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| author | gasperfele@fri1.uni-lj.si <gasperfele@fri1.uni-lj.si@5cf9fbd1-b2bc-434c-b4b7-e852f4f63414> | 2014-10-21 21:35:40 +0000 |
|---|---|---|
| committer | gasperfele@fri1.uni-lj.si <gasperfele@fri1.uni-lj.si@5cf9fbd1-b2bc-434c-b4b7-e852f4f63414> | 2014-10-21 21:35:40 +0000 |
| commit | f3e2c6f2add893710dc9a54098acff13c5934a90 (patch) | |
| tree | 7e03f8787f9cc383a2b7b0c51cd30b9b66a61c13 /kpov_judge/tasks/custom_rdate | |
| parent | be32ceb69271797a38b24d07930ac9afcd0c729f (diff) | |
Separated tasks from lectures
git-svn-id: https://svn.lusy.fri.uni-lj.si/kpov-public-svn/kpov-public@2 5cf9fbd1-b2bc-434c-b4b7-e852f4f63414
Diffstat (limited to 'kpov_judge/tasks/custom_rdate')
18 files changed, 166 insertions, 0 deletions
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+
+<head>
+<meta http-equiv=Content-Type content="text/html; charset=windows-1250">
+</head>
+
+<body><font face="Georgia, Times New Roman, Times, serif">
+<strong><h1>XX. predvaja:</h1></strong><br>
+<p><strong><h2>Naloga na hitro:</h2></strong><br>
+ Nastavi uro na strežniku s pomočjo rdate. Napiši program, ki pretvori 24-bitna števila z dvojiškim komplementom v decimalno obliko.</p>
+<p><strong><h2>Navodila:</h2></strong><br>
+ 1. Iz imenika s slikami virtualnih računalnikov povlecite sliki Student.vdi(klient) in SimpleArbiter.vdi(strežnik).<br>
+ 2. Z VirtualBoxom (ali ostalim programom za virtualne računalnike) ustvarite dva virtualna računalnika in jim kot disk za shranjevanje podajte Student.vdi ter SimpleArbiter.vdi.<br>
+ 3. Zaženite oba navidezna računalnika.<br>
+ 4. Na Student se prijavite z uporabnikom <strong>root</strong> in geslom <strong>kaboom</strong> na SimpleArbiter pa z uporabnikom <strong>tester</strong> in geslom <strong>SedemKrogovPekla</strong>.</p>
+<img src="slike/bu15.png"> <img src="slike/bu1.png">
+<p><h3><u><strong><em>Prvi del naloge: posodobi uro računalnika s pomočjo rdate.</em></strong></u></h3><br>
+ 1. Preverite in si zapišite IP naslov na SimpleArbiter. (ifconfig)<br><img src="slike/bu2.png"><br><img src="slike/bu3.png"><br>
+ 2. Z ukazom <strong>sudo apt-get install</strong> rdate namestimo program rdate.<br>
+ 3. Na Student z pomočjo rdate posodobi uro računalnika. <strong>rdate IP_SIMPLE_ARBITER</strong><br><img src="slike/bu4.png"><br>
+ Opozorilo: NI napaka, če se posodobljen čas ne ujema s pravilnim časom. <br>
+ </p>
+<p><br>
+ <u><strong><em><h3>Drugi del naloge: napiši program, ki pretvori binarni zapis 32-bitnega števila v decimalnega.</h3></em></strong></u><br>
+ Nalogo lahko rešite v Javi ali v Pythonu. Prav tako pa lahko kodo pišete v poljubnem tekstovnem urejevalniku.</p>
+<p><br>
+ JAVA------<br>
+ 1. Z ukazom nano bintodec3.java ustvarimo in odpremo prazen program s tekstovnim urejevalnikom nano<br>
+ 2. Napišemo program za pretvarjanje 24-bitnega števila z dvojiškim komplementom v decimalno obliko<br>
+<img src="slike/bu6.png"><br><img src="slike/bu7.png"><br>
+ 3. Pritisnemo Ctrl+X, nato Y in Enter, da program zapremo in shranimo.<br>
+ 4. Če je še nimamo, naložimo Javo <strong>sudo apt-get install openjdk-6-jdk</strong><br><img src="slike/predvaja_clip_image003.gif"><br>
+ 5. Prevedemo program <strong>javac bintodec3.java</strong><br>
+ 6. Lahko ga še zaženemo ter preizkusimo <strong>java bintodec3</strong>. Na standardni vhod vnašamo 24-bitno število v šestnajstiški obliki<br><img src="slike/bu9.png"><br></p>
+<p>PYTHON------<br>
+ 1. Z ukazom nano bintodec3.py ustvarimo in odpremo prazen program s tekstovnim urejevalnikom nano<br>
+ 2. Napišemo program za pretvarjanje 24-bitnega števila z dvojiškim komplementom v decimalno obliko<br>
+<img src="slike/bu5.png"><br>
+ 3. Pritisnemo Ctrl+X, nato Y in Enter, da program zapremo in shranimo.<br>
+ 4. Program zaženemo z ukazom <strong>python bintodec3.py</strong><br><img src="slike/bu8.png"><br></p><br><br>
+
+
+ <p>
+ <h3> Testiranje </h3>
+ 1. Lahko poženemo tester; z ukazom ./run_test.py<br>
+ <img src="slike/s1.png"><br>
+ 2. Kot "Upor. Ime" in "Geslo" napišite vaše podatke učilnice. (npr.: "pz1234@student.uni-lj.si" in "geslo123")<br>
+ <img src="slike/s2.png"> <img src="slike/s3.png"> <br>
+ 3. Kot ime naloge vpišite XX.predvaja.<br>
+ 4. Ko vas program vpraša po poti programa vnesite vašo pot do programa za pretvarjanje. (npr.: če imate program bintodec3.py v isti mapi kot program run_test.py, vnesete: ./bintodec3.py)<br>
+ 5. Povpraša tudi po IP naslovu SimpleArbiterja, vnesite.<br>
+ 6. Če je šlo vse po sreči, program vrne OK vi pa ste opravili nalogo.</p>
+
+ </font>
+</body>
+
+</html>
diff --git a/kpov_judge/tasks/custom_rdate/lecture/ideja.txt b/kpov_judge/tasks/custom_rdate/lecture/ideja.txt new file mode 100644 index 0000000..0fb111a --- /dev/null +++ b/kpov_judge/tasks/custom_rdate/lecture/ideja.txt @@ -0,0 +1,2 @@ +Napiši svoj rdate klient. Nastavi računalnik, da bo uro sinhroniziral z NTP strežnika. + diff --git a/kpov_judge/tasks/custom_rdate/task.py b/kpov_judge/tasks/custom_rdate/task.py new file mode 100644 index 0000000..caf6298 --- /dev/null +++ b/kpov_judge/tasks/custom_rdate/task.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +# kpovRandomHelpers should be imported by add_assignment.py +# TODO: finish this! + +instructions = { + 'si':u""" +Postavi dva navidezna računalnika - SimpleArbiterDhcpRdate s slike diska simpleArbiterRdate ter rdateClient. +Na rdateClient ustvarite uporabnika test z geslom test. Nastavite čas na rdateClient tako, da kot rdate strežnik +uporabite SimpleArbiterDhcpRdate. Nato v domačem imeniku uporabnika test spravite program z imenom guliver, ki prebere 4 byte +podatkov s standardnega vhoda in jih pretvori v predznačeno celo število, pri čemer naj uporablja zapis z debelim koncem (big endian). +Število naj program izpiše na standardni izhod. +""" +} + +computers = { + 'rdateClient': { + 'disks': [ + { 'name': 'maliBrezNetworkManager', + }, + #{ 'name': 'CDROM', + # 'options':{'readonly': True}, + # 'parts': [],# no parts, no mounting. + #} + ], + 'network_interfaces': [{'network': 'net1'}], + 'flavor': 'm1.tiny', + 'config_drive': False + + }, + 'SimpleArbiter': { + 'disks': [ + { 'name': 'simpleArbiterDhcpRdate', + # attempt automount + }, + #{ 'name': 'CDROM', + # 'options': {'readonly': True}, + # 'parts': [{'dev': 'b1', 'path': '/cdrom'}], + #}, + ], + 'network_interfaces': [{'network': 'net1'}, {'network': 'test-net'}], + 'flavor': 'm1.tiny', + 'config_drive': False + } +} + +networks = { 'net1': {'public': False}, 'test-net': {'public': True} } + +params_meta = { + 'IP_NM': {'opis': 'Naslov maliNetworkManager', 'w': False, 'public':True, 'type': 'IP', 'generated': True}, + 'DNS_NM': {'opis': 'DNS za maliNetworkManager', 'w': False, 'public':True, 'type': 'IP', 'generated': True}, + 'IP_static': {'opis': 'Naslov maliBrezNetworkManager', 'w': False, 'public': True, 'type': 'IP', 'generated': True}, + 'DNS_static': {'opis': 'DNS za maliBrezNetworkManager', 'w': False, 'public': True, 'type': 'IP', 'generated': True}, +} + +def task(IP_NM, DNS_NM, IP_static, DNS_static): + import pxssh + import pexpect + results = dict() + peer_user = 'student' + peer_passwd = 'vaje' + sA = pxssh.pxssh() + sB = pxssh.pxssh() + sA.login(IP_NM, peer_user, peer_passwd) + sB.login(IP_static, peer_user, peer_passwd) + # sA + # make sure NM is not handling eth0 + results['NM_nmcli'] = sA.run('nmcli d') + results['NM_nslookup'] = sA.run('nslookup www.arnes.si') + # sB + # check whether NM is handling eth0 + results['static_nmcli'] = sB.run('nmcli d') + results['static_nslookup'] = sB.run('nslookup www.arnes.si') + sA.logout() + sB.logout() + return results + +def gen_params(user_id, params_meta): + params = dict() + r = random.Random(user_id) + # IP_NM, DNS_NM, IP_static, DNS_static) + dns_servers = ['193.2.1.66', '193.2.1.72', '8.8.8.8', '8.8.4.4', '208.67.222.222', '208.67.220.220'] + net = kpovRandomHelpers.IPv4_subnet_gen(r, '172.23.128.0/18', 24) + params['DNS_NM'] = r.choice(dns_servers) + params['IP_NM'], params['IP_static'] = kpovRandomHelpers.IPv4_addr_gen(r, net, 2) + params['DNS_static'] = r.choice(dns_servers) + return params + +def task_check(results, params): + import re + score = -9 + if results['NM_nslookup'].find('Server:\t\t{0}\r'.format(params['DNS_NM'])) > -1: + score += 3 + if results['static_nslookup'].find('Server:\t\t{0}\r'.format(params['DNS_static'])) > -1: + score += 3 + if re.search(r'eth0 +802-.*connected', results['NM_nmcli']): + score += 2 + if not re.search(r'eth0 +802-.*connected', results['static_nmcli']): + score += 2 + score = 0 + return score + +def prepare_disks(templates, params): +# d = templates['simpleArbiterDhcp'] + pass + |
