f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/*
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* Copyright (C) 2021-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#pragma once
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#include <span>
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#include "types/types.hh"
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#include <seastar/core/future.hh>
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#include "db/functions/function_name.hh"
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#include "rust/wasmtime_bindings.hh"
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#include "lang/wasm_instance_cache.hh"
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#include "lang/wasm_alien_thread_runner.hh"
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namespace wasm {
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class instance_cache;
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struct exception : public std::exception {
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std::string _msg;
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public:
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explicit exception(std::string_view msg) : _msg(msg) {}
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const char* what() const noexcept {
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return _msg.c_str();
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}
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};
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struct instance_corrupting_exception : public exception {
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explicit instance_corrupting_exception(std::string_view msg) : exception(msg) {}
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};
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struct context {
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wasmtime::Engine& engine_ptr;
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std::optional<rust::Box<wasmtime::Module>> module;
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std::string function_name;
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instance_cache& cache;
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uint64_t yield_fuel;
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uint64_t total_fuel;
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context(wasmtime::Engine& engine_ptr, std::string name, instance_cache& cache, uint64_t yield_fuel, uint64_t total_fuel);
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};
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seastar::future<> precompile(alien_thread_runner& alien_runner, context& ctx, const std::vector<sstring>& arg_names, std::string script);
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seastar::future<bytes_opt> run_script(const db::functions::function_name& name, context& ctx, const std::vector<data_type>& arg_types, std::span<const bytes_opt> params, data_type return_type, bool allow_null_input);
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}
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