) + BLANK + str(distX) + BLANK + str(distY) |
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| 276 | msg = self.makemsg('',1003,'',len(data),data) |
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| 277 | status = self.sendmsg(msg) |
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| 278 | return status |
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| 279 | |
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| 280 | ############################################################## |
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| 281 | # Resize |
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| 282 | # 1004 app-instance lef,right,top,bottom |
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| 283 | ################################################################## |
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| 284 | def resizeWindow(self,appId,left=0,right=0,bottom=0,top=0): |
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| 285 | if self.connected == False: return 0 |
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| 286 | #if not appId: return 0 |
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| 287 | |
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| 288 | #make sure all the coordinates are ints |
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| 289 | left = int(left) |
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| 290 | right = int(right) |
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| 291 | bottom = int(bottom) |
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| 292 | top = int(top) |
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| 293 | |
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| 294 | data = str(appId) + BLANK + str(left) + BLANK + str(right) + BLANK + str(bottom) + BLANK + str(top) |
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| 295 | msg = self.makemsg('',1004,'',len(data),data) |
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| 296 | status = self.sendmsg(msg) |
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| 297 | return status |
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| 298 | |
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| 299 | ########################################################### |
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| 300 | # Performance Information |
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| 301 | ########################################################### |
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| 302 | # 1005 app-instance sending-rate |
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| 303 | # 1006 app-instance |
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| 304 | ########################################################### |
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| 305 | def startPerformance(self,appId,sendingrate=2): |
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| 306 | if self.connected == False: return 0 |
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| 307 | data = "%d %d" % (appId, sendingrate ) |
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| 308 | msg = self.makemsg('',1005,'',len(data),data) |
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| 309 | status = self.sendmsg(msg) |
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| 310 | return status |
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| 311 | |
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| 312 | def stopPerformance(self,appId): |
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| 313 | if self.connected == False: return 0 |
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| 314 | appId = str(appId) # convert the data to string format |
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| 315 | |
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| 316 | msg = self.makemsg('',1006,'',len(appId),appId) |
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| 317 | status = self.sendmsg(msg) |
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| 318 | return status |
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| 319 | |
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| 320 | |
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| 321 | #################################### |
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| 322 | # Background Color |
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| 323 | # 1007 red,green blue |
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| 324 | ################################################################## |
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| 325 | def setBgColor(self,(red,green,blue)=(1,1,1)): |
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| 326 | if self.connected == False: return 0 |
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| 327 | |
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| 328 | data = str(red) + BLANK + str(green) + BLANK + str(blue) |
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| 329 | msg = self.makemsg('',1007,'',len(data),data) |
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| 330 | status = self.sendmsg(msg) |
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| 331 | return status |
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| 332 | |
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| 333 | |
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| 334 | #################################### |
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| 335 | # bring the application window to the top (front) |
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| 336 | # 1010 app-inst-ID |
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| 337 | ################################################################## |
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| 338 | def bringToFront(self, appId): |
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| 339 | if self.connected == False: return 0 |
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| 340 | |
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| 341 | data = str(appId) |
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| 342 | msg = self.makemsg('',1010,'',len(data),data) |
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| 343 | status = self.sendmsg(msg) |
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| 344 | return status |
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| 345 | |
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| 346 | |
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| 347 | #################################### |
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| 348 | # Change App Properties |
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| 349 | # 1011 appId, fsmIP, fsmPort, appConfigNum |
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| 350 | ################################################################## |
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| 351 | def changeAppProperties(self,appId, newTitle, newTitleColor=(-1,-1,-1), newBorderColor=(-1,-1,-1)): |
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| 352 | if self.connected == False: return 0 |
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| 353 | |
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| 354 | data = str(appId) + BLANK + str(newTitle) |
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| 355 | data = data + BLANK + str(newTitleColor[0]) + BLANK + str(newTitleColor[1]) + BLANK + str(newTitleColor[2]) |
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| 356 | data = data + BLANK + str(newBorderColor[0]) + BLANK + str(newBorderColor[1]) + BLANK + str(newBorderColor[2]) |
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| 357 | #data = data + BLANK + str(newTitle) |
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| 358 | msg = self.makemsg('',1011,'',len(data),data) |
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| 359 | status = self.sendmsg(msg) |
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| 360 | return status |
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| 361 | |
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| 362 | #################################### |
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| 363 | # Change App Frame Rate |
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| 364 | # 1012 appId, fsmIP, fsmPort, appConfigNum |
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| 365 | ################################################################## |
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| 366 | def changeAppFrameRate(self,appId, newFrameRate): |
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| 367 | if self.connected == False: return 0 |
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| 368 | |
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| 369 | data = str(appId) + BLANK + str(newFrameRate) |
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| 370 | msg = self.makemsg('',1012,'',len(data),data) |
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| 371 | status = self.sendmsg(msg) |
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| 372 | return status |
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| 373 | |
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| 374 | |
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| 375 | #################################### |
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| 376 | # Stream Request |
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| 377 | # 1015 appId, fsmIP, fsmPort |
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| 378 | ################################################################## |
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| 379 | def streamApp(self,appId, fsmIP, fsmPort): |
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| 380 | if self.connected == False: return 0 |
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| 381 | |
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| 382 | data = str(appId) + BLANK + str(fsmIP) + BLANK + str(fsmPort) |
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| 383 | msg = self.makemsg('',1015,'',len(data),data) |
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| 384 | status = self.sendmsg(msg) |
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| 385 | return status |
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| 386 | |
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| 387 | |
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| 388 | #################################### |
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| 389 | # SAGE shutdown |
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| 390 | # 1100 <none> |
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| 391 | ################################################################## |
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| 392 | def shutdownSAGE(self): |
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| 393 | if self.connected == False: return 0 |
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| 394 | msg = self.makemsg('',1100,'',0,'') |
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| 395 | status = self.sendmsg(msg) |
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| 396 | return status |
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| 397 | |
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| 398 | |
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| 399 | ### informs the user when the connection breaks |
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| 400 | def showConnectionClosedDialog(self): |
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| 401 | pass |
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| 402 | |
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| 403 | |
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| 404 | ############## |
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| 405 | ## Recv Worker Thread |
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| 406 | ################################################################## |
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| 407 | def recvWorker(self): |
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| 408 | |
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| 409 | while self.threadkilled == False: #doesn't work as expected without the sock.settimeout (look below) |
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| 410 | |
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| 411 | ############################# |
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| 412 | try: |
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| 413 | |
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| 414 | code = "" |
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| 415 | incomingMsg = "" |
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| 416 | msgSize = "" |
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| 417 | |
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| 418 | # first make sure you read the whole 8 bytes for the size |
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| 419 | while len(msgSize) < HEADER_ITEM_LEN: |
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| 420 | msgSize = self.sock.recv(HEADER_ITEM_LEN) |
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| 421 | if len( msgSize ) == 0: |
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| 422 | self.threadkilled = True |
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| 423 | break |
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| 424 | |
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| 425 | if self.threadkilled == True: |
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| 426 | #wx.CallAfter(self.showConnectionClosedDialog) |
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| 427 | break |
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| 428 | |
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| 429 | # this is the number of bytes that the total message contains |
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| 430 | msgSize = msgSize.replace('\x00', '') |
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| 431 | sizeLeft = int(msgSize) - HEADER_ITEM_LEN # we already read the size so read the rest of the bytes |
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| 432 | |
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| 433 | # read the rest of the message |
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| 434 | while len( incomingMsg ) < sizeLeft: |
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| 435 | incomingMsg = incomingMsg + self.sock.recv( sizeLeft - len(incomingMsg) ) |
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| 436 | |
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| 437 | |
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| 438 | # extract the tokens from the message |
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| 439 | if len( incomingMsg ) > 0: |
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| 440 | incomingMsg = incomingMsg.replace('\x00', ' ') |
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| 441 | dst = incomingMsg[ 1:9 ].strip() |
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| 442 | code = incomingMsg[ 10:18 ].strip() |
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| 443 | appCode = incomingMsg[ 19:27 ].strip() |
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| 444 | data = incomingMsg[ 28: ].strip() |
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| 445 | |
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| 446 | # print the message out |
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| 447 | if int(code) in self.hashIncomingMessages and int(code) != 40002: |
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| 448 | self.WriteLog("\n\tRECEIVED: " + self.hashIncomingMessages[int(code)]) |
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| 449 | lines = data.split('\n') |
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| 450 | if len(lines) < 2: |
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| 451 | self.WriteLog("\t\t [" + lines[0] + "]\n\n") |
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| 452 | else: |
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| 453 | for i in range(0, len(lines)): |
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| 454 | if i == 0: |
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| 455 | self.WriteLog("\t\t [" + lines[i]) |
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| 456 | elif i == len(lines)-1: |
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| 457 | self.WriteLog("\t\t " + lines[i] + "]\n\n") |
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| 458 | else: |
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| 459 | self.WriteLog("\t\t " + lines[i]) |
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| 460 | |
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| 461 | |
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| 462 | except socket.timeout: |
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| 463 | continue |
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| 464 | except socket.error: |
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| 465 | #print 'socket error on receive' |
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| 466 | continue |
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| 467 | except: |
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| 468 | self.WriteLog( str(sys.exc_info()[0])+" "+str(sys.exc_info()[1]) ) |
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| 469 | continue |
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| 470 | |
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| 471 | |
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| 472 | ## SAGE Status |
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| 473 | if self.threadkilled: |
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| 474 | break |
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| 475 | |
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| 476 | # now call the appropriate function to update the datastructure |
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| 477 | if self.hashCallbackFunction.has_key( int(code) ): |
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| 478 | self.hashCallbackFunction[ int(code) ]( data ) |
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| 479 | |
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| 480 | |
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| 481 | |
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| 482 | |
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| 483 | # converts all non-printable characters from the buffer to white spaces |
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| 484 | # (so that they can be removed using string.strip() function) |
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| 485 | def cleanBuffer( self, stBuffer ): |
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| 486 | stNewBuffer = "" |
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| 487 | |
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| 488 | for ch in stBuffer: |
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| 489 | if ( ch in string.printable ): |
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| 490 | stNewBuffer = stNewBuffer + ch |
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| 491 | else: |
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| 492 | stNewBuffer = stNewBuffer + " " |
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| 493 | |
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| 494 | return stNewBuffer |
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| 495 | |
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| 496 | |
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| 497 | |
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| 498 | |
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| 499 | def registerCallbackFunction( self, msgID, function ): |
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| 500 | self.hashCallbackFunction[ msgID ] = function |
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| 501 | |
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| 502 | |
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