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feat: update event mechanism

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add event type local and global, clients have to use contractID and topic to subscribe local event; allow clients to subscribe topics (will not be recorded)
This commit is contained in:
Frank.R.Wu 2021-10-31 23:07:14 +08:00
parent 877dcfe661
commit ad2b0fb6c3
3 changed files with 69 additions and 31 deletions
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4
contracts/EventPublisher/EventPublisher.yjs
View File

@ -7,7 +7,7 @@ contract EventPublisher {
* function te: publish an event with topic 'te' and default semantics AT_LEAST_ONCE
* function tes: publish an event with topic 'te' and another semantics
*/
event te;
event global te;
/*
* event declaration with semantics
* valid semantics: AT_LEASE_ONCE, AT_MOST_ONCE, and ONLY_ONCE
@ -15,7 +15,7 @@ contract EventPublisher {
* function tews: publish an event with topic 'tews' and semantics AT_MOST_ONCE
* function tewss: publish an event with topic 'tews' and another semantics
*/
event AT_MOST_ONCE tews;
event global tews(AT_MOST_ONCE);
// publish an event with declared topic and default semantics AT_LEAST_ONCE
export function pub1(e) {
var content = YancloudUtil.random() + ' EventPublisher.pub1';

66
src/main/java/org/bdware/server/ws/ContractManagerFrameHandler.java
View File

@ -56,7 +56,9 @@ public class ContractManagerFrameHandler extends SimpleChannelInboundHandler<Web
userManagerAction,
new MasterWSAction(userManagerAction), // 多节点执行
new CMLogAction(),
new ProcessAction(), GRPCPool.instance) {
new ProcessAction(),
GRPCPool.instance,
new EventActions()) {
@Override
public boolean checkPermission(Action a, JsonObject arg, long permission) {
long val = a.userPermission();
@ -74,25 +76,21 @@ public class ContractManagerFrameHandler extends SimpleChannelInboundHandler<Web
flag = false;
}
LOGGER.debug(
"[checkpermission] "
+ action
+ " val:"
+ val
+ " permission:"
+ permission
+ " status:"
+ status);
String.format(
"%s val:%d permission:%d status:%s",
action,
val,
permission,
status));
String sb = "{\"action\":\"" +
action +
"\",\"pubKey\":\"" +
userManagerAction.getPubKey() +
"\",\"status\":\"" +
status +
"\",\"date\":" +
System.currentTimeMillis() +
"}";
CMHttpServer.nodeLogDB.put(action, sb);
CMHttpServer.nodeLogDB.put(
action,
String.format(
"{\"action\":\"%s\",\"pubKey\":\"%s\",\"status\":\"%s\",\"date\":%d}",
action,
userManagerAction.getPubKey(),
status,
System.currentTimeMillis()));
// TimeDBUtil.instance.put(CMTables.LocalNodeLogDB.toString(),
// sb.toString());
return flag;
@ -113,8 +111,7 @@ public class ContractManagerFrameHandler extends SimpleChannelInboundHandler<Web
}
@Override
protected void channelRead0(final ChannelHandlerContext ctx, WebSocketFrame frame)
throws Exception {
protected void channelRead0(final ChannelHandlerContext ctx, WebSocketFrame frame) {
// ping and pong frames already handled
if (frame instanceof TextWebSocketFrame) {
// Send the uppercase string back.
@ -166,7 +163,7 @@ public class ContractManagerFrameHandler extends SimpleChannelInboundHandler<Web
ae.handle(
action,
map,
new ResultCallback() {
new ResultCallback(ctx.channel()) {
@Override
public void onResult(String ret) {
if (ret != null) {
@ -181,7 +178,6 @@ public class ContractManagerFrameHandler extends SimpleChannelInboundHandler<Web
ctx.channel().writeAndFlush(new TextWebSocketFrame((JsonUtil.toJson(response))));
} catch (Exception e) {
ByteArrayOutputStream bo = new ByteArrayOutputStream();
e.printStackTrace();
e.printStackTrace(new PrintStream(bo));
response = new Response();
response.action = "onException";
@ -189,12 +185,24 @@ public class ContractManagerFrameHandler extends SimpleChannelInboundHandler<Web
StringBuilder ret = new StringBuilder();
int count = 0;
for (String s : strs) {
if (s.contains("sun.reflect")) continue;
if (s.contains("java.lang.reflect")) continue;
if (s.contains("org.apache")) continue;
if (s.contains("java.util")) continue;
if (s.contains("java.lang")) continue;
if (s.contains("io.netty")) continue;
if (s.contains("sun.reflect")) {
continue;
}
if (s.contains("java.lang.reflect")) {
continue;
}
if (s.contains("org.apache")) {
continue;
}
if (s.contains("java.util")) {
continue;
}
if (s.contains("java.lang")) {
continue;
}
if (s.contains("io.netty")) {
continue;
}
ret.append(s);
ret.append("\n");
if (count++ > 5) break;

30
src/main/java/org/bdware/server/ws/EventActions.java Normal file
View File

@ -0,0 +1,30 @@
package org.bdware.server.ws;
import com.google.gson.JsonObject;
import org.bdware.sc.ContractClient;
import org.bdware.sc.conn.ResultCallback;
import org.bdware.sc.util.HashUtil;
import org.bdware.server.action.Action;
import org.bdware.server.action.CMActions;
public class EventActions {
@Action(async = true, userPermission = 0)
public void subEvent(JsonObject args, final ResultCallback rcb) {
if (!args.has("topic")) {
rcb.onResult("{\"status\":\"Error\",\"data\":\"no topic arg!\"}");
return;
}
String topic = args.get("topic").getAsString();
if (args.has("contractID")) {
String argCID = args.get("contractID").getAsString();
ContractClient client = CMActions.manager.getClient(argCID);
if (null == client) {
rcb.onResult("{\"status\":\"Error\",\"data\":\"invalid contract ID or Name!\"}");
return;
}
String contractID = client.getContractID();
topic = HashUtil.sha3(contractID + topic);
}
CMActions.manager.subEventByClient(topic, rcb.getChannel());
}
}