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