From 4e88857b275cfe81fd6dd2f119e7c94081af7573 Mon Sep 17 00:00:00 2001
From: Cedric Roux <cedric.roux@eurecom.fr>
Date: Mon, 25 Apr 2016 17:27:22 +0200
Subject: [PATCH] let the soft-modem (or the program being traced, whatever it
is) try to connect until it succeeds
---
common/utils/T/T.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/common/utils/T/T.c b/common/utils/T/T.c
index 13bf25b324..4876fe8652 100644
--- a/common/utils/T/T.c
+++ b/common/utils/T/T.c
@@ -113,15 +113,27 @@ void T_connect_to_tracer(char *addr, int port)
int T_shm_fd;
#endif
+ if (strcmp(addr, "127.0.0.1") != 0) {
+ printf("error: local tracer must be on same host\n");
+ abort();
+ }
+
+ printf("connecting to local tracer on port %d\n", port);
+again:
s = socket(AF_INET, SOCK_STREAM, 0);
if (s == -1) { perror("socket"); exit(1); }
a.sin_family = AF_INET;
a.sin_port = htons(port);
- a.sin_addr.s_addr = inet_addr(addr);
-
- if (connect(s, (struct sockaddr *)&a, sizeof(a)) == -1)
- { perror("connect"); exit(1); }
+ a.sin_addr.s_addr = inet_addr("127.0.0.1");
+
+ if (connect(s, (struct sockaddr *)&a, sizeof(a)) == -1) {
+ perror("connect");
+ close(s);
+ printf("trying again in 1s\n");
+ sleep(1);
+ goto again;
+ }
/* wait for first message - initial list of active T events */
get_message(s);
--
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