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165 lines
6.2 KiB
165 lines
6.2 KiB
#ifndef SFRT_TYPES_H
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#define SFRT_TYPES_H
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <math.h>
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#include <printf.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/uio.h>
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#define EXPORT __attribute__((visibility("default")))
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#define IMPORT __attribute__((visibility("default")))
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#define INLINE __attribute__((always_inline))
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#define WEAK __attribute__((weak))
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#ifndef CACHELINE_SIZE
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#define CACHELINE_SIZE 32
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#endif
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#ifndef PAGE_SIZE
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#define PAGE_SIZE (1 << 12)
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#endif
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#define CACHE_ALIGNED __attribute__((aligned(CACHELINE_SIZE)))
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#define PAGE_ALIGNED __attribute__((aligned(PAGE_SIZE)))
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/* For this family of macros, do NOT pass zero as the pow2 */
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#define round_to_pow2(x, pow2) (((unsigned long)(x)) & (~((pow2)-1)))
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#define round_up_to_pow2(x, pow2) (round_to_pow2(((unsigned long)x) + (pow2)-1, (pow2)))
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#define round_to_page(x) round_to_pow2(x, PAGE_SIZE)
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#define round_up_to_page(x) round_up_to_pow2(x, PAGE_SIZE)
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// Type alias's so I don't have to write uint32_t a million times
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typedef signed char i8;
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typedef unsigned char u8;
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typedef int16_t i16;
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typedef uint16_t u16;
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typedef int32_t i32;
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typedef uint32_t u32;
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typedef int64_t i64;
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typedef uint64_t u64;
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// FIXME: per-module configuration?
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#define WASM_PAGE_SIZE (1024 * 64) // 64KB
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#define WASM_START_PAGES (1 << 8) // 16MB
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#define WASM_MAX_PAGES (1 << 15) // 4GB
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#define WASM_STACK_SIZE (1 << 19) // 512KB.
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#define SBOX_MAX_MEM (1L << 32) // 4GB
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// These are per module symbols and I'd need to dlsym for each module. instead just use global constants, see above
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// macros. The code generator compiles in the starting number of wasm pages, and the maximum number of pages If we try
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// and allocate more than max_pages, we should fault
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// extern u32 starting_pages;
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// extern u32 max_pages;
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// The code generator also compiles in stubs that populate the linear memory and function table
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void populate_memory(void);
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void populate_table(void);
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// memory/* also provides the table access functions
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#define INDIRECT_TABLE_SIZE (1 << 10)
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struct indirect_table_entry {
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u32 type_id;
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void *func_pointer;
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};
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extern __thread struct indirect_table_entry *module_indirect_table;
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// for sandbox linear memory isolation
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extern __thread void *sandbox_lmbase;
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extern __thread u32 sandbox_lmbound;
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extern i32 runtime__log_file_descriptor; // TODO: LOG_TO_FILE logic is untested
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// functions in the module to lookup and call per sandbox.
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typedef i32 (*mod_main_fn_t)(i32 a, i32 b);
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typedef void (*mod_glb_fn_t)(void);
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typedef void (*mod_mem_fn_t)(void);
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typedef void (*mod_tbl_fn_t)(void);
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typedef void (*mod_libc_fn_t)(i32, i32);
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typedef enum
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{
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MOD_ARG_MODPATH = 0,
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MOD_ARG_MODPORT,
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MOD_ARG_MODNAME,
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MOD_ARG_MODNARGS,
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MOD_ARG_MAX,
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} mod_argindex_t;
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/**
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* debuglog is a macro that behaves based on the macros DEBUG and LOG_TO_FILE
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* If DEBUG is not set, debuglog does nothing
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* If DEBUG is set and LOG_TO_FILE is set, debuglog prints to the logfile defined in runtime__log_file_descriptor
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* If DEBUG is set adn LOG_TO_FILE is not set, debuglog prints to STDOUT
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**/
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#ifdef DEBUG
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#ifdef LOG_TO_FILE
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#define debuglog(fmt, ...) \
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dprintf(runtime__log_file_descriptor, "(%d,%lu) %s: " fmt, sched_getcpu(), pthread_self(), __func__, \
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##__VA_ARGS__)
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#else // !LOG_TO_FILE
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#define debuglog(fmt, ...) printf("(%d,%lu) %s: " fmt, sched_getcpu(), pthread_self(), __func__, ##__VA_ARGS__)
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#endif // LOG_TO_FILE
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#else // !DEBUG
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#define debuglog(fmt, ...)
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#endif // DEBUG
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#define HTTP__MAX_HEADER_COUNT 16
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#define HTTP__MAX_HEADER_LENGTH 32
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#define HTTP__MAX_HEADER_VALUE_LENGTH 64
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#define HTTP__RESPONSE_200_OK "HTTP/1.1 200 OK\r\n"
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#define HTTP__RESPONSE_CONTENT_LENGTH "Content-length: \r\n\r\n" // content body follows this
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#define HTTP__RESPONSE_CONTENT_TYPE "Content-type: \r\n"
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#define HTTP__RESPONSE_CONTENT_TYPE_PLAIN "text/plain"
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#define JSON__MAX_ELEMENT_COUNT 16 // Max number of elements defined in JSON
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#define JSON__MAX_ELEMENT_SIZE 1024 // Max size of a single module in JSON
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#define LISTENER_THREAD__CORE_ID 0 // Dedicated Listener Core
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#define LISTENER_THREAD__MAX_EPOLL_EVENTS 1024
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#define MODULE__DEFAULT_REQUEST_RESPONSE_SIZE (PAGE_SIZE)
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#define MODULE__INITIALIZE_GLOBALS "populate_globals" // From Silverfish
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#define MODULE__INITIALIZE_MEMORY "populate_memory" // From Silverfish
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#define MODULE__INITIALIZE_TABLE "populate_table" // From Silverfish
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#define MODULE__INITIALIZE_LIBC "wasmf___init_libc" // From Silverfish
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#define MODULE__MAIN "wasmf_main" // From Silverfish
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#define MODULE__MAX_ARGUMENT_COUNT 16 // Max number of arguments
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#define MODULE__MAX_ARGUMENT_SIZE 64 // Max size of a single argument
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#define MODULE__MAX_MODULE_COUNT 128 // Max number of modules
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#define MODULE__MAX_NAME_LENGTH 32 // Max module name length
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#define MODULE__MAX_PATH_LENGTH 256 // Max length of path string
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#define MODULE__MAX_PENDING_CLIENT_REQUESTS 1000
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#define RUNTIME__LOG_FILE "awesome.log"
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#define RUNTIME__READ_WRITE_VECTOR_LENGTH 16
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#define RUNTIME__MAX_SANDBOX_REQUEST_COUNT (1 << 19) // random!
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#define SANDBOX__FILE_DESCRIPTOR_PREOPEN_MAGIC (707707707) // reads lol lol lol upside down
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#define SANDBOX__MAX_IO_HANDLE_COUNT 32
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#define SANDBOX__PULL_BATCH_SIZE 1 // Max # standboxes pulled onto the local runqueue in a single batch
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#define SOFTWARE_INTERRUPT__TIME_TO_START_IN_USEC (10 * 1000) // start timers 10 ms from now.
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#define SOFTWARE_INTERRUPT__INTERVAL_DURATION_IN_USEC (1000 * 5) // and execute every 5ms
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// If multicore, use all but the dedicated listener core
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// If there are fewer cores than this, main dynamically overrides this and uses all available
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#define WORKER_THREAD__CORE_COUNT (NCORES > 1 ? NCORES - 1 : NCORES)
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#endif /* SFRT_TYPES_H */
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