diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/rust/Makefile | 10 | ||||
| -rw-r--r-- | examples/rust/hello-world/Cargo.toml | 12 | ||||
| -rw-r--r-- | examples/rust/hello-world/src/lib.rs | 41 |
3 files changed, 60 insertions, 3 deletions
diff --git a/examples/rust/Makefile b/examples/rust/Makefile index b41bc33..3d645fa 100644 --- a/examples/rust/Makefile +++ b/examples/rust/Makefile @@ -2,7 +2,7 @@ include ../../shared.mk SDIR = examples/rust -examples: rust-echo-request rust-upload-reflector +examples: rust-echo-request rust-upload-reflector hello-world rust-echo-request: echo-request/Cargo.toml echo-request/src/lib.rs $(PP_GEN) $(SDIR)/echo-request/target/wasm32-wasi/ @@ -12,6 +12,10 @@ rust-upload-reflector: upload-reflector/Cargo.toml upload-reflector/src/lib.rs $(PP_GEN) $(SDIR)/upload-reflector/target/wasm32-wasi/ $(v)cd upload-reflector; cargo build --target=wasm32-wasi +hello-world: hello-world/Cargo.toml hello-world/src/lib.rs + $(PP_GEN) $(SDIR)/hello-world/target/wasm32-wasi/ + $(v)cd hello-world; cargo build --target=wasm32-wasi + clean: - rm -f echo-request/Cargo.lock upload-reflector/Cargo.lock - rm -rf echo-request/target upload-reflector/target + rm -f */Cargo.lock + rm -rf */target diff --git a/examples/rust/hello-world/Cargo.toml b/examples/rust/hello-world/Cargo.toml new file mode 100644 index 0000000..2ff520e --- /dev/null +++ b/examples/rust/hello-world/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "rust-hello-world" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +unit-wasm = { path = "../../../src/rust", version = "0.1.2" } + +[lib] +crate-type = ["cdylib"] diff --git a/examples/rust/hello-world/src/lib.rs b/examples/rust/hello-world/src/lib.rs new file mode 100644 index 0000000..9be1abd --- /dev/null +++ b/examples/rust/hello-world/src/lib.rs @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: Apache-2.0 */ + +/* + * Copyright (C) Andrew Clayton + * Copyright (C) Timo Stark + * Copyright (C) F5, Inc. + */ + +use unit_wasm::rusty::*; + +static mut REQUEST_BUF: *mut u8 = std::ptr::null_mut(); + +#[no_mangle] +pub extern "C" fn uwr_request_handler(addr: *mut u8) -> i32 { + let ctx = &mut UWR_CTX_INITIALIZER(); + + uwr_init_ctx(ctx, addr, 4096); + uwr_set_req_buf(ctx, unsafe { &mut REQUEST_BUF }, LUW_SRB_ALLOC); + + uwr_write_str!( + ctx, + " * Welcome to WebAssembly in Rust on Unit! \ + [libunit-wasm ({}.{}.{}/{:#010x})] *\n\n", + LUW_VERSION_MAJOR, + LUW_VERSION_MINOR, + LUW_VERSION_PATCH, + LUW_VERSION_NUMBER, + ); + + uwr_http_init_headers(ctx, 2, 0); + uwr_http_add_header_content_type(ctx, "text/plain"); + uwr_http_add_header_content_len(ctx); + uwr_http_send_headers(ctx); + + uwr_http_send_response(ctx); + uwr_http_response_end(); + + uwr_free(unsafe { REQUEST_BUF }); + + return 0; +} |