1 | #Licensed to the Apache Software Foundation (ASF) under one |
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2 | #or more contributor license agreements. See the NOTICE file |
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3 | #distributed with this work for additional information |
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4 | #regarding copyright ownership. The ASF licenses this file |
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5 | #to you under the Apache License, Version 2.0 (the |
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6 | #"License"); you may not use this file except in compliance |
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7 | #with the License. You may obtain a copy of the License at |
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8 | |
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9 | # http://www.apache.org/licenses/LICENSE-2.0 |
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10 | |
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11 | #Unless required by applicable law or agreed to in writing, software |
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12 | #distributed under the License is distributed on an "AS IS" BASIS, |
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13 | #WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | #See the License for the specific language governing permissions and |
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15 | #limitations under the License. |
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16 | # Various socket server and helper classes. |
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17 | # |
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18 | # |
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19 | import os, sys, socket, threading, pprint, re, xmlrpclib, time |
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20 | |
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21 | from select import select |
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22 | from SocketServer import ThreadingMixIn, ForkingMixIn |
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23 | from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer |
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24 | from SimpleXMLRPCServer import SimpleXMLRPCRequestHandler, SimpleXMLRPCServer |
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25 | from SimpleHTTPServer import SimpleHTTPRequestHandler |
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26 | from random import Random |
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27 | from urlparse import urlparse |
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28 | |
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29 | Fault = xmlrpclib.Fault |
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30 | |
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31 | from hodlib.Common.util import local_fqdn |
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32 | from hodlib.Common.logger import hodDummyLogger |
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33 | |
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34 | class hodHTTPHandler(BaseHTTPRequestHandler): |
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35 | port = -1 |
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36 | |
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37 | def __init__(self, request, client_address, server, registerService): |
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38 | self.registerService = registerService |
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39 | BaseHTTPRequestHandler.__init__(self, request, client_address, server) |
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40 | |
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41 | def log_message(self, *args): |
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42 | """Forget logging for now.""" |
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43 | |
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44 | pass |
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45 | |
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46 | def do_GET(self): |
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47 | self.fullUrl = "http://%s:%s%s" % (self.server.server_address[0], |
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48 | self.server.server_address[1], |
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49 | self.path) |
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50 | |
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51 | parsedUrl = urlparse(self.fullUrl) |
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52 | self.writeHeaders() |
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53 | self.writeData(parsedUrl) |
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54 | |
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55 | def w(self, string): |
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56 | self.wfile.write("%s\n" % string) |
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57 | |
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58 | def writeHeaders(self): |
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59 | self.send_response(200, 'OK') |
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60 | self.send_header('Content-type', 'text/html') |
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61 | self.end_headers() |
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62 | |
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63 | def sendWrongPage(self, userJob): |
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64 | self.w('<font class="alert">') |
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65 | if userJob == False: |
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66 | self.w('invalid URL specified') |
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67 | elif re.match("^\d+$", userJob): |
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68 | self.w('invalid URL specified, job <b>%s</b> does not exist' % userJob) |
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69 | elif re.match("^\w+$", userJob): |
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70 | self.w('invalid URL specified, user <b>%s</b> does not exist' % userJob) |
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71 | self.w('</font>') |
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72 | |
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73 | def getServiceHosts(self, serviceInfo): |
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74 | hostInfo = { 'long' : {}, 'short' : {} } |
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75 | for user in serviceInfo: |
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76 | for job in serviceInfo[user]: |
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77 | for host in serviceInfo[user][job]: |
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78 | for serviceItem in serviceInfo[user][job][host]: |
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79 | serviceName = serviceItem.keys() |
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80 | serviceName = serviceName[0] |
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81 | if isinstance(serviceItem[serviceName], str): |
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82 | hostInfo['short'][self.getJobKey(user, job, host)] = True |
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83 | hostInfo['long'][self.getJobKey(user, job, host)] = True |
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84 | |
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85 | return hostInfo |
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86 | |
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87 | def getJobInfo(self, job, serviceInfo): |
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88 | jobInfo = {} |
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89 | |
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90 | for user in serviceInfo.keys(): |
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91 | for someJob in serviceInfo[user].keys(): |
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92 | if job == someJob: |
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93 | jobInfo[user] = { job : serviceInfo[user][job] } |
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94 | |
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95 | return jobInfo |
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96 | |
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97 | def getJobKey(self, user, job, host): |
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98 | return "%s-%s-%s" % (user, job, host) |
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99 | |
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100 | def writeData(self, parsedUrl): |
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101 | options = parsedUrl[4] |
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102 | serviceInfo = self.server.service.getServiceInfo() |
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103 | users = serviceInfo.keys() |
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104 | users.sort() |
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105 | |
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106 | self.w("<html>") |
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107 | self.w("<body>") |
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108 | self.w("<head>") |
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109 | self.writeCSS() |
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110 | self.w("</head>") |
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111 | self.w('<font class="header2">HOD Service Registry Information</font>') |
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112 | if serviceInfo == {}: |
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113 | self.w('<br><br><font class="header"> No HOD clusters configured.</font>') |
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114 | else: |
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115 | if parsedUrl[2] == '/': |
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116 | self.w(' <table class="main">') |
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117 | count = 0 |
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118 | for user in users: |
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119 | self.writeUserData(user, options, serviceInfo, count) |
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120 | count = count + 1 |
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121 | elif parsedUrl[2][1:] in serviceInfo: |
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122 | self.w(' <table class="main">') |
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123 | self.writeUserData(parsedUrl[2][1:], options, serviceInfo, 0) |
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124 | elif re.match("^\d+$", parsedUrl[2][1:]): |
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125 | jobInfo = self.getJobInfo(parsedUrl[2][1:], serviceInfo) |
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126 | if jobInfo.keys(): |
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127 | self.w(' <table class="main">') |
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128 | for user in jobInfo.keys(): |
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129 | self.writeUserData(user, options, jobInfo, 0) |
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130 | else: |
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131 | self.sendWrongPage(parsedUrl[2][1:]) |
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132 | self.w(' <table class="main">') |
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133 | count = 0 |
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134 | for user in users: |
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135 | self.writeUserData(user, options, serviceInfo, count) |
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136 | count = count + 1 |
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137 | elif re.match("^\w+$", parsedUrl[2][1:]): |
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138 | self.sendWrongPage(parsedUrl[2][1:]) |
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139 | self.w(' <table class="main">') |
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140 | count = 0 |
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141 | for user in users: |
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142 | self.writeUserData(user, options, serviceInfo, count) |
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143 | count = count + 1 |
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144 | else: |
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145 | self.sendWrongPage(False) |
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146 | self.w(' <table class="main">') |
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147 | count = 0 |
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148 | for user in users: |
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149 | self.writeUserData(user, options, serviceInfo, count) |
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150 | count = count + 1 |
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151 | |
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152 | self.w('</table>') |
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153 | self.w("</pre>") |
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154 | self.w("</body>") |
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155 | self.w("</html>") |
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156 | |
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157 | def writeCSS(self): |
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158 | self.w('<style type="text/css">') |
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159 | |
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160 | self.w('table.main { border: 0px; padding: 1; background-color: #E1ECE0; width: 70%; margin: 10; }') |
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161 | self.w('table.sub1 { background-color: #F1F1F1; padding: 0; }') |
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162 | self.w('table.sub2 { background-color: #FFFFFF; padding: 0; }') |
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163 | self.w('table.sub3 { border: 1px solid #EEEEEE; background-color: #FFFFFF; padding: 0; }') |
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164 | self.w('td.header { border-bottom: 1px solid #CCCCCC; padding: 2;}') |
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165 | self.w('td.service1 { border: 0px; background-color: #FFFFFF; padding: 2; width: 10%}') |
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166 | self.w('td.service2 { border: 0px; background-color: #FFFFFF; padding: 2; width: 90%}') |
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167 | self.w('td { vertical-align: top; padding: 0; }') |
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168 | self.w('td.noborder { border-style: none; border-collapse: collapse; }') |
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169 | self.w('tr.colored { background-color: #F1F1F1; }') |
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170 | self.w('font { font-family: Helvetica, Arial, sans-serif; font-size: 10pt; color: #666666; }') |
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171 | self.w('font.header { font-family: Helvetica, Arial, sans-serif; font-size: 10pt; color: #333333; font-style: bold }') |
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172 | self.w('font.header2 { font-family: Helvetica, Arial, sans-serif; font-size: 16pt; color: #333333; }') |
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173 | self.w('font.sml { font-family: Helvetica, Arial, sans-serif; font-size: 8pt; color: #666666; }') |
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174 | self.w('font.alert { font-family: Helvetica, Arial, sans-serif; font-size: 9pt; color: #FF7A22; }') |
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175 | self.w('a { font-family: Helvetica, Arial, sans-serif; text-decoration:none; font-size: 10pt; color: #111111; }') |
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176 | self.w('a:visited { font-family: Helvetica, Arial, sans-serif; color:#2D4628; text-decoration:none; font-size: 10pt; }') |
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177 | self.w('a:hover { font-family: Helvetica, Arial, sans-serif; color:#00A033; text-decoration:none; font-size: 10pt; }') |
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178 | self.w('a.small { font-family: Helvetica, Arial, sans-serif; text-decoration:none; font-size: 8pt }') |
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179 | self.w('a.small:hover { color:#822499; text-decoration:none; font-size: 8pt }') |
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180 | |
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181 | self.w("</style>") |
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182 | |
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183 | def writeUserData(self, user, options, serviceInfo, count): |
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184 | hostInfo = self.getServiceHosts(serviceInfo) |
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185 | hostKey = 'short' |
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186 | if options == 'display=long': |
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187 | hostKey = 'long' |
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188 | |
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189 | if count == 0: |
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190 | self.w('<tr>') |
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191 | self.w('<td class="header" colspan="2">') |
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192 | self.w('<font class="header">Active Users</font>') |
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193 | self.w('</td>') |
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194 | self.w('</tr>') |
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195 | self.w('<tr>') |
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196 | self.w('<td><font>%s</font></td>' % user) |
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197 | self.w('<td>') |
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198 | jobIDs = serviceInfo[user].keys() |
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199 | jobIDs.sort() |
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200 | for jobID in jobIDs: |
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201 | self.w('<table class="sub1" width="100%">') |
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202 | if count == 0: |
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203 | self.w('<tr>') |
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204 | self.w('<td class="header" colspan="2">') |
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205 | self.w('<font class="header">PBS Job Identifiers</font>') |
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206 | self.w('</td>') |
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207 | self.w('</tr>') |
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208 | self.w('<tr>') |
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209 | self.w('<td><font>%s</font></td>' % jobID) |
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210 | self.w('<td>') |
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211 | hosts = serviceInfo[user][jobID].keys() |
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212 | hosts.sort() |
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213 | for host in hosts: |
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214 | if hostInfo[hostKey].has_key(self.getJobKey(user, jobID, host)): |
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215 | self.w('<table class="sub2" width="100%">') |
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216 | if count == 0: |
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217 | self.w('<tr>') |
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218 | self.w('<td class="header" colspan="2">') |
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219 | self.w('<font class="header">Hosts Running Services</font>') |
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220 | self.w('</td>') |
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221 | self.w('</tr>') |
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222 | self.w('<tr>') |
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223 | self.w('<td><font>%s</font></td>' % host) |
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224 | self.w('<td>') |
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225 | self.w('<table class="sub3" width="100%">') |
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226 | self.w('<tr>') |
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227 | self.w('<td colspan="2">') |
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228 | self.w('<font class="header">Service Information</font>') |
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229 | self.w('</td>') |
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230 | self.w('</tr>') |
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231 | for serviceItem in serviceInfo[user][jobID][host]: |
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232 | serviceName = serviceItem.keys() |
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233 | serviceName = serviceName[0] |
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234 | if isinstance(serviceItem[serviceName], dict) and \ |
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235 | options == 'display=long': |
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236 | self.w('<tr class="colored">') |
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237 | self.w('<td><font>%s</font></td>' % serviceName) |
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238 | self.w('<td>') |
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239 | self.w('<table width="100%">') |
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240 | for key in serviceItem[serviceName]: |
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241 | self.w('<tr>') |
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242 | self.w('<td class="service1"><font>%s</font></td>' % key) |
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243 | self.w('<td class="service2"><font>%s</font></td>' % serviceItem[serviceName][key]) |
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244 | self.w('</tr>') |
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245 | self.w('</table>') |
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246 | self.w('</td>') |
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247 | self.w('</tr>') |
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248 | elif isinstance(serviceItem[serviceName], str): |
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249 | self.w('<tr class="colored">') |
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250 | self.w('<td><font class="service1">%s</font></td>' % serviceName) |
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251 | self.w('<td>') |
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252 | (host, port) = serviceItem[serviceName].split(':') |
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253 | hostnameInfo = socket.gethostbyname_ex(host) |
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254 | if serviceName.startswith('mapred'): |
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255 | self.w('<a href="http://%s:%s">Hadoop Job Tracker</a>' % (hostnameInfo[0], port)) |
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256 | elif serviceName.startswith('hdfs'): |
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257 | self.w('<a href="http://%s:%s">HDFS Name Node</a> ' % (hostnameInfo[0], port)) |
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258 | else: |
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259 | self.w('<font class="service2">%s</font>' % serviceItem[serviceName]) |
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260 | self.w('</td>') |
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261 | self.w('</tr>') |
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262 | self.w('</table>') |
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263 | self.w('</td>') |
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264 | self.w('</tr>') |
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265 | self.w('</table>') |
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266 | count = count + 1 |
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267 | self.w('</td>') |
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268 | self.w('</tr>') |
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269 | self.w('</table>') |
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270 | count = count + 1 |
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271 | self.w('</td>') |
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272 | self.w('</tr>') |
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273 | # self.w("<pre>") |
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274 | # self.w(pprint.pformat(serviceInfo)) |
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275 | # self.w("</pre>") |
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276 | |
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277 | class baseSocketServer: |
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278 | def __init__(self, host, ports): |
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279 | self.host = host |
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280 | self.ports = ports |
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281 | self.__stopForever = threading.Event() |
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282 | self.__stopForever.clear() |
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283 | self.__run = threading.Event() |
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284 | self.__run.set() |
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285 | self.server_address = () |
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286 | self.mThread = None |
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287 | |
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288 | def server_bind(self): |
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289 | """server_bind() method binds to a random range of ports.""" |
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290 | |
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291 | self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) |
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292 | |
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293 | if len(self.ports) > 1: |
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294 | randomPort = Random(os.getpid()) |
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295 | portSequence = range(self.ports[0], self.ports[1]) |
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296 | |
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297 | maxTryCount = abs(self.ports[0] - self.ports[1]) |
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298 | tryCount = 0 |
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299 | while True: |
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300 | somePort = randomPort.choice(portSequence) |
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301 | self.server_address = (self.host, somePort) |
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302 | try: |
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303 | self.socket.bind(self.server_address) |
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304 | except socket.gaierror, errData: |
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305 | raise socket.gaierror, errData |
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306 | except: |
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307 | tryCount = tryCount + 1 |
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308 | if tryCount > maxTryCount: |
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309 | bindError = "bind failure for port range %s:%d" % ( |
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310 | self.ports) |
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311 | |
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312 | raise socket.error, bindError |
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313 | else: |
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314 | break |
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315 | else: |
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316 | self.server_address = (self.host, int(self.ports[0])) |
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317 | self.socket.bind(self.server_address) |
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318 | |
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319 | if self.host == '': |
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320 | self.server_address = (local_fqdn(), self.server_address[1]) |
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321 | |
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322 | def _serve_forever(self): |
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323 | """Replacement for serve_forever loop. |
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324 | |
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325 | All baseSocketServers run within a master thread; that thread |
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326 | imitates serve_forever, but checks an event (self.__stopForever) |
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327 | before processing new connections. |
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328 | """ |
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329 | |
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330 | while not self.__stopForever.isSet(): |
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331 | (rlist, wlist, xlist) = select([self.socket], [], [], |
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332 | 1) |
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333 | |
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334 | if (len(rlist) > 0 and self.socket == rlist[0]): |
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335 | self.handle_request() |
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336 | |
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337 | while not self.__run.isSet(): |
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338 | if self.__stopForever.isSet(): |
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339 | break |
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340 | time.sleep(1) |
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341 | |
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342 | self.server_close() |
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343 | |
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344 | return True |
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345 | |
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346 | def serve_forever(self): |
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347 | """Handle requests until stopForever event flag indicates stop.""" |
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348 | |
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349 | self.mThread = threading.Thread(name="baseSocketServer", |
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350 | target=self._serve_forever) |
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351 | self.mThread.start() |
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352 | |
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353 | return self.mThread |
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354 | |
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355 | def pause(self): |
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356 | """Temporarily stop servicing requests.""" |
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357 | |
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358 | self.__run.clear() |
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359 | |
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360 | def cont(self): |
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361 | """Resume servicing requests.""" |
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362 | |
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363 | self.__run.set() |
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364 | |
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365 | def stop(self): |
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366 | """Set the stopForever flag to tell serve_forever() to exit.""" |
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367 | |
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368 | self.__stopForever.set() |
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369 | if self.mThread: self.mThread.join() |
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370 | return True |
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371 | |
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372 | def is_alive(self): |
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373 | if self.mThread != None: |
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374 | return self.mThread.isAlive() |
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375 | else: |
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376 | return False |
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377 | |
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378 | class threadedHTTPServer(baseSocketServer, ThreadingMixIn, HTTPServer): |
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379 | def __init__(self, host, ports): |
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380 | baseSocketServer.__init__(self, host, ports) |
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381 | HTTPServer.__init__(self, self.server_address, SimpleHTTPRequestHandler) |
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382 | |
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383 | class forkingHTTPServer(baseSocketServer, ForkingMixIn, HTTPServer): |
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384 | def __init__(self, host, ports): |
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385 | baseSocketServer.__init__(self, host, ports) |
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386 | HTTPServer.__init__(self, self.server_address, SimpleHTTPRequestHandler) |
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387 | |
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388 | class hodHTTPServer(baseSocketServer, ThreadingMixIn, HTTPServer): |
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389 | service = None |
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390 | def __init__(self, host, ports, serviceobj = None): |
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391 | self.service = serviceobj |
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392 | baseSocketServer.__init__(self, host, ports) |
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393 | HTTPServer.__init__(self, self.server_address, hodHTTPHandler) |
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394 | |
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395 | def finish_request(self, request, client_address): |
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396 | self.RequestHandlerClass(request, client_address, self, self.service) |
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397 | |
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398 | class hodXMLRPCServer(baseSocketServer, ThreadingMixIn, SimpleXMLRPCServer): |
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399 | def __init__(self, host, ports, |
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400 | requestHandler=SimpleXMLRPCRequestHandler, |
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401 | logRequests=False, allow_none=False, encoding=None): |
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402 | baseSocketServer.__init__(self, host, ports) |
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403 | SimpleXMLRPCServer.__init__(self, self.server_address, requestHandler, |
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404 | logRequests) |
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405 | |
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406 | self.register_function(self.stop, 'stop') |
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407 | |
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408 | try: |
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409 | from twisted.web import server, xmlrpc |
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410 | from twisted.internet import reactor, defer |
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411 | from twisted.internet.threads import deferToThread |
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412 | from twisted.python import log |
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413 | |
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414 | class twistedXMLRPC(xmlrpc.XMLRPC): |
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415 | def __init__(self, logger): |
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416 | xmlrpc.XMLRPC.__init__(self) |
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417 | |
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418 | self.__XRMethods = {} |
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419 | self.__numRequests = 0 |
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420 | self.__logger = logger |
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421 | self.__pause = False |
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422 | |
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423 | def render(self, request): |
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424 | request.content.seek(0, 0) |
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425 | args, functionPath = xmlrpclib.loads(request.content.read()) |
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426 | try: |
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427 | function = self._getFunction(functionPath) |
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428 | except Fault, f: |
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429 | self._cbRender(f, request) |
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430 | else: |
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431 | request.setHeader("content-type", "text/xml") |
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432 | defer.maybeDeferred(function, *args).addErrback( |
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433 | self._ebRender).addCallback(self._cbRender, request) |
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434 | |
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435 | return server.NOT_DONE_YET |
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436 | |
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437 | def _cbRender(self, result, request): |
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438 | if isinstance(result, xmlrpc.Handler): |
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439 | result = result.result |
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440 | if not isinstance(result, Fault): |
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441 | result = (result,) |
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442 | try: |
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443 | s = xmlrpclib.dumps(result, methodresponse=1) |
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444 | except: |
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445 | f = Fault(self.FAILURE, "can't serialize output") |
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446 | s = xmlrpclib.dumps(f, methodresponse=1) |
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447 | request.setHeader("content-length", str(len(s))) |
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448 | request.write(s) |
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449 | request.finish() |
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450 | |
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451 | def _ebRender(self, failure): |
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452 | if isinstance(failure.value, Fault): |
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453 | return failure.value |
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454 | log.err(failure) |
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455 | return Fault(self.FAILURE, "error") |
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456 | |
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457 | def _getFunction(self, methodName): |
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458 | while self.__pause: |
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459 | time.sleep(1) |
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460 | |
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461 | self.__numRequests = self.__numRequests + 1 |
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462 | function = None |
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463 | try: |
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464 | def defer_function(*args): |
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465 | return deferToThread(self.__XRMethods[methodName], |
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466 | *args) |
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467 | function = defer_function |
---|
468 | self.__logger.info( |
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469 | "[%s] processing defered XML-RPC call to: %s ..." % |
---|
470 | (self.__numRequests, methodName)) |
---|
471 | except KeyError: |
---|
472 | self.__logger.warn( |
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473 | "[%s] fault %s on XML-RPC call to %s, method not found." % ( |
---|
474 | self.__numRequests, self.NOT_FOUND, methodName)) |
---|
475 | raise xmlrpc.NoSuchFunction(self.NOT_FOUND, |
---|
476 | "method %s not found" % methodName) |
---|
477 | |
---|
478 | return function |
---|
479 | |
---|
480 | def register_function(self, functionRef, methodName): |
---|
481 | self.__XRMethods[methodName] = functionRef |
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482 | |
---|
483 | def list_methods(self): |
---|
484 | return self.__XRMethods.keys() |
---|
485 | |
---|
486 | def num_requests(self): |
---|
487 | return self.__numRequests |
---|
488 | |
---|
489 | def pause(self): |
---|
490 | self.__pause = True |
---|
491 | |
---|
492 | def cont(self): |
---|
493 | self.__pause = False |
---|
494 | |
---|
495 | class twistedXMLRPCServer: |
---|
496 | def __init__(self, host, ports, logger=None, threadPoolSize=100): |
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497 | self.__host = host |
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498 | self.__ports = ports |
---|
499 | |
---|
500 | if logger == None: |
---|
501 | logger = hodDummyLogger() |
---|
502 | |
---|
503 | self.__logger = logger |
---|
504 | |
---|
505 | self.server_address = ['', ''] |
---|
506 | reactor.suggestThreadPoolSize(threadPoolSize) |
---|
507 | |
---|
508 | self.__stopForever = threading.Event() |
---|
509 | self.__stopForever.clear() |
---|
510 | self.__mThread = None |
---|
511 | |
---|
512 | self.__xmlrpc = twistedXMLRPC(self.__logger) |
---|
513 | |
---|
514 | def _serve_forever(self): |
---|
515 | if len(self.__ports) > 1: |
---|
516 | randomPort = Random(os.getpid()) |
---|
517 | portSequence = range(self.__ports[0], self.__ports[1]) |
---|
518 | |
---|
519 | maxTryCount = abs(self.__ports[0] - self.__ports[1]) |
---|
520 | tryCount = 0 |
---|
521 | while True: |
---|
522 | somePort = randomPort.choice(portSequence) |
---|
523 | self.server_address = (self.__host, int(somePort)) |
---|
524 | if self.__host == '': |
---|
525 | self.server_address = (local_fqdn(), self.server_address[1]) |
---|
526 | try: |
---|
527 | reactor.listenTCP(int(somePort), server.Site( |
---|
528 | self.__xmlrpc), interface=self.__host) |
---|
529 | reactor.run(installSignalHandlers=0) |
---|
530 | except: |
---|
531 | self.__logger.debug("Failed to bind to: %s:%s." % ( |
---|
532 | self.__host, somePort)) |
---|
533 | tryCount = tryCount + 1 |
---|
534 | if tryCount > maxTryCount: |
---|
535 | self.__logger.warn("Failed to bind to: %s:%s" % ( |
---|
536 | self.__host, self.__ports)) |
---|
537 | sys.exit(1) |
---|
538 | else: |
---|
539 | break |
---|
540 | else: |
---|
541 | try: |
---|
542 | self.server_address = (self.__host, int(self.__ports[0])) |
---|
543 | if self.__host == '': |
---|
544 | self.server_address = (local_fqdn(), self.server_address[1]) |
---|
545 | reactor.listenTCP(int(self.__ports[0]), server.Site(self.__xmlrpc), |
---|
546 | interface=self.__host) |
---|
547 | reactor.run(installSignalHandlers=0) |
---|
548 | except: |
---|
549 | self.__logger.warn("Failed to bind to: %s:%s."% ( |
---|
550 | self.__host, self.__ports[0])) |
---|
551 | sys.exit(1) |
---|
552 | |
---|
553 | def serve_forever(self): |
---|
554 | """Handle requests until stopForever event flag indicates stop.""" |
---|
555 | |
---|
556 | self.__mThread = threading.Thread(name="XRServer", |
---|
557 | target=self._serve_forever) |
---|
558 | self.__mThread.start() |
---|
559 | |
---|
560 | if not self.__mThread.isAlive(): |
---|
561 | raise Exception("Twisted XMLRPC server thread dead.") |
---|
562 | |
---|
563 | def register_function(self, functionRef, methodName): |
---|
564 | self.__xmlrpc.register_function(functionRef, methodName) |
---|
565 | |
---|
566 | def register_introspection_functions(self): |
---|
567 | pass |
---|
568 | |
---|
569 | def register_instance(self, instance): |
---|
570 | for method in dir(instance): |
---|
571 | if not method.startswith('_'): |
---|
572 | self.register_function(getattr(instance, method), method) |
---|
573 | |
---|
574 | def pause(self): |
---|
575 | self.__xmlrpc.pause() |
---|
576 | |
---|
577 | def cont(self): |
---|
578 | self.__xmlrpc.cont() |
---|
579 | |
---|
580 | def stop(self): |
---|
581 | def stop_thread(): |
---|
582 | time.sleep(2) |
---|
583 | reactor.stop() |
---|
584 | |
---|
585 | self.__stopForever.set() |
---|
586 | |
---|
587 | stopThread = threading.Thread(name='XRStop', target=stop_thread) |
---|
588 | stopThread.start() |
---|
589 | |
---|
590 | return True |
---|
591 | |
---|
592 | def is_alive(self): |
---|
593 | status = False |
---|
594 | if reactor.running == 1: |
---|
595 | status = True |
---|
596 | |
---|
597 | return status |
---|
598 | |
---|
599 | def status(self): |
---|
600 | """Return status information on running XMLRPC Server.""" |
---|
601 | stat = { 'XR server address' : self.server_address, |
---|
602 | 'XR methods' : self.system_listMethods(), |
---|
603 | 'XR server alive' : self.is_alive(), |
---|
604 | 'XR requests processed' : self.__xmlrpc.num_requests(), |
---|
605 | 'XR server stop flag' : self.__stopForever.isSet()} |
---|
606 | return(stat) |
---|
607 | |
---|
608 | def system_listMethods(self): |
---|
609 | return self.__xmlrpc.list_methods() |
---|
610 | |
---|
611 | def get_server_address(self): |
---|
612 | waitCount = 0 |
---|
613 | while self.server_address == '': |
---|
614 | if waitCount == 9: |
---|
615 | break |
---|
616 | time.sleep(1) |
---|
617 | waitCount = waitCount + 1 |
---|
618 | |
---|
619 | return self.server_address |
---|
620 | except ImportError: |
---|
621 | pass |
---|