Re: [go-nuts] Re: Go 1.9 introduced error on UDP Multicast JoinGroup

[Harley Laue]

Might be a good excuse to try deposit (https://github.com/golang/dep)

I think

$ dep ensure -update

Might be roughly what you would have wanted in this case.

On Mon, Aug 28, 2017, 12:13 Paul Stead  wrote:

> Excellent catch James!  I looked, and it seems my x/net/ipv4 files were
> all from 2015.  I forced an update of those using go get -u, and things
> seem good now.  I'll need a way to ensure things get updated more
> completely going forward I guess.
>
> thank you.
> Paul
>
> On Mon, Aug 28, 2017 at 11:37 AM, James Bardin  wrote:
>
>>
>>
>> On Sunday, August 27, 2017 at 7:36:22 PM UTC-4, oldCoderException wrote:
>>>
>>> No.  I just downloaded and used 1.9 on its release last week.  I've
>>> reverted to 1.8.3 for now and, as mentioned, it's working fine for me.
>>>
>>>
>
>> Are you certain you also have the latest version of golang.org/x/net/ipv4
>> ?
>>
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Re: [go-nuts] Re: Go 1.9 introduced error on UDP Multicast JoinGroup

[Paul Stead]

Excellent catch James!  I looked, and it seems my x/net/ipv4 files were all
from 2015.  I forced an update of those using go get -u, and things seem
good now.  I'll need a way to ensure things get updated more completely
going forward I guess.

thank you.
Paul

On Mon, Aug 28, 2017 at 11:37 AM, James Bardin  wrote:

>
>
> On Sunday, August 27, 2017 at 7:36:22 PM UTC-4, oldCoderException wrote:
>>
>> No.  I just downloaded and used 1.9 on its release last week.  I've
>> reverted to 1.8.3 for now and, as mentioned, it's working fine for me.
>>
>>

> Are you certain you also have the latest version of golang.org/x/net/ipv4
> ?
>
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> topic/golang-nuts/PYT1wJYHEP0/unsubscribe.
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[go-nuts] Re: Go 1.9 introduced error on UDP Multicast JoinGroup

[James Bardin]

On Sunday, August 27, 2017 at 7:36:22 PM UTC-4, oldCoderException wrote:
>
> No.  I just downloaded and used 1.9 on its release last week.  I've 
> reverted to 1.8.3 for now and, as mentioned, it's working fine for me.
>
>
>>>
Are you certain you also have the latest version of golang.org/x/net/ipv4? 

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[go-nuts] Re: Go 1.9 introduced error on UDP Multicast JoinGroup

[Jason E. Aten]

https://github.com/golang/go/issues

I don't see an existing issue for this. I would file one with details about 
how to reproduce.

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[go-nuts] Re: Go 1.9 introduced error on UDP Multicast JoinGroup

[oldCoderException]

No.  I just downloaded and used 1.9 on its release last week.  I've 
reverted to 1.8.3 for now and, as mentioned, it's working fine for me.


On Sunday, 27 August 2017 16:28:48 UTC-7, Pierre Durand wrote:
>
> Did you test Go 1.9 betas or RCs ?
>
> Le lundi 28 août 2017 01:14:20 UTC+2, oldCoderException a écrit :
>>
>> Hi all,
>>
>> I upgraded to Go 1.9 and since then UDP multicast code that has been 
>> running fine for over a year is now failing on JoinGroup.  I run this 
>> program on linux Mint 18 as root (using sudo), both for the multicast 
>> permissions and also to allow listening on TCP port 80 and redirecting to 
>> port 443 for SSL.  The error returned from JoinGroup is "operation not 
>> permitted" which I could expect for a non-privileged user, but not for 
>> root.  
>>
>> If I recompile the program using Go 1.8.3 the exact same works again.
>>
>> I won't show all the code since there are several structs and "objects" 
>> involved, but here's the failing bit, with the interface, listen address, 
>> and group address all hard coded just for this example:
>>
>> iFace := "eno1"
>> listenAddr := "0.0.0.0:12080"
>> grpAddress := "224.0.0.12"
>> inetConn, err3 := net.ListenPacket("udp4", listenAddr)
>> if err3 != nil {
>> alertMsg = bsutils.CreateFormattedBSAlert(bsutils.ALERT_CRITICAL, 
>> "ListenPacket Failed: %s", err3.Error())
>> return nil, alertMsg
>> }
>>
>> mConn := ipv4.NewPacketConn(inetConn)
>> if err := mConn.JoinGroup(iFace, {IP: grpAddress}); err != 
>> nil {
>> alertMsg = bsutils.CreateFormattedBSAlert(bsutils.ALERT_CRITICAL, 
>> "JoinGroup Failed: %s", err.Error())
>> return nil, alertMsg
>> }
>>
>> If it gets past the above code, I then do a SetControlMessage and return 
>> mConn for normal serving.
>>
>> thanks,
>> Paul
>>
>>

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[go-nuts] Re: Go 1.9 introduced error on UDP Multicast JoinGroup

[Pierre Durand]

Did you test Go 1.9 betas or RCs ?

Le lundi 28 août 2017 01:14:20 UTC+2, oldCoderException a écrit :
>
> Hi all,
>
> I upgraded to Go 1.9 and since then UDP multicast code that has been 
> running fine for over a year is now failing on JoinGroup.  I run this 
> program on linux Mint 18 as root (using sudo), both for the multicast 
> permissions and also to allow listening on TCP port 80 and redirecting to 
> port 443 for SSL.  The error returned from JoinGroup is "operation not 
> permitted" which I could expect for a non-privileged user, but not for 
> root.  
>
> If I recompile the program using Go 1.8.3 the exact same works again.
>
> I won't show all the code since there are several structs and "objects" 
> involved, but here's the failing bit, with the interface, listen address, 
> and group address all hard coded just for this example:
>
> iFace := "eno1"
> listenAddr := "0.0.0.0:12080"
> grpAddress := "224.0.0.12"
> inetConn, err3 := net.ListenPacket("udp4", listenAddr)
> if err3 != nil {
> alertMsg = bsutils.CreateFormattedBSAlert(bsutils.ALERT_CRITICAL, 
> "ListenPacket Failed: %s", err3.Error())
> return nil, alertMsg
> }
>
> mConn := ipv4.NewPacketConn(inetConn)
> if err := mConn.JoinGroup(iFace, {IP: grpAddress}); err != nil 
> {
> alertMsg = bsutils.CreateFormattedBSAlert(bsutils.ALERT_CRITICAL, 
> "JoinGroup Failed: %s", err.Error())
> return nil, alertMsg
> }
>
> If it gets past the above code, I then do a SetControlMessage and return 
> mConn for normal serving.
>
> thanks,
> Paul
>
>

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