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* Pass various options to the worker so that flags like -K or -j work

Browse source 
in multi-user Nix (NIX-72).
* Client/worker: exchange a protocol version number for future
  compatibility.
This commit is contained in:
Eelco Dolstra 2007-09-18 09:11:20 +00:00
parent 26f981c2e5
commit f3441e6122
5 changed files with 49 additions and 7 deletions
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23
src/libstore/remote-store.cc
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@ -53,18 +53,24 @@ RemoteStore::RemoteStore()
from.fd = fdSocket;
to.fd = fdSocket;
/* Send the magic greeting, check for the reply. */
try {
writeInt(WORKER_MAGIC_1, to);
writeInt(verbosity, to);
unsigned int magic = readInt(from);
if (magic != WORKER_MAGIC_2) throw Error("protocol mismatch");
unsigned int daemonVersion = readInt(from);
if (GET_PROTOCOL_MAJOR(daemonVersion) != GET_PROTOCOL_MAJOR(PROTOCOL_VERSION))
throw Error("Nix daemon protocol version not supported");
writeInt(PROTOCOL_VERSION, to);
processStderr();
} catch (Error & e) {
throw Error(format("cannot start worker (%1%)")
% e.msg());
}
setOptions();
}
@ -154,6 +160,19 @@ RemoteStore::~RemoteStore()
}
void RemoteStore::setOptions()
{
writeInt(wopSetOptions, to);
writeInt(keepFailed, to);
writeInt(keepGoing, to);
writeInt(tryFallback, to);
writeInt(verbosity, to);
writeInt(maxBuildJobs, to);
writeInt(maxSilentTime, to);
processStderr();
}
bool RemoteStore::isValidPath(const Path & path)
{
writeInt(wopIsValidPath, to);