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client.c

-#include <stdio.h>
-#include "client.h"
-#include <sys/socket.h>
-#include <netdb.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <time.h>
-
-int connectToServer(char *addr, char *portNo) {
-    int sockfd = socket(AF_INET, SOCK_STREAM, 0);
-    struct addrinfo hints, *result;
-
-    memset(&hints, 0, sizeof(struct addrinfo));
-    hints.ai_family = AF_INET;
-    hints.ai_socktype = SOCK_STREAM;
-
-    // getaddrinfo return getaddr objects by searching using the provided hints, name, service
-    int s = getaddrinfo(addr, portNo, &hints, &result);
-    if(s != 0) {
-        fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(s));
-        return -1;
-    }
-
-    connect(sockfd, result->ai_addr, result->ai_addrlen);
-
-    sendToServer(sockfd);
-
-    return 0;
-}
-
-void sendToServer(int sockfd) {
-    printf("Enter the index no to choose an option...\n");
-    printf("------OPTIONS------\n1. GET\n2. PUT\n3. DELETE\n4. EXIT\n");
-    int choice;
-    char *buffer = (char *)malloc(513*sizeof(char));
-    int number_of_requests = 0;
-    struct timespec start, end;
-    clock_gettime(CLOCK_MONOTONIC_RAW, &start);
-    while(1) {
-        printf("Enter choice: ");
-        scanf("%d", &choice);
-        char key[100], value[100];
-        switch(choice) {
-            case 1:
-                printf("Key: ");
-                scanf("%s", key);
-                GET(key, buffer);
-                break;
-            case 2:
-                printf("Key: ");
-                scanf("%s", key);
-                printf("Value: ");
-                scanf("%s", value);
-                PUT(key, value, buffer);
-                break;
-            case 3:
-                printf("Key: ");
-                scanf("%s", key);
-                DELETE(key, buffer);
-                break;
-            case 4:
-                printf("Requested for connection termination\n");
-                terminateConnection(buffer);
-                // return NULL;
-                break;
-        }
-        // printf("buffer : %s\n", buffer);
-        write(sockfd, buffer, strlen(buffer));
-        char recvBuffer[1000];
-        int len = read(sockfd, recvBuffer, 999);
-        recvBuffer[len] = '\0';
-        printf("%s\n", recvBuffer);
-        if(choice==4)
-        {
-            clock_gettime(CLOCK_MONOTONIC_RAW, &end);
-            uint64_t delta_us = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_nsec - start.tv_nsec) / 1000;
-            printf("Throughput : %f\n", (float)number_of_requests / (float)delta_us);
-            float tput;
-            FILE *ptr = fopen("client.txt", "r");
-            if(!ptr) {
-                ptr = fopen("client.txt", "w");
-            }
-            fscanf(ptr, "%f", &tput);
-            fclose(ptr);
-            ptr = fopen("client.txt", "w");
-            tput += (float)number_of_requests / (float)delta_us;
-            fprintf(ptr, "%f", tput);
-            fclose(ptr);
-            return NULL;
-        }
-    }
-    // char buffer[100];
-    // while(fgets(buffer, 100, stdin) != NULL) {
-    //     write(sockfd, buffer, strlen(buffer));
-    //     char recvBuffer[1000];
-    //     int len = read(sockfd, recvBuffer, 999);
-    //     recvBuffer[len] = '\0';
-    //     printf("%s\n", recvBuffer);
-    // }
-}
-
-int GET(char* key, char *request) {
-    // printf("GET called!\n");
-    // char request[513];
-    memset(request, '0', 513);
-    request[0] = '1';
-    // memcpy(request+1, key, strlen(key));
-    memcpy(request+257-strlen(key), key, strlen(key));
-    // printf("request : %s\n", request);
-}
-
-int PUT(char* key, char* value, char *request) {
-    // printf("PUT called!\n");
-    // char request[513];
-    memset(request, '0', 513);
-    request[0] = '2';
-    // memcpy(request+1, key, strlen(key));
-    memcpy(request+257-strlen(key), key, strlen(key));
-    memcpy(request+513-strlen(value), value, strlen(value));
-    // printf("key at index: %ld\n", 257-strlen(key));
-    // printf("value at index: %ld\n", 513-strlen(value));
-}
-int DELETE(char* key, char *request) {
-    // char request[513];
-    // printf("DELETE called!\n");
-    memset(request, '0', 513);
-    request[0] = '3';
-    // memcpy(request+1, key, strlen(key));
-    memcpy(request+257-strlen(key), key, strlen(key));
-    // printf("%s\n", request);
-}
-
-void terminateConnection(char *request) {
-    //char request[513];
-    // printf("Termination function called\n");
-    memset(request, '0', 513);
-    request[0]='4';
-    request[512]='\0';
-}
-
-int main(int  argc, char **argv) {
-    printf("IP = %s, Port = %s\n", argv[1], argv[2]);
-    // PUT("100", "200");
-    connectToServer(argv[1], argv[2]);
-    return 0;
-}

client.cpp

@@ -62,18 +62,6 @@ void sendToServer(int sockfd) {
                 terminateConnection(buffer);
                 break;
         }
-        write(sockfd, buffer, strlen(buffer));
-        char recvBuffer[514];
-        int len = read(sockfd, recvBuffer, 513);
-        recvBuffer[len] = '\0';
-        if(recvBuffer[0] == (char)200) {
-            cout << "Operation Successful" << endl;
-        }
-        else {
-            cout << "Operation Unsuccessful" << endl;
-        }
-        printf("%s\n", &recvBuffer[1]);
-
         if(choice==4)
         {
             gettimeofday(&stop, NULL);
@@ -95,6 +83,17 @@ void sendToServer(int sockfd) {
             fclose(ptr);
             return ;
         }
+        write(sockfd, buffer, strlen(buffer));
+        char recvBuffer[514];
+        int len = read(sockfd, recvBuffer, 513);
+        recvBuffer[len] = '\0';
+        if(recvBuffer[0] == (char)200) {
+            cout << "Operation Successful" << endl;
+        }
+        else {
+            cout << "Operation Unsuccessful" << endl;
+        }
+        printf("%s\n", &recvBuffer[1]);
         number_of_requests++;
     }
 }