lix/perl/lib/Nix/Store.xs
Eelco Dolstra cca4a8dc1a importPaths(): Optionally add NARs to binary cache accessor
This enables an optimisation in hydra-queue-runner, preventing a
download of a NAR it just uploaded to the cache when reading files
like hydra-build-products.
2016-03-02 15:46:07 +01:00

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#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
/* Prevent a clash between some Perl and libstdc++ macros. */
#undef do_open
#undef do_close
#include "derivations.hh"
#include "globals.hh"
#include "store-api.hh"
#include "util.hh"
#include "crypto.hh"
#if HAVE_SODIUM
#include <sodium.h>
#endif
using namespace nix;
static ref<Store> store()
{
static std::shared_ptr<Store> _store;
if (!_store) {
try {
settings.processEnvironment();
settings.loadConfFile();
settings.update();
settings.lockCPU = false;
_store = openStore();
} catch (Error & e) {
croak("%s", e.what());
}
}
return ref<Store>(_store);
}
MODULE = Nix::Store PACKAGE = Nix::Store
PROTOTYPES: ENABLE
#undef dNOOP // Hack to work around "error: declaration of 'Perl___notused' has a different language linkage" error message on clang.
#define dNOOP
void init()
CODE:
store();
void setVerbosity(int level)
CODE:
verbosity = (Verbosity) level;
int isValidPath(char * path)
CODE:
try {
RETVAL = store()->isValidPath(path);
} catch (Error & e) {
croak("%s", e.what());
}
OUTPUT:
RETVAL
SV * queryReferences(char * path)
PPCODE:
try {
PathSet paths;
store()->queryReferences(path, paths);
for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryPathHash(char * path)
PPCODE:
try {
Hash hash = store()->queryPathHash(path);
string s = "sha256:" + printHash32(hash);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryDeriver(char * path)
PPCODE:
try {
Path deriver = store()->queryDeriver(path);
if (deriver == "") XSRETURN_UNDEF;
XPUSHs(sv_2mortal(newSVpv(deriver.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryPathInfo(char * path, int base32)
PPCODE:
try {
ValidPathInfo info = store()->queryPathInfo(path);
if (info.deriver == "")
XPUSHs(&PL_sv_undef);
else
XPUSHs(sv_2mortal(newSVpv(info.deriver.c_str(), 0)));
string s = "sha256:" + (base32 ? printHash32(info.narHash) : printHash(info.narHash));
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
mXPUSHi(info.registrationTime);
mXPUSHi(info.narSize);
AV * arr = newAV();
for (PathSet::iterator i = info.references.begin(); i != info.references.end(); ++i)
av_push(arr, newSVpv(i->c_str(), 0));
XPUSHs(sv_2mortal(newRV((SV *) arr)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryPathFromHashPart(char * hashPart)
PPCODE:
try {
Path path = store()->queryPathFromHashPart(hashPart);
XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * computeFSClosure(int flipDirection, int includeOutputs, ...)
PPCODE:
try {
PathSet paths;
for (int n = 2; n < items; ++n)
store()->computeFSClosure(SvPV_nolen(ST(n)), paths, flipDirection, includeOutputs);
for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * topoSortPaths(...)
PPCODE:
try {
PathSet paths;
for (int n = 0; n < items; ++n) paths.insert(SvPV_nolen(ST(n)));
Paths sorted = store()->topoSortPaths(paths);
for (Paths::iterator i = sorted.begin(); i != sorted.end(); ++i)
XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * followLinksToStorePath(char * path)
CODE:
try {
store();
RETVAL = newSVpv(followLinksToStorePath(path).c_str(), 0);
} catch (Error & e) {
croak("%s", e.what());
}
OUTPUT:
RETVAL
void exportPaths(int fd, int sign, ...)
PPCODE:
try {
Paths paths;
for (int n = 2; n < items; ++n) paths.push_back(SvPV_nolen(ST(n)));
FdSink sink(fd);
store()->exportPaths(paths, sign, sink);
} catch (Error & e) {
croak("%s", e.what());
}
void importPaths(int fd)
PPCODE:
try {
FdSource source(fd);
store()->importPaths(false, source, 0);
} catch (Error & e) {
croak("%s", e.what());
}
SV * hashPath(char * algo, int base32, char * path)
PPCODE:
try {
Hash h = hashPath(parseHashType(algo), path).first;
string s = base32 ? printHash32(h) : printHash(h);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * hashFile(char * algo, int base32, char * path)
PPCODE:
try {
Hash h = hashFile(parseHashType(algo), path);
string s = base32 ? printHash32(h) : printHash(h);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * hashString(char * algo, int base32, char * s)
PPCODE:
try {
Hash h = hashString(parseHashType(algo), s);
string s = base32 ? printHash32(h) : printHash(h);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * convertHash(char * algo, char * s, int toBase32)
PPCODE:
try {
Hash h = parseHash16or32(parseHashType(algo), s);
string s = toBase32 ? printHash32(h) : printHash(h);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * signString(char * secretKey_, char * msg)
PPCODE:
try {
#if HAVE_SODIUM
auto sig = SecretKey(secretKey_).signDetached(msg);
XPUSHs(sv_2mortal(newSVpv(sig.c_str(), sig.size())));
#else
throw Error("Nix was not compiled with libsodium, required for signed binary cache support");
#endif
} catch (Error & e) {
croak("%s", e.what());
}
int checkSignature(SV * publicKey_, SV * sig_, char * msg)
CODE:
try {
#if HAVE_SODIUM
STRLEN publicKeyLen;
unsigned char * publicKey = (unsigned char *) SvPV(publicKey_, publicKeyLen);
if (publicKeyLen != crypto_sign_PUBLICKEYBYTES)
throw Error("public key is not valid");
STRLEN sigLen;
unsigned char * sig = (unsigned char *) SvPV(sig_, sigLen);
if (sigLen != crypto_sign_BYTES)
throw Error("signature is not valid");
RETVAL = crypto_sign_verify_detached(sig, (unsigned char *) msg, strlen(msg), publicKey) == 0;
#else
throw Error("Nix was not compiled with libsodium, required for signed binary cache support");
#endif
} catch (Error & e) {
croak("%s", e.what());
}
OUTPUT:
RETVAL
SV * addToStore(char * srcPath, int recursive, char * algo)
PPCODE:
try {
Path path = store()->addToStore(baseNameOf(srcPath), srcPath, recursive, parseHashType(algo));
XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * makeFixedOutputPath(int recursive, char * algo, char * hash, char * name)
PPCODE:
try {
HashType ht = parseHashType(algo);
Path path = makeFixedOutputPath(recursive, ht,
parseHash16or32(ht, hash), name);
XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * derivationFromPath(char * drvPath)
PREINIT:
HV *hash;
CODE:
try {
Derivation drv = store()->derivationFromPath(drvPath);
hash = newHV();
HV * outputs = newHV();
for (DerivationOutputs::iterator i = drv.outputs.begin(); i != drv.outputs.end(); ++i)
hv_store(outputs, i->first.c_str(), i->first.size(), newSVpv(i->second.path.c_str(), 0), 0);
hv_stores(hash, "outputs", newRV((SV *) outputs));
AV * inputDrvs = newAV();
for (DerivationInputs::iterator i = drv.inputDrvs.begin(); i != drv.inputDrvs.end(); ++i)
av_push(inputDrvs, newSVpv(i->first.c_str(), 0)); // !!! ignores i->second
hv_stores(hash, "inputDrvs", newRV((SV *) inputDrvs));
AV * inputSrcs = newAV();
for (PathSet::iterator i = drv.inputSrcs.begin(); i != drv.inputSrcs.end(); ++i)
av_push(inputSrcs, newSVpv(i->c_str(), 0));
hv_stores(hash, "inputSrcs", newRV((SV *) inputSrcs));
hv_stores(hash, "platform", newSVpv(drv.platform.c_str(), 0));
hv_stores(hash, "builder", newSVpv(drv.builder.c_str(), 0));
AV * args = newAV();
for (Strings::iterator i = drv.args.begin(); i != drv.args.end(); ++i)
av_push(args, newSVpv(i->c_str(), 0));
hv_stores(hash, "args", newRV((SV *) args));
HV * env = newHV();
for (StringPairs::iterator i = drv.env.begin(); i != drv.env.end(); ++i)
hv_store(env, i->first.c_str(), i->first.size(), newSVpv(i->second.c_str(), 0), 0);
hv_stores(hash, "env", newRV((SV *) env));
RETVAL = newRV_noinc((SV *)hash);
} catch (Error & e) {
croak("%s", e.what());
}
OUTPUT:
RETVAL
void addTempRoot(char * storePath)
PPCODE:
try {
store()->addTempRoot(storePath);
} catch (Error & e) {
croak("%s", e.what());
}