Add sunrpc.

src/libsunrpc/net.c

@@ -0,0 +1,57 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include <sunrpc.h>
+
+typedef struct Arg Arg;
+struct Arg
+{
+	int fd;
+	char adir[40];
+	SunSrv *srv;
+};
+
+static void
+sunnetlisten(void *v)
+{
+	int fd, lcfd;
+	char ldir[40];
+	Arg *a = v;
+
+	for(;;){
+		lcfd = listen(a->adir, ldir);
+		if(lcfd < 0)
+			break;
+		fd = accept(lcfd, ldir);
+		close(lcfd);
+		if(fd < 0)
+			continue;
+		if(!sunsrvfd(a->srv, fd))
+			close(fd);
+	}
+	free(a);
+	close(a->fd);
+}
+
+int
+sunsrvnet(SunSrv *srv, char *addr)
+{
+	Arg *a;
+
+	a = emalloc(sizeof(Arg));
+	if((a->fd = announce(addr, a->adir)) < 0)
+		return -1;
+	a->srv = srv;
+
+	proccreate(sunnetlisten, a, SunStackSize);
+	return 0;
+}
+
+int
+sunsrvannounce(SunSrv *srv, char *addr)
+{
+	if(strstr(addr, "udp!"))
+		return sunsrvudp(srv, addr);
+	else
+		return sunsrvnet(srv, addr);
+}