Work on #508 (thin client)

web/syscalls/clientStore.ts

@@ -1,14 +1,19 @@
+import { KVStore } from "../../plugos/lib/kv_store.ts";
+import { storeSyscalls } from "../../plugos/syscalls/store.ts";
 import { proxySyscalls } from "../../plugos/syscalls/transport.ts";
 import { SysCallMapping } from "../../plugos/system.ts";
 
-// DEPRECATED, use store directly
 export function clientStoreSyscalls(
-  storeCalls: SysCallMapping,
+  db: KVStore,
 ): SysCallMapping {
+  const localStoreCalls = storeSyscalls(db);
   return proxySyscalls(
     ["clientStore.get", "clientStore.set", "clientStore.delete"],
     (ctx, name, ...args) => {
-      return storeCalls[name.replace("clientStore.", "store.")](ctx, ...args);
+      return localStoreCalls[name.replace("clientStore.", "store.")](
+        ctx,
+        ...args,
+      );
     },
   );
 }

web/syscalls/index.proxy.ts

@@ -0,0 +1,16 @@
+import { SysCallMapping } from "../../plugos/system.ts";
+import { Client } from "../client.ts";
+import { proxySyscalls } from "./util.ts";
+
+export function indexProxySyscalls(client: Client): SysCallMapping {
+  return proxySyscalls(client, [
+    "index.set",
+    "index.batchSet",
+    "index.delete",
+    "index.get",
+    "index.queryPrefix",
+    "index.clearPageIndexForPage",
+    "index.deletePrefixForPage",
+    "index.clearPageIndex",
+  ]);
+}

web/syscalls/store.proxy.ts

@@ -0,0 +1,18 @@
+import type { SysCallMapping } from "../../plugos/system.ts";
+import type { Client } from "../client.ts";
+import { proxySyscalls } from "./util.ts";
+
+export function storeProxySyscalls(client: Client): SysCallMapping {
+  return proxySyscalls(client, [
+    "store.delete",
+    "store.deletePrefix",
+    "store.deleteAll",
+    "store.set",
+    "store.batchSet",
+    "store.batchDelete",
+    "store.batchGet",
+    "store.get",
+    "store.has",
+    "store.queryPrefix",
+  ]);
+}

web/syscalls/util.ts

@@ -0,0 +1,33 @@
+import { SysCallMapping } from "../../plugos/system.ts";
+import { SyscallResponse } from "../../server/rpc.ts";
+import { Client } from "../client.ts";
+
+export function proxySyscalls(client: Client, names: string[]): SysCallMapping {
+  const syscalls: SysCallMapping = {};
+  for (const name of names) {
+    syscalls[name] = async (_ctx, ...args: any[]) => {
+      if (!client.remoteSpacePrimitives) {
+        throw new Error("Not supported");
+      }
+      const resp = await client.remoteSpacePrimitives.authenticatedFetch(
+        `${client.remoteSpacePrimitives.url}/.rpc`,
+        {
+          method: "POST",
+          body: JSON.stringify({
+            operation: "syscall",
+            name,
+            args,
+          }),
+        },
+      );
+      const result: SyscallResponse = await resp.json();
+      if (result.error) {
+        console.error("Remote syscall error", result.error);
+        throw new Error(result.error);
+      } else {
+        return result.result;
+      }
+    };
+  }
+  return syscalls;
+}