RCS file: server.c,v
Working file: server.c
head: 1.58
branch:
locks: strict
root: 1.58
access list:
symbolic names:
keyword substitution: kv
total revisions: 58; selected revisions: 58
description:
This is Server program that accepts requests and processes and returns it to the specified client
a child process is started using fork(); which further starts a new process using execl();
—————————-
revision 1.58 locked by: root;
date: 2015/12/28 19:35:46; author: root; state: Exp; lines: +1 -1
mult passed to the client3.c
—————————-
revision 1.56
date: 2015/12/28 19:28:55; author: root; state: Exp; lines: +6 -6
syntax errors detected and removed
—————————-
revision 1.55
date: 2015/12/28 19:21:23; author: root; state: Exp; lines: +3 -2
sleep();
—————————-
revision 1.53
date: 2015/12/28 19:09:14; author: root; state: Exp; lines: +1 -0
syntax error corrected
—————————-
revision 1.52
date: 2015/12/28 19:03:27; author: root; state: Exp; lines: +64 -3
two new pipe arer created i.e. pipe5 pipe6 for creating another pair of requesting and processing clients
capturing request from cklient3 and getting processed from the processing client i.e multiply.c
—————————-

revision 1.26
date: 2015/12/24 09:19:18; author: root; state: Exp; lines: +13 -11
checking if the request is recieved properly or not
—————————-
revision 1.19
date: 2015/12/24 08:54:41; author: root; state: Exp; lines: +10 -4
fetching the data from request
—————————-
revision 1.13
date: 2015/12/24 07:57:07; author: root; state: Exp; lines: +2 -2
trying fetch the data recieved
—————————-

RCS file: adder.c,v
Working file: adder.c
head: 1.13
branch:
locks: strict
root: 1.13
access list:
symbolic names:
keyword substitution: kv
total revisions: 13; selected revisions: 13
description:
client2 created for processing the request sent by client1 through server
sum calculated and written to server through pipe2
—————————-
revision 1.7
date: 2015/12/26 10:58:42; author: root; state: Exp; lines: +1 -1
trying to fetch the operator
—————————-
revision 1.6
date: 2015/12/26 10:38:20; author: root; state: Exp; lines: +1 -2
Adder.c is a processing client that processes the request recieved from requesting client through the server
After processing the request it sends it back to the server
—————————-
revision 1.1
date: 2015/12/24 18:00:55; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: client3.c,v
Working file: client3.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
This is third requesting client which requests server for performing multiplication
—————————-
revision 1.1 locked by: root;
date: 2015/12/28 19:03:27; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: multiply.c,v
Working file: multiply.c
head: 1.2
branch:
locks: strict
root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2; selected revisions: 2
description:
this is third processing client that multiplies the two number and sends the result back to the server
—————————-
revision 1.2 locked by: root;
date: 2015/12/28 19:15:34; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.1
date: 2015/12/28 19:03:27; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: header.h,v
Working file: header.h
head: 1.2
branch:
locks: strict
    root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;    selected revisions: 2
description:
stdio.h , fcntl.h, unistd.h, sys/types.h are included.
----------------------------
revision 1.2    locked by: root;
date: 2015/12/20 20:30:34;  author: root;  state: Exp;  lines: +0 -1
*** empty log message ***
----------------------------
revision 1.1
date: 2015/12/20 20:01:44;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: request.h,v
Working file: request.h
head: 1.1
branch:
locks: strict
    root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It contains structure of request.
----------------------------
revision 1.1    locked by: root;
date: 2015/12/20 20:01:44;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.4
branch:
locks: strict
    root: 1.4
access list:
symbolic names:
keyword substitution: kv
total revisions: 4;    selected revisions: 4
description:
A function for adding obj1 and obj2 which is contained in request received.
----------------------------
revision 1.4    locked by: root;
date: 2015/12/20 21:52:27;  author: root;  state: Exp;  lines: +4 -4
Printing changes.
----------------------------
revision 1.3
date: 2015/12/20 21:32:16;  author: root;  state: Exp;  lines: +1 -0
Printing mistake corrected.
----------------------------
revision 1.2
date: 2015/12/20 21:22:32;  author: root;  state: Exp;  lines: +12 -4
Result is sent to server.
----------------------------
revision 1.1
date: 2015/12/20 21:06:23;  author: root;  state: Exp;
Initial revision
=============================================================================

Client Server Using Pipe for single client

RCS file: client3.c,v
Working file: client3.c
head: 1.1
branch:
locks: strict
    root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It is function for multiplication.
----------------------------
revision 1.1    locked by: root;
date: 2015/12/20 22:29:00;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: multiplier.c,v
Working file: multiplier.c
head: 1.1
branch:
locks: strict
    root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
Function for multiplier
----------------------------
revision 1.1    locked by: root;
date: 2015/12/20 22:09:30;  author: root;  state: Exp;
Initial revision
============================

Client Server using Pipes for single client
RCS file: server.c,v
Working file: server.c
head: 1.29
branch:
locks: strict
    root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29;    selected revisions: 29
description:
Server includes header.h,request.h
server creates a pipe(Half duplex)
Server then creates a child.
child is replaced by client.
When pipe(arr) is called , arr[0] has read file descriptor and arr[1]
has write file descriptor.
rfdp and wfdp are passed to child.
server reads the  data written by pipe.
----------------------------
revision 1.29    locked by: root;
date: 2015/12/20 22:21:29;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
----------------------------
revision 1.28
date: 2015/12/20 22:19:00;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
----------------------------
revision 1.27
date: 2015/12/20 22:16:05;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
----------------------------
revision 1.26
date: 2015/12/20 22:14:36;  author: root;  state: Exp;  lines: +1 -2
*** empty log message ***
----------------------------
revision 1.25
date: 2015/12/20 22:07:12;  author: root;  state: Exp;  lines: +18 -2
Subtractor and multiplier and adder are available operations.
----------------------------
revision 1.24
date: 2015/12/20 21:56:07;  author: root;  state: Exp;  lines: +2 -2
Printing changes.
----------------------------
revision 1.23
date: 2015/12/20 21:54:17;  author: root;  state: Exp;  lines: +2 -2
Printing changes.
----------------------------
revision 1.22
date: 2015/12/20 21:44:51;  author: root;  state: Exp;  lines: +3 -3
Printing change
----------------------------
revision 1.21
date: 2015/12/20 21:42:22;  author: root;  state: Exp;  lines: +2 -2
count4 declared.
----------------------------
revision 1.20
date: 2015/12/20 21:41:10;  author: root;  state: Exp;  lines: +12 -2
Server writing result to client.
----------------------------
revision 1.19
date: 2015/12/20 21:32:16;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
----------------------------
revision 1.18
date: 2015/12/20 21:30:26;  author: root;  state: Exp;  lines: +12 -5
server read the result and print it.
----------------------------
revision 1.17
date: 2015/12/20 21:16:59;  author: root;  state: Exp;  lines: +2 -2
logical error
----------------------------
revision 1.16
date: 2015/12/20 21:12:16;  author: root;  state: Exp;  lines: +1 -0
ce
----------------------------
revision 1.15
date: 2015/12/20 21:07:57;  author: root;  state: Exp;  lines: +1 -1
fret2 is declared.
----------------------------
revision 1.14
date: 2015/12/20 21:06:23;  author: root;  state: Exp;  lines: +35 -5
adder is callled using another pipe and fork.
----------------------------
revision 1.13
date: 2015/12/20 20:52:39;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
----------------------------
revision 1.12
date: 2015/12/20 20:51:47;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
----------------------------
revision 1.11
date: 2015/12/20 20:50:38;  author: root;  state: Exp;  lines: +1 -1
Request printed.
----------------------------
revision 1.10
date: 2015/12/20 20:48:04;  author: root;  state: Exp;  lines: +1 -1
Request received.
----------------------------
revision 1.9
date: 2015/12/20 20:44:58;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
----------------------------
revision 1.8
date: 2015/12/20 20:29:14;  author: root;  state: Exp;  lines: +2 -1
ret=wait()
----------------------------
revision 1.7
date: 2015/12/20 20:27:40;  author: root;  state: Exp;  lines: +2 -1
print statement at starting is added.
----------------------------
revision 1.6
date: 2015/12/20 20:24:08;  author: root;  state: Exp;  lines: +1 -1
client1 is replaced by client (name change in execl).
----------------------------
revision 1.5
date: 2015/12/20 20:22:45;  author: root;  state: Exp;  lines: +4 -1
*** empty log message ***
----------------------------
revision 1.4
date: 2015/12/20 20:20:38;  author: root;  state: Exp;  lines: +1 -1
Pipe is created before fork.
----------------------------
revision 1.3
date: 2015/12/20 20:19:46;  author: root;  state: Exp;  lines: +4 -2
Some print statements added.
----------------------------
revision 1.2
date: 2015/12/20 20:16:56;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
----------------------------
revision 1.1
date: 2015/12/20 19:55:46;  author: root;  state: Exp;
Initial revision

Logfile for IPC using Message Queues and Pipes
RCS file: header.h,v
Working file: header.h
head: 1.2
branch:
locks: strict
    root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;    selected revisions: 2
description:
It includes basic headers for implementation
It includes stdio.h, fcntl.h etc.
----------------------------
revision 1.2    locked by: root;
date: 2016/01/06 18:46:13;  author: root;  state: Exp;  lines: +2 -0
sys/ipc.h , sys/msg.h is included.
----------------------------
revision 1.1
date: 2016/01/06 18:38:00;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.3
branch:
locks: strict
    root: 1.3
access list:
symbolic names:
keyword substitution: kv
total revisions: 3;    selected revisions: 3
description:
It is processing client which gives result of addition of two objects.
It communicate via fifo.
----------------------------
revision 1.3    locked by: root;
date: 2016/01/06 18:50:27;  author: root;  state: Exp;  lines: +2 -2
my_message is defined.
----------------------------
revision 1.2
date: 2016/01/06 18:43:53;  author: root;  state: Exp;  lines: +1 -1
The header message.h is included.
----------------------------
revision 1.1
date: 2016/01/06 18:33:35;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client1.c,v
Working file: client1.c
head: 1.12
branch:
locks: strict
    root: 1.12
access list:
symbolic names:
keyword substitution: kv
total revisions: 12;    selected revisions: 12
description:
It request server for adding through Message Queue
It reads result from server through Message Queue
----------------------------
revision 1.12    locked by: root;
date: 2016/01/07 14:11:54;  author: root;  state: Exp;  lines: +2 -0
message queue terminated in client
----------------------------
revision 1.11
date: 2016/01/07 13:37:54;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
----------------------------
revision 1.10
date: 2016/01/07 13:32:19;  author: root;  state: Exp;  lines: +2 -2
message type is specified
----------------------------
revision 1.9
date: 2016/01/07 13:25:39;  author: root;  state: Exp;  lines: +2 -2
different key is used for server and client.
----------------------------
revision 1.8
date: 2016/01/07 13:21:47;  author: root;  state: Exp;  lines: +1 -1
values of objects changed.
----------------------------
revision 1.7
date: 2016/01/07 13:10:40;  author: root;  state: Exp;  lines: +1 -1
id is changed
----------------------------
revision 1.6
date: 2016/01/06 19:06:15;  author: root;  state: Exp;  lines: +1 -1
Message id sent to server is used for the sent message.
----------------------------
revision 1.5
date: 2016/01/06 19:00:36;  author: root;  state: Exp;  lines: +1 -1
obj1 is used.
----------------------------
revision 1.4
date: 2016/01/06 18:53:47;  author: root;  state: Exp;  lines: +1 -0
msqid id declared.
----------------------------
revision 1.3
date: 2016/01/06 18:52:17;  author: root;  state: Exp;  lines: +1 -2
compilation errors resolving.
----------------------------
revision 1.2
date: 2016/01/06 18:44:11;  author: root;  state: Exp;  lines: +1 -1
Message.h is included.
----------------------------
revision 1.1
date: 2016/01/06 18:34:29;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client2.c,v
Working file: client2.c
head: 1.1
branch:
locks: strict
    root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It reads result from server through Message Queue
----------------------------
revision 1.1    locked by: root;
date: 2016/01/06 18:35:43;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client3.c,v
Working file: client3.c
head: 1.1
branch:
locks: strict
    root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It reads result from server through Message Queue
----------------------------
revision 1.1    locked by: root;
date: 2016/01/06 18:36:09;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: multiplier.c,v
Working file: multiplier.c
head: 1.2
branch:
locks: strict
    root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;    selected revisions: 2
description:
It gives result the multiplication of 2 objects.
It communicate through pipes.
----------------------------
revision 1.2    locked by: root;
date: 2016/01/06 18:44:23;  author: root;  state: Exp;  lines: +1 -1
message.h is included.
----------------------------
revision 1.1
date: 2016/01/06 18:36:13;  author: root;  state: Exp;
Initial revision

how to share sem_t sem variable between server and vendor for process semaphore ?