Client&Server Lab

8/9/2019 Client&Server Lab

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Client / Server Lab Program details

1. Develop a program to display the time of the server from a client using TCP/IP

2. Develop a program to display the time of the server from a client using UDP3. Develop a client/server application for chat using TCP/IP

. Develop a client/server application for chat using UDP!. "rite a program to simulate Domain #ame $erver%. "rite a client program to do&nload a file from 'TTP server

(. Implement a )PC

*. Implement a +TP

,. Develop a client/server application for -mails1. Develop a client/server 0aning pplication &ith dataase connectivity

11. Develop a client/server reservation system application &ith dataase connectivity

12. Develop a client/server application for implementing a scheduling for printing a different

4os ased on priority

1. Develop a program to display the time of the server from a client using TCP/IP

L!"#IT$%&'

Step1& $tart the program

Step(& Create the TCP socets for communications et&een Client and $erver.

Step)& 5et the time from the server using the server socet.

Step*&$end the time and date format to the client side.

Step+&Print the Date and the Time.

Step,&$top the program.

tcptimeserver.-ava

import 4ava.io.67

import 4ava.net.67

import 4ava.util.Calendar7

import 4ava.te8t.$impleDate+ormat7

pulic class tcptimeserver

9

pulic static void main:$tring a;+?)@T>#?"AByyyy@@dd ''mmssB7

$ystem.out.println:BTCP $-)-)B=7


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$ystem.out.println:B$erver is ready to send time......B=7

$erver$ocet serversoc A ne& $erver$ocet:,=7

$ocet clientsoc Aserversoc.accept:=7

Print"riter outAne& Print"riter:clientsoc.get?utput$tream:=Etrue=7

$tring inputline7

Calendar calA Calendar.getInstance:=7

$impleDate+ormat sdfAne& $impleDate+ormat:DT->+?)@T>#?"=7

inputlineAsdf.format:cal.getTime:==7

out.println:inputline=7

$ystem.out.println:BProcess finishedB=7

F

F

tcptimeclient.-ava

import 4ava.io.67

import 4ava.net.67

pulic class tcptimeclient

9

pulic static void main:$tring;< args= thro&s I?-8ception

9

$ystem.out.println:BTCP CGI-#TB=7

$ystem.out.println:B-nter the host name to connectB=7

DataInput$tream inpAne& DataInput$tream:$ystem.in=7

$tring strAinp.readGine:=7

$ocet clientsocAne& $ocet:strE,=7


0uffered)eader inAne& 0uffered)eader:ne& Input$tream)eader:clientsoc.getInput$tream:===7


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$ystem.out.println:B$erver $ays BHin.readGine:==7

F

F

(. Develop a program to display the time of the server from a client using DP

L!"#IT$%&'


Step(& Create the UDP $ocets for communication et&een the Client and the $erver.

Step)& 5et the time from the server using the UDP $erver socet.

Step*&$end the time and date format to the client side.

Step+&Print the Date and the Time.

Step,&$top the program.

DPServer.-ava

import 4ava.net.67

import 4ava.io.67

import 4ava.util.67

class UDP$erver

9

pulic static void main:$tring args;


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DPClient.-ava

import 4ava.net.67

import 4ava.io.67

class UDPClient

9



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pulic class tcpserver

9

pulic static void main:$tring a;


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tcpclient.-ava

import 4ava.io.67

import 4ava.net.67

pulic class tcpclient

9


9

$ystem.out.println:BTCP CGI-#TB=7

$ystem.out.println:B-nter the host name to connectB=7

DataInput$tream inpAne& DataInput$tream:$ystem.in=7

$tring strAinp.readGine:=7

$ocet clientsocAne& $ocet:strE,=7


0uffered)eader inAne& 0uffered)eader:ne& Input$tream)eader:clientsoc.getInput$tream:===7

0uffered)eader stdinAne& 0uffered)eader:ne& Input$tream)eader:$ystem.in==7

$tring userinput7

try

9

&hile:true=

9

$ystem.out.println:B$erver saysBHin.readGine:==7

userinputAstdin.readGine:=7

out.println:userinput=7

F

F

catch:-8ception e=


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9

$ystem.e8it:=7

F

F

F

*. Develop a client/server application for chat using DP

L!"#IT$%&'


Step(& Create the UDP socets for communications et&een Client and $erver.

Step)& -stalish the connections et&een the client and the server using the follo&ing

functions.

String sentence0ne5 StringreceivePacet.getData223

Step*&$end message from the server to that of the client side.

Step+&ccept the message from the server and send the reply message from the client to the

server

Step,&Close the connections et&een the client and server.

Step4&$top the program.

DPServer.-ava

import 4ava.io.67

import 4ava.net.67

class UDP$erver

9



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9

DatagramPacet receivePacet A ne& DatagramPacet:receiveDataEreceiveData.length=7

server$ocet.receive:receivePacet=7

$tring sentenceAne& $tring:receivePacet.getData:==7

$ystem.out.println:B)-C-I-D +)?@ CGI-#TBHsentence=7

Inetddress IPddress A receivePacet.getddress:=7

int port A receivePacet.getPort:=7

$tring capitalied$entenceAsentence.toUpperCase:=7

sendDataAcapitalied$entence.get0ytes:=7

DatagramPacet sendPacetAne& DatagramPacet:sendDataEsendData.lengthEIPddressEport=7

server$ocet.send:sendPacet=7

F

F

F

DPClient.-ava

import 4ava.io.67

import 4ava.net.67

class UDPClient

9



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yte;< sendDataAne& yte;12


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for:int iA7iJaddresses.length7iHH=

9

$tring hostnameAaddresses;i


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U)G urlAne& U)G:Bhttp//&&&.server.comB=7

'ttpU)GConnection conA:'ttpU)GConnection=url.openConnection:=7

0uffered)eader in A ne& 0uffered)eader:ne& Input$tream)eader:con.getInput$tream:===7

$tring inputGine7

+ile ne&fileAne& +ile:Bne&file.t8tB=7

+ile"riter out Ane& +ile"riter:ne&file=7

&hile::inputGineAin.readGine:==KAnull=

9

$ystem.out.println:inputGine=7

out.&rite:inputGine=7

F

in.close:=7

F

F

4. Implementation a ;TPL!"#IT$%&'

Step1& start the program.

Step( Create the TCP socet for communication et&een the client and the server.

Step) -stalish the connections et&een the client and the server.

Step* 5et the Target file to e sent using the +TP Protocol.

Step+ Transfer the Particular file to the client side.

Step, )eceive the file that is transferred from the server side.

Step4 fter finishing all the reLuest from the client side close the connection et&een them.

Step


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9



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Input$tream iAs.getInput$tream:=7

DataInput$tream disAne& DataInput$tream:i=7

?utput$tream oAs.get?utput$tream:=7

Data?utput$tream dosAne& Data?utput$tream:o=7

$ystem.out.println:B"aiting for reLuestB=7

$tring fnameAdis.readUT+:=.to$tring:=7

if:fname.eLuals:Be8itB==

9

s.close:=7

$ystem.e8it:1=7

F

else

9

$ystem.out.println:BThe received file name IsBHfname=7

+ile)eader frAne& +ile)eader:fname=7

0uffered)eader rAne& 0uffered)eader:fr=7

$tring sr7

&hile::srAr.readGine:==KAnull=

9

dos.&riteUT+:sr=7

F

$ystem.out.println:B+ile isB=7

fr.close:=7

dis.close:=7

i.close:=7

dos.close:=7

o.close:=7


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6/

pulic class -mail$ervlet e8tends 'ttp$ervlet

9

/66

6 0are ones method to send email message. #o attempt is

6 made to verify delivery. Uses $@TP protocol to contact

6 an email server at Q1(.,2.12.2Q port 2!

66/

pulic void send-mail: $tring fromE $tring toE $tring message=

9

try

9

// get a socet connection to the mail

// server at $@TP port 2! $ocet socet A ne& $ocet:B1(2.1%.1.12BE 2!=7

// Create an output stream for sending message

Print"riter out A ne& Print"riter:socet.get?utput$tream:=E true=7

// send mail using $@TP protocol

out.println:B@IG +)?@ B H from=7

out.println:B)CPT T? B H to=7

out.println:BDTMnB=7 // $ip line after DT

out.println:message=7 out.println:B.B=7 // -nd message &ith a single period

out.flush:=7

F

catch :-8ception e=

9

$ystem.out.println:B+ailed to send email B H e=7

F

F

pulic void doPost:'ttp$ervlet)eLuest reLuestE

'ttp$ervlet)esponse response=

thro&s $ervlet-8ceptionE I?-8ception

9

$tring from A reLuest.getParameter:BfromB=7


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$tring to A reLuest.getParameter:BtoB=7

$tring message A reLuest.getParameter:BmessageB=7

send-mail:fromE toE message=7

response.setContentType:Bte8t/htmlB=7

Print"riter out A response.get"riter:=7

out.println:B-mail hopefully sent to B H to=7

F

F

Success.-sp

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Document success

Created on $ep (E 2,E 3,1( P@

uthor po&er

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JRpage contentTypeABte8t/htmlB page-ncodingABUT+*BRS

JhtmlS

JheadS

JtitleS@essageJ/titleS

Jlin relABstylesheetB hrefABstyle.cssB typeABte8t/cssBS

J/headS

JodyS

JcenterS

Jdiv classABmsgBS

Jh2S@essageJ/h2S

JpS

-mail sent

J/pS

J/divS

J/centerS

J/odyS

J/htmlS


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Inde9.-sp

JR

Document inde8

Created on $ep (E 2,E 213% P@

uthor po&er

RS


JhtmlS

JheadS

Jmeta httpeLuivABContentTypeB contentABte8t/html7 charsetAUT+*BS

JtitleS$ending emailJ/titleS

Jlin relABstylesheetB hrefABstyle.cssB typeABte8t/cssBSJ/headS

JodyS

JcenterS

Jform actionAB-mail$ervletBS

JtaleS

JtrS

JtdS+romJ/tdS

JtdSJinput typeABte8tB nameABfromBSJ/tdS

J/trS

JtrS

JtrS

JtdSToJ/tdS

JtdSJinput typeABte8tB nameABtoBSJ/tdS

J/trS

JtrS

JtdS$u4ectJ/tdS

JtdSJinput typeABte8tB nameABsu4ectBSJ/tdS

J/trS

JtrS

JtdS@essageJ/tdS

JtdSJte8tarea colsAB2!B ro&sAB*B nameABmessageBSJ/te8tareaSJ/tdS

J/trS

JtrS

JtdSGoginJ/tdS

JtdSJinput typeABte8tB nameABloginBSJ/tdS


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J/trS

JtrS

JtdSPass&ordJ/tdS

JtdSJinput typeABpass&ordB nameABpass&ordBSJ/tdS

J/trS

J/taleS

JrS

Jinput typeABsumitB valueABsumitBS

J/formS

J/centerS

J/odyS

J/htmlS

=rror.-sp

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Document error

Created on $ep (E 2,E 3,3, P@

uthor po&er

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JhtmlS

JheadS

Jmeta httpeLuivABContentTypeB contentABte8t/html7 charsetAUT+*BS

JtitleS-rrorJ/titleS

Jlin relABstylesheetB hrefABstyle.cssB typeABte8t/cssBS

J/headS

JodyS

JcenterS

Jdiv classABerrorBS

Jh2S-rrorJ/h2S

JpS

@essage JRA reLuest.getttriute:B-rror@essageB= RS

J/pS

J/divS

J/centerS

J/odyS

J/htmlS


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>. Develop a client/server reservation system application 5ith database connectivity

L!"#IT$%&'

Step1&$tart the program.

Step(&Initialie the Nava Data0ase Driver to that of the ?4ect Data0ase Driver.

Step)&Create an ?D0C Driver for connecting the ccess Dataase.

Step*&Create the Tale in the dataase and add the necessary fields in that tale.

Step+&$elect the Data $ource and lin the Data0ase to that of the Nava program.

Step,&)un the program and insert the Data into the tale using the ueries.

Step4&)etrieve the Data from the Data0ase and print the result.

Step@$B=7

status A true7

F

catch:-8ception e=

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$ystem.out.println:B-rror in d connectionB=7

F

return status7

F


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pulic $tring @aeTicets:$tring ticet>nameEint ticet>numerEint ticet>LuentEdoule

ticet>priceE$tring start>locationE$tring end>location=

9

$tring strABProlem in data insertB7

try

9

oolean st A connect:=7

$ystem.out.println:Bconnection SBHst=7

$tring add>Luery A BI#$-)T I#T?

ticet:ticet>numerEticet>nameEticet>LuentEticet>priceEstart>locationEend>location=

GU-$:BHticet>numerHBEQBHticet>nameHBQEBHticet>LuentHBEBHticet>priceHBEQBHstart>locat

ionHBQEQBHend>locationHBQ=B7

$ystem.out.println:BInsert LuerySBHadd>Luery=7

4ava.sLl.$tatement statement A connection.create$tatement:=7

statement.e8ecute:add>Luery=7 strA BTicet successfully addedB 7

F

catch:-8ception e=

9

$ystem.out.println:B-rror in InsertBHe=7

F

return str7

F

pulic $tring reservTicet:int ticet>numerE$tring ticet>nameE int ticet>Luent=

9

$tring strABProlem in reservB7

try

9

int LuntA7


$tring select>Luery A B$-G-CT 6 +)?@ ticet "'-)-

ticet>numerABHticet>numer7


statement.e8ecuteuery:select>Luery=7

4ava.sLl.)esult$et result$et A statement.get)esult$et:=7

if:result$et.ne8t:==

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Lunt A result$et.getInt:Bticet>LuentB=7

F


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if:LuntJticet>Luent=

9

return LuntHB ticets only avilale for this routB7

F

else

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Lunt A Lunt ticet>Luent7

$tring update>Luery A BUPDT- ticet $-T ticet>LuentABHLuntHB "'-)-

ticet>numerABHticet>numer7

int status A statement.e8ecuteUpdate:update>Luery=7

if:statusAA1 =

9

return BTicet successfully )eservedB7

F

else 9

return str7

F

F

F

catch:-8ception e=

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$ystem.out.println:B-rror in reserv BHe=7

F

return B)eservation methodB7

F

pulic void InformationCenter:$tring start>locationE$tring end>location=

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$tring strABProlem in information centerB7

try

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int LuntA7


$tring select>Luery A B$-G-CT 6 +)?@ ticet "'-)-

start>locationAQBHstart>locationHBQ #D end>locationAQBHend>locationHBQB7

$ystem.out.println:B$elect Luery SBHselect>Luery=7


statement.e8ecuteuery:select>Luery=7

4ava.sLl.)esult$et result$et A statement.get)esult$et:=7


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if:result$et.ne8t:==

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$ystem.out.println:BTicet DetailsB=7

$ystem.out.println:BTicet #umer SBHresult$et.getInt:Bticet>numerB==7

$ystem.out.println:BTicet #ameSBHresult$et.get$tring:Bticet>nameB==7

$ystem.out.println:B-ach Ticet PriceSBHresult$et.getDoule:Bticet>priceB==7

$ystem.out.println:B#umer of Ticets availale

SBHresult$et.getInt:Bticet>LuentB==7

F

else

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$ystem.out.println:BThere is no ticets for this routB=7

F

F

catch:-8ception e= 9

$ystem.out.println:B-rror in reserv BHe=7

F

F


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DataInput$tream din A ne& DataInput$tream:$ystem.in=7

@ain res A ne& @ain:=7

&hile:true=9 $ystem.out.println:BMtMt?nline TrainTicet )eservation B=7

$ystem.out.println:B1.@ae Ticets :dministrator only=Mn2.Ticet

)eservationMn3.Imfomation CenterMn.-8itB=7

$ystem.out.println:B-nter your choice B=7

int choice A Integer.parseInt:din.readGine:==7

s&itch :choice=

9

case 1

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$ystem.out.println:B-nter Trian Ticet #umerB=7

int ticet>numer A Integer.parseInt:din.readGine:==7

$ystem.out.println:B-nter Ticet #ameB=7

$tring ticet>name A din.readGine:=7

$ystem.out.println:B-nter Ticet price B=7

doule ticet>priceA Doule.parseDoule:din.readGine:==7

$ystem.out.println:B$tart locationB=7


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$tring start>location A din.readGine:=7

$ystem.out.println:B-nd locationB=7

$tring end>location A din.readGine:=7

$ystem.out.println:B#umer of Ticets B=7

int ticet>Luent AInteger.parseInt:din.readGine:==7

$tring output A res.@aeTicets:ticet>nameE

ticet>numerEticet>LuentEticet>priceE start>locationE end>location=7

$ystem.out.println:output=7

F

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case 2

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$ystem.out.println:B-nter Trian Ticet #umerB=7

int ticet>numer A Integer.parseInt:din.readGine:==7

$ystem.out.println:B-nter Ticet #ameB=7 $tring ticet>name A din.readGine:=7

$ystem.out.println:B#umer of Ticets B=7

int ticet>Luent AInteger.parseInt:din.readGine:==7

$tring output A res.reservTicet:ticet>numerE ticet>nameE ticet>Luent=7

$ystem.out.println:output=7

F

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case 3

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$ystem.out.println:B$tart locationB=7 $tring start>location A din.readGine:=7

$ystem.out.println:B-nd locationB=7

$tring end>location A din.readGine:=7

res.InformationCenter:start>locationE end>location=7

F

rea7

case

$ystem.e8it:1=7

rea7

FF

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Client&Server Lab

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