1 files changed, 49 insertions, 0 deletions
diff --git a/demo/nginx_proxy/demo-2/udpclient.c b/demo/nginx_proxy/demo-2/udpclient.c
new file mode 100644
index 0000000..3aca2df
--- /dev/null
+++ b/demo/nginx_proxy/demo-2/udpclient.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#define PORT     53
+#define MAXLINE 1024
+
+// Driver code
+int main()
+{
+    int sockfd;
+    char buffer[MAXLINE];
+    char *hello = "Hello from client";
+    struct sockaddr_in servaddr;
+
+    // Creating socket file descriptor
+    if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+    {
+        perror("socket creation failed");
+        exit(EXIT_FAILURE);
+    }
+
+    memset(&servaddr, 0, sizeof(servaddr));
+
+    // Filling server information
+    servaddr.sin_family = AF_INET;
+    servaddr.sin_port = htons(PORT);
+    servaddr.sin_addr.s_addr = inet_addr("192.168.50.20");
+
+    int n, len;
+
+    sendto(sockfd, (const char *) hello, strlen(hello),
+           MSG_CONFIRM, (const struct sockaddr *) &servaddr,
+           sizeof(servaddr));
+    printf("Hello message sent.\n");
+
+    n = recvfrom(sockfd, (char *) buffer, MAXLINE,
+                 MSG_WAITALL, (struct sockaddr *) &servaddr, &len);
+    buffer[n] = '\0';
+    printf("Server : %s\n", buffer);
+
+    close(sockfd);
+    return 0;
+}