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Address comments, add a simple test.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package wasi_http | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| "testing" | ||
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| "github.com/stealthrocket/wasi-go" | ||
| "github.com/stealthrocket/wasi-go/imports" | ||
| "github.com/tetratelabs/wazero" | ||
| "github.com/tetratelabs/wazero/sys" | ||
| ) | ||
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| type handler struct { | ||
| urls []string | ||
| } | ||
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| func (h *handler) ServeHTTP(res http.ResponseWriter, req *http.Request) { | ||
| res.WriteHeader(200) | ||
| res.Write([]byte("Response")) | ||
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| h.urls = append(h.urls, req.URL.String()) | ||
| } | ||
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| func TestHttp(t *testing.T) { | ||
| filePaths, _ := filepath.Glob("../../testdata/c/http/*.wasm") | ||
| for _, file := range filePaths { | ||
| fmt.Printf("%v\n", file) | ||
| } | ||
| if len(filePaths) == 0 { | ||
| t.Log("nothing to test") | ||
| } | ||
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| h := handler{} | ||
| s := &http.Server{ | ||
| Addr: "127.0.0.1:8080", | ||
| Handler: &h, | ||
| } | ||
| go s.ListenAndServe() | ||
| defer s.Shutdown(context.TODO()) | ||
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| expectedPaths := [][]string{ | ||
| []string{"/get?some=arg&goes=here"}, | ||
| } | ||
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| for testIx, test := range filePaths { | ||
| name := test | ||
| for strings.HasPrefix(name, "../") { | ||
| name = name[3:] | ||
| } | ||
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| t.Run(name, func(t *testing.T) { | ||
| bytecode, err := os.ReadFile(test) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| ctx := context.Background() | ||
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| runtime := wazero.NewRuntime(ctx) | ||
| defer runtime.Close(ctx) | ||
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| builder := imports.NewBuilder(). | ||
| WithName("http"). | ||
| WithArgs() | ||
| var system wasi.System | ||
| ctx, system, err = builder.Instantiate(ctx, runtime) | ||
| if err != nil { | ||
| t.Error("Failed to build WASI module: ", err) | ||
| } | ||
| defer system.Close(ctx) | ||
|
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| Instantiate(ctx, runtime) | ||
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| instance, err := runtime.Instantiate(ctx, bytecode) | ||
| if err != nil { | ||
| switch e := err.(type) { | ||
| case *sys.ExitError: | ||
| if exitCode := e.ExitCode(); exitCode != 0 { | ||
| t.Error("exit code:", exitCode) | ||
| } | ||
| default: | ||
| t.Error("instantiating wasm module instance:", err) | ||
| } | ||
| } | ||
| if instance != nil { | ||
| if err := instance.Close(ctx); err != nil { | ||
| t.Error("closing wasm module instance:", err) | ||
| } | ||
| } | ||
| ok := true | ||
| if len(h.urls) != len(expectedPaths[testIx]) { | ||
| ok = false | ||
| } else { | ||
| for ix := range h.urls { | ||
| if h.urls[ix] != expectedPaths[testIx][ix] { | ||
| ok = false | ||
| break | ||
| } | ||
| } | ||
| } | ||
| if !ok { | ||
| t.Errorf("Unexpected paths: %v vs %v", h.urls, expectedPaths[testIx]) | ||
| } | ||
| h.urls = []string{} | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| # HTTP WASI tests | ||
| The proxy* files are created using the [`wit-bindgen`](https://github.com/bytecodealliance/wit-bindgen) tool. | ||
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| See [here](https://github.com/dev-wasm/dev-wasm-c/blob/main/http/Makefile#L9) for details about how to regenerate. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| #include "proxy.h" | ||
| #include <stdio.h> | ||
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| void http_handle(uint32_t arg, uint32_t arg0) { | ||
|
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| } | ||
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| int request(uint8_t method_tag, uint8_t scheme_tag, const char * authority_str, const char* path_str, const char* query_str, const char* body) { | ||
| types_tuple2_string_string_t content_type[] = {{ | ||
| .f0 = { .ptr = "User-agent", .len = 10 }, | ||
| .f1 = { .ptr = "WASI-HTTP/0.0.1", .len = 15}, | ||
| }, | ||
| { | ||
| .f0 = { .ptr = "Content-type", .len = 12 }, | ||
| .f1 = { .ptr = "application/json", .len = 16}, | ||
| }}; | ||
| types_list_tuple2_string_string_t headers_list = { | ||
| .ptr = &content_type[0], | ||
| .len = 2, | ||
| }; | ||
| types_fields_t headers = types_new_fields(&headers_list); | ||
| types_method_t method = { .tag = method_tag }; | ||
| types_scheme_t scheme = { .tag = scheme_tag }; | ||
| proxy_string_t path, authority, query; | ||
| proxy_string_set(&path, path_str); | ||
| proxy_string_set(&authority, authority_str); | ||
| proxy_string_set(&query, query_str); | ||
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| default_outgoing_http_outgoing_request_t req = types_new_outgoing_request(&method, &path, &query, &scheme, &authority, headers); | ||
| default_outgoing_http_future_incoming_response_t res; | ||
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| if (req == 0) { | ||
| printf("Error creating request\n"); | ||
| return 4; | ||
| } | ||
| if (body != NULL) { | ||
| types_outgoing_stream_t ret; | ||
| if (!types_outgoing_request_write(req, &ret)) { | ||
| printf("Error getting output stream\n"); | ||
| return 7; | ||
| } | ||
| streams_list_u8_t buf = { | ||
| .ptr = (uint8_t *) body, | ||
| .len = strlen(body), | ||
| }; | ||
| uint64_t ret_val; | ||
| streams_write(ret, &buf, &ret_val, NULL); | ||
| } | ||
|
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| res = default_outgoing_http_handle(req, NULL); | ||
| if (res == 0) { | ||
| printf("Error sending request\n"); | ||
| return 5; | ||
| } | ||
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| types_result_incoming_response_error_t result; | ||
| if (!types_future_incoming_response_get(res, &result)) { | ||
| printf("failed to get value for incoming request\n"); | ||
| return 1; | ||
| } | ||
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| if (result.is_err) { | ||
| printf("response is error!\n"); | ||
| return 2; | ||
| } | ||
| // poll_drop_pollable(res); | ||
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| types_status_code_t code = types_incoming_response_status(result.val.ok); | ||
| printf("STATUS: %d\n", code); | ||
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| types_headers_t header_handle = types_incoming_response_headers(result.val.ok); | ||
| types_list_tuple2_string_string_t header_list; | ||
| types_fields_entries(header_handle, &header_list); | ||
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| for (int i = 0; i < header_list.len; i++) { | ||
| char name[128]; | ||
| char value[128]; | ||
| strncpy(name, header_list.ptr[i].f0.ptr, header_list.ptr[i].f0.len); | ||
| name[header_list.ptr[i].f0.len] = 0; | ||
| strncpy(value, header_list.ptr[i].f1.ptr, header_list.ptr[i].f1.len); | ||
| value[header_list.ptr[i].f1.len] = 0; | ||
| printf("%s: %s\n", name, value); | ||
| } | ||
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| types_incoming_stream_t stream; | ||
| if (!types_incoming_response_consume(result.val.ok, &stream)) { | ||
| printf("stream is error!\n"); | ||
| return 3; | ||
| } | ||
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| printf("Stream is %d\n", stream); | ||
|
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| int32_t len = 64 * 1024; | ||
| streams_tuple2_list_u8_bool_t body_res; | ||
| streams_stream_error_t err; | ||
| if (!streams_read(stream, len, &body_res, &err)) { | ||
| printf("BODY read is error!\n"); | ||
| return 6; | ||
| } | ||
| printf("data from read: %s\n", body_res.f0.ptr); | ||
| streams_tuple2_list_u8_bool_free(&body_res); | ||
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| types_drop_outgoing_request(req); | ||
| streams_drop_input_stream(stream); | ||
| types_drop_incoming_response(result.val.ok); | ||
|
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| return 0; | ||
| } | ||
|
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| int main() { | ||
| request(TYPES_METHOD_GET, TYPES_SCHEME_HTTP, "localhost:8080", "/get", "?some=arg&goes=here", NULL); | ||
| // request(TYPES_METHOD_POST, TYPES_SCHEME_HTTPS, "postman-echo.com", "/post", "", "{\"foo\": \"bar\"}"); | ||
| // request(TYPES_METHOD_PUT, TYPES_SCHEME_HTTP, "postman-echo.com", "/put", "", NULL); | ||
| return 0; | ||
| } |
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