From 1a47d20fe2ccc21513511f5fb909149a719fe61e Mon Sep 17 00:00:00 2001
From: Lars Brinkhoff <lars@nocrew.org>
Date: Fri, 1 May 2026 09:49:05 +0200
Subject: [PATCH] Pass remote host name on command line.

The default is localhost.

Usage:

  netmem_cache [<PDP-10 host>]

  pdp6 [-m <netmem host>] [-p <netmem port>]
---
 netmem_cache/netmem_cache.c |  9 +++++++--
 pdp6/main.c                 | 25 +++++++++----------------
 2 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/netmem_cache/netmem_cache.c b/netmem_cache/netmem_cache.c
index 6ff4158..ec38426 100644
--- a/netmem_cache/netmem_cache.c
+++ b/netmem_cache/netmem_cache.c
@@ -4,6 +4,8 @@
 #include <stdlib.h>
 #include <poll.h>
 
+static const char *host = "localhost";
+
 enum
 {
 	WRRQ = 1,
@@ -252,7 +254,7 @@ handlecon(int confd, void *arg, int port)
 {
 	memfd = confd;
 printf("connected to pdp-6 %d\n", memfd);
-	int fd = dial("maya", 10006);
+	int fd = dial(host, 10006);
 	if(fd < 0)
 		goto discon;
 printf("connected fd %d\n", fd);
@@ -267,13 +269,16 @@ printf("connected fd %d\n", fd);
 }
 
 int
-main()
+main(int argc, char **argv)
 {
 	static struct PortHandler port20006 = {
 		.port = 20006,
 		.handle = handlecon
 	} ;
 
+	if (argc > 1)
+		host = argv[1];
+
         serveN(&port20006, 1, NULL);
 
 	return 0;
diff --git a/pdp6/main.c b/pdp6/main.c
index 1814991..d3025bc 100644
--- a/pdp6/main.c
+++ b/pdp6/main.c
@@ -352,15 +352,13 @@ netthread(void *arg)
         return nil;
 }
 
-/*
 char *argv0;
 void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-h host] [-p port]\n", argv0);
+	fprintf(stderr, "usage: %s [-m host] [-p port]\n", argv0);
 	exit(1);
 }
-*/
 
 static void
 cleanup(void *arg)
@@ -383,23 +381,19 @@ main(int argc, char *argv[])
 	Panel *panel;
 	PDP6 pdp6, *pdp = &pdp6;
 
-/*
-	const char *host;
-	int port;
+	const char *mhost = "localhost";
+	int mport = 20006;
 
-	host = "localhost";
-	port = 3400;
 	ARGBEGIN {
-	case 'h':
-		host = EARGF(usage());
+	case 'm':
+		mhost = EARGF(usage());
 		break;
 	case 'p':
-		port = atoi(EARGF(usage()));
+		mport = atoi(EARGF(usage()));
 		break;
 	default:
 		usage();
 	} ARGEND;
-*/
 
 	panel = getpanel();
 	if(panel == nil) {
@@ -448,13 +442,12 @@ main(int argc, char *argv[])
 
 
 
-//	pdp->netmem_fd.fd = dial("maya", 10006);
-/*
-	pdp->netmem_fd.fd = dial("maya", 20006);
+	pdp->netmem_fd.fd = dial(mhost, mport);
 	if(pdp->netmem_fd.fd >= 0)
 		printf("netmem connected\n");
+	else
+		printf("netmem not connected\n");
 	waitfd(&pdp->netmem_fd);
-*/
 
 void initlua(PDP6 *pdp);
         initlua(pdp);