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Add set buffer sizes code to Phy<>

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This commit is contained in:
Adam Ierymenko 2015-10-27 13:04:08 -07:00
parent 7295fcfa86
commit 40e0a34a5c
1 changed files with 30 additions and 0 deletions
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30
osdep/Phy.hpp
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@ -655,6 +655,36 @@ public:
return (PhySocket *)&sws; return (PhySocket *)&sws;
} }
/**
* Try to set buffer sizes as close to the given value as possible
*
* This will try the specified value and then lower values in 16K increments
* until one works.
*
* @param sock Socket
* @param bufferSize Desired buffer sizes
*/
inline void setBufferSizes(const PhySocket *sock,int bufferSize)
{
PhySocketImpl &sws = *(reinterpret_cast<PhySocketImpl *>(sock));
if (bufferSize > 0) {
int bs = bufferSize;
while (bs >= 65536) {
int tmpbs = bs;
if (::setsockopt(sws.sock,SOL_SOCKET,SO_RCVBUF,(const char *)&tmpbs,sizeof(tmpbs)) == 0)
break;
bs -= 16384;
}
bs = bufferSize;
while (bs >= 65536) {
int tmpbs = bs;
if (::setsockopt(sws.sock,SOL_SOCKET,SO_SNDBUF,(const char *)&tmpbs,sizeof(tmpbs)) == 0)
break;
bs -= 16384;
}
}
}
/** /**
* Attempt to send data to a stream socket (non-blocking) * Attempt to send data to a stream socket (non-blocking)
* *