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arangodb
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Give the server state in the agency a time to live.

This commit is contained in:
Max Neunhoeffer 2014-02-28 18:47:46 +01:00
parent b3a7173808
commit cb8f0257a7
4 changed files with 8 additions and 7 deletions
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4
arangod/Cluster/AgencyComm.cpp
View File

@ -919,7 +919,7 @@ AgencyEndpoint* AgencyComm::createAgencyEndpoint (std::string const& endpointSpe
/// @brief sends the current server state to the agency
////////////////////////////////////////////////////////////////////////////////
AgencyCommResult AgencyComm::sendServerState () {
AgencyCommResult AgencyComm::sendServerState (double ttl) {
// construct JSON value { "status": "...", "time": "..." }
TRI_json_t* json = TRI_CreateArrayJson(TRI_UNKNOWN_MEM_ZONE);
@ -933,7 +933,7 @@ AgencyCommResult AgencyComm::sendServerState () {
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE, json, "status", TRI_CreateString2CopyJson(TRI_UNKNOWN_MEM_ZONE, status.c_str(), status.size()));
TRI_Insert3ArrayJson(TRI_UNKNOWN_MEM_ZONE, json, "time", TRI_CreateString2CopyJson(TRI_UNKNOWN_MEM_ZONE, stamp.c_str(), stamp.size()));
AgencyCommResult result(setValue("Sync/ServerStates/" + ServerState::instance()->getId(), json, 0.0));
AgencyCommResult result(setValue("Sync/ServerStates/" + ServerState::instance()->getId(), json, ttl));
TRI_FreeJson(TRI_UNKNOWN_MEM_ZONE, json);
return result;

2
arangod/Cluster/AgencyComm.h
View File

@ -439,7 +439,7 @@ namespace triagens {
/// @brief sends the current server state to the agency
////////////////////////////////////////////////////////////////////////////////
AgencyCommResult sendServerState ();
AgencyCommResult sendServerState (double ttl);
////////////////////////////////////////////////////////////////////////////////
/// @brief gets the backend version

6
arangod/Cluster/ApplicationCluster.cpp
View File

@ -262,7 +262,7 @@ bool ApplicationCluster::start () {
// the agency about our state
AgencyComm comm;
comm.sendServerState();
comm.sendServerState(0.0);
const std::string version = comm.getVersion();
@ -430,7 +430,7 @@ void ApplicationCluster::close () {
ServerState::instance()->setState(ServerState::STATE_SHUTDOWN);
AgencyComm comm;
comm.sendServerState();
comm.sendServerState(0.0);
}
////////////////////////////////////////////////////////////////////////////////
@ -446,7 +446,7 @@ void ApplicationCluster::stop () {
ServerState::instance()->setState(ServerState::STATE_SHUTDOWN);
AgencyComm comm;
comm.sendServerState();
comm.sendServerState(0.0);
if (_heartbeat != 0) {
_heartbeat->stop();

3
arangod/Cluster/HeartbeatThread.cpp
View File

@ -461,7 +461,8 @@ bool HeartbeatThread::handleStateChange (AgencyCommResult& result,
////////////////////////////////////////////////////////////////////////////////
bool HeartbeatThread::sendState () {
const AgencyCommResult result = _agency.sendServerState();
const AgencyCommResult result = _agency.sendServerState(
3.0 * static_cast<double>(_interval) / 1000.0 / 1000.0);
if (result.successful()) {
_numFails = 0;