Thanks for the reply, good to know at least someone has them working!
Does my connect code look OK?
How should the hostname look?
If I use "monkeycoder,co.nz" I am getting errno=115 ('in progress') after
connect fails.
If I use "http://monkeycoder.co.nz"; I am getting errno=113 ('no route to
host') after connect fails.
I have also tried "ws://demos.kaazing.com" and "demos.kaazing.com" with the
same result.
What is 'websockify'? At this point, I'm not actually trying to
send/receive data, just trying to connect. Will I need websockify for this?
I am on Windows 10, does websockify even run on this?
On Tuesday, December 5, 2017 at 4:00:20 PM UTC+13, caiiiycuk wrote:
>
> I've use linux sockets with emscripten. They work as in native code except
> one thing - they should be async. So if you app use async socket then it
> should work out the box. Ofcourse you should wrap server socket with
> websockify it's work like a charm.
>
> 5 дек. 2017 г. 8:21 ДП пользователь "Mark Sibly" <[email protected]
> <javascript:>> написал:
>
>> Hi,
>>
>> I am completely new to emscipten sockets and am wondering how they work
>> and what to expect.
>>
>> I understand they are built on top of websockets, but I always thought
>> websockets were SendMsg/RecvReply based - how does that work?
>>
>> Do you have to use threads if you want to 'block' on an emscripten socket
>> without blocking the entire app? Is this recommended or is it best to just
>> 'poll' via, say, ioctlsocket with FIONREAD. Can you poll with select?
>>
>> Should I at least be able to connect to TCP port 80 of my http website? I
>> have so far been unable to perform a simple connect and wonder if it's even
>> possible? I'm not expecting to be able to perform an http GET - although
>> perhaps that is possible?
>>
>> My connect code is ipv6-ish, ie:
>>
>> int _connect( const char *hostname,const char *service ){
>>
>> addrinfo hints;
>> memset( &hints,0,sizeof( hints ) );
>>
>> hints.ai_family=AF_UNSPEC;
>> hints.ai_socktype=SOCK_STREAM;
>> hints.ai_protocol=IPPROTO_TCP;
>> if( hostname && !hostname[0] ) hostname=0;
>>
>> addrinfo *pres=0;
>> if( ::getaddrinfo( hostname,service,&hints,&pres ) ) return -1;
>> int sock=-1;
>> for( addrinfo *res=pres;res;res=res->ai_next ){
>> sock=::socket( res->ai_family,res->ai_socktype,res->ai_protocol );
>> if( sock==-1 ) continue;
>>
>> if( !connect( sock,res->ai_addr,res->ai_addrlen ) ) break;
>> ::closesocket( sock );
>> sock=-1;
>> }
>> freeaddrinfo( pres );
>> return sock;
>> }
>>
>> This works on windows, macos and linux (ie: I can connect any TCP port
>> 80) but not emscripten - the connect always fails. Should I revert to the
>> pre-ipv6 way of connecting? I did give this a quick try but with no luck.
>>
>> Any clues most welcome!
>>
>> Bye,
>> Mark Sibly
>>
>>
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