{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Socket Server - TCP"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "waiting for connection...\n",
      "...connected from: ('127.0.0.1', 46280)\n"
     ]
    },
    {
     "ename": "KeyboardInterrupt",
     "evalue": "",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mKeyboardInterrupt\u001b[0m                         Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-1-e009027e7029>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m     17\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     18\u001b[0m     \u001b[0;32mwhile\u001b[0m \u001b[0;32mTrue\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 19\u001b[0;31m         \u001b[0mdata\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mtcpCliSock\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrecv\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mBUFSIZ\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     20\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0mdata\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     21\u001b[0m             \u001b[0;32mbreak\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mKeyboardInterrupt\u001b[0m: "
     ]
    }
   ],
   "source": [
    "# Modified based on http://cpp.wesc.webfactional.com/cpp3ev2/book3v2/ch02/tsTserv3.py\n",
    "\n",
    "from socket import *\n",
    "from time import ctime\n",
    "\n",
    "HOST = '0.0.0.0'\n",
    "PORT = 3333\n",
    "BUFSIZ = 1024\n",
    "ADDR = (HOST, PORT)\n",
    "\n",
    "tcpSerSock = socket(AF_INET, SOCK_STREAM)\n",
    "tcpSerSock.bind(ADDR)\n",
    "tcpSerSock.listen(5)\n",
    "\n",
    "while True:\n",
    "    print('waiting for connection...')\n",
    "    tcpCliSock, addr = tcpSerSock.accept()\n",
    "    print('...connected from:', addr)\n",
    "\n",
    "    while True:\n",
    "        data = tcpCliSock.recv(BUFSIZ)\n",
    "        if not data:\n",
    "            break\n",
    "        #tcpCliSock.send('[%s] %s' % (bytes(ctime(), 'utf-8'), data))\n",
    "        tcpCliSock.send(bytes('[%s] %s' % (ctime(), data.decode('utf-8')), 'utf-8'))\n",
    "\n",
    "    tcpCliSock.close()\n",
    "tcpSerSock.close()\n"
   ]
  }
 ],
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