forked from lix-project/lix
Likewise namespace and enum struct
-ify ServeCommand
The motivation is exactly the same as for the last commit. In addition, this anticipates us formally defining separate serialisers for the serve protocol.
This commit is contained in:
parent
95eae0c002
commit
4e8b495ad7
src
|
@ -134,7 +134,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
|
|||
|
||||
debug("querying remote host '%s' for info on '%s'", host, printStorePath(path));
|
||||
|
||||
conn->to << cmdQueryPathInfos << PathSet{printStorePath(path)};
|
||||
conn->to << ServeProto::Command::QueryPathInfos << PathSet{printStorePath(path)};
|
||||
conn->to.flush();
|
||||
|
||||
auto p = readString(conn->from);
|
||||
|
@ -177,7 +177,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
|
|||
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 5) {
|
||||
|
||||
conn->to
|
||||
<< cmdAddToStoreNar
|
||||
<< ServeProto::Command::AddToStoreNar
|
||||
<< printStorePath(info.path)
|
||||
<< (info.deriver ? printStorePath(*info.deriver) : "")
|
||||
<< info.narHash.to_string(Base16, false);
|
||||
|
@ -199,7 +199,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
|
|||
} else {
|
||||
|
||||
conn->to
|
||||
<< cmdImportPaths
|
||||
<< ServeProto::Command::ImportPaths
|
||||
<< 1;
|
||||
try {
|
||||
copyNAR(source, conn->to);
|
||||
|
@ -227,7 +227,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
|
|||
{
|
||||
auto conn(connections->get());
|
||||
|
||||
conn->to << cmdDumpStorePath << printStorePath(path);
|
||||
conn->to << ServeProto::Command::DumpStorePath << printStorePath(path);
|
||||
conn->to.flush();
|
||||
copyNAR(conn->from, sink);
|
||||
}
|
||||
|
@ -280,7 +280,7 @@ public:
|
|||
auto conn(connections->get());
|
||||
|
||||
conn->to
|
||||
<< cmdBuildDerivation
|
||||
<< ServeProto::Command::BuildDerivation
|
||||
<< printStorePath(drvPath);
|
||||
writeDerivation(conn->to, *this, drv);
|
||||
|
||||
|
@ -311,7 +311,7 @@ public:
|
|||
|
||||
auto conn(connections->get());
|
||||
|
||||
conn->to << cmdBuildPaths;
|
||||
conn->to << ServeProto::Command::BuildPaths;
|
||||
Strings ss;
|
||||
for (auto & p : drvPaths) {
|
||||
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(p);
|
||||
|
@ -368,7 +368,7 @@ public:
|
|||
auto conn(connections->get());
|
||||
|
||||
conn->to
|
||||
<< cmdQueryClosure
|
||||
<< ServeProto::Command::QueryClosure
|
||||
<< includeOutputs;
|
||||
WorkerProto::write(*this, conn->to, paths);
|
||||
conn->to.flush();
|
||||
|
@ -383,7 +383,7 @@ public:
|
|||
auto conn(connections->get());
|
||||
|
||||
conn->to
|
||||
<< cmdQueryValidPaths
|
||||
<< ServeProto::Command::QueryValidPaths
|
||||
<< false // lock
|
||||
<< maybeSubstitute;
|
||||
WorkerProto::write(*this, conn->to, paths);
|
||||
|
|
|
@ -10,16 +10,52 @@ namespace nix {
|
|||
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
|
||||
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
|
||||
|
||||
typedef enum {
|
||||
cmdQueryValidPaths = 1,
|
||||
cmdQueryPathInfos = 2,
|
||||
cmdDumpStorePath = 3,
|
||||
cmdImportPaths = 4,
|
||||
cmdExportPaths = 5,
|
||||
cmdBuildPaths = 6,
|
||||
cmdQueryClosure = 7,
|
||||
cmdBuildDerivation = 8,
|
||||
cmdAddToStoreNar = 9,
|
||||
} ServeCommand;
|
||||
/**
|
||||
* The "serve protocol", used by ssh:// stores.
|
||||
*
|
||||
* This `struct` is basically just a `namespace`; We use a type rather
|
||||
* than a namespace just so we can use it as a template argument.
|
||||
*/
|
||||
struct ServeProto
|
||||
{
|
||||
/**
|
||||
* Enumeration of all the request types for the protocol.
|
||||
*/
|
||||
enum struct Command : uint64_t;
|
||||
};
|
||||
|
||||
enum struct ServeProto::Command : uint64_t
|
||||
{
|
||||
QueryValidPaths = 1,
|
||||
QueryPathInfos = 2,
|
||||
DumpStorePath = 3,
|
||||
ImportPaths = 4,
|
||||
ExportPaths = 5,
|
||||
BuildPaths = 6,
|
||||
QueryClosure = 7,
|
||||
BuildDerivation = 8,
|
||||
AddToStoreNar = 9,
|
||||
};
|
||||
|
||||
/**
|
||||
* Convenience for sending operation codes.
|
||||
*
|
||||
* @todo Switch to using `ServeProto::Serialize` instead probably. But
|
||||
* this was not done at this time so there would be less churn.
|
||||
*/
|
||||
inline Sink & operator << (Sink & sink, ServeProto::Command op)
|
||||
{
|
||||
return sink << (uint64_t) op;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convenience for debugging.
|
||||
*
|
||||
* @todo Perhaps render known opcodes more nicely.
|
||||
*/
|
||||
inline std::ostream & operator << (std::ostream & s, ServeProto::Command op)
|
||||
{
|
||||
return s << (uint64_t) op;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
@ -838,16 +838,16 @@ static void opServe(Strings opFlags, Strings opArgs)
|
|||
};
|
||||
|
||||
while (true) {
|
||||
ServeCommand cmd;
|
||||
ServeProto::Command cmd;
|
||||
try {
|
||||
cmd = (ServeCommand) readInt(in);
|
||||
cmd = (ServeProto::Command) readInt(in);
|
||||
} catch (EndOfFile & e) {
|
||||
break;
|
||||
}
|
||||
|
||||
switch (cmd) {
|
||||
|
||||
case cmdQueryValidPaths: {
|
||||
case ServeProto::Command::QueryValidPaths: {
|
||||
bool lock = readInt(in);
|
||||
bool substitute = readInt(in);
|
||||
auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, in);
|
||||
|
@ -863,7 +863,7 @@ static void opServe(Strings opFlags, Strings opArgs)
|
|||
break;
|
||||
}
|
||||
|
||||
case cmdQueryPathInfos: {
|
||||
case ServeProto::Command::QueryPathInfos: {
|
||||
auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, in);
|
||||
// !!! Maybe we want a queryPathInfos?
|
||||
for (auto & i : paths) {
|
||||
|
@ -886,24 +886,24 @@ static void opServe(Strings opFlags, Strings opArgs)
|
|||
break;
|
||||
}
|
||||
|
||||
case cmdDumpStorePath:
|
||||
case ServeProto::Command::DumpStorePath:
|
||||
store->narFromPath(store->parseStorePath(readString(in)), out);
|
||||
break;
|
||||
|
||||
case cmdImportPaths: {
|
||||
case ServeProto::Command::ImportPaths: {
|
||||
if (!writeAllowed) throw Error("importing paths is not allowed");
|
||||
store->importPaths(in, NoCheckSigs); // FIXME: should we skip sig checking?
|
||||
out << 1; // indicate success
|
||||
break;
|
||||
}
|
||||
|
||||
case cmdExportPaths: {
|
||||
case ServeProto::Command::ExportPaths: {
|
||||
readInt(in); // obsolete
|
||||
store->exportPaths(WorkerProto::Serialise<StorePathSet>::read(*store, in), out);
|
||||
break;
|
||||
}
|
||||
|
||||
case cmdBuildPaths: {
|
||||
case ServeProto::Command::BuildPaths: {
|
||||
|
||||
if (!writeAllowed) throw Error("building paths is not allowed");
|
||||
|
||||
|
@ -924,7 +924,7 @@ static void opServe(Strings opFlags, Strings opArgs)
|
|||
break;
|
||||
}
|
||||
|
||||
case cmdBuildDerivation: { /* Used by hydra-queue-runner. */
|
||||
case ServeProto::Command::BuildDerivation: { /* Used by hydra-queue-runner. */
|
||||
|
||||
if (!writeAllowed) throw Error("building paths is not allowed");
|
||||
|
||||
|
@ -951,7 +951,7 @@ static void opServe(Strings opFlags, Strings opArgs)
|
|||
break;
|
||||
}
|
||||
|
||||
case cmdQueryClosure: {
|
||||
case ServeProto::Command::QueryClosure: {
|
||||
bool includeOutputs = readInt(in);
|
||||
StorePathSet closure;
|
||||
store->computeFSClosure(WorkerProto::Serialise<StorePathSet>::read(*store, in),
|
||||
|
@ -960,7 +960,7 @@ static void opServe(Strings opFlags, Strings opArgs)
|
|||
break;
|
||||
}
|
||||
|
||||
case cmdAddToStoreNar: {
|
||||
case ServeProto::Command::AddToStoreNar: {
|
||||
if (!writeAllowed) throw Error("importing paths is not allowed");
|
||||
|
||||
auto path = readString(in);
|
||||
|
|
Loading…
Reference in a new issue