[dpdk-dev] [PATCH v3 2/2] telemetry: add extra log message on socket bind failure
Bruce Richardson
bruce.richardson at intel.com
Wed Jul 7 14:52:55 CEST 2021
If the library fails to create the needed socket, add an additional
check to report if the error is due to a missing DPDK runtime dir.
Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
Reviewed-by: David Marchand <david.marchand at redhat.com>
Acked-by: Morten Brørup <mb at smartsharesystems.com>
Acked-by: Ciara Power <ciara.power at intel.com>
---
lib/telemetry/telemetry.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/telemetry/telemetry.c b/lib/telemetry/telemetry.c
index 6baba57ec2..8665db8d03 100644
--- a/lib/telemetry/telemetry.c
+++ b/lib/telemetry/telemetry.c
@@ -7,6 +7,7 @@
#include <pthread.h>
#include <sys/socket.h>
#include <sys/un.h>
+#include <sys/stat.h>
#include <dlfcn.h>
#endif /* !RTE_EXEC_ENV_WINDOWS */
@@ -422,7 +423,11 @@ create_socket(char *path)
strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
unlink(sun.sun_path);
if (bind(sock, (void *) &sun, sizeof(sun)) < 0) {
+ struct stat st;
+
TMTY_LOG(ERR, "Error binding socket: %s\n", strerror(errno));
+ if (stat(socket_dir, &st) < 0 || !S_ISDIR(st.st_mode))
+ TMTY_LOG(ERR, "Cannot access DPDK runtime directory: %s\n", socket_dir);
sun.sun_path[0] = 0;
goto error;
}
--
2.30.2
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