Take a decimal number from the user. Convert it to different bases (e.g: 2,8,16 etc.) and send those values to the message queue. Write three separate programs to read and display the binary, octal, and hex values from the message queue distinctively.
Sender Program
//This Code is Written by Souvik Ghosh and Debmitra Chatterjee
// C Program for Message Queue (Sender Process)
#include <stdio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
// structure for message queue
typedef struct {
// message type
long mesg_type;
// array to store payLoad
int payLoad[100];
// data size under payLoad
int size;
int hex;
} message;
int main()
{
key_t key;
int msgid;
// ftok to generate unique key
key = ftok("progfile", 65);
// msgget creates a message queue
// and returns identifier
msgid = msgget(key, 0666 | IPC_CREAT);
//input decimal number
printf("Write Data: ");
int n;
scanf("%d",&n);
// For Binary
message m1;
m1.mesg_type = 2;
int temp=n;
// decimal to binary convertion
int i = 0;
while (temp > 0) {
m1.payLoad[i] = temp % 2;
temp = temp / 2;
i++;
}
m1.size=i;
// msgsnd to send message
msgsnd(msgid, &m1, sizeof(m1), 0);
// display the message
printf("Send Binary Value: ");
for (int j = i - 1; j >= 0; j--){
printf("%d", m1.payLoad[j]);
}
printf("\n");
// For Octal
message m2;
m2.mesg_type=8;
temp=n;
// decimal to octal convertion
i = 0;
while (temp > 0) {
m2.payLoad[i] = temp % 8;
temp = temp / 8;
i++;
}
m2.size=i;
// msgsnd to send message
msgsnd(msgid, &m2, sizeof(m2), 0);
// display the message
printf("Send Octal Value: ");
for (int j = i - 1; j >= 0; j--){
printf("%d", m2.payLoad[j]);
}
printf("\n");
// For HexaDecimal
message m3;
m3.mesg_type=16;
m3.hex = n;
// msgsnd to send message
msgsnd(msgid, &m3, sizeof(m3), 0);
// display the message
printf("Send HexaDecimal Value: %X",m3.hex);
printf("\n");
return 0;
}
Binary Receiver
//This Code is Written by Souvik Ghosh and Debmitra Chatterjee
// C Program for Message Queue ( Binary Receiver Process)
#include <stdio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
// structure for message queue
typedef struct {
// message type
long mesg_type;
// array to store payLoad
int payLoad[100];
// data size under payLoad
int size;
} message;
int main()
{
key_t key;
int msgid;
// ftok to generate unique key
key = ftok("progfile", 65);
// msgget creates a message queue
// and returns identifier
msgid = msgget(key, 0666 | IPC_CREAT);
message m1;
printf("Receiving message.....\n");
// msgrcv to receive message
msgrcv(msgid, &m1, sizeof(m1), 2, 0);
// display the message
printf("Received Binary Value: ");
int i=m1.size;
for (int j = i - 1; j >= 0; j--){
printf("%d", m1.payLoad[j]);
}
printf("\n");
// to destroy the message queue
msgctl(msgid, IPC_RMID, NULL);
return 0;
}
Octal Receiver
//This Code is Written by Souvik Ghosh
// C Program for Message Queue (Octal Receiver Process)
#include <stdio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
// structure for message queue
typedef struct {
// message type
long mesg_type;
// array to store payLoad
int payLoad[100];
// data size under payLoad
int size;
} message;
int main()
{
key_t key;
int msgid;
// ftok to generate unique key
key = ftok("progfile", 65);
// msgget creates a message queue
// and returns identifier
msgid = msgget(key, 0666 | IPC_CREAT);
message m2;
printf("Receiving message.....\n");
// msgrcv to receive message
msgrcv(msgid, &m2, sizeof(m2), 8, 0);
// display the message
printf("Received Octal Value: ");
int i=m2.size;
for (int j = i - 1; j >= 0; j--){
printf("%d", m2.payLoad[j]);
}
printf("\n");
// to destroy the message queue
msgctl(msgid, IPC_RMID, NULL);
return 0;
}
Hex Receiver
//This code is Written by Souvik Ghosh
// C Program for Message Queue (Hex Receiver Process)
#include <stdio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
// structure for message queue
typedef struct {
// message type
long mesg_type;
// array to store payLoad
int payLoad[100];
// data size under payLoad
int size;
int hex;
} message;
int main()
{
key_t key;
int msgid;
// ftok to generate unique key
key = ftok("progfile", 65);
// msgget creates a message queue
// and returns identifier
msgid = msgget(key, 0666 | IPC_CREAT);
message m3;
printf("Receiving message.....\n");
// msgrcv to receive message
msgrcv(msgid, &m3, sizeof(m3), 16, 0);
// display the message
printf("Received HexaDecimal Value: %X",m3.hex);
printf("\n");
// to destroy the message queue
msgctl(msgid, IPC_RMID, NULL);
return 0;
}
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