static void post_response(struct st_h2o_mruby_http_request_context_t *ctx, int status, const h2o_http1client_header_t *headers_sorted, size_t num_headers) { mrb_state *mrb = ctx->generator->ctx->shared->mrb; int gc_arena = mrb_gc_arena_save(mrb); size_t i; mrb_value resp = mrb_ary_new_capa(mrb, 3); /* set status */ mrb_ary_set(mrb, resp, 0, mrb_fixnum_value(status)); /* set headers */ mrb_value headers_hash = mrb_hash_new_capa(mrb, (int)num_headers); for (i = 0; i < num_headers; ++i) { /* skip the headers, we determine the eos! */ if (h2o_memis(headers_sorted[i].name, headers_sorted[i].name_len, H2O_STRLIT("content-length")) || h2o_memis(headers_sorted[i].name, headers_sorted[i].name_len, H2O_STRLIT("transfer-encoding"))) continue; /* build and set the hash entry */ mrb_value k = mrb_str_new(mrb, headers_sorted[i].name, headers_sorted[i].name_len); mrb_value v = mrb_str_new(mrb, headers_sorted[i].value, headers_sorted[i].value_len); while (i + 1 < num_headers && h2o_memis(headers_sorted[i].name, headers_sorted[i].name_len, headers_sorted[i + 1].name, headers_sorted[i + 1].name_len)) { ++i; v = mrb_str_cat_lit(mrb, v, "\n"); v = mrb_str_cat(mrb, v, headers_sorted[i].value, headers_sorted[i].value_len); } mrb_hash_set(mrb, headers_hash, k, v); } mrb_ary_set(mrb, resp, 1, headers_hash); /* set input stream */ assert(mrb_nil_p(ctx->refs.input_stream)); ctx->refs.input_stream = h2o_mruby_create_data_instance( mrb, mrb_ary_entry(ctx->generator->ctx->shared->constants, H2O_MRUBY_HTTP_INPUT_STREAM_CLASS), ctx, &input_stream_type); mrb_ary_set(mrb, resp, 2, ctx->refs.input_stream); if (mrb_nil_p(ctx->receiver)) { /* is async */ mrb_funcall(mrb, ctx->refs.request, "_set_response", 1, resp); if (mrb->exc != NULL) { fprintf(stderr, "_set_response failed\n"); abort(); } } else { /* send response to the waiting receiver */ h2o_mruby_run_fiber(ctx->generator, detach_receiver(ctx), resp, NULL); } mrb_gc_arena_restore(mrb, gc_arena); }
static mrb_value http_request_method(mrb_state *mrb, mrb_value self) { h2o_mruby_generator_t *generator; struct st_h2o_mruby_http_request_context_t *ctx; const char *arg_url; mrb_int arg_url_len; mrb_value arg_hash; h2o_iovec_t method; h2o_url_t url; /* parse args */ arg_hash = mrb_nil_value(); mrb_get_args(mrb, "s|H", &arg_url, &arg_url_len, &arg_hash); /* precond check */ if ((generator = h2o_mruby_current_generator) == NULL || generator->req == NULL) mrb_exc_raise(mrb, create_downstream_closed_exception(mrb)); /* allocate context and initialize */ ctx = h2o_mem_alloc_shared(&generator->req->pool, sizeof(*ctx), on_dispose); memset(ctx, 0, sizeof(*ctx)); ctx->generator = generator; ctx->receiver = mrb_nil_value(); h2o_buffer_init(&ctx->req.buf, &h2o_socket_buffer_prototype); h2o_buffer_init(&ctx->resp.after_closed, &h2o_socket_buffer_prototype); ctx->refs.request = mrb_nil_value(); ctx->refs.input_stream = mrb_nil_value(); /* uri */ if (h2o_url_parse(arg_url, arg_url_len, &url) != 0) mrb_raise(mrb, E_ARGUMENT_ERROR, "invaild URL"); /* method */ method = h2o_iovec_init(H2O_STRLIT("GET")); if (mrb_hash_p(arg_hash)) { mrb_value t = mrb_hash_get(mrb, arg_hash, mrb_symbol_value(generator->ctx->symbols.sym_method)); if (!mrb_nil_p(t)) { t = mrb_str_to_str(mrb, t); method = h2o_iovec_init(RSTRING_PTR(t), RSTRING_LEN(t)); } } /* start building the request */ h2o_buffer_reserve(&ctx->req.buf, method.len + 1); append_to_buffer(&ctx->req.buf, method.base, method.len); append_to_buffer(&ctx->req.buf, H2O_STRLIT(" ")); h2o_buffer_reserve(&ctx->req.buf, url.path.len + url.authority.len + sizeof(" HTTP/1.1\r\nConnection: close\r\nHost: \r\n") - 1); append_to_buffer(&ctx->req.buf, url.path.base, url.path.len); append_to_buffer(&ctx->req.buf, H2O_STRLIT(" HTTP/1.1\r\nConnection: close\r\nHost: ")); append_to_buffer(&ctx->req.buf, url.authority.base, url.authority.len); append_to_buffer(&ctx->req.buf, H2O_STRLIT("\r\n")); /* headers */ if (mrb_hash_p(arg_hash)) { mrb_value headers = mrb_hash_get(mrb, arg_hash, mrb_symbol_value(generator->ctx->symbols.sym_headers)); if (!mrb_nil_p(headers)) { if (h2o_mruby_iterate_headers(generator->ctx, headers, flatten_request_header, ctx) != 0) { mrb_value exc = mrb_obj_value(mrb->exc); mrb->exc = NULL; mrb_exc_raise(mrb, exc); } } } /* body */ if (mrb_hash_p(arg_hash)) { mrb_value body = mrb_hash_get(mrb, arg_hash, mrb_symbol_value(generator->ctx->symbols.sym_body)); if (!mrb_nil_p(body)) { if (mrb_obj_eq(mrb, body, generator->rack_input)) { /* fast path */ mrb_int pos; mrb_input_stream_get_data(mrb, body, NULL, NULL, &pos, NULL, NULL); ctx->req.body = generator->req->entity; ctx->req.body.base += pos; ctx->req.body.len -= pos; } else { if (!mrb_string_p(body)) { body = mrb_funcall(mrb, body, "read", 0); if (!mrb_string_p(body)) mrb_raise(mrb, E_ARGUMENT_ERROR, "body.read did not return string"); } ctx->req.body = h2o_strdup(&ctx->generator->req->pool, RSTRING_PTR(body), RSTRING_LEN(body)); } if (!ctx->req.has_transfer_encoding) { char buf[64]; size_t l = (size_t)sprintf(buf, "content-length: %zu\r\n", ctx->req.body.len); h2o_buffer_reserve(&ctx->req.buf, l); append_to_buffer(&ctx->req.buf, buf, l); } } } h2o_buffer_reserve(&ctx->req.buf, 2); append_to_buffer(&ctx->req.buf, H2O_STRLIT("\r\n")); /* build request and connect */ h2o_http1client_connect(&ctx->client, ctx, &generator->req->conn->ctx->proxy.client_ctx, url.host, h2o_url_get_port(&url), on_connect); ctx->refs.request = h2o_mruby_create_data_instance(mrb, mrb_ary_entry(generator->ctx->constants, H2O_MRUBY_HTTP_REQUEST_CLASS), ctx, &request_type); return ctx->refs.request; }