0b3a06ab2c
net complexity increase :/
170 lines
4.0 KiB
C++
170 lines
4.0 KiB
C++
#include "rust_internal.h"
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#include "uv.h"
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// crust fn pointers
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typedef void (*crust_async_op_cb)(uv_loop_t* loop, void* data);
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typedef void (*crust_simple_cb)(uint8_t* id_buf, void* loop_data);
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typedef void (*crust_close_cb)(uint8_t* id_buf, void* handle,
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void* data);
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// data types
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#define RUST_UV_HANDLE_LEN 16
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struct handle_data {
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uint8_t id_buf[RUST_UV_HANDLE_LEN];
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crust_simple_cb cb;
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crust_close_cb close_cb;
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};
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// helpers
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static void*
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current_kernel_malloc(size_t size, const char* tag) {
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void* ptr = rust_task_thread::get_task()->kernel->malloc(size, tag);
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return ptr;
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}
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static void
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current_kernel_free(void* ptr) {
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rust_task_thread::get_task()->kernel->free(ptr);
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}
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static handle_data*
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new_handle_data_from(uint8_t* buf, crust_simple_cb cb) {
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handle_data* data = (handle_data*)current_kernel_malloc(
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sizeof(handle_data),
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"handle_data");
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memcpy(data->id_buf, buf, RUST_UV_HANDLE_LEN);
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data->cb = cb;
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return data;
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}
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// libuv callback impls
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static void
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native_crust_async_op_cb(uv_async_t* handle, int status) {
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crust_async_op_cb cb = (crust_async_op_cb)handle->data;
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void* loop_data = handle->loop->data;
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cb(handle->loop, loop_data);
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}
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static void
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native_async_cb(uv_async_t* handle, int status) {
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handle_data* handle_d = (handle_data*)handle->data;
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void* loop_data = handle->loop->data;
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handle_d->cb(handle_d->id_buf, loop_data);
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}
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static void
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native_timer_cb(uv_timer_t* handle, int status) {
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handle_data* handle_d = (handle_data*)handle->data;
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void* loop_data = handle->loop->data;
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handle_d->cb(handle_d->id_buf, loop_data);
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}
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static void
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native_close_cb(uv_handle_t* handle) {
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handle_data* data = (handle_data*)handle->data;
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data->close_cb(data->id_buf, handle, handle->loop->data);
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}
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static void
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native_close_op_cb(uv_handle_t* op_handle) {
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current_kernel_free(op_handle);
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// uv_run() should return after this..
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}
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// native fns bound in rust
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extern "C" void*
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rust_uv_loop_new() {
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return (void*)uv_loop_new();
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}
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extern "C" void
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rust_uv_loop_set_data(uv_loop_t* loop, void* data) {
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loop->data = data;
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}
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extern "C" void*
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rust_uv_bind_op_cb(uv_loop_t* loop, crust_async_op_cb cb) {
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uv_async_t* async = (uv_async_t*)current_kernel_malloc(
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sizeof(uv_async_t),
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"uv_async_t");
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uv_async_init(loop, async, native_crust_async_op_cb);
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async->data = (void*)cb;
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// decrement the ref count, so that our async bind
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// doesn't count towards keeping the loop alive
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//uv_unref(loop);
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return async;
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}
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extern "C" void
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rust_uv_stop_op_cb(uv_handle_t* op_handle) {
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uv_close(op_handle, native_close_op_cb);
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}
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extern "C" void
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rust_uv_run(uv_loop_t* loop) {
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uv_run(loop);
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}
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extern "C" void
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rust_uv_close(uv_handle_t* handle, crust_close_cb cb) {
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handle_data* data = (handle_data*)handle->data;
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data->close_cb = cb;
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uv_close(handle, native_close_cb);
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}
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extern "C" void
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rust_uv_close_async(uv_async_t* handle) {
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current_kernel_free(handle->data);
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current_kernel_free(handle);
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}
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extern "C" void
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rust_uv_close_timer(uv_async_t* handle) {
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current_kernel_free(handle->data);
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current_kernel_free(handle);
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}
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extern "C" void
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rust_uv_async_send(uv_async_t* handle) {
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uv_async_send(handle);
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}
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extern "C" void*
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rust_uv_async_init(uv_loop_t* loop, crust_simple_cb cb,
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uint8_t* buf) {
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uv_async_t* async = (uv_async_t*)current_kernel_malloc(
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sizeof(uv_async_t),
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"uv_async_t");
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uv_async_init(loop, async, native_async_cb);
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handle_data* data = new_handle_data_from(buf, cb);
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async->data = data;
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return async;
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}
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extern "C" void*
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rust_uv_timer_init(uv_loop_t* loop, crust_simple_cb cb,
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uint8_t* buf) {
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uv_timer_t* new_timer = (uv_timer_t*)current_kernel_malloc(
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sizeof(uv_timer_t),
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"uv_timer_t");
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uv_timer_init(loop, new_timer);
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handle_data* data = new_handle_data_from(buf, cb);
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new_timer->data = data;
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return new_timer;
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}
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extern "C" void
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rust_uv_timer_start(uv_timer_t* the_timer, uint32_t timeout,
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uint32_t repeat) {
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uv_timer_start(the_timer, native_timer_cb, timeout, repeat);
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}
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extern "C" void
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rust_uv_timer_stop(uv_timer_t* the_timer) {
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uv_timer_stop(the_timer);
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}
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