From: Bruce Richardson <bruce.richardson@intel.com>
To: "Morten Brørup" <mb@smartsharesystems.com>
Cc: Chengwen Feng <fengchengwen@huawei.com>,
thomas@monjalon.net, ferruh.yigit@xilinx.com,
kevin.laatz@intel.com, andrew.rybchenko@oktetlabs.ru,
jerinj@marvell.com, sachin.saxena@oss.nxp.com,
hemant.agrawal@nxp.com, dev@dpdk.org
Subject: Re: [PATCH 1/5] usertools: use non-strict when json-loads in telemetry
Date: Wed, 15 Jun 2022 17:54:55 +0100 [thread overview]
Message-ID: <YqoO36UqeAomXSSL@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35D87126@smartserver.smartshare.dk>
On Wed, Jun 15, 2022 at 03:54:57PM +0200, Morten Brørup wrote:
> > From: Chengwen Feng [mailto:fengchengwen@huawei.com]
> > Sent: Wednesday, 15 June 2022 09.39
> >
> > Use 'strict=False' in json-loads, it will ignore control characters
> > (e.g. '\n\t'), this patch is prepared for the support of telemetry dump
> > in the future.
> >
> > Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
> > ---
> > usertools/dpdk-telemetry.py | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/usertools/dpdk-telemetry.py b/usertools/dpdk-telemetry.py
> > index a81868a547..63f8004566 100755
> > --- a/usertools/dpdk-telemetry.py
> > +++ b/usertools/dpdk-telemetry.py
> > @@ -27,7 +27,7 @@ def read_socket(sock, buf_len, echo=True):
> > """ Read data from socket and return it in JSON format """
> > reply = sock.recv(buf_len).decode()
> > try:
> > - ret = json.loads(reply)
> > + ret = json.loads(reply, strict=False)
> > except json.JSONDecodeError:
> > print("Error in reply: ", reply)
> > sock.close()
> > --
> > 2.33.0
> >
>
> As I understand this patch, it accepts non-JSON data from the telemetry socket.
>
> Isn't it is a major protocol violation if the telemetry socket produces output requiring this modification? Doing that would break other applications expecting strictly JSON formatted output from the telemetry socket.
>
I would tend to agree.
As an alternative, I think you should add to the telemetry library an
"escape string" function which can then be used by the telemetry functions
to properly json encode the strings back from the dump functions before
sending them out.
/Bruce
next prev parent reply other threads:[~2022-06-15 16:55 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-15 7:39 [PATCH 0/5] support telemetry dump dev Chengwen Feng
2022-06-15 7:39 ` [PATCH 1/5] usertools: use non-strict when json-loads in telemetry Chengwen Feng
2022-06-15 13:54 ` Morten Brørup
2022-06-15 16:54 ` Bruce Richardson [this message]
2022-06-15 18:01 ` Morten Brørup
2022-06-15 20:09 ` Morten Brørup
2022-06-15 7:39 ` [PATCH 2/5] dmadev: support telemetry dump dmadev Chengwen Feng
2022-06-15 7:39 ` [PATCH 3/5] eventdev: support telemetry dump eventdev Chengwen Feng
2022-06-15 7:39 ` [PATCH 4/5] rawdev: support telemetry dump rawdev Chengwen Feng
2022-06-15 7:39 ` [PATCH 5/5] ethdev: support telemetry private dump Chengwen Feng
2022-06-15 20:15 ` [PATCH 0/5] support telemetry dump dev Morten Brørup
2022-06-16 8:19 ` Bruce Richardson
2022-06-16 9:00 ` Morten Brørup
2022-06-17 9:46 ` [PATCH v2 0/5] support telemetry dump Chengwen Feng
2022-06-17 9:46 ` [PATCH v2 1/5] telemetry: escape special char when tel string Chengwen Feng
2022-06-17 11:16 ` Morten Brørup
2022-06-17 11:25 ` Bruce Richardson
2022-06-17 17:05 ` Stephen Hemminger
2022-06-18 3:52 ` fengchengwen
2022-06-18 9:59 ` Morten Brørup
2022-06-22 7:57 ` Power, Ciara
2022-06-22 9:19 ` Bruce Richardson
2022-06-23 16:45 ` Bruce Richardson
2022-06-17 11:27 ` Bruce Richardson
2022-06-17 9:46 ` [PATCH v2 2/5] dmadev: support telemetry dump dmadev Chengwen Feng
2022-06-17 9:46 ` [PATCH v2 3/5] eventdev: support telemetry dump eventdev Chengwen Feng
2022-06-17 9:46 ` [PATCH v2 4/5] rawdev: support telemetry dump rawdev Chengwen Feng
2022-06-17 9:46 ` [PATCH v2 5/5] ethdev: support telemetry private dump Chengwen Feng
2022-09-13 2:44 ` [PATCH v3 0/4] support telemetry dump dev Chengwen Feng
2022-09-13 2:44 ` [PATCH v3 1/4] dmadev: support telemetry dump dmadev Chengwen Feng
2022-09-13 2:44 ` [PATCH v3 2/4] eventdev: support telemetry dump eventdev Chengwen Feng
2022-09-13 2:44 ` [PATCH v3 3/4] rawdev: support telemetry dump rawdev Chengwen Feng
2022-09-13 2:44 ` [PATCH v3 4/4] ethdev: support telemetry private dump Chengwen Feng
2022-09-13 7:13 ` [PATCH v4 0/4] support telemetry dump dev Chengwen Feng
2022-09-13 7:13 ` [PATCH v4 1/4] dmadev: support telemetry dump dmadev Chengwen Feng
2022-09-13 7:13 ` [PATCH v4 2/4] eventdev: support telemetry dump eventdev Chengwen Feng
2022-09-13 7:13 ` [PATCH v4 3/4] rawdev: support telemetry dump rawdev Chengwen Feng
2022-09-13 7:13 ` [PATCH v4 4/4] ethdev: support telemetry private dump Chengwen Feng
2022-10-03 7:28 ` [PATCH v4 0/4] support telemetry dump dev David Marchand
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