diff options
Diffstat (limited to 'examples/rust/echo-request/src/lib.rs')
| -rw-r--r-- | examples/rust/echo-request/src/lib.rs | 233 |
1 files changed, 79 insertions, 154 deletions
diff --git a/examples/rust/echo-request/src/lib.rs b/examples/rust/echo-request/src/lib.rs index 4802cff..3fea8d5 100644 --- a/examples/rust/echo-request/src/lib.rs +++ b/examples/rust/echo-request/src/lib.rs @@ -6,30 +6,27 @@ * Copyright (C) F5, Inc. */ -// Include RAW FFI Bindings. -// @todo: Replace this with the new native Rust API -use unit_wasm::ffi::*; +use unit_wasm::rusty::*; use std::ffi::CStr; use std::os::raw::c_char; use std::os::raw::c_void; -use std::ptr; +use std::ptr::null_mut; // Buffer of some size to store the copy of the request -static mut REQUEST_BUF: *mut u8 = ptr::null_mut(); +static mut REQUEST_BUF: *mut u8 = null_mut(); #[no_mangle] -pub extern "C" fn luw_module_end_handler() { +pub extern "C" fn uwr_module_end_handler() { unsafe { - luw_free(REQUEST_BUF as *mut c_void); + uwr_free(REQUEST_BUF); } } #[no_mangle] -pub extern "C" fn luw_module_init_handler() { +pub extern "C" fn uwr_module_init_handler() { unsafe { - REQUEST_BUF = luw_malloc(luw_mem_get_init_size().try_into().unwrap()) - as *mut u8; + REQUEST_BUF = uwr_malloc(uwr_mem_get_init_size()); } } @@ -39,162 +36,90 @@ pub extern "C" fn hdr_iter_func( value: *const c_char, _data: *mut c_void, ) -> bool { - unsafe { - luw_mem_writep( - ctx, - "%s = %s\n\0".as_ptr() as *const c_char, - name, - value, - ); - } + uwr_write_str!(ctx, "{} = {}\n", C2S!(name), C2S!(value)); return true; } #[no_mangle] -pub extern "C" fn luw_request_handler(addr: *mut u8) -> i32 { - // Need a initalization +pub extern "C" fn uwr_request_handler(addr: *mut u8) -> i32 { + // Declare a 0-initialised context structure + let ctx = &mut UWR_CTX_INITIALIZER(); + // Initialise the context structure. + // + // addr is the address of the previously allocated memory shared + // between the module and unit. // - // It sucks that rust needs this, this is supposed to be - // an opaque structure and the structure is 0-initialised - // in luw_init_ctx(); - let mut ctx_: luw_ctx_t = luw_ctx_t { - addr: ptr::null_mut(), - mem: ptr::null_mut(), - req: ptr::null_mut(), - resp: ptr::null_mut(), - resp_hdr: ptr::null_mut(), - resp_offset: 0, - req_buf: ptr::null_mut(), - hdrp: ptr::null_mut(), - reqp: ptr::null_mut(), - }; - let ctx: *mut luw_ctx_t = &mut ctx_; + // The response data will be stored @ addr + offset (of 4096 bytes). + // This will leave some space for the response headers. + uwr_init_ctx(ctx, addr, 4096); + // Set where we will copy the request into unsafe { - // Initialise the context structure. - // - // addr is the address of the previously allocated memory shared - // between the module and unit. - // - // The response data will be stored @ addr + offset (of 4096 bytes). - // This will leave some space for the response headers. - luw_init_ctx(ctx, addr, 4096); - - // Allocate memory to store the request and copy the request data. - luw_set_req_buf(ctx, &mut REQUEST_BUF, luw_srb_flags_t_LUW_SRB_NONE); - - // Define the Response Body Text. - - luw_mem_writep( - ctx, - " * Welcome to WebAssembly in Rust on Unit! \ - [libunit-wasm (%d.%d.%d/%#0.8x)] \ - *\n\n\0" - .as_ptr() as *const c_char, - LUW_VERSION_MAJOR, - LUW_VERSION_MINOR, - LUW_VERSION_PATCH, - LUW_VERSION_NUMBER, - ); - - luw_mem_writep(ctx, "[Request Info]\n\0".as_ptr() as *const c_char); - - luw_mem_writep( - ctx, - "REQUEST_PATH = %s\n\0".as_ptr() as *const c_char, - luw_get_http_path(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "METHOD = %s\n\0".as_ptr() as *const c_char, - luw_get_http_method(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "VERSION = %s\n\0".as_ptr() as *const c_char, - luw_get_http_version(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "QUERY = %s\n\0".as_ptr() as *const c_char, - luw_get_http_query(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "REMOTE = %s\n\0".as_ptr() as *const c_char, - luw_get_http_remote(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "LOCAL_ADDR = %s\n\0".as_ptr() as *const c_char, - luw_get_http_local_addr(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "LOCAL_PORT = %s\n\0".as_ptr() as *const c_char, - luw_get_http_local_port(ctx) as *const c_char, - ); - luw_mem_writep( - ctx, - "SERVER_NAME = %s\n\0".as_ptr() as *const c_char, - luw_get_http_server_name(ctx) as *const c_char, - ); - - luw_mem_writep( - ctx, - "\n[Request Headers]\n\0".as_ptr() as *const c_char, - ); + uwr_set_req_buf(ctx, &mut REQUEST_BUF, LUW_SRB_NONE); + } - luw_http_hdr_iter(ctx, Some(hdr_iter_func), ptr::null_mut()); - - let method = CStr::from_ptr(luw_get_http_method(ctx)).to_str().unwrap(); - if method == "POST" || method == "PUT" { - luw_mem_writep( - ctx, - "\n[%s data]\n\0".as_ptr() as *const c_char, - luw_get_http_method(ctx) as *const c_char, - ); - luw_mem_writep_data( - ctx, - luw_get_http_content(ctx), - luw_get_http_content_len(ctx), - ); - luw_mem_writep(ctx, "\n\0".as_ptr() as *const c_char); - } - - let content_len = format!("{}\0", luw_get_response_data_size(ctx)); - - // Init Response Headers - // - // Needs the context, number of headers about to add as well as - // the offset where to store the headers. In this case we are - // storing the response headers at the beginning of our shared - // memory at offset 0. - - luw_http_init_headers(ctx, 2, 0); - luw_http_add_header( + // Define the Response Body Text. + + 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_write_str!(ctx, "[Request Info]\n"); + + uwr_write_str!(ctx, "REQUEST_PATH = {}\n", uwr_get_http_path(ctx)); + uwr_write_str!(ctx, "METHOD = {}\n", uwr_get_http_method(ctx)); + uwr_write_str!(ctx, "VERSION = {}\n", uwr_get_http_version(ctx)); + uwr_write_str!(ctx, "QUERY = {}\n", uwr_get_http_query(ctx)); + uwr_write_str!(ctx, "REMOTE = {}\n", uwr_get_http_remote(ctx)); + uwr_write_str!(ctx, "LOCAL_ADDR = {}\n", uwr_get_http_local_addr(ctx)); + uwr_write_str!(ctx, "LOCAL_PORT = {}\n", uwr_get_http_local_port(ctx)); + uwr_write_str!(ctx, "SERVER_NAME = {}\n", uwr_get_http_server_name(ctx)); + + uwr_write_str!(ctx, "\n[Request Headers]\n"); + + uwr_http_hdr_iter(ctx, Some(hdr_iter_func), null_mut()); + + let method = uwr_get_http_method(ctx); + if method == "POST" || method == "PUT" { + uwr_write_str!(ctx, "\n[{} data]\n", method); + uwr_mem_write_buf( ctx, - 0, - "Content-Type\0".as_ptr() as *const c_char, - "text/plain\0".as_ptr() as *const c_char, + uwr_get_http_content(ctx), + uwr_get_http_content_len(ctx), ); - luw_http_add_header( - ctx, - 1, - "Content-Length\0".as_ptr() as *const c_char, - content_len.as_ptr() as *const c_char, - ); - - // This calls nxt_wasm_send_headers() in Unit - luw_http_send_headers(ctx); - - // This calls nxt_wasm_send_response() in Unit - luw_http_send_response(ctx); - - // This calls nxt_wasm_response_end() in Unit - luw_http_response_end(); + uwr_write_str!(ctx, "\n"); } + // Init Response Headers + // + // Needs the context, number of headers about to add as well as + // the offset where to store the headers. In this case we are + // storing the response headers at the beginning of our shared + // memory at offset 0. + uwr_http_init_headers(ctx, 2, 0); + uwr_http_add_header(ctx, 0, "Content-Type", "text/plain"); + uwr_http_add_header( + ctx, + 1, + "Content-Length", + &format!("{}", uwr_get_response_data_size(ctx)), + ); + + // This calls nxt_wasm_send_headers() in Unit + uwr_http_send_headers(ctx); + + // This calls nxt_wasm_send_response() in Unit + uwr_http_send_response(ctx); + + // This calls nxt_wasm_response_end() in Unit + uwr_http_response_end(); + return 0; } |