updated api tests

tests/api_test/udpclient6.c

@@ -0,0 +1,73 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+
+#define MAXBUF 65536
+
+int main(int argc, char* argv[])
+{
+   int sock;
+   int status;
+   struct addrinfo sainfo, *psinfo;
+   struct sockaddr_in6 sin6;
+   int sin6len;
+   char buffer[MAXBUF];
+
+   sin6len = sizeof(struct sockaddr_in6);
+
+   if(argc < 2)
+     printf("Specify a port number\n"), exit(1);
+
+   sock = socket(PF_INET6, SOCK_DGRAM,0);
+
+   memset(&sin6, 0, sizeof(struct sockaddr_in6));
+   sin6.sin6_port = htons(0);
+   sin6.sin6_family = AF_INET6;
+   sin6.sin6_addr = in6addr_any;
+
+   status = bind(sock, (struct sockaddr *)&sin6, sin6len);
+
+   if(-1 == status)
+     perror("bind"), exit(1);
+
+   memset(&sainfo, 0, sizeof(struct addrinfo));
+   memset(&sin6, 0, sin6len);
+
+   sainfo.ai_flags = 0;
+   sainfo.ai_family = PF_INET6;
+   sainfo.ai_socktype = SOCK_DGRAM;
+   sainfo.ai_protocol = IPPROTO_UDP;
+   status = getaddrinfo("ip6-localhost", argv[1], &sainfo, &psinfo);
+
+   switch (status) 
+     {
+      case EAI_FAMILY: printf("family\n");
+        break;
+      case EAI_SOCKTYPE: printf("stype\n");
+        break;
+      case EAI_BADFLAGS: printf("flag\n");
+        break;
+      case EAI_NONAME: printf("noname\n");
+        break;
+      case EAI_SERVICE: printf("service\n");
+        break;
+     }
+   sprintf(buffer,"Ciao");
+
+   status = sendto(sock, buffer, strlen(buffer), 0,
+                     (struct sockaddr *)psinfo->ai_addr, sin6len);
+   printf("buffer : %s \t%d\n", buffer, status);
+
+   // free memory
+   freeaddrinfo(psinfo);
+   psinfo = NULL;
+
+   shutdown(sock, 2);
+   close(sock);
+   return 0;
+}