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Re: [liblo] windows weird...
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From: Stephen S. <rad...@gm...> - 2014-03-11 13:26:43
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The only thing I can think to suggest is that you step through
lo_address_new() with the debugger and see where the delay actually
happens.
Steve
On Mon, Mar 10, 2014 at 10:44 AM, nicolas bats <sl1...@gm...> wrote:
> Hi,
> any thoughts about the way to resolve/improve this?
>
> best regards,
> Nicolas
>
>
> 2014-02-27 10:43 GMT+01:00 nicolas bats <sl1...@gm...>:
>
>> hello,
>> first, here's how I initialize the address where I need to write:
>>
>> static void new_osc_sender(struct common_Nodes* recordedNodes) {
>>
>> oscWriter_t* this_W = NULL;
>>
>> struct common_Nodes *node, *tmp;
>>
>> node = tmp = NULL;
>>
>> char* buff = NULL;
>>
>>
>> if(NULL != recordedNodes)
>>
>> {
>>
>> if(NULL == (buff = GenAlloc(ALLOCATION_BLOCK_SIZE))) {
>>
>> Indic_Error(UNEXPECTED, 0);
>>
>> return;
>>
>> }
>>
>>
>> HASH_ITER(hh, recordedNodes, node, tmp) {
>>
>>
>> if(NULL != (this_W = dl_SysAlloc(sizeof(*this_W))))
>>
>> {
>>
>> sprintf(buff, "%d", node->port);
>>
>> this_W->addr = lo_address_new(node->ipData , buff);
>>
>> this_W->addr_str = dupstr(node->ipData);
>>
>> this_W->port_str = dupstr(buff);
>>
>> this_W->isUsed = node->idt;
>>
>>
>>
>> //printf("add %s %s\n", this_W->addr_str, this_W->port_str);
>>
>> LL_APPEND(writerServer,this_W);
>>
>>
>>
>> }
>>
>> }
>>
>>
>>
>> FRI(buff);
>>
>> }
>>
>> return;
>>
>> }
>>
>>
>> so it's simply a lo_address_new() and I reuse the address from
>> this_W->addr.
>>
>>
>>
>>
>> 2014-02-26 13:38 GMT+01:00 Stephen Sinclair <rad...@gm...>:
>>
>>> On Wed, Feb 26, 2014 at 11:50 AM, nicolas bats <sl1...@gm...>
>>> wrote:
>>> > Hi,
>>> > with the latest release (but I don't think it's 0.28 related) I can see
>>> > some
>>> > behaviors on win that are not particulary desired...
>>> >
>>> > let me explain:
>>> > my app create a server with lo_server_new(), so far so good, and I use
>>> > only
>>> > UDP.
>>> > the wifi is off and the firewalls are off.
>>> > the network card address is 192.168.1.30
>>> >
>>> > if I send OSC message to address like 10.x.x.x, as the network can't be
>>> > reached I don't see any lag, but, if I send OSC message to 192.168.1.x
>>> > and
>>> > there's no receiver, I see a huge lag, like if there's a timeout or
>>> > something like this.
>>> > did you guys noticed the same behavior?
>>> > any leads in order to find wich call is reponsible of lag?
>>>
>>> It would be good to know if it's a write() call for example. Also,
>>> does the lag occur only the first time, or every time?
>>
>>
>> within my app, it happens all the time
>>
>>>
>>> I wonder if
>>> it's more of a name resolution bug, could be something regarding
>>> initializing a lo_address.
>>>
>>> What is "huge lag" exactly? A few ms, a few seconds, a minute or more?
>>
>> let's say a few seconds, but more than your log shows
>>>
>>>
>>> Possibly stepping through the code in gdb starting at lo_send() might
>>> help.
>>>
>>> Here on my Windows 7 machine I do see a short lag of a couple of
>>> seconds when sending to an unknown address using oscsend.exe, but it
>>> seems to go away the second and third times I run it. If I change the
>>> last number of the IP address I get the lag again, only once.
>>
>>
>> even once it's a shame...
>> can't we get rid of that?
>>
>>>
>>> Here is
>>> a dump:
>>>
>>> (This is compiled with MingW, and one of my NICs is configured to
>>> 192.168.56.1 / 255.255.255.0)
>>>
>>> -------------------------------
>>> bash-3.1$ time ./oscsend.exe 192.168.56.20 9000 /test
>>>
>>> real 0m2.644s
>>> user 0m0.000s
>>> sys 0m0.015s
>>> bash-3.1$ time ./oscsend.exe 192.168.56.20 9000 /test
>>>
>>> real 0m0.037s
>>> user 0m0.015s
>>> sys 0m0.000s
>>> bash-3.1$ time ./oscsend.exe 192.168.56.20 9000 /test
>>>
>>> real 0m0.037s
>>> user 0m0.015s
>>> sys 0m0.000s
>>> bash-3.1$ time ./oscsend.exe 192.168.56.21 9000 /test
>>>
>>> real 0m2.596s
>>> user 0m0.000s
>>> sys 0m0.015s
>>> bash-3.1$ time ./oscsend.exe 192.168.56.21 9000 /test
>>>
>>> real 0m0.038s
>>> user 0m0.000s
>>> sys 0m0.015s
>>> bash-3.1$ time ./oscsend.exe 192.168.56.21 9000 /test
>>>
>>> real 0m0.040s
>>> user 0m0.000s
>>> sys 0m0.015s
>>> -------------------------------
>>
>>
>> for the same address, mine shows 0m2.928s (more or less) every time.
>> the same as with new address
>>
>> ++
>> NIcolas
>>>
>>>
>>>
>>> Steve
>>>
>>>
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>>
>>
>
>
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