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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