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* When doing "nix-store --add-fixed" without "--recursive" via the Nix

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daemon (which is an error), print a nicer error message than
  "Connection reset by peer" or "broken pipe".
* In the daemon, log errors that occur during request parameter
  processing.
This commit is contained in:
Eelco Dolstra 2011-12-01 13:48:48 +00:00
parent be9be4c147
commit 24f863d86b
3 changed files with 16 additions and 6 deletions
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4
src/libstore/store-api.hh
View file

@ -151,9 +151,7 @@ public:
/* Copy the contents of a path to the store and register the /* Copy the contents of a path to the store and register the
validity the resulting path. The resulting path is returned. validity the resulting path. The resulting path is returned.
If `fixed' is true, then the output of a fixed-output The function object `filter' can be used to exclude files (see
derivation is pre-loaded into the Nix store. The function
object `filter' can be used to exclude files (see
libutil/archive.hh). */ libutil/archive.hh). */
virtual Path addToStore(const Path & srcPath, virtual Path addToStore(const Path & srcPath,
bool recursive = true, HashType hashAlgo = htSHA256, bool recursive = true, HashType hashAlgo = htSHA256,

16
src/nix-worker/nix-worker.cc
View file

@ -241,11 +241,14 @@ struct TunnelSource : Source
the contents of the file to `s'. Otherwise barf. */ the contents of the file to `s'. Otherwise barf. */
struct RetrieveRegularNARSink : ParseSink struct RetrieveRegularNARSink : ParseSink
{ {
bool regular;
string s; string s;
RetrieveRegularNARSink() : regular(true) { }
void createDirectory(const Path & path) void createDirectory(const Path & path)
{ {
throw Error("regular file expected"); regular = false;
} }
void receiveContents(unsigned char * data, unsigned int len) void receiveContents(unsigned char * data, unsigned int len)
@ -255,7 +258,7 @@ struct RetrieveRegularNARSink : ParseSink
void createSymlink(const Path & path, const string & target) void createSymlink(const Path & path, const string & target)
{ {
throw Error("regular file expected"); regular = false;
} }
}; };
@ -363,6 +366,7 @@ static void performOp(unsigned int clientVersion,
parseDump(sink, savedNAR); parseDump(sink, savedNAR);
} else { } else {
parseDump(savedRegular, from); parseDump(savedRegular, from);
if (!savedRegular.regular) throw Error("regular file expected");
} }
startWork(); startWork();
@ -638,7 +642,15 @@ static void processConnection()
try { try {
performOp(clientVersion, from, to, op); performOp(clientVersion, from, to, op);
} catch (Error & e) { } catch (Error & e) {
/* If we're not in a state were we can send replies, then
something went wrong processing the input of the
client. This can happen especially if I/O errors occur
during addTextToStore() / importPath(). If that
happens, just send the error message and exit. */
bool errorAllowed = canSendStderr;
if (!errorAllowed) printMsg(lvlError, format("error processing client input: %1%") % e.msg());
stopWork(false, e.msg(), GET_PROTOCOL_MINOR(clientVersion) >= 8 ? e.status : 0); stopWork(false, e.msg(), GET_PROTOCOL_MINOR(clientVersion) >= 8 ? e.status : 0);
if (!errorAllowed) break;
} }
assert(!canSendStderr); assert(!canSendStderr);