CCSDS_study project

CCSDS_netzob.ipynb

@@ -0,0 +1,344 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from netzob.all import *"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "b'\\x0c'"
+      ]
+     },
+     "execution_count": 11,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "i = Integer(value=12, unitSize=UnitSize.SIZE_8)\n",
+    "i.generate().tobytes()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "b'\\x00\\x00\\x00\\x0c'"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "i = Integer(value=12, unitSize=UnitSize.SIZE_32)\n",
+    "i.generate().tobytes()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "b'\\x0c\\x00\\x00\\x00'"
+      ]
+     },
+     "execution_count": 13,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "i = Integer(value=12, unitSize=UnitSize.SIZE_32, endianness=Endianness.LITTLE)\n",
+    "i.generate().tobytes()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "b'\\xff\\xf4'"
+      ]
+     },
+     "execution_count": 15,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "i = Integer(value=-12, sign=Sign.SIGNED, unitSize=UnitSize.SIZE_16)\n",
+    "i.generate().tobytes()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "bitarray('00000000000000000000010011010010')"
+      ]
+     },
+     "execution_count": 17,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "int32be(1234).value\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "b'\\x00\\x00\\x04\\xd2'"
+      ]
+     },
+     "execution_count": 18,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "int32be(1234).value.tobytes()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "48"
+      ]
+     },
+     "execution_count": 19,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "r = Raw(nbBytes=6)\n",
+    "len(r.generate())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "6"
+      ]
+     },
+     "execution_count": 20,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(r.generate().tobytes())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{111, 116}"
+      ]
+     },
+     "execution_count": 21,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "r = Raw(nbBytes=100, alphabet=[b\"t\", b\"o\"])\n",
+    "data = r.generate().tobytes()\n",
+    "data_set = set(data)\n",
+    "data_set"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "fheader"
+      ]
+     },
+     "execution_count": 23,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "fh0 = Field(name='fh0')\n",
+    "fh1 = Field(name='fh1')\n",
+    "fheader = Field([fh0, fh1], name='fheader')\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Abstract 和 Preset 功能"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 构建规则\n",
+    "f1 = Field(name=\"name\", domain=\"john\")\n",
+    "f2 = Field(name=\"question\", domain=\", what's up in \")\n",
+    "f3 = Field(name=\"city\", domain=Alt([\"Paris\", \"Berlin\"]))\n",
+    "f4 = Field(name=\"mark\", domain=\" ?\")\n",
+    "symbol = Symbol([f1, f2, f3, f4], name=\"Symbol-john\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "设置预测约束（Setting the Preset）"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "preset = Preset(symbol)\n",
+    "preset[f3] = b\"Paris\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "提供数据进行测试"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "AbstractionException",
+     "evalue": "With the symbol/field 'Symbol-john', can abstract the data: 'john, what's up in Berlin ?', but some parsed values do not match the expected preset.",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mAbstractionException\u001b[0m                      Traceback (most recent call last)",
+      "Cell \u001b[0;32mIn[27], line 2\u001b[0m\n\u001b[1;32m      1\u001b[0m data \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mjohn, what\u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124ms up in Berlin ?\u001b[39m\u001b[38;5;124m\"\u001b[39m\n\u001b[0;32m----> 2\u001b[0m data_structure \u001b[38;5;241m=\u001b[39m \u001b[43msymbol\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mabstract\u001b[49m\u001b[43m(\u001b[49m\u001b[43mdata\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mpreset\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mpreset\u001b[49m\u001b[43m)\u001b[49m\n",
+      "File \u001b[0;32m~/CCSDS_study/ccsds/lib/python3.8/site-packages/netzob/Model/Vocabulary/AbstractField.py:628\u001b[0m, in \u001b[0;36mAbstractField.abstract\u001b[0;34m(self, data, preset, memory)\u001b[0m\n\u001b[1;32m    626\u001b[0m         \u001b[38;5;28;01mreturn\u001b[39;00m data_structure\n\u001b[1;32m    627\u001b[0m     \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[0;32m--> 628\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m AbstractionException(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mWith the symbol/field \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m, can abstract the data: \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m, but some parsed values do not match the expected preset.\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;241m.\u001b[39mformat(\u001b[38;5;28mself\u001b[39m, data)) \u001b[38;5;28;01mfrom\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m\n\u001b[1;32m    629\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m InvalidParsingPathException \u001b[38;5;28;01mas\u001b[39;00m e:\n\u001b[1;32m    630\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m AbstractionException(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mWith the symbol/field \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m, cannot abstract the data: \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m. Error: \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;241m.\u001b[39mformat(\u001b[38;5;28mself\u001b[39m, data, e)) \u001b[38;5;28;01mfrom\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m\n",
+      "\u001b[0;31mAbstractionException\u001b[0m: With the symbol/field 'Symbol-john', can abstract the data: 'john, what's up in Berlin ?', but some parsed values do not match the expected preset."
+     ]
+    }
+   ],
+   "source": [
+    "data = \"john, what's up in Berlin ?\"\n",
+    "data_structure = symbol.abstract(data, preset=preset)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "OrderedDict([('name', b'john'),\n",
+       "             ('question', b\", what's up in \"),\n",
+       "             ('city', b'Paris'),\n",
+       "             ('mark', b' ?')])"
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "data = \"john, what's up in Paris ?\"\n",
+    "data_structure = symbol.abstract(data, preset=preset)\n",
+    "data_structure"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "ccsds",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.10"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}