feat: Add pause/resume functionality for connection tracking

src/pages/connections.tsx

@@ -3,7 +3,12 @@ import { useLockFn } from "ahooks";
 import { Box, Button, IconButton, MenuItem } from "@mui/material";
 import { Virtuoso } from "react-virtuoso";
 import { useTranslation } from "react-i18next";
-import { TableChartRounded, TableRowsRounded } from "@mui/icons-material";
+import {
+  TableChartRounded,
+  TableRowsRounded,
+  PlayCircleOutlineRounded,
+  PauseCircleOutlineRounded,
+} from "@mui/icons-material";
 import { closeAllConnections } from "@/services/api";
 import { useConnectionSetting } from "@/services/states";
 import { useClashInfo } from "@/hooks/use-clash";
@@ -58,6 +63,9 @@ const ConnectionsPage = () => {
       list.sort((a, b) => b.curDownload! - a.curDownload!),
   };
 
+  const [isPaused, setIsPaused] = useState(false);
+  const [frozenData, setFrozenData] = useState<IConnections | null>(null);
+
   const { data: connData = initConn } = useSWRSubscription<
     IConnections,
     any,
@@ -70,9 +78,7 @@ const ConnectionsPage = () => {
         `ws://${server}/connections?token=${encodeURIComponent(secret)}`,
         {
           onmessage(event) {
-            // meta v1.15.0 出现 data.connections 为 null 的情况
             const data = JSON.parse(event.data) as IConnections;
-            // 尽量与前一次 connections 的展示顺序保持一致
             next(null, (old = initConn) => {
               const oldConn = old.connections;
               const maxLen = data.connections?.length;
@@ -117,9 +123,13 @@ const ConnectionsPage = () => {
     },
   );
 
+  const displayData = useMemo(() => {
+    return isPaused ? (frozenData ?? connData) : connData;
+  }, [isPaused, frozenData, connData]);
+
   const [filterConn, download, upload] = useMemo(() => {
     const orderFunc = orderOpts[curOrderOpt];
-    let connections = connData.connections.filter((conn) =>
+    let connections = displayData.connections.filter((conn) =>
       match(conn.metadata.host || conn.metadata.destinationIP || ""),
     );
 
@@ -132,7 +142,7 @@ const ConnectionsPage = () => {
       upload += x.upload;
     });
     return [connections, download, upload];
-  }, [connData, match, curOrderOpt]);
+  }, [displayData, match, curOrderOpt]);
 
   const onCloseAll = useLockFn(closeAllConnections);
 
@@ -142,6 +152,17 @@ const ConnectionsPage = () => {
     setMatch(() => match);
   }, []);
 
+  const handlePauseToggle = useCallback(() => {
+    setIsPaused((prev) => {
+      if (!prev) {
+        setFrozenData(connData);
+      } else {
+        setFrozenData(null);
+      }
+      return !prev;
+    });
+  }, [connData]);
+
   return (
     <BasePage
       full
@@ -151,8 +172,6 @@ const ConnectionsPage = () => {
         display: "flex",
         flexDirection: "column",
         overflow: "auto",
-        //    margin: "0 10px",
-        //  backgroundColor: isDark ? "#282a36" : "#ffffff",
         borderRadius: "8px",
       }}
       header={
@@ -175,16 +194,23 @@ const ConnectionsPage = () => {
             }
           >
             {isTableLayout ? (
-              <span title={t("List View")}>
-                <TableRowsRounded fontSize="inherit" />
-              </span>
+              <TableRowsRounded titleAccess={t("List View")} />
             ) : (
-              <span title={t("Table View")}>
-                <TableChartRounded fontSize="inherit" />
-              </span>
+              <TableChartRounded titleAccess={t("Table View")} />
+            )}
+          </IconButton>
+          <IconButton
+            color="inherit"
+            size="small"
+            onClick={handlePauseToggle}
+            title={isPaused ? t("Resume") : t("Pause")}
+          >
+            {isPaused ? (
+              <PlayCircleOutlineRounded />
+            ) : (
+              <PauseCircleOutlineRounded />
             )}
           </IconButton>
-
           <Button size="small" variant="contained" onClick={onCloseAll}>
             <span style={{ whiteSpace: "nowrap" }}>{t("Close All")}</span>
           </Button>
@@ -200,7 +226,6 @@ const ConnectionsPage = () => {
           display: "flex",
           alignItems: "center",
           userSelect: "text",
-          //     backgroundColor: isDark ? "#282a36" : "#ffffff",
           position: "sticky",
           top: 0,
           zIndex: 2,
@@ -232,7 +257,6 @@ const ConnectionsPage = () => {
         <Virtuoso
           style={{
             flex: 1,
-            //    backgroundColor: isDark ? "#282a36" : "#ffffff",
             borderRadius: "8px",
           }}
           data={filterConn}