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55 lines
2.1 KiB
55 lines
2.1 KiB
#pragma once
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#include <stdbool.h>
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#include "debuglog.h"
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#include "deque.h"
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#include "module.h"
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#include "runtime.h"
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struct sandbox_request {
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struct module * module;
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char * arguments;
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int socket_descriptor;
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struct sockaddr *socket_address;
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uint64_t request_arrival_timestamp; /* cycles */
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uint64_t absolute_deadline; /* cycles */
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/*
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* Unitless estimate of the instantaneous fraction of system capacity required to run the request
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* Calculated by estimated execution time (cycles) / relative deadline (cycles)
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*/
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double admissions_estimate;
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};
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DEQUE_PROTOTYPE(sandbox, struct sandbox_request *);
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/**
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* Allocates a new Sandbox Request and places it on the Global Deque
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* @param module the module we want to request
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* @param arguments the arguments that we'll pass to the serverless function
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* @param socket_descriptor
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* @param socket_address
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* @param request_arrival_timestamp the timestamp of when we receives the request from the network (in cycles)
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* @return the new sandbox request
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*/
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static inline struct sandbox_request *
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sandbox_request_allocate(struct module *module, char *arguments, int socket_descriptor,
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const struct sockaddr *socket_address, uint64_t request_arrival_timestamp,
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double admissions_estimate)
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{
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struct sandbox_request *sandbox_request = (struct sandbox_request *)malloc(sizeof(struct sandbox_request));
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assert(sandbox_request);
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sandbox_request->module = module;
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sandbox_request->arguments = arguments;
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sandbox_request->socket_descriptor = socket_descriptor;
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sandbox_request->socket_address = (struct sockaddr *)socket_address;
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sandbox_request->request_arrival_timestamp = request_arrival_timestamp;
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sandbox_request->absolute_deadline = request_arrival_timestamp + module->relative_deadline;
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sandbox_request->admissions_estimate = admissions_estimate;
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debuglog("Allocating %lu of %s:%d\n", sandbox_request->request_arrival_timestamp, sandbox_request->module->name,
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sandbox_request->module->port);
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return sandbox_request;
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}
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