summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--cli/main.rs1
-rw-r--r--cli/msg.fbs22
-rw-r--r--cli/ops/dispatch_minimal.rs (renamed from cli/dispatch_minimal.rs)74
-rw-r--r--cli/ops/files.rs86
-rw-r--r--cli/ops/io.rs43
-rw-r--r--cli/ops/mod.rs28
-rw-r--r--js/dispatch.ts6
-rw-r--r--js/dispatch_minimal.ts13
-rw-r--r--js/files.ts56
9 files changed, 106 insertions, 223 deletions
diff --git a/cli/main.rs b/cli/main.rs
index 52d08ea9e..020ace5a3 100644
--- a/cli/main.rs
+++ b/cli/main.rs
@@ -21,7 +21,6 @@ pub mod deno_dir;
pub mod deno_error;
pub mod diagnostics;
mod disk_cache;
-mod dispatch_minimal;
mod file_fetcher;
pub mod flags;
pub mod fmt_errors;
diff --git a/cli/msg.fbs b/cli/msg.fbs
index 8fb92fee9..def17fed3 100644
--- a/cli/msg.fbs
+++ b/cli/msg.fbs
@@ -48,10 +48,8 @@ union Any {
PermissionRevoke,
Permissions,
PermissionsRes,
- Read,
ReadDir,
ReadDirRes,
- ReadRes,
Readlink,
ReadlinkRes,
Remove,
@@ -83,8 +81,6 @@ union Any {
WorkerGetMessage,
WorkerGetMessageRes,
WorkerPostMessage,
- Write,
- WriteRes,
}
enum ErrorKind: byte {
@@ -491,24 +487,6 @@ table OpenRes {
rid: uint32;
}
-table Read {
- rid: uint32;
- // (ptr, len) is passed as second parameter to Deno.core.send().
-}
-
-table ReadRes {
- nread: uint;
- eof: bool;
-}
-
-table Write {
- rid: uint32;
-}
-
-table WriteRes {
- nbyte: uint;
-}
-
table Close {
rid: uint32;
}
diff --git a/cli/dispatch_minimal.rs b/cli/ops/dispatch_minimal.rs
index 322094be2..be2cafea4 100644
--- a/cli/dispatch_minimal.rs
+++ b/cli/ops/dispatch_minimal.rs
@@ -7,14 +7,11 @@
use crate::state::ThreadSafeState;
use deno::Buf;
use deno::CoreOp;
+use deno::ErrBox;
use deno::Op;
-use deno::OpId;
use deno::PinnedBuf;
use futures::Future;
-const OP_READ: OpId = 1;
-const OP_WRITE: OpId = 2;
-
#[derive(Copy, Clone, Debug, PartialEq)]
// This corresponds to RecordMinimal on the TS side.
pub struct Record {
@@ -72,21 +69,23 @@ fn test_parse_min_record() {
assert_eq!(parse_min_record(&buf), None);
}
-pub fn dispatch_minimal(
+pub type MinimalOp = dyn Future<Item = i32, Error = ErrBox> + Send;
+pub type Dispatcher = fn(i32, Option<PinnedBuf>) -> Box<MinimalOp>;
+
+pub fn dispatch(
+ d: Dispatcher,
state: &ThreadSafeState,
- op_id: OpId,
- mut record: Record,
+ control: &[u8],
zero_copy: Option<PinnedBuf>,
) -> CoreOp {
+ let mut record = parse_min_record(control).unwrap();
let is_sync = record.promise_id == 0;
- let min_op = match op_id {
- OP_READ => ops::read(record.arg, zero_copy),
- OP_WRITE => ops::write(record.arg, zero_copy),
- _ => unimplemented!(),
- };
let state = state.clone();
+ let rid = record.arg;
+ let min_op = d(rid, zero_copy);
+
let fut = Box::new(min_op.then(move |result| -> Result<Buf, ()> {
match result {
Ok(r) => {
@@ -109,54 +108,3 @@ pub fn dispatch_minimal(
Op::Async(fut)
}
}
-
-mod ops {
- use crate::deno_error;
- use crate::resources;
- use crate::tokio_write;
- use deno::ErrBox;
- use deno::PinnedBuf;
- use futures::Future;
-
- type MinimalOp = dyn Future<Item = i32, Error = ErrBox> + Send;
-
- pub fn read(rid: i32, zero_copy: Option<PinnedBuf>) -> Box<MinimalOp> {
- debug!("read rid={}", rid);
- let zero_copy = match zero_copy {
- None => {
- return Box::new(
- futures::future::err(deno_error::no_buffer_specified()),
- )
- }
- Some(buf) => buf,
- };
- match resources::lookup(rid as u32) {
- None => Box::new(futures::future::err(deno_error::bad_resource())),
- Some(resource) => Box::new(
- tokio::io::read(resource, zero_copy)
- .map_err(ErrBox::from)
- .and_then(move |(_resource, _buf, nread)| Ok(nread as i32)),
- ),
- }
- }
-
- pub fn write(rid: i32, zero_copy: Option<PinnedBuf>) -> Box<MinimalOp> {
- debug!("write rid={}", rid);
- let zero_copy = match zero_copy {
- None => {
- return Box::new(
- futures::future::err(deno_error::no_buffer_specified()),
- )
- }
- Some(buf) => buf,
- };
- match resources::lookup(rid as u32) {
- None => Box::new(futures::future::err(deno_error::bad_resource())),
- Some(resource) => Box::new(
- tokio_write::write(resource, zero_copy)
- .map_err(ErrBox::from)
- .and_then(move |(_resource, _buf, nwritten)| Ok(nwritten as i32)),
- ),
- }
- }
-}
diff --git a/cli/ops/files.rs b/cli/ops/files.rs
index ce3285623..e311db425 100644
--- a/cli/ops/files.rs
+++ b/cli/ops/files.rs
@@ -8,7 +8,6 @@ use crate::ops::serialize_response;
use crate::ops::CliOpResult;
use crate::resources;
use crate::state::ThreadSafeState;
-use crate::tokio_write;
use deno::*;
use flatbuffers::FlatBufferBuilder;
use futures::Future;
@@ -119,91 +118,6 @@ pub fn op_close(
}
}
-pub fn op_read(
- _state: &ThreadSafeState,
- base: &msg::Base<'_>,
- data: Option<PinnedBuf>,
-) -> CliOpResult {
- let cmd_id = base.cmd_id();
- let inner = base.inner_as_read().unwrap();
- let rid = inner.rid();
-
- match resources::lookup(rid) {
- None => Err(deno_error::bad_resource()),
- Some(resource) => {
- let op = tokio::io::read(resource, data.unwrap())
- .map_err(ErrBox::from)
- .and_then(move |(_resource, _buf, nread)| {
- let builder = &mut FlatBufferBuilder::new();
- let inner = msg::ReadRes::create(
- builder,
- &msg::ReadResArgs {
- nread: nread as u32,
- eof: nread == 0,
- },
- );
- Ok(serialize_response(
- cmd_id,
- builder,
- msg::BaseArgs {
- inner: Some(inner.as_union_value()),
- inner_type: msg::Any::ReadRes,
- ..Default::default()
- },
- ))
- });
- if base.sync() {
- let buf = op.wait()?;
- Ok(Op::Sync(buf))
- } else {
- Ok(Op::Async(Box::new(op)))
- }
- }
- }
-}
-
-pub fn op_write(
- _state: &ThreadSafeState,
- base: &msg::Base<'_>,
- data: Option<PinnedBuf>,
-) -> CliOpResult {
- let cmd_id = base.cmd_id();
- let inner = base.inner_as_write().unwrap();
- let rid = inner.rid();
-
- match resources::lookup(rid) {
- None => Err(deno_error::bad_resource()),
- Some(resource) => {
- let op = tokio_write::write(resource, data.unwrap())
- .map_err(ErrBox::from)
- .and_then(move |(_resource, _buf, nwritten)| {
- let builder = &mut FlatBufferBuilder::new();
- let inner = msg::WriteRes::create(
- builder,
- &msg::WriteResArgs {
- nbyte: nwritten as u32,
- },
- );
- Ok(serialize_response(
- cmd_id,
- builder,
- msg::BaseArgs {
- inner: Some(inner.as_union_value()),
- inner_type: msg::Any::WriteRes,
- ..Default::default()
- },
- ))
- });
- if base.sync() {
- let buf = op.wait()?;
- Ok(Op::Sync(buf))
- } else {
- Ok(Op::Async(Box::new(op)))
- }
- }
- }
-}
-
pub fn op_seek(
_state: &ThreadSafeState,
base: &msg::Base<'_>,
diff --git a/cli/ops/io.rs b/cli/ops/io.rs
new file mode 100644
index 000000000..610238942
--- /dev/null
+++ b/cli/ops/io.rs
@@ -0,0 +1,43 @@
+use super::dispatch_minimal::MinimalOp;
+use crate::deno_error;
+use crate::resources;
+use crate::tokio_write;
+use deno::ErrBox;
+use deno::PinnedBuf;
+use futures::Future;
+
+pub fn op_read(rid: i32, zero_copy: Option<PinnedBuf>) -> Box<MinimalOp> {
+ debug!("read rid={}", rid);
+ let zero_copy = match zero_copy {
+ None => {
+ return Box::new(futures::future::err(deno_error::no_buffer_specified()))
+ }
+ Some(buf) => buf,
+ };
+ match resources::lookup(rid as u32) {
+ None => Box::new(futures::future::err(deno_error::bad_resource())),
+ Some(resource) => Box::new(
+ tokio::io::read(resource, zero_copy)
+ .map_err(ErrBox::from)
+ .and_then(move |(_resource, _buf, nread)| Ok(nread as i32)),
+ ),
+ }
+}
+
+pub fn op_write(rid: i32, zero_copy: Option<PinnedBuf>) -> Box<MinimalOp> {
+ debug!("write rid={}", rid);
+ let zero_copy = match zero_copy {
+ None => {
+ return Box::new(futures::future::err(deno_error::no_buffer_specified()))
+ }
+ Some(buf) => buf,
+ };
+ match resources::lookup(rid as u32) {
+ None => Box::new(futures::future::err(deno_error::bad_resource())),
+ Some(resource) => Box::new(
+ tokio_write::write(resource, zero_copy)
+ .map_err(ErrBox::from)
+ .and_then(move |(_resource, _buf, nwritten)| Ok(nwritten as i32)),
+ ),
+ }
+}
diff --git a/cli/ops/mod.rs b/cli/ops/mod.rs
index 021c0fa47..bf621e0e1 100644
--- a/cli/ops/mod.rs
+++ b/cli/ops/mod.rs
@@ -1,7 +1,5 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use crate::deno_error::GetErrorKind;
-use crate::dispatch_minimal::dispatch_minimal;
-use crate::dispatch_minimal::parse_min_record;
use crate::msg;
use crate::state::ThreadSafeState;
use crate::tokio_util;
@@ -13,12 +11,15 @@ use hyper;
use hyper::rt::Future;
use tokio_threadpool;
+mod dispatch_minimal;
+mod io;
+
mod compiler;
use compiler::{op_cache, op_fetch_source_file};
mod errors;
use errors::{op_apply_source_map, op_format_error};
mod files;
-use files::{op_close, op_open, op_read, op_seek, op_write};
+use files::{op_close, op_open, op_seek};
mod fetch;
use fetch::op_fetch;
mod fs;
@@ -71,6 +72,8 @@ fn empty_buf() -> Buf {
}
const FLATBUFFER_OP_ID: OpId = 44;
+const OP_READ: OpId = 1;
+const OP_WRITE: OpId = 2;
pub fn dispatch_all(
state: &ThreadSafeState,
@@ -81,11 +84,18 @@ pub fn dispatch_all(
) -> CoreOp {
let bytes_sent_control = control.len();
let bytes_sent_zero_copy = zero_copy.as_ref().map(|b| b.len()).unwrap_or(0);
- let op = if op_id != FLATBUFFER_OP_ID {
- let min_record = parse_min_record(control).unwrap();
- dispatch_minimal(state, op_id, min_record, zero_copy)
- } else {
- dispatch_all_legacy(state, control, zero_copy, op_selector)
+
+ let op = match op_id {
+ OP_READ => {
+ dispatch_minimal::dispatch(io::op_read, state, control, zero_copy)
+ }
+ OP_WRITE => {
+ dispatch_minimal::dispatch(io::op_write, state, control, zero_copy)
+ }
+ FLATBUFFER_OP_ID => {
+ dispatch_all_legacy(state, control, zero_copy, op_selector)
+ }
+ _ => panic!("bad op_id"),
};
state.metrics_op_dispatched(bytes_sent_control, bytes_sent_zero_copy);
op
@@ -226,7 +236,6 @@ pub fn op_selector_std(inner_type: msg::Any) -> Option<CliDispatchFn> {
msg::Any::Open => Some(op_open),
msg::Any::PermissionRevoke => Some(op_revoke_permission),
msg::Any::Permissions => Some(op_permissions),
- msg::Any::Read => Some(op_read),
msg::Any::ReadDir => Some(op_read_dir),
msg::Any::Readlink => Some(op_read_link),
msg::Any::Remove => Some(op_remove),
@@ -245,7 +254,6 @@ pub fn op_selector_std(inner_type: msg::Any) -> Option<CliDispatchFn> {
msg::Any::Truncate => Some(op_truncate),
msg::Any::HomeDir => Some(op_home_dir),
msg::Any::Utime => Some(op_utime),
- msg::Any::Write => Some(op_write),
// TODO(ry) split these out so that only the appropriate Workers can access
// them.
diff --git a/js/dispatch.ts b/js/dispatch.ts
index babea5739..6edd2981c 100644
--- a/js/dispatch.ts
+++ b/js/dispatch.ts
@@ -32,9 +32,13 @@ function flatbufferRecordFromBuf(buf: Uint8Array): FlatbufferRecord {
}
export function handleAsyncMsgFromRust(opId: number, ui8: Uint8Array): void {
- const buf32 = new Int32Array(ui8.buffer, ui8.byteOffset, ui8.byteLength / 4);
if (opId !== FLATBUFFER_OP_ID) {
// Fast and new
+ const buf32 = new Int32Array(
+ ui8.buffer,
+ ui8.byteOffset,
+ ui8.byteLength / 4
+ );
const recordMin = recordFromBufMinimal(opId, buf32);
handleAsyncMsgFromRustMinimal(ui8, recordMin);
} else {
diff --git a/js/dispatch_minimal.ts b/js/dispatch_minimal.ts
index df0a290b2..483342127 100644
--- a/js/dispatch_minimal.ts
+++ b/js/dispatch_minimal.ts
@@ -52,6 +52,19 @@ export function handleAsyncMsgFromRustMinimal(
promise!.resolve(result);
}
+export function sendSyncMinimal(
+ opId: number,
+ arg: number,
+ zeroCopy: Uint8Array
+): number {
+ scratch32[0] = 0; // promiseId 0 indicates sync
+ scratch32[1] = arg;
+ const res = core.dispatch(opId, scratchBytes, zeroCopy)!;
+ const res32 = new Int32Array(res.buffer, res.byteOffset, 3);
+ const resRecord = recordFromBufMinimal(opId, res32);
+ return resRecord.result;
+}
+
export function sendAsyncMinimal(
opId: number,
arg: number,
diff --git a/js/files.ts b/js/files.ts
index eb899d738..1582d8fd4 100644
--- a/js/files.ts
+++ b/js/files.ts
@@ -11,11 +11,12 @@ import {
SyncSeeker
} from "./io";
import * as dispatch from "./dispatch";
-import { sendAsyncMinimal } from "./dispatch_minimal";
+import { sendAsyncMinimal, sendSyncMinimal } from "./dispatch_minimal";
import * as msg from "gen/cli/msg_generated";
import { assert } from "./util";
import * as flatbuffers from "./flatbuffers";
+// Warning: These constants defined in two places. Here and in cli/ops/mod.rs.
const OP_READ = 1;
const OP_WRITE = 2;
@@ -62,26 +63,6 @@ export async function open(
return resOpen(await dispatch.sendAsync(...reqOpen(filename, mode)));
}
-function reqRead(
- rid: number,
- p: Uint8Array
-): [flatbuffers.Builder, msg.Any, flatbuffers.Offset, Uint8Array] {
- const builder = flatbuffers.createBuilder();
- const inner = msg.Read.createRead(builder, rid);
- return [builder, msg.Any.Read, inner, p];
-}
-
-function resRead(baseRes: null | msg.Base): number | EOF {
- assert(baseRes != null);
- assert(msg.Any.ReadRes === baseRes!.innerType());
- const res = new msg.ReadRes();
- assert(baseRes!.inner(res) != null);
- if (res.eof()) {
- return EOF;
- }
- return res.nread();
-}
-
/** Read synchronously from a file ID into an array buffer.
*
* Return `number | EOF` for the operation.
@@ -93,7 +74,14 @@ function resRead(baseRes: null | msg.Base): number | EOF {
*
*/
export function readSync(rid: number, p: Uint8Array): number | EOF {
- return resRead(dispatch.sendSync(...reqRead(rid, p)));
+ const nread = sendSyncMinimal(OP_READ, rid, p);
+ if (nread < 0) {
+ throw new Error("read error");
+ } else if (nread == 0) {
+ return EOF;
+ } else {
+ return nread;
+ }
}
/** Read from a file ID into an array buffer.
@@ -118,23 +106,6 @@ export async function read(rid: number, p: Uint8Array): Promise<number | EOF> {
}
}
-function reqWrite(
- rid: number,
- p: Uint8Array
-): [flatbuffers.Builder, msg.Any, flatbuffers.Offset, Uint8Array] {
- const builder = flatbuffers.createBuilder();
- const inner = msg.Write.createWrite(builder, rid);
- return [builder, msg.Any.Write, inner, p];
-}
-
-function resWrite(baseRes: null | msg.Base): number {
- assert(baseRes != null);
- assert(msg.Any.WriteRes === baseRes!.innerType());
- const res = new msg.WriteRes();
- assert(baseRes!.inner(res) != null);
- return res.nbyte();
-}
-
/** Write synchronously to the file ID the contents of the array buffer.
*
* Resolves with the number of bytes written.
@@ -145,7 +116,12 @@ function resWrite(baseRes: null | msg.Base): number {
* Deno.writeSync(file.rid, data);
*/
export function writeSync(rid: number, p: Uint8Array): number {
- return resWrite(dispatch.sendSync(...reqWrite(rid, p)));
+ let result = sendSyncMinimal(OP_WRITE, rid, p);
+ if (result < 0) {
+ throw new Error("write error");
+ } else {
+ return result;
+ }
}
/** Write to the file ID the contents of the array buffer.