1 | #!/usr/local/bin/python |
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2 | |
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3 | import re |
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4 | |
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5 | class base: |
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6 | @staticmethod |
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7 | def init_class(c, arg): |
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8 | if isinstance(arg, dict): |
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9 | try: |
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10 | return c(**arg) |
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11 | except: |
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12 | print "%s" % arg |
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13 | raise |
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14 | elif isinstance(arg, c): |
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15 | return arg |
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16 | else: |
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17 | return None |
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18 | |
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19 | @staticmethod |
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20 | def make_list(a): |
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21 | if isinstance(a, basestring) or isinstance(a, dict): return [ a ] |
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22 | elif getattr(a, '__iter__', None): return a |
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23 | else: return [ a ] |
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24 | |
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25 | def get_attribute(self, key): |
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26 | rv = None |
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27 | attrs = getattr(self, 'attribute', None) |
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28 | if attrs: |
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29 | for a in attrs: |
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30 | if a.attribute == key: |
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31 | rv = a.value |
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32 | break |
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33 | return rv |
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34 | |
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35 | def set_attribute(self, key, value): |
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36 | attrs = getattr(self, 'attribute', None) |
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37 | if attrs is None: |
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38 | return |
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39 | for a in attrs: |
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40 | if a.attribute == key: |
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41 | a.value = value |
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42 | break |
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43 | else: |
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44 | attrs.append(Attribute(key, value)) |
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45 | |
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46 | class ConsistencyError(RuntimeError): pass |
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47 | |
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48 | class Attribute(base): |
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49 | def __init__(self, attribute, value): |
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50 | self.attribute = attribute |
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51 | self.value = value |
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52 | |
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53 | def clone(self): |
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54 | return Attribute(attribute=self.attribute, value=self.value) |
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55 | |
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56 | def to_dict(self): |
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57 | return { 'attribute': self.attribute, 'value': self.value } |
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58 | |
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59 | class Capacity(base): |
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60 | def __init__(self, rate, kind): |
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61 | self.rate = float(rate) |
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62 | self.kind = kind |
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63 | |
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64 | def clone(self): |
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65 | return Capacity(rate=self.rate, kind=self.kind) |
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66 | |
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67 | def to_dict(self): |
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68 | return { 'rate': float(self.rate), 'kind': self.kind } |
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69 | |
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70 | class Latency(base): |
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71 | def __init__(self, time, kind): |
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72 | self.time = float(time) |
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73 | self.kind = kind |
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74 | |
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75 | def clone(self): |
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76 | return Latency(time=self.time, kind=self.kind) |
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77 | |
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78 | def to_dict(self): |
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79 | return { 'time': float(self.time), 'kind': self.kind } |
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80 | |
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81 | class Substrate(base): |
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82 | def __init__(self, name, capacity=None, latency=None, attribute=[]): |
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83 | self.name = name |
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84 | self.capacity = self.init_class(Capacity, capacity) |
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85 | self.latency = self.init_class(Latency, latency) |
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86 | self.attribute = [ self.init_class(Attribute, a) \ |
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87 | for a in self.make_list(attribute) ] |
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88 | self.interfaces = [ ] |
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89 | |
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90 | def clone(self): |
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91 | if self.capacity: c = self.capacity.clone() |
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92 | else: c = None |
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93 | |
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94 | if self.latency: l = self.latency.clone() |
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95 | else: l = None |
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96 | |
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97 | return Substrate(name=self.name, |
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98 | capacity=c, |
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99 | latency=l, |
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100 | attribute = [a.clone() for a in self.attribute]) |
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101 | |
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102 | def to_dict(self): |
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103 | rv = { 'name': self.name } |
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104 | if self.capacity: |
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105 | rv['capacity'] = self.capacity.to_dict() |
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106 | if self.latency: |
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107 | rv['latency'] = self.latency.to_dict() |
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108 | if self.attribute: |
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109 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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110 | return rv |
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111 | |
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112 | class CPU(base): |
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113 | def __init__(self, type, attribute=[]): |
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114 | self.type = type |
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115 | self.attribute = [ self.init_class(Attribute, a) for a in \ |
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116 | self.make_list(attribute) ] |
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117 | |
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118 | def clone(self): |
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119 | return CPU(type=self.type, |
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120 | attribute = [a.clone() for a in self.attribute]) |
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121 | |
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122 | def to_dict(self): |
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123 | rv = { 'type': self.type} |
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124 | if self.attribute: |
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125 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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126 | return rv |
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127 | |
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128 | class Storage(base): |
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129 | def __init__(self, amount, persistence, attribute=[]): |
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130 | self.amount = float(amount) |
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131 | self.presistence = persistence |
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132 | self.attribute = [ self.init_class(Attribute, a) \ |
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133 | for a in self.make_list(attribute) ] |
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134 | |
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135 | def clone(self): |
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136 | return Storage(amount=self.amount, persistence=self.persistence, |
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137 | attribute = [a.clone() for a in self.attribute]) |
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138 | |
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139 | def to_dict(self): |
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140 | rv = { 'amount': float(self.amount), 'persistence': self.persistence } |
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141 | if self.attribute: |
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142 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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143 | return rv |
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144 | |
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145 | class OperatingSystem(base): |
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146 | def __init__(self, name=None, version=None, distribution=None, |
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147 | distributionversion=None, attribute=[]): |
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148 | self.name = name |
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149 | self.version = version |
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150 | self.distribution = distribution |
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151 | self.distributionversion = distributionversion |
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152 | self.attribute = [ self.init_class(Attribute, a) \ |
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153 | for a in self.make_list(attribute) ] |
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154 | |
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155 | def clone(self): |
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156 | return OperatingSystem(name=self.name, |
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157 | version=self.version, |
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158 | distribution=self.distribution, |
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159 | distributionversion=self.distributionversion, |
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160 | attribute = [ a.clone() for a in self.attribute]) |
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161 | |
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162 | def to_dict(self): |
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163 | rv = { } |
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164 | if self.name: rv['name'] = self.name |
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165 | if self.version: rv['version'] = self.version |
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166 | if self.distribution: rv['version'] = self.distribution |
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167 | if self.distributionversion: rv['version'] = self.distributionversion |
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168 | if self.attribute: |
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169 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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170 | return rv |
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171 | |
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172 | class Software(base): |
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173 | def __init__(self, location, install=None, attribute=[]): |
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174 | self.location = location |
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175 | self.install = install |
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176 | self.attribute = [ self.init_class(Attribute, a)\ |
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177 | for a in self.make_list(attribute) ] |
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178 | |
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179 | def clone(self): |
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180 | return Software(location=self.location, install=self.install, |
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181 | attribute=[a.clone() for a in self.attribute]) |
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182 | |
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183 | def to_dict(self): |
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184 | rv = { 'location': self.location } |
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185 | if self.install: rv['install'] = self.install |
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186 | if self.attribute: |
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187 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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188 | return rv |
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189 | |
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190 | class Interface(base): |
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191 | def __init__(self, substrate, capacity=None, latency=None, attribute=[], |
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192 | element=None): |
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193 | self.substrate = self.make_list(substrate) |
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194 | self.capacity = self.init_class(Capacity, capacity) |
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195 | self.latency = self.init_class(Latency, latency) |
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196 | self.attribute = [ self.init_class(Attribute, a) \ |
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197 | for a in self.make_list(attribute) ] |
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198 | self.element = element |
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199 | self.subs = [ ] |
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200 | |
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201 | def clone(self): |
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202 | if self.capacity: c = self.capacity.clone() |
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203 | else: c = None |
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204 | |
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205 | if self.latency: l = self.latency.clone() |
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206 | else: l = None |
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207 | |
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208 | return Interface(substrate=self.substrate, |
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209 | capacity=c, latency=l, |
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210 | attribute = [ a.clone() for a in self.attribute]) |
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211 | |
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212 | def to_dict(self): |
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213 | rv = { 'substrate': self.substrate } |
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214 | if self.capacity: |
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215 | rv['capacity'] = self.capacity.to_dict() |
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216 | if self.latency: |
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217 | rv['latency'] = self.latency.to_dict() |
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218 | if self.attribute: |
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219 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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220 | return rv |
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221 | |
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222 | class ID(base): |
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223 | def __init__(self, fedid=None, uuid=None, uri=None, localname=None, |
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224 | kerberosUsername=None): |
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225 | self.fedid=fedid |
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226 | self.uuid = uuid |
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227 | self.uri = uri |
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228 | self.localname = localname |
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229 | self.kerberosUsername = kerberosUsername |
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230 | |
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231 | def clone(self): |
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232 | return ID(self.fedid, self.uuid, self.uri, self.localname, |
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233 | self.kerberosUsername) |
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234 | |
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235 | def to_dict(self): |
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236 | rv = { } |
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237 | if self.fedid: rv['fedid'] = self.fedid |
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238 | if self.uuid: rv['uuid'] = self.uuid |
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239 | if self.uri: rv['uri'] = self.uri |
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240 | if self.localname: rv['localname'] = self.localname |
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241 | if self.kerberosUsername: rv['kerberosUsername'] = self.kerberosUsername |
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242 | return rv |
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243 | |
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244 | class Computer(base): |
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245 | def __init__(self, name=[], cpu=[], os=[], software=[], storage=[], |
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246 | interface=[], attribute=[]): |
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247 | def assign_element(i): |
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248 | i.element = self |
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249 | |
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250 | self.name = self.make_list(name) |
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251 | self.cpu = [ self.init_class(CPU, c) for c in self.make_list(cpu) ] |
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252 | self.os = [ self.init_class(OperatingSystem, c) \ |
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253 | for c in self.make_list(os) ] |
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254 | self.software = [ self.init_class(Software, c) \ |
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255 | for c in self.make_list(software) ] |
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256 | self.storage = [ self.init_class(Storage, c) \ |
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257 | for c in self.make_list(storage) ] |
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258 | self.interface = [ self.init_class(Interface, c) \ |
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259 | for c in self.make_list(interface) ] |
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260 | self.attribute = [ self.init_class(Attribute, a) \ |
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261 | for a in self.make_list(attribute) ] |
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262 | map(assign_element, self.interface) |
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263 | |
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264 | def clone(self): |
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265 | return Computer(name=self.name, |
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266 | cpu=[x.clone() for x in self.cpu], |
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267 | os=[x.clone() for x in self.os], |
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268 | software=[x.clone() for x in self.software], |
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269 | storage=[x.clone() for x in self.storage], |
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270 | interface=[x.clone() for x in self.interface], |
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271 | attribute=[x.clone() for x in self.attribute]) |
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272 | |
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273 | def to_dict(self): |
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274 | rv = { } |
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275 | if self.name: |
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276 | rv['name'] = self.name |
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277 | if self.cpu: |
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278 | rv['cpu'] = [ c.to_dict() for c in self.cpu ] |
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279 | if self.os: |
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280 | rv['os'] = [ o.to_dict() for o in self.os ] |
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281 | if self.software: |
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282 | rv['software'] = [ s.to_dict() for s in self.software ] |
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283 | if self.storage: |
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284 | rv['storage'] = [ s.to_dict for s in self.storage ] |
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285 | if self.interface: |
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286 | rv['interface'] = [ i.to_dict() for i in self.interface ] |
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287 | if self.attribute: |
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288 | rv['attribute'] = [ i.to_dict() for i in self.attribute ] |
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289 | return { 'computer': rv } |
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290 | |
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291 | |
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292 | class Testbed(base): |
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293 | def __init__(self, uri, type, interface=[], attribute=[]): |
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294 | self.uri = uri |
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295 | self.type = type |
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296 | self.interface = [ self.init_class(Interface, c) \ |
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297 | for c in self.make_list(interface) ] |
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298 | self.attribute = [ self.init_class(Attribute, c) \ |
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299 | for c in self.make_list(attribute) ] |
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300 | |
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301 | def clone(self): |
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302 | return Testbed(self.uri, self.type, |
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303 | interface=[i.clone() for i in self.interface], |
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304 | attribute=[a.cone() for a in self.attribute]) |
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305 | |
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306 | def to_dict(self): |
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307 | rv = { } |
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308 | if self.uri: rv['uri'] = self.uri |
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309 | if self.type: rv['type'] = self.type |
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310 | if self.interface: |
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311 | rv['interface'] = [ i.to_dict() for i in self.interface] |
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312 | if self.attribute: |
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313 | rv['attribute'] = [ a.to_dict() for a in self.attribute] |
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314 | return { 'testbed': rv } |
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315 | |
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316 | class Segment(base): |
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317 | def __init__(self, id, type, uri, interface=[], attribute=[]): |
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318 | self.id = self.init_class(ID, id) |
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319 | self.type = type |
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320 | self.uri = uri |
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321 | self.interface = [ self.init_class(Interface, c) \ |
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322 | for c in self.make_list(interface) ] |
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323 | self.attribute = [ self.init_class(Attribute, c) \ |
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324 | for c in self.make_list(attribute) ] |
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325 | |
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326 | def clone(self): |
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327 | return Segment(self.id.clone(), self.type, self.uri, |
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328 | interface=[i.clone() for i in self.interface], |
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329 | attribute=[a.clone() for a in self.attribute]) |
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330 | |
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331 | def to_dict(self): |
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332 | rv = { } |
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333 | if self.id: rv['id'] = self.id.to_dict() |
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334 | if self.type: rv['type'] = self.type |
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335 | if self.uri: rv['uri'] = self.uri |
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336 | if self.interface: |
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337 | rv['interface'] = [ i.to_dict() for i in self.interface ] |
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338 | if self.attribute: |
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339 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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340 | return { 'segment': rv } |
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341 | |
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342 | |
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343 | class Other(base): |
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344 | def __init__(self, interface=[], attribute=[]): |
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345 | self.interface = [ self.init_class(Interface, c) \ |
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346 | for c in self.make_list(interface) ] |
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347 | self.attribute = [ self.init_class(Attribute, c) \ |
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348 | for c in self.make_list(attribute) ] |
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349 | |
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350 | def clone(self): |
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351 | return Other(interface=[i.clone() for i in self.interface], |
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352 | attribute=[a.clone() for a in attribute]) |
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353 | |
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354 | def to_dict(self): |
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355 | rv = {} |
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356 | if self.interface: |
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357 | rv['interface'] = [ i.to_dict() for i in self.interface ] |
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358 | if self.attribute: |
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359 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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360 | return {'other': rv } |
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361 | |
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362 | |
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363 | class Topology(base): |
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364 | @staticmethod |
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365 | def init_element(e): |
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366 | """ |
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367 | e should be of the form { typename: args } where args is a dict full of |
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368 | the right parameters to initialize the element. e should have only one |
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369 | key, but we walk e's keys in an arbitrary order and instantiate the |
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370 | first key we know how to. |
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371 | """ |
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372 | classmap = { |
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373 | 'computer': Computer, |
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374 | 'testbed': Testbed, |
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375 | 'segment': Segment, |
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376 | 'other': Other, |
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377 | } |
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378 | |
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379 | if isinstance(e, dict): |
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380 | for k in e.keys(): |
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381 | cl = classmap.get(k, None) |
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382 | if cl: return cl(**e[k]) |
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383 | else: |
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384 | return e |
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385 | |
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386 | def __init__(self, substrates=[], elements=[]): |
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387 | self.substrates = [ self.init_class(Substrate, s) \ |
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388 | for s in self.make_list(substrates) ] |
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389 | self.elements = [ self.init_element(e) \ |
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390 | for e in self.make_list(elements) ] |
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391 | self.incorporate_elements() |
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392 | |
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393 | def incorporate_elements(self): |
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394 | |
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395 | # Could to this init in one gulp, but we want to look for duplicate |
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396 | # substrate names |
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397 | substrate_map = { } |
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398 | for s in self.substrates: |
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399 | s.interfaces = [ ] |
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400 | if not substrate_map.has_key(s.name): |
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401 | substrate_map[s.name] = s |
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402 | else: |
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403 | raise ConsistencyError("Duplicate substrate name %s" % s.name) |
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404 | |
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405 | for e in self.elements: |
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406 | for i in e.interface: |
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407 | i.element = e |
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408 | i.subs = [ ] |
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409 | for sn in i.substrate: |
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410 | # NB, interfaces have substrate names in their substrate |
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411 | # attribute. |
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412 | if substrate_map.has_key(sn): |
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413 | sub = substrate_map[sn] |
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414 | i.subs.append(sub) |
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415 | sub.interfaces.append(i) |
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416 | else: |
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417 | raise ConsistencyError("No such substrate for %s" % sn) |
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418 | |
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419 | def clone(self): |
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420 | return Topology(substrates=[s.clone() for s in self.substrates], |
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421 | elements=[e.clone() for e in self.elements]) |
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422 | |
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423 | |
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424 | def make_indices(self): |
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425 | sub_index = dict([(s.name, s) for s in self.substrates]) |
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426 | elem_index = dict([(n, e) for e in self.elements for n in e.name]) |
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427 | |
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428 | def to_dict(self): |
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429 | rv = { } |
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430 | if self.substrates: |
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431 | rv['substrates'] = [ s.to_dict() for s in self.substrates ] |
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432 | if self.elements: |
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433 | rv['elements'] = [ s.to_dict() for s in self.elements ] |
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434 | return rv |
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435 | |
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436 | def topology_from_xml(string=None, file=None, filename=None, top="topology"): |
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437 | import xml.parsers.expat |
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438 | |
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439 | class parser: |
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440 | def __init__(self): |
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441 | self.stack = [ ] |
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442 | self.chars = "" |
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443 | self.key = "" |
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444 | self.have_chars = False |
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445 | self.current = { } |
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446 | self.in_cdata = False |
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447 | |
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448 | def start_element(self, name, attrs): |
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449 | self.chars = "" |
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450 | self.have_chars = False |
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451 | self.key = str(name) |
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452 | self.stack.append((self.current, self.key)) |
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453 | self.current = { } |
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454 | |
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455 | def end_element(self, name): |
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456 | if self.have_chars: |
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457 | self.chars = self.chars.strip() |
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458 | if len(self.chars) >0: |
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459 | addit = self.chars |
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460 | else: |
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461 | addit = self.current |
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462 | else: |
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463 | addit = self.current |
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464 | |
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465 | parent, key = self.stack.pop() |
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466 | if parent.has_key(key): |
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467 | if isinstance(parent[key], list): |
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468 | parent[key].append(addit) |
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469 | else: |
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470 | parent[key] = [parent[key], addit] |
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471 | else: |
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472 | parent[key] = addit |
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473 | self.current = parent |
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474 | self.key = key |
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475 | |
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476 | self.chars = "" |
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477 | self.have_chars = False |
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478 | |
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479 | def char_data(self, data): |
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480 | self.have_chars = True |
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481 | self.chars += data |
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482 | |
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483 | p = parser() |
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484 | xp = xml.parsers.expat.ParserCreate() |
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485 | |
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486 | xp.StartElementHandler = p.start_element |
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487 | xp.EndElementHandler = p.end_element |
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488 | xp.CharacterDataHandler = p.char_data |
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489 | |
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490 | num_set = len([ x for x in (string, filename, file)\ |
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491 | if x is not None ]) |
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492 | |
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493 | if num_set != 1: |
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494 | raise RuntimeError("Exactly one one of file, filename and string " + \ |
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495 | "must be set") |
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496 | elif filename: |
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497 | f = open(filename, "r") |
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498 | xp.ParseFile(f) |
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499 | f.close() |
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500 | elif file: |
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501 | xp.ParseFile(file) |
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502 | elif string: |
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503 | xp.Parse(string, isfinal=True) |
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504 | else: |
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505 | return None |
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506 | |
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507 | return Topology(**p.current[top]) |
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508 | |
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509 | def topology_to_xml(t, top=None): |
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510 | """ |
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511 | Print the topology as XML. This is quick and dirty, but should work for |
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512 | many purposes. Convert the topology to a dict and print it recursively. |
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513 | """ |
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514 | from xml.sax.saxutils import escape |
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515 | |
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516 | def dict_to_xml(e, top=None): |
---|
517 | if top: rv = "<%s>" % top |
---|
518 | else: rv = "" |
---|
519 | |
---|
520 | for k in e.keys(): |
---|
521 | if isinstance(e[k], (basestring, int, float, long)): |
---|
522 | rv += "<%s>%s</%s>" % (k, escape(e[k]), k) |
---|
523 | elif isinstance(e[k], dict): |
---|
524 | rv += "<%s>%s</%s>" % (k, dict_to_xml(e[k]), k) |
---|
525 | elif getattr(e[k], '__iter__', None): |
---|
526 | for ee in e[k]: |
---|
527 | if isinstance(ee, dict): |
---|
528 | rv += "<%s>%s</%s>" % (k, dict_to_xml(ee), k) |
---|
529 | else: |
---|
530 | rv += "<%s>%s</%s>" % (k, escape(ee), k) |
---|
531 | else: |
---|
532 | raise ConsistencyError("What is this?? %s %s" % (k, e[k])) |
---|
533 | if top: rv += "</%s>" % top |
---|
534 | return rv |
---|
535 | |
---|
536 | return dict_to_xml(t.to_dict(), top) |
---|
537 | |
---|
538 | |
---|
539 | def topology_to_vtopo(t): |
---|
540 | nodes = [ ] |
---|
541 | lans = [ ] |
---|
542 | |
---|
543 | for eidx, e in enumerate(t.elements): |
---|
544 | if e.name: name = e.name[0] |
---|
545 | else: name = "unnamed_node%d" % eidx |
---|
546 | |
---|
547 | ips = [ ] |
---|
548 | for idx, i in enumerate(e.interface): |
---|
549 | ip = i.get_attribute('ip4_address') |
---|
550 | ips.append(ip) |
---|
551 | port = "%s:%d" % (name, idx) |
---|
552 | for idx, s in enumerate(i.subs): |
---|
553 | bw = 100000 |
---|
554 | delay = 0.0 |
---|
555 | if s.capacity: |
---|
556 | bw = s.capacity.rate |
---|
557 | if i.capacity: |
---|
558 | bw = i.capacity.rate |
---|
559 | |
---|
560 | if s.latency: |
---|
561 | delay = s.latency.time |
---|
562 | if i.latency: |
---|
563 | bw = i.latency.time |
---|
564 | |
---|
565 | lans.append({ |
---|
566 | 'member': port, |
---|
567 | 'vname': s.name, |
---|
568 | 'ip': ip, |
---|
569 | 'vnode': name, |
---|
570 | 'delay': delay, |
---|
571 | 'bandwidth': bw, |
---|
572 | }) |
---|
573 | nodes.append({ |
---|
574 | 'ips': ":".join(ips), |
---|
575 | 'vname': name, |
---|
576 | }) |
---|
577 | |
---|
578 | return { 'node': nodes, 'lan': lans } |
---|
579 | |
---|
580 | def to_tcl_name(n): |
---|
581 | t = re.sub('-(\d+)', '(\1)', n) |
---|
582 | return t |
---|
583 | |
---|
584 | def generate_portal_command_filter(cmd): |
---|
585 | def rv(e): |
---|
586 | s ="" |
---|
587 | if isinstance(e, Computer): |
---|
588 | gw = e.get_attribute('portal') |
---|
589 | if gw: |
---|
590 | s = "%s $%s\n" % (cmd, to_tcl_name(e.name[0])) |
---|
591 | return s |
---|
592 | return rv |
---|
593 | |
---|
594 | def generate_portal_image_filter(image): |
---|
595 | def rv(e): |
---|
596 | s ="" |
---|
597 | if isinstance(e, Computer): |
---|
598 | gw = e.get_attribute('portal') |
---|
599 | if gw: |
---|
600 | s = "tb-set-node-os $%s %s\n" % (to_tcl_name(e.name[0]), image) |
---|
601 | return s |
---|
602 | return rv |
---|
603 | |
---|
604 | def generate_portal_hardware_filter(type): |
---|
605 | def rv(e): |
---|
606 | s ="" |
---|
607 | if isinstance(e, Computer): |
---|
608 | gw = e.get_attribute('portal') |
---|
609 | if gw: |
---|
610 | s = "tb-set-hardware $%s %s\n" % (to_tcl_name(e.name[0]), type) |
---|
611 | return s |
---|
612 | return rv |
---|
613 | |
---|
614 | |
---|
615 | def topology_to_ns2(t, filters=[], routing="Session"): |
---|
616 | out = """ |
---|
617 | set ns [new Simulator] |
---|
618 | source tb_compat.tcl |
---|
619 | |
---|
620 | """ |
---|
621 | |
---|
622 | for e in t.elements: |
---|
623 | rpms = "" |
---|
624 | tarfiles = "" |
---|
625 | if isinstance(e, Computer): |
---|
626 | name = to_tcl_name(e.name[0]) |
---|
627 | out += "set %s [$ns node]\n" % name |
---|
628 | if e.os and len(e.os) == 1: |
---|
629 | osid = e.os[0].get_attribute('osid') |
---|
630 | if osid: |
---|
631 | out += "tb-set-node-os $%s %s\n" % (name, osid) |
---|
632 | hw = e.get_attribute('type') |
---|
633 | if hw: |
---|
634 | out += "tb-set-hardware $%s %s\n" % (name, hw) |
---|
635 | for s in e.software: |
---|
636 | if s.install: |
---|
637 | tarfiles += "%s %s " % (s.install, s.location) |
---|
638 | else: |
---|
639 | rpms += "%s " % s.location |
---|
640 | if rpms: |
---|
641 | out += "tb-set-node-rpms $%s %s\n" % (name, rpms) |
---|
642 | if tarfiles: |
---|
643 | out += "tb-set-node-tarfiles $%s %s\n" % (name, tarfiles) |
---|
644 | startcmd = e.get_attribute('startup') |
---|
645 | if startcmd: |
---|
646 | out+= 'tb-set-node-startcmd $%s "%s"\n' % (name, startcmd) |
---|
647 | for f in filters: |
---|
648 | out += f(e) |
---|
649 | out+= "\n" |
---|
650 | |
---|
651 | for idx, s in enumerate(t.substrates): |
---|
652 | loss = s.get_attribute('loss') |
---|
653 | if s.latency: |
---|
654 | delay = s.latency.time |
---|
655 | else: |
---|
656 | delay = 0 |
---|
657 | name = to_tcl_name(s.name or "sub%d" % idx) |
---|
658 | |
---|
659 | if len(s.interfaces) > 2: |
---|
660 | # Lan |
---|
661 | members = [ to_tcl_name("$%s") % i.element.name[0] \ |
---|
662 | for i in s.interfaces] |
---|
663 | out += 'set %s [$ns make-lan "%s" %fkb %fms ]\n' % \ |
---|
664 | (name, " ".join(members), s.capacity.rate, delay) |
---|
665 | if loss: |
---|
666 | "tb-set-lan-loss $%s %f\n" % (name, float(loss)) |
---|
667 | |
---|
668 | for i in s.interfaces: |
---|
669 | e = i.element |
---|
670 | ip = i.get_attribute("ip4_address") |
---|
671 | if ip: |
---|
672 | out += "tb-set-ip-lan $%s $%s %s\n" % \ |
---|
673 | (to_tcl_name(e.name[0]), name, ip) |
---|
674 | if i.capacity and i.capacity.rate != s.capacity.rate: |
---|
675 | out += "tb-set-node-lan-bandwidth $%s $%s %fkb\n" % \ |
---|
676 | (to_tcl_name(e.name[0]), name, i.capacity.rate) |
---|
677 | if i.latency and i.latency.time != delay: |
---|
678 | out += "tb-set-node-lan-delay $%s $%s %fms\n" % \ |
---|
679 | (to_tcl_name(e.name[0]), name, i.latency.time) |
---|
680 | iloss = i.get_attribute('loss') |
---|
681 | if loss and iloss != loss : |
---|
682 | out += "tb-set-node-lan-loss $%s $%s %f\n" % \ |
---|
683 | (to_tcl_name(e.name[0]), name, float(loss)) |
---|
684 | out+= "\n" |
---|
685 | elif len(s.interfaces) == 2: |
---|
686 | f = s.interfaces[0] |
---|
687 | t = s.interfaces[1] |
---|
688 | |
---|
689 | out += "set %s [$ns duplex-link $%s $%s %fkb %fms DropTail]\n" %\ |
---|
690 | (name, to_tcl_name(f.element.name[0]), |
---|
691 | to_tcl_name(t.element.name[0]), |
---|
692 | s.capacity.rate, delay) |
---|
693 | if loss: |
---|
694 | out += "tb-set-link-loss $%s %f\n" % (name, float(loss)) |
---|
695 | |
---|
696 | for i in s.interfaces: |
---|
697 | lloss = i.get_attribute("loss") |
---|
698 | cap_override = i.capacity and \ |
---|
699 | i.capacity.rate != s.capacity.rate |
---|
700 | delay_override = i.latency and \ |
---|
701 | i.latency.time != delay |
---|
702 | loss_override = lloss and lloss != loss |
---|
703 | if cap_override or delay_override or loss_override: |
---|
704 | if i.capacity: cap = i.capacity.rate |
---|
705 | else: cap = s.capacity.rate |
---|
706 | |
---|
707 | if i.latency: delay = i.latency.time |
---|
708 | |
---|
709 | if lloss: loss = lloss |
---|
710 | else: loss = loss or 0.0 |
---|
711 | |
---|
712 | out += "tb-set-link-simplex-params $%s $%s %fms %fkb %f\n"\ |
---|
713 | % (name, to_tcl_name(i.element.name[0]), |
---|
714 | delay, cap, loss) |
---|
715 | ip = i.get_attribute('ip4_address') |
---|
716 | if ip: |
---|
717 | out += "tb-set-ip-link $%s $%s %s\n" % \ |
---|
718 | (to_tcl_name(i.element.name[0]), name, ip) |
---|
719 | out+= "\n" |
---|
720 | for f in filters: |
---|
721 | out+= f(s) |
---|
722 | out+="$ns rtproto %s" % routing |
---|
723 | out+=""" |
---|
724 | $ns run |
---|
725 | """ |
---|
726 | return out |
---|