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* Refactoring: move sink/source buffering into separate classes.

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* Buffer the HashSink.  This speeds up hashing a bit because it
  prevents lots of calls to the hash update functions (e.g. nix-hash
  went from 9.3s to 8.7s of user time on the closure of my
  /var/run/current-system).
This commit is contained in:
Eelco Dolstra 2011-12-15 16:19:53 +00:00
parent a67b8ae224
commit 5a1b9ed0aa
8 changed files with 125 additions and 90 deletions
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8
src/nix-worker/nix-worker.cc
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@ -202,8 +202,7 @@ struct TunnelSink : Sink
{
Sink & to;
TunnelSink(Sink & to) : to(to) { }
virtual void operator ()
(const unsigned char * data, unsigned int len)
virtual void operator () (const unsigned char * data, size_t len)
{
writeInt(STDERR_WRITE, to);
writeString(string((const char *) data, len), to);
@ -215,8 +214,7 @@ struct TunnelSource : Source
{
Source & from;
TunnelSource(Source & from) : from(from) { }
virtual void operator ()
(unsigned char * data, unsigned int len)
virtual void operator () (unsigned char * data, size_t len)
{
/* Careful: we're going to receive data from the client now,
so we have to disable the SIGPOLL handler. */
@ -267,7 +265,7 @@ struct SavingSourceAdapter : Source
Source & orig;
string s;
SavingSourceAdapter(Source & orig) : orig(orig) { }
void operator () (unsigned char * data, unsigned int len)
void operator () (unsigned char * data, size_t len)
{
orig(data, len);
s.append((const char *) data, len);