[igt-dev] [PATCH i-g-t v2] lib/igt_chamelium: Use curl timeout for xmlrpc calls

[Juha-Pekka Heikkila]

Patch look ok to me. I suspect there may be revealed chamelium related 
issues by this but they probably can be 'fixed' by increasing timeouts 
if there show some complex timing problems.

Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

On 30.9.2020 14.53, Petri Latvala wrote:
> Use of timeouts everywhere is meaningless if xmlrpc calls are allowed
> to be blocking forever.
> 
> v2: Use milliseconds correctly (Juha-Pekka)
> 
> Signed-off-by: Petri Latvala <petri.latvala at intel.com>
> Cc: Kunal Joshi <kunal1.joshi at intel.com>
> Cc: Arkadiusz Hiler <arek at hiler.eu>
> Cc: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com> #v1
> ---
>   lib/igt_chamelium.c | 13 ++++++++++++-
>   1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/igt_chamelium.c b/lib/igt_chamelium.c
> index d9fab902..585fdfa8 100644
> --- a/lib/igt_chamelium.c
> +++ b/lib/igt_chamelium.c
> @@ -2427,11 +2427,22 @@ void chamelium_deinit_rpc_only(struct chamelium *chamelium)
>   struct chamelium *chamelium_init_rpc_only(void)
>   {
>   	struct chamelium *chamelium = malloc(sizeof(struct chamelium));
> +	struct xmlrpc_clientparms clientparms;
> +	struct xmlrpc_curl_xportparms curlparms;
>   
>   	if (!chamelium)
>   		return NULL;
>   
>   	memset(chamelium, 0, sizeof(*chamelium));
> +	memset(&clientparms, 0, sizeof(clientparms));
> +	memset(&curlparms, 0, sizeof(curlparms));
> +
> +	/* curl's timeout is in milliseconds */
> +	curlparms.timeout = _RECEIVER_RESPONSIVE_AFTER_RESET_SECONDS * 1000;
> +
> +	clientparms.transport = "curl";
> +	clientparms.transportparmsP = &curlparms;
> +	clientparms.transportparm_size = XMLRPC_CXPSIZE(timeout);
>   
>   	chamelium->drm_fd = -1;
>   
> @@ -2439,7 +2450,7 @@ struct chamelium *chamelium_init_rpc_only(void)
>   	xmlrpc_env_init(&chamelium->env);
>   	xmlrpc_client_setup_global_const(&chamelium->env);
>   	xmlrpc_client_create(&chamelium->env, XMLRPC_CLIENT_NO_FLAGS, PACKAGE,
> -			     PACKAGE_VERSION, NULL, 0, &chamelium->client);
> +			     PACKAGE_VERSION, &clientparms, 0, &chamelium->client);
>   	if (chamelium->env.fault_occurred) {
>   		igt_debug("Failed to init xmlrpc: %s\n",
>   			  chamelium->env.fault_string);
>