basic messaging socket

KVClient.c

@@ -9,3 +9,66 @@ send GET , PUT , and DELETE requests to the server process. It will have a main
 client library interfaces to do the actual operations.
 
 */
+#include <netdb.h> 
+#include <stdio.h> 
+#include <stdlib.h> 
+#include <string.h> 
+#include <sys/socket.h> 
+#define MAX 80 
+#define PORT 8080 
+#define SA struct sockaddr 
+void func(int sockfd) 
+{ 
+    char buff[MAX]; 
+    int n; 
+    for (;;) { 
+        bzero(buff, sizeof(buff)); 
+        printf("Enter the string : "); 
+        n = 0; 
+        while ((buff[n++] = getchar()) != '\n') 
+            ; 
+        write(sockfd, buff, sizeof(buff)); 
+        bzero(buff, sizeof(buff)); 
+        read(sockfd, buff, sizeof(buff)); 
+        printf("From Server : %s", buff); 
+        if ((strncmp(buff, "exit", 4)) == 0) { 
+            printf("Client Exit...\n"); 
+            break; 
+        } 
+    } 
+} 
+  
+int main() 
+{ 
+    int sockfd, connfd; 
+    struct sockaddr_in servaddr, cli; 
+  
+    // socket create and varification 
+    sockfd = socket(AF_INET, SOCK_STREAM, 0); 
+    if (sockfd == -1) { 
+        printf("socket creation failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Socket successfully created..\n"); 
+    bzero(&servaddr, sizeof(servaddr)); 
+  
+    // assign IP, PORT 
+    servaddr.sin_family = AF_INET; 
+    servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 
+    servaddr.sin_port = htons(PORT); 
+  
+    // connect the client socket to server socket 
+    if (connect(sockfd, (SA*)&servaddr, sizeof(servaddr)) != 0) { 
+        printf("connection with the server failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("connected to the server..\n"); 
+  
+    // function for chat 
+    func(sockfd); 
+  
+    // close the socket 
+    close(sockfd); 
+} 
\ No newline at end of file

KVServer.c

@@ -57,4 +57,110 @@ error. (Assume each character to be 1 byte in size)
     readers single writer locks for efficiency.
     KVClient
 
-*/
\ No newline at end of file
+*/
+#include <stdio.h> 
+#include <netdb.h> 
+#include <netinet/in.h> 
+#include <stdlib.h> 
+#include <string.h> 
+#include <sys/socket.h> 
+#include <sys/types.h> 
+#define MAX 80 
+#define PORT 8080 
+#define SA struct sockaddr 
+  
+// Function designed for chat between client and server. 
+void func(int sockfd) 
+{ 
+    char buff[MAX]; 
+    int n; 
+    // infinite loop for chat 
+    for (;;) { 
+        bzero(buff, MAX); 
+  
+        // read the message from client and copy it in buffer 
+        read(sockfd, buff, sizeof(buff)); 
+        // print buffer which contains the client contents 
+        printf("From client: %s\t To client : ", buff); 
+        bzero(buff, MAX); 
+        n = 0; 
+        // copy server message in the buffer 
+        while ((buff[n++] = getchar()) != '\n') 
+            ; 
+  
+        // and send that buffer to client 
+        write(sockfd, buff, sizeof(buff)); 
+  
+        // if msg contains "Exit" then server exit and chat ended. 
+        if (strncmp("exit", buff, 4) == 0) { 
+            printf("Server Exit...\n"); 
+            break; 
+        } 
+    } 
+} 
+  
+// Driver function 
+int main() 
+{ 
+    int sockfd, connfd, len; 
+    struct sockaddr_in servaddr, cli; 
+  
+    // socket create and verification 
+    sockfd = socket(AF_INET, SOCK_STREAM, 0); 
+    if (sockfd == -1) { 
+        printf("socket creation failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Socket successfully created..\n"); 
+    bzero(&servaddr, sizeof(servaddr)); 
+  
+    // assign IP, PORT 
+    servaddr.sin_family = AF_INET; 
+    servaddr.sin_addr.s_addr = htonl(INADDR_ANY); 
+    servaddr.sin_port = htons(PORT); 
+  
+    // Binding newly created socket to given IP and verification 
+    if ((bind(sockfd, (SA*)&servaddr, sizeof(servaddr))) != 0) { 
+        printf("socket bind failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Socket successfully binded..\n"); 
+  
+    // Now server is ready to listen and verification 
+    if ((listen(sockfd, 5)) != 0) { 
+        printf("Listen failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Server listening..\n"); 
+    len = sizeof(cli); 
+  
+    // Accept the data packet from client and verification 
+    while(1)
+    { //
+        connfd = accept(sockfd, (SA*)&cli, &len); 
+        if (connfd < 0)
+        { 
+            printf("server acccept failed...\n"); 
+            exit(0); 
+        } 
+        else
+            printf("server acccept the client...\n"); 
+    
+    }
+    connfd = accept(sockfd, (SA*)&cli, &len); 
+    if (connfd < 0) { 
+        printf("server acccept failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("server acccept the client...\n"); 
+  
+    // Function for chatting between client and server 
+    func(connfd); 
+  
+    // After chatting close the socket 
+    close(sockfd); 
+} 
\ No newline at end of file

Makefile

+all: KVClient.c KVServer.c
+	gcc KVServer.c -o server
+	gcc KVClient.c -o client
\ No newline at end of file

README.txt

-Team:
-Samarth Joshi	203059008
-Roshan Sahu	203050048
-
-
-How to Build:
-
-
-How to Run:
-
-
-References:
-