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introduce JSON serialization for ops (#2799)

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Converts env(), exit(), execPath(), utime() and utimeSync() to use JSON
instead of flatbuffers.
This commit is contained in:
Ryan Dahl 2019-08-22 22:30:14 -07:00 • committed by GitHub
parent 47c216317f
commit bc467b265f
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GPG key ID: 4AEE18F83AFDEB23
16 changed files with 355 additions and 241 deletions
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36
cli/ops/mod.rs
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@ -4,6 +4,7 @@ use deno::*;
mod compiler;
mod dispatch_flatbuffers;
mod dispatch_json;
mod dispatch_minimal;
mod errors;
mod fetch;
@ -23,9 +24,16 @@ mod timers;
mod utils;
mod workers;
// Warning! These values are duplicated in the TypeScript code (js/dispatch.ts),
// update with care.
pub const OP_FLATBUFFER: OpId = 44;
pub const OP_READ: OpId = 1;
pub const OP_WRITE: OpId = 2;
pub const OP_EXIT: OpId = 3;
pub const OP_IS_TTY: OpId = 4;
pub const OP_ENV: OpId = 5;
pub const OP_EXEC_PATH: OpId = 6;
pub const OP_UTIME: OpId = 7;
pub fn dispatch(
state: &ThreadSafeState,
@ -43,10 +51,36 @@ pub fn dispatch(
OP_WRITE => {
dispatch_minimal::dispatch(io::op_write, state, control, zero_copy)
}
OP_EXIT => dispatch_json::dispatch(os::op_exit, state, control, zero_copy),
OP_IS_TTY => {
dispatch_json::dispatch(os::op_is_tty, state, control, zero_copy)
}
OP_ENV => dispatch_json::dispatch(os::op_env, state, control, zero_copy),
OP_EXEC_PATH => {
dispatch_json::dispatch(os::op_exec_path, state, control, zero_copy)
}
OP_UTIME => {
dispatch_json::dispatch(fs::op_utime, state, control, zero_copy)
}
OP_FLATBUFFER => dispatch_flatbuffers::dispatch(state, control, zero_copy),
_ => panic!("bad op_id"),
};
state.metrics_op_dispatched(bytes_sent_control, bytes_sent_zero_copy);
op
match op {
Op::Sync(buf) => {
state.metrics_op_completed(buf.len());
Op::Sync(buf)
}
Op::Async(fut) => {
use crate::futures::Future;
let state = state.clone();
let result_fut = Box::new(fut.map(move |buf: Buf| {
state.clone().metrics_op_completed(buf.len());
buf
}));
Op::Async(result_fut)
}
}
}