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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fnet/frt/rpcrequest.h>
#include <vespa/fnet/frt/supervisor.h>
#include <vespa/fnet/frt/target.h>
#include <vespa/slobrok/sbmirror.h>
#include <vespa/vespalib/util/signalhandler.h>
#include <vespa/vespalib/locale/c.h>
#include <vespa/vespalib/util/time.h>
#include <thread>
#include <vespa/log/log.h>
LOG_SETUP("vespa-storage-cmd");
class RPCClient
{
private:
static bool addArg(FRT_RPCRequest *req, const char *param) {
int len = strlen(param);
if (len < 2 || param[1] != ':') {
return false;
}
const char *value = param + 2;
switch (param[0]) {
case 'b':
req->GetParams()->AddInt8(strtoll(value, nullptr, 0));
break;
case 'h':
req->GetParams()->AddInt16(strtoll(value, nullptr, 0));
break;
case 'i':
req->GetParams()->AddInt32(strtoll(value, nullptr, 0));
break;
case 'l':
req->GetParams()->AddInt64(strtoll(value, nullptr, 0));
break;
case 'f':
req->GetParams()->AddFloat(vespalib::locale::c::strtod(value, nullptr));
break;
case 'd':
req->GetParams()->AddDouble(vespalib::locale::c::strtod(value, nullptr));
break;
case 's':
req->GetParams()->AddString(value);
break;
default:
return false;
}
return true;
}
public:
int main(int argc, char **argv) {
if (argc < 3) {
fprintf(stderr, "usage: vespa-storage-cmd <connectspec> <method> [args]\n");
fprintf(stderr, "Calls RPC method on a storage/distributor process\n");
fprintf(stderr, "Call frt.rpc.getMethodList to get available RPC methods\n");
fprintf(stderr, " each arg must be on the form <type>:<value>\n");
fprintf(stderr, " supported types: {'b','h','i','l','f','d','s'}\n");
return 1;
}
int retCode = 0;
fnet::frt::StandaloneFRT supervisor;
slobrok::ConfiguratorFactory sbcfg(config::ConfigUri("client"));
slobrok::api::MirrorAPI mirror(supervisor.supervisor(), sbcfg);
while (!mirror.ready()) {
std::this_thread::sleep_for(10ms);
}
slobrok::api::MirrorAPI::SpecList list = mirror.lookup(argv[1]);
if (list.size() == 0) {
fprintf(stderr, "No servers found matching %s\n", argv[1]);
}
for (size_t j = 0; j < list.size(); j++) {
FRT_Target *target = supervisor.supervisor().GetTarget(list[j].second.c_str());
// If not fleet controller, need to connect first.
if (strstr(argv[1], "fleetcontroller") == nullptr) {
FRT_RPCRequest *req = supervisor.supervisor().AllocRPCRequest();
req->SetMethodName("vespa.storage.connect");
req->GetParams()->AddString(argv[1]);
target->InvokeSync(req, 10.0);
if (req->GetErrorCode() != FRTE_NO_ERROR) {
fprintf(stderr, "error(%d): %s\n",
req->GetErrorCode(),
req->GetErrorMessage());
continue;
}
req->internal_subref();
}
FRT_RPCRequest *req = supervisor.supervisor().AllocRPCRequest();
req->SetMethodName(argv[2]);
for (int i = 3; i < argc; ++i) {
if (!addArg(req, argv[i])) {
fprintf(stderr, "could not parse parameter: '%s'\n", argv[i]);
retCode = 2;
break;
}
}
if (retCode == 0) {
target->InvokeSync(req, 10.0);
if (req->GetErrorCode() == FRTE_NO_ERROR) {
fprintf(stdout, "RETURN VALUES FOR %s:\n", list[j].first.c_str());
req->GetReturn()->Print();
retCode = 3;
} else {
fprintf(stderr, "error(%d): %s\n",
req->GetErrorCode(),
req->GetErrorMessage());
}
}
req->internal_subref();
target->internal_subref();
}
return retCode;
}
};
int main(int argc, char **argv) {
vespalib::SignalHandler::PIPE.ignore();
RPCClient myapp;
return myapp.main(argc, argv);
}
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