Initial commit

server.c

@@ -0,0 +1,60 @@
+
+#include "config.h"
+#include "die.h"
+#include "payload_blob.h" // defines binary_data[]
+
+#include <errno.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+int main()
+{
+    int new_socket;
+    struct sockaddr_in address;
+    int addrlen = sizeof(address);
+    char buffer[BUF_SIZE] = {0};
+
+    // Creating socket file descriptor
+    int server_fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (server_fd == -1)
+        die("socket failed");;
+
+    // Forcefully attaching socket to the port 8080
+    int opt = 1;
+    int ok = setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT,
+            &opt, sizeof opt);
+    if (ok == -1) die("setsockopt");;
+
+    address.sin_family      = AF_INET;
+    address.sin_addr.s_addr = INADDR_ANY;
+    address.sin_port        = htons(PORT);
+
+    bind(server_fd, (struct sockaddr *)&address, sizeof(address));
+    if (ok == -1) die("bind failed");
+
+    ok = listen(server_fd, 3);
+    if (ok == -1) die("listen");
+
+    while (1) {
+        ssize_t n;
+        new_socket = accept(server_fd, (struct sockaddr*)&address,
+                (socklen_t*)&addrlen);
+        if (new_socket == -1) die("accept");
+
+        n = read(new_socket, buffer, BUF_SIZE);
+        if (n == -1) die("read");
+
+        n = write(new_socket, binary_data, sizeof binary_data);
+        if (n == -1) die("write");
+
+        ok = close(new_socket);
+        if (ok == -1) die("close");
+    }
+
+    return EXIT_SUCCESS;
+}
+