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.
68 lines
2.9 KiB
68 lines
2.9 KiB
#pragma once
|
|
|
|
#include <assert.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "arch/context.h"
|
|
#include "current_sandbox.h"
|
|
#include "ps_list.h"
|
|
#include "sandbox_request.h"
|
|
#include "sandbox_types.h"
|
|
|
|
/**
|
|
* Transitions a sandbox to the SANDBOX_INITIALIZED state.
|
|
* The sandbox was already zeroed out during allocation
|
|
* @param sandbox an uninitialized sandbox
|
|
* @param sandbox_request the request we are initializing the sandbox from
|
|
* @param allocation_timestamp timestamp of allocation
|
|
*/
|
|
static inline void
|
|
sandbox_set_as_initialized(struct sandbox *sandbox, struct sandbox_request *sandbox_request,
|
|
uint64_t allocation_timestamp)
|
|
{
|
|
assert(sandbox != NULL);
|
|
assert(sandbox->state == SANDBOX_ALLOCATED);
|
|
assert(sandbox_request != NULL);
|
|
assert(allocation_timestamp > 0);
|
|
|
|
sandbox->id = sandbox_request->id;
|
|
sandbox->admissions_estimate = sandbox_request->admissions_estimate;
|
|
|
|
sandbox->request_arrival_timestamp = sandbox_request->request_arrival_timestamp;
|
|
sandbox->enqueue_timestamp = sandbox_request->enqueue_timestamp;
|
|
sandbox->allocation_timestamp = allocation_timestamp;
|
|
sandbox->state = SANDBOX_SET_AS_INITIALIZED;
|
|
|
|
sandbox->request_from_outside = sandbox_request->request_from_outside;
|
|
sandbox->previous_function_output = sandbox_request->previous_function_output;
|
|
sandbox->output_length = sandbox_request->output_length;
|
|
sandbox->previous_request_length = sandbox_request->previous_request_length;
|
|
/* Initialize the sandbox's context, stack, and instruction pointer */
|
|
/* stack_start points to the bottom of the usable stack, so add stack_size to get to top */
|
|
arch_context_init(&sandbox->ctxt, (reg_t)current_sandbox_start,
|
|
(reg_t)sandbox->stack_start + sandbox->stack_size);
|
|
|
|
/* Mark sandbox fds as invalid by setting to -1 */
|
|
for (int i = 0; i < SANDBOX_MAX_FD_COUNT; i++) sandbox->file_descriptors[i] = -1;
|
|
|
|
/* Initialize Parsec control structures */
|
|
ps_list_init_d(sandbox);
|
|
|
|
/* Copy the socket descriptor, address, and arguments of the client invocation */
|
|
sandbox->absolute_deadline = sandbox_request->absolute_deadline;
|
|
sandbox->remaining_slack = sandbox_request->remaining_slack;
|
|
sandbox->laxity = sandbox_request->laxity;
|
|
sandbox->last_update_timestamp = sandbox_request->last_update_timestamp;
|
|
sandbox->arguments = (void *)sandbox_request->arguments;
|
|
sandbox->client_socket_descriptor = sandbox_request->socket_descriptor;
|
|
memcpy(&sandbox->client_address, &sandbox_request->socket_address, sizeof(struct sockaddr));
|
|
|
|
sandbox->last_state_change_timestamp = allocation_timestamp; /* We use arg to include alloc */
|
|
sandbox->state = SANDBOX_INITIALIZED;
|
|
|
|
/* State Change Bookkeeping */
|
|
sandbox_state_log_transition(sandbox->id, SANDBOX_UNINITIALIZED, SANDBOX_INITIALIZED);
|
|
runtime_sandbox_total_increment(SANDBOX_INITIALIZED);
|
|
}
|