first commit

server.c

@@ -0,0 +1,78 @@
+
+// Server side C/C++ program to demonstrate Socket programming 
+#include <unistd.h> 
+#include <stdio.h> 
+#include <sys/socket.h> 
+#include <stdlib.h> 
+#include <netinet/in.h> 
+#include <string.h> 
+#include <pthread.h>
+
+#define PORT 8080 
+
+struct ClientNode {
+    int data;
+    char ip[16];
+};
+
+int count;
+struct ClientNode list[10];
+
+void client_handler() {
+    printf("thread");
+}
+
+int main(int argc, char const *argv[]) { 
+    int server_fd, new_socket, valread; 
+    struct sockaddr_in address; 
+    int opt = 1; 
+    int addrlen = sizeof(address); 
+    char buffer[1024] = {0}; 
+    char *hello = "Hello from server"; 
+
+    // Creating socket file descriptor 
+    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) { 
+        perror("socket failed"); 
+        exit(EXIT_FAILURE); 
+    } 
+
+    // Forcefully attaching socket to the port 8080 
+    if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) { 
+        perror("setsockopt"); 
+        exit(EXIT_FAILURE); 
+    } 
+    address.sin_family = AF_INET; 
+    address.sin_addr.s_addr = INADDR_ANY; 
+    address.sin_port = htons(PORT); 
+
+    // Forcefully attaching socket to the port 8080 
+    if (bind(server_fd, (struct sockaddr *)&address, sizeof(address))<0) { 
+        perror("bind failed"); 
+        exit(EXIT_FAILURE); 
+    }
+    if (listen(server_fd, 10) < 0) { 
+        perror("listen"); 
+        exit(EXIT_FAILURE); 
+    } 
+    while(1){
+        if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t*)&addrlen))<0) { 
+            perror("accept"); 
+            exit(EXIT_FAILURE); 
+        } 
+
+        struct ClientNode *c;
+
+        pthread_t id;
+        if (pthread_create(&id, NULL, (void *)client_handler, NULL) != 0) {
+            perror("Create pthread error!\n");
+            exit(EXIT_FAILURE);
+        }
+
+        valread = read( new_socket, buffer, 1024); 
+        printf("%s\n",buffer); 
+        send(new_socket, hello, strlen(hello), 0); 
+        printf("Hello message sent\n"); 
+        close(new_socket); 
+    }
+    return 0; 
+}