You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.8 KiB
89 lines
2.8 KiB
#pragma once
|
|
|
|
#include <assert.h>
|
|
#include <sys/mman.h>
|
|
#include <signal.h>
|
|
#include <uv.h>
|
|
|
|
#include "http_request.h"
|
|
#include "runtime.h"
|
|
#include "sandbox.h"
|
|
/**
|
|
* Parses data read by the libuv stream chunk-by-chunk until the message is complete
|
|
* Then stops the stream and wakes up the sandbox
|
|
* @param stream
|
|
* @param number_read bytes read
|
|
* @param buffer unused
|
|
*
|
|
* FIXME: is there some weird edge case where a UNICODE character might be split between reads? Do we care?
|
|
* Called after libuv has read a chunk of data. Issue #100
|
|
*/
|
|
static inline void
|
|
libuv_callbacks_on_read_parse_http_request(uv_stream_t *stream, ssize_t number_read, const uv_buf_t *buffer)
|
|
{
|
|
struct sandbox *sandbox = stream->data;
|
|
|
|
/* Parse the chunks libuv has read on our behalf until we've parse to message end */
|
|
if (number_read > 0) {
|
|
if (sandbox_parse_http_request(sandbox, number_read) != 0) return;
|
|
sandbox->request_response_data_length += number_read;
|
|
struct http_request *rh = &sandbox->http_request;
|
|
if (!rh->message_end) return;
|
|
}
|
|
|
|
/* When the entire message has been read, stop the stream and wakeup the sandbox */
|
|
uv_read_stop(stream);
|
|
worker_thread_wakeup_sandbox(sandbox);
|
|
}
|
|
|
|
/**
|
|
* On libuv close, executes this callback to wake the blocked sandbox back up
|
|
* @param stream
|
|
*/
|
|
static inline void
|
|
libuv_callbacks_on_close_wakeup_sakebox(uv_handle_t *stream)
|
|
{
|
|
struct sandbox *sandbox = stream->data;
|
|
worker_thread_wakeup_sandbox(sandbox);
|
|
}
|
|
|
|
/**
|
|
* On libuv shutdown, executes this callback to wake the blocked sandbox back up
|
|
* @param req shutdown request
|
|
* @param status unused in callback
|
|
*/
|
|
static inline void
|
|
libuv_callbacks_on_shutdown_wakeup_sakebox(uv_shutdown_t *req, int status)
|
|
{
|
|
struct sandbox *sandbox = req->data;
|
|
worker_thread_wakeup_sandbox(sandbox);
|
|
}
|
|
|
|
/**
|
|
* On libuv write, executes this callback to wake the blocked sandbox back up
|
|
* In case of error, shutdown the sandbox
|
|
* @param write shutdown request
|
|
* @param status status code
|
|
*/
|
|
static inline void
|
|
libuv_callbacks_on_write_wakeup_sandbox(uv_write_t *write, int status)
|
|
{
|
|
struct sandbox *sandbox = write->data;
|
|
if (status < 0) {
|
|
sandbox->client_libuv_shutdown_request.data = sandbox;
|
|
uv_shutdown(&sandbox->client_libuv_shutdown_request, (uv_stream_t *)&sandbox->client_libuv_stream,
|
|
libuv_callbacks_on_shutdown_wakeup_sakebox);
|
|
return;
|
|
}
|
|
worker_thread_wakeup_sandbox(sandbox);
|
|
}
|
|
|
|
static inline void
|
|
libuv_callbacks_on_allocate_setup_request_response_data(uv_handle_t *h, size_t suggested, uv_buf_t *buf)
|
|
{
|
|
struct sandbox *sandbox = h->data;
|
|
size_t l = (sandbox->module->max_request_or_response_size - sandbox->request_response_data_length);
|
|
buf->base = (sandbox->request_response_data + sandbox->request_response_data_length);
|
|
buf->len = l > suggested ? suggested : l;
|
|
}
|