[dpdk-dev] [PATCH v2 2/2] telemetry: add extra log message on socket bind failure

[Morten Brørup]

> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Bruce Richardson
> Sent: Friday, 2 July 2021 14.56
> 
> 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>
> ---
>  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
> 
Acked-by: Morten Brørup <mb at smartsharesystems.com>