[igt-dev] [PATCH i-g-t 3/6] runner: Continue using socket comms when getting an invalid packet

[Kamil Konieczny]

On 2022-11-07 at 14:01:48 +0200, Petri Latvala wrote:
> If a packet of invalid size is received, inject a message in the dump,
> override result to warn, and continue grabbing packets.
> 
> Signed-off-by: Petri Latvala <petri.latvala at intel.com>
> Cc: Arkadiusz Hiler <arek at hiler.eu>
> Cc: Kamil Konieczny <kamil.konieczny at linux.intel.com>

Reviewed-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>

> ---
>  runner/executor.c | 15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/runner/executor.c b/runner/executor.c
> index 1fcc9afe..c6389e25 100644
> --- a/runner/executor.c
> +++ b/runner/executor.c
> @@ -1079,10 +1079,21 @@ static int monitor_output(pid_t child,
>  
>  				packet = (struct runnerpacket *)buf;
>  				if (s < sizeof(*packet) || s != packet->size) {
> +					struct runnerpacket *message, *override;
> +
>  					errf("Socket communication error: Received %zd bytes, expected %zd\n",
>  					     s, s >= sizeof(packet->size) ? packet->size : sizeof(*packet));
> -					close(socketfd);
> -					socketfd = -1;
> +					message = runnerpacket_log(STDOUT_FILENO,
> +								   "\nrunner: Socket communication error, invalid packet size. "
> +								   "Packet is discarded, test result and logs might be incorrect.\n");
> +					write_packet_with_canary(outputs[_F_SOCKET], message, false);
> +					free(message);
> +
> +					override = runnerpacket_resultoverride("warn");
> +					write_packet_with_canary(outputs[_F_SOCKET], override, settings->sync);
> +					free(override);
> +
> +					/* Continue using socket comms, hope for the best. */
>  					goto socket_end;
>  				}
>  
> -- 
> 2.30.2
>