Re: [UDT] OSX compilation errors

[Yunhong Gu <yu...@la...>]

Yes, this is a known issue too (I should have add a known issue list...)

The reason is that UDT tries to allocate a rather large socket buffer 
(setsockopt) that OS X does not support. On Linux or Windows, they will 
set the socket buffer to the maximum system value; however, OS X will 
return error.

So the solution is, you can either change your system parameter to allow 
larger socket buffer size (at least 20MB), or set UDT option (UDT_SNDBUF 
and UDT_RCVBUF) to smaller values (e.g., 64KB). See the commented 
setsockopt lines in appserver and appclient for examples.

Thanks
Yunhong


On Wed, 15 Mar 2006, Ben Roeder wrote:

> Hi Yunhong,
> Thanks for that, I now can compile the 2.3 under OS X
> The issue I am now seeing is
> ./recvfile 10.99.4.70  9000 ./iso.iso iso.iso
> connect: Connection setup failure: unable to create/configure UDP socket: No 
> buffer space available.
>
> I am looking into it, but is this also a known issue, or am I the only person 
> on Os X. I remember it used to compile and work before xmas
>
> regards
> Ben Roeder
>
> Yunhong Gu wrote:
>> 
>> 
>> in ./src/channel.cpp, around line 66, remove
>> 
>>  #define socklen_t int
>> 
>> for BSD.
>> 
>> OS X has started to use socklen_t instead of int.
>> 
>> There may be more problem, if so, in ./src/Makefile
>> 
>> use
>>  $(C++) -dynamiclib -o libudt.dylib -lstdc++ -lpthread -lm $^
>> to replace the original "libtool ..." line.
>> 
>> Thanks,
>> Yunhong
>> 
>> 
>> On Wed, 15 Mar 2006, Ben Roeder wrote:
>> 
>>> Hi,
>>> Is anyone else compiling for OSX at the moment ?
>>> I am getting errors with version 2.3
>>> I am compiling on a powerPC machine running tiger
>>> the xcode version is 2.0
>>> xcode IDE 514.0
>>> xcode core 515.0
>>> tool support 514.0
>>> 
>>> I am compiling with gcc in a terminal
>>> gcc is
>>> Usage: powerpc-apple-darwin8-gcc-4.0.0
>>> The make flags are as follows
>>> make -e os=BSD arch=POWERPC
>>> 
>>> I see the following error, is this known issue ?
>>> channel.cpp is version 1.20
>>> ~/projects/udt2 ben$ make -e os=BSD arch=POWERPC
>>> make -C  src all
>>> g++ -fPIC -Wall -DBSD -finline-functions  -DTRACE -DNO_BUSY_WAITING 
>>> -mcpu=powerpc channel.cpp -c
>>> channel.cpp: In member function `int CChannel::recvfrom(CPacket&, 
>>> sockaddr*) const':
>>> channel.cpp:301: error: invalid conversion from 'int*' to 'socklen_t*'
>>> channel.cpp:301: error:   initializing argument 6 of 'ssize_t 
>>> recvfrom(int, void*, size_t, int, sockaddr*, socklen_t*)'
>>> channel.cpp: In member function `int CChannel::getSndBufSize()':
>>> channel.cpp:344: error: invalid conversion from 'int*' to 'socklen_t*'
>>> channel.cpp:344: error:   initializing argument 5 of 'int getsockopt(int, 
>>> int, int, void*, socklen_t*)'
>>> channel.cpp: In member function `int CChannel::getRcvBufSize()':
>>> channel.cpp:357: error: invalid conversion from 'int*' to 'socklen_t*'
>>> channel.cpp:357: error:   initializing argument 5 of 'int getsockopt(int, 
>>> int, int, void*, socklen_t*)'
>>> channel.cpp: In member function `void CChannel::getSockAddr(sockaddr*) 
>>> const':
>>> channel.cpp:380: error: invalid conversion from 'int*' to 'socklen_t*'
>>> channel.cpp:380: error:   initializing argument 3 of 'int getsockname(int, 
>>> sockaddr*, socklen_t*)'
>>> channel.cpp: In member function `void CChannel::getPeerAddr(sockaddr*) 
>>> const':
>>> channel.cpp:391: error: invalid conversion from 'int*' to 'socklen_t*'
>>> channel.cpp:391: error:   initializing argument 3 of 'int getpeername(int, 
>>> sockaddr*, socklen_t*)'
>>> make[1]: *** [channel.o] Error 1
>>> make: *** [src.all] Error 2
>>> 
>>> same version is fine on debian sarge
>>> regards
>>> Ben Roeder
>>> 
>>> 
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>> 
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