testing connected versus disconnected sockets

test/sock_conn.c

@@ -0,0 +1,61 @@
+/*
+ * $Id$
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <arpa/inet.h>
+
+/* results:
+
+
+real    0m23.332s
+user    0m0.410s
+sys     0m15.710s
+
+*/
+
+
+
+
+/* which socket to use? main socket or new one? */
+int udp_send()
+{
+
+	register int i;
+	 int n;
+	char buffer;
+	int sock;
+	struct sockaddr_in addr;
+
+	if ((sock=socket(PF_INET, SOCK_DGRAM, 0))<0) {
+		fprintf( stderr, "socket error\n");
+		exit(1);
+	}
+
+
+	memset( &addr, 0, sizeof(struct sockaddr_in));
+	addr.sin_family=AF_INET;
+	addr.sin_port=htons(9);
+	addr.sin_addr.s_addr= inet_addr("127.0.0.1");
+
+	if (connect(sock, (struct sockaddr *) &addr, sizeof(addr))==-1) {
+		fprintf( stderr, "connect failed\n");
+		exit(1);
+	}
+
+	for (i=0; i<1024*1024*16; i++) 
+		write( sock, &buffer, 1 );
+/*		sendto(sock, &buffer, 1, 0, (struct sockaddr *) &addr, sizeof(addr)); */
+
+}
+
+main() {
+
+	udp_send();
+}

test/sock_disc.c

@@ -0,0 +1,54 @@
+/*
+ * $Id$
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <arpa/inet.h>
+
+/* results:
+
+
+real    0m23.332s
+user    0m0.410s
+sys     0m15.710s
+
+*/
+
+
+
+
+/* which socket to use? main socket or new one? */
+int udp_send()
+{
+
+	register int i;
+	 int n;
+	char buffer;
+	int sock;
+	struct sockaddr_in addr;
+
+	if ((sock=socket(PF_INET, SOCK_DGRAM, 0))<0) {
+		fprintf( stderr, "socket error\n");
+		exit(1);
+	}
+
+	memset( &addr, 0, sizeof(struct sockaddr_in));
+	addr.sin_family=AF_INET;
+	addr.sin_port=htons(9);
+	addr.sin_addr.s_addr= inet_addr("127.0.0.1");
+
+	for (i=0; i<1024*1024*16; i++) 
+		sendto(sock, &buffer, 1, 0, (struct sockaddr *) &addr, sizeof(addr));
+
+}
+
+main() {
+
+	udp_send();
+}