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Re: [win-pv-devel] [PATCH 2/2] Log messages to dom0 log (if possible)



> -----Original Message-----
> From: win-pv-devel [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> Behalf Of Owen Smith
> Sent: 21 July 2016 12:12
> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Owen Smith
> Subject: [win-pv-devel] [PATCH 2/2] Log messages to dom0 log (if possible)
> 
> IoctlLog will strip any trailing newline and insert a single
> newline to enforce log file consistancy
> 
> Signed-off-by: Owen Smith <owen.smith@xxxxxxxxxx>

Acked-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

> ---
>  src/xenagent/service.cpp | 6 ++++++
>  src/xeniface/ioctls.c    | 6 ++++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/src/xenagent/service.cpp b/src/xenagent/service.cpp
> index 55dc8ca..182752f 100644
> --- a/src/xenagent/service.cpp
> +++ b/src/xenagent/service.cpp
> @@ -81,6 +81,12 @@ static CXenAgent s_service;
>      va_end(args);
> 
>      OutputDebugString(message);
> +
> +    // if possible, send to xeniface to forward to logs
> +    CCritSec crit(&s_service.m_crit);
> +    if (s_service.m_device) {
> +        s_service.m_device->Log(message);
> +    }
>  }
> 
>  /*static*/ int CXenAgent::ServiceInstall()
> diff --git a/src/xeniface/ioctls.c b/src/xeniface/ioctls.c
> index ca94658..f6a389f 100644
> --- a/src/xeniface/ioctls.c
> +++ b/src/xeniface/ioctls.c
> @@ -113,6 +113,7 @@ IoctlLog(
>      )
>  {
>      NTSTATUS    status;
> +     PCHAR           ptr;
> 
>      status = STATUS_INVALID_BUFFER_SIZE;
>      if (InLen == 0 || InLen > XENIFACE_LOG_MAX_LENGTH || OutLen != 0)
> @@ -122,6 +123,11 @@ IoctlLog(
>      if (!__IsValidStr(Buffer, InLen))
>          goto fail2;
> 
> +     // remove newlines from end of buffer
> +     for (ptr = Buffer + InLen - 1;
> +              ptr != Buffer && *ptr != 0 && *ptr != '\n';
> +              --ptr)
> +                     *ptr = 0;
>      XenIfaceDebugPrint(INFO, "USER: %s\n", Buffer);
>      return STATUS_SUCCESS;
> 
> --
> 1.9.4.msysgit.1
> 
> 
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> win-pv-devel@xxxxxxxxxxxxxxxxxxxx
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