lix/src/nix-worker/main.cc

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#include "shared.hh"
#include "local-store.hh"
#include "util.hh"
#include "serialise.hh"
#include "worker-protocol.hh"
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#include "archive.hh"
using namespace nix;
void processConnection(Source & from, Sink & to)
{
store = boost::shared_ptr<StoreAPI>(new LocalStore(true));
unsigned int magic = readInt(from);
if (magic != WORKER_MAGIC_1) throw Error("protocol mismatch");
writeInt(WORKER_MAGIC_2, to);
debug("greeting exchanged");
bool quit = false;
do {
WorkerOp op = (WorkerOp) readInt(from);
switch (op) {
case wopQuit:
/* Close the database. */
store.reset((StoreAPI *) 0);
writeInt(1, to);
quit = true;
break;
case wopIsValidPath: {
Path path = readString(from);
assertStorePath(path);
writeInt(store->isValidPath(path), to);
break;
}
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case wopAddToStore: {
/* !!! uberquick hack */
string baseName = readString(from);
Path tmp = createTempDir();
Path tmp2 = tmp + "/" + baseName;
restorePath(tmp2, from);
writeString(store->addToStore(tmp2), to);
deletePath(tmp);
break;
}
case wopAddTextToStore: {
string suffix = readString(from);
string s = readString(from);
unsigned int refCount = readInt(from);
PathSet refs;
while (refCount--) {
Path ref = readString(from);
assertStorePath(ref);
refs.insert(ref);
}
writeString(store->addTextToStore(suffix, s, refs), to);
break;
}
default:
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throw Error(format("invalid operation %1%") % op);
}
} while (!quit);
}
void run(Strings args)
{
bool slave = false;
bool daemon = false;
for (Strings::iterator i = args.begin(); i != args.end(); ) {
string arg = *i++;
if (arg == "--slave") slave = true;
}
if (slave) {
FdSource source(STDIN_FILENO);
FdSink sink(STDOUT_FILENO);
processConnection(source, sink);
}
else if (daemon)
throw Error("daemon mode not implemented");
else
throw Error("must be run in either --slave or --daemon mode");
}
void printHelp()
{
}
string programId = "nix-store";