nix-super/src/nix-worker/main.cc

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#include "shared.hh"
#include "local-store.hh"
#include "util.hh"
using namespace nix;
/* !!! Mostly cut&pasted from util/archive.hh */
/* Use buffered reads. */
static unsigned int readInt(int fd)
{
unsigned char buf[8];
readFull(fd, buf, sizeof(buf));
if (buf[4] || buf[5] || buf[6] || buf[7])
throw Error("implementation cannot deal with > 32-bit integers");
return
buf[0] |
(buf[1] << 8) |
(buf[2] << 16) |
(buf[3] << 24);
}
void processConnection(int fdFrom, int fdTo)
{
store = openStore();
unsigned int magic = readInt(fdFrom);
if (magic != 0x6e697864) throw Error("protocol mismatch");
}
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)
processConnection(STDIN_FILENO, STDOUT_FILENO);
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";