shithub: 9pro

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fall back to a know hostname

--- a/9gc.c

+++ b/9gc.c

@@ -42,6 +42,8 @@

 static const char *nick;

 static int printjoin;

 static uint64_t chatoff, skipuntil;

+static char *registry = "tcp!registry.9gridchan.org!6675";

+static char *defsrv = "tcp!chat.9gridchan.org!9997";

 static uint8_t *

 ctxread(C9ctx *ctx, uint32_t size, int *err)

@@ -242,6 +244,7 @@

 				*s++ = 0;

 			if (strstr(b, "tlssrv") == NULL && (s = strchr(b, ' ')) != NULL) {

 				*s = 0;

+fallback:

 				close(a->f);

 				if ((a->f = dial(b)) < 0)

 					exit(1);

@@ -254,9 +257,8 @@

 				return;

 			}

 		}

-		fprintf(stderr, "chat hasn't been found in the registry\n");

-		exit(1);

-		break;

+		b = defsrv;

+		goto fallback;

 	case Rerror:

 		fprintf(stderr, "registry error: %s\n", r->error);

@@ -307,12 +309,18 @@

 	int i;

 	for (i = 0; i < 10; i++) {

-		if ((a = srv("tcp!registry.9gridchan.org!6675")) != NULL)

+		if ((a = srv(registry)) != NULL)

 			break;

 		sleep(5);

 	}

-	if (a == NULL)

-		return NULL;

+	if (a == NULL) {

+		if ((a = srv(defsrv)) != NULL) {

+			ctx->r = ctxchatR;

+			c9version(ctx, &tag, Msize);

+			wrsend(a);

+		}

+		return a;

+	}

 	a->c.r = ctxregistryR;

 	c9version(&a->c, &tag, Msize);