1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "peer-check.h"
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/log/log.h>
LOG_SETUP(".sentinel.peer-check");
using vespalib::make_string_short::fmt;
namespace config::sentinel {
PeerCheck::PeerCheck(StatusCallback &callback, const std::string &host, int port, FRT_Supervisor &orb, int timeout_ms)
: _callback(callback),
_hostname(host),
_portnum(port),
_target(nullptr),
_req(nullptr),
_statusOk(false)
{
auto spec = fmt("tcp/%s:%d", _hostname.c_str(), _portnum);
_target = orb.GetTarget(spec.c_str());
_req = orb.AllocRPCRequest();
_req->SetMethodName("frt.rpc.ping");
_target->InvokeAsync(_req, timeout_ms * 0.001, this);
}
PeerCheck::~PeerCheck() {
LOG_ASSERT(_req == nullptr);
LOG_ASSERT(_target == nullptr);
}
void PeerCheck::RequestDone(FRT_RPCRequest *req) {
LOG_ASSERT(req == _req);
if (req->IsError()) {
LOG(debug, "error on ping to %s [port %d]: %s (%d)", _hostname.c_str(), _portnum,
req->GetErrorMessage(), req->GetErrorCode());
} else {
LOG(debug, "OK ping to %s [port %d]", _hostname.c_str(), _portnum);
_statusOk = true;
}
_req->internal_subref();
_req = nullptr;
_target->internal_subref();
_target = nullptr;
// Note: will delete this object, so must be called as final step:
_callback.returnStatus(_statusOk);
}
}
|
