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Monitor - PowerPoint PPT Presentation


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Monitor. (8180). Start the Active Client. Monitor. (8180). Active Client. (20287). Make a connection to the Monitor. Monitor. (8180). (8180). Active Client. (20287). (8180). Active Client Code:. Socket skt = new Socket("helios.ececs.uc.edu", 8180);

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PowerPoint Slideshow about ' Monitor' - evan-mcpherson


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slide1
Monitor

(8180)

slide2
Start the Active Client

Monitor

(8180)

Active Client

(20287)

slide3
Make a connection to the Monitor

Monitor

(8180)

(8180)

Active Client

(20287)

(8180)

Active Client Code:

Socket skt = new Socket("helios.ececs.uc.edu", 8180);

out = new PrintWriter(skt.getOutputStream(), true);

isr = new InputStreamReader(skt.getInputStream());

is = new BufferedReader(isr);

is.readLine();

slide4
Receive IDENT message group from Monitor

Monitor

(8180)

(8180)

Active Client

(20287)

(20287)

Login Protocol:

COMMENT: Monitor Version 2.2

REQUIRE: IDENT

WAITING:

slide5
Send IDENT command to Monitor

Monitor

(8180)

(8180)

Active Client

(20287)

(8180)

Login Protocol:

IDENT FRANCO

slide6
Get PASSWORD directive from Monitor

Monitor

(8180)

(8180)

Active Client

(20287)

(20287)

Login Protocol:

RESULT: IDENT REQUIRE: PASSWORD

WAITING:

slide7
Send Password to Monitor

Monitor

(8180)

(8180)

Active Client

(20287)

(8180)

Login Protocol:

PASSWORD EYES_ARE_BLUE

slide8
Get HOST_PORT directive & cookie from Monitor

Monitor

(8180)

(8180)

Active Client

(20287)

(20287)

Login Protocol:

RESULT: PASSWORD UYERWEEIOUYTUIU

REQUIRE: HOST_PORT

WAITING:

slide9
Start Server

Server

Monitor

(21567)

(8180)

(8180)

Active Client

(20287)

Login Protocol:

slide10
Send Server port (host port) to Monitor

Server

Monitor

(21567)

(8180)

(8180)

Active Client

(20287)

(8180)

Login Protocol:

HOST_PORT gauss.ececs.uc.edu 21567

slide11
Get checksum from Monitor

Server

Monitor

(21567)

(21567)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

COMMENT: Monitor Version 2.2

PARTICIPANT_PASSWORD_CHECKSUM: 78a74b94cd3778ef36635

REQUIRE: IDENT

WAITING:

slide12
Send IDENT command to Monitor

Server

Monitor

(21567)

(8180)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

IDENT FRANCO

slide13
Get checksum from Monitor

Server

Monitor

(21567)

(21567)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

REQUIRE: ALIVE

WAITING:

slide14
Send ALIVE command to Monitor

Server

Monitor

(21567)

(8180)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

ALIVE UYERWEEIOUYTUIU

slide15
Complete ALIVE transaction

Server

Monitor

(21567)

(21567)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

RESULT: ALIVE Identity has been verified

REQUIRE: QUIT

WAITING:

slide16
Complete ALIVE transaction

Server

Monitor

(21567)

(8180)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

QUIT

slide17
Complete ALIVE transaction

Server

Monitor

(21567)

(21567)

(8180)

(8180)

Active Client

(20287)

Are You Alive Transaction:

RESULT: QUIT

slide18
Complete Login transaction

Server

Monitor

(21567)

(8180)

(8180)

Active Client

(20287)

(20287)

Login Protocol:

RESULT: HOST_PORT GAUSS.ECECS.UC.EDU 21567

slide19
Server

Monitor

(21567)

(8180)

(8180)

Active Client

(20287)

Active Client may issue commands for 3 minutes

Server waits for ALIVE requests from Monitor

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