private void common(HBRefData refData, HBResult result, boolean putOpinion) throws MgmtZooKeeperException, NodeExistsException { HBRefData.ZKData zkData = refData.getZkData(); if (zkData.state.equals(result.getState()) && refData.isSubmitMyOpinion()) { if (putOpinion) { removeMyOpinion(refData, result, result.getState()); } else { workflowExecutor.perform(OPINION_PUBLISH, result); } } else if (!result.getState().equals(refData.getLastState()) && !result.getState().equals(zkData.state)) { if (putOpinion) { if (refData.isSubmitMyOpinion()) removeMyOpinion(refData, result, result.getState()); putMyOpinion(0, refData, result, result.getState()); } else { workflowExecutor.perform(OPINION_PUBLISH, result); } } }
private void pgs(HBRefData refData, HBResult result, boolean putOpinion) throws MgmtZooKeeperException, NodeExistsException { String newState = result.getState(); long stateTimestamp = Constant.DEFAULT_STATE_TIMESTAMP; HBRefData.ZKData zkData = refData.getZkData(); if (result.getState().equals(Constant.SERVER_STATE_NORMAL)) { String[] resAry = result.getResponse().split(" "); if (resAry.length < 3) { Logger.error( "Invalid response. from: {}, response: {}", result.getRemoteIP() + ":" + result.getRemoteIP(), result.getResponse()); newState = Constant.SERVER_STATE_FAILURE; } if (resAry[1].equals("1")) { newState = Constant.SERVER_STATE_LCONN; } else if (resAry[1].equals("0")) { newState = Constant.SERVER_STATE_FAILURE; } stateTimestamp = Long.parseLong(resAry[2]); } else if (result.getState().equals(Constant.SERVER_STATE_FAILURE)) { stateTimestamp = zkData.stateTimestamp + 1; } if (stateTimestamp == zkData.stateTimestamp && newState.equals(zkData.state)) { if (refData.isSubmitMyOpinion()) { if (putOpinion) { removeMyOpinion(refData, result, newState); } else { workflowExecutor.perform(OPINION_PUBLISH, result); } } } else if (newState.equals(zkData.state) && newState.equals(Constant.SERVER_STATE_FAILURE) && stateTimestamp - 1 == zkData.stateTimestamp) { if (refData.isSubmitMyOpinion()) { if (putOpinion) { removeMyOpinion(refData, result, newState); } else { workflowExecutor.perform(OPINION_PUBLISH, result); } } } /** * HBC assumes that dead PGS`s version is zk_version + 1, because Dead PGS`s version(timestamp) * is 0. so this routine is located at the bottom of these conditional statements. Otherwise, if * PGS was in dead, then this function increases PGS`s version and puts an opinion to the * ZooKeeper repeatedly. */ else if (!newState.equals(refData.getLastState()) || stateTimestamp != refData.getLastStateTimestamp()) { if (putOpinion) { if (refData.isSubmitMyOpinion()) { removeMyOpinion(refData, result, newState); } putMyOpinion(stateTimestamp, refData, result, newState); } else { workflowExecutor.perform(OPINION_PUBLISH, result); } } }