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@ -34,25 +34,32 @@ |
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#include "src/core/lib/slice/slice_internal.h" |
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#include "src/core/lib/surface/completion_queue.h" |
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#include "src/core/lib/surface/server.h" |
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#include "test/core/end2end/cq_verifier.h" |
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#define MIN_HTTP2_FRAME_SIZE 9 |
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/* Args to provide to thread running server side validator */ |
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typedef struct { |
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grpc_server* server; |
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grpc_completion_queue* cq; |
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grpc_bad_client_server_side_validator validator; |
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void* registered_method; |
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gpr_event done_thd; |
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gpr_event done_write; |
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} thd_args; |
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/* Run the server side validator and set done_thd once done */ |
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static void thd_func(void* arg) { |
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thd_args* a = (thd_args*)arg; |
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a->validator(a->server, a->cq, a->registered_method); |
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if (a->validator != nullptr) { |
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a->validator(a->server, a->cq, a->registered_method); |
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} |
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gpr_event_set(&a->done_thd, (void*)1); |
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} |
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static void done_write(void* arg, grpc_error* error) { |
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thd_args* a = (thd_args*)arg; |
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gpr_event_set(&a->done_write, (void*)1); |
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/* Sets the done_write event */ |
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static void set_done_write(void* arg, grpc_error* error) { |
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gpr_event* done_write = (gpr_event*)arg; |
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gpr_event_set(done_write, (void*)1); |
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} |
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static void server_setup_transport(void* ts, grpc_transport* transport) { |
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@ -62,136 +69,172 @@ static void server_setup_transport(void* ts, grpc_transport* transport) { |
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grpc_server_get_channel_args(a->server)); |
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} |
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static void read_done(void* arg, grpc_error* error) { |
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/* Sets the read_done event */ |
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static void set_read_done(void* arg, grpc_error* error) { |
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gpr_event* read_done = (gpr_event*)arg; |
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gpr_event_set(read_done, (void*)1); |
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} |
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void grpc_run_bad_client_test( |
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grpc_bad_client_server_side_validator server_validator, |
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grpc_bad_client_client_stream_validator client_validator, |
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const char* client_payload, size_t client_payload_length, uint32_t flags) { |
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grpc_endpoint_pair sfd; |
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thd_args a; |
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gpr_thd_id id; |
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char* hex; |
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grpc_transport* transport; |
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grpc_slice slice = |
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grpc_slice_from_copied_buffer(client_payload, client_payload_length); |
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grpc_slice_buffer outgoing; |
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grpc_closure done_write_closure; |
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grpc_core::ExecCtx exec_ctx; |
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grpc_completion_queue* shutdown_cq; |
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/* shutdown client */ |
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static void shutdown_client(grpc_endpoint** client_fd) { |
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if (*client_fd != nullptr) { |
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grpc_endpoint_shutdown( |
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*client_fd, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Forced Disconnect")); |
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grpc_endpoint_destroy(*client_fd); |
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grpc_core::ExecCtx::Get()->Flush(); |
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*client_fd = nullptr; |
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} |
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} |
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if (client_payload_length < 4 * 1024) { |
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hex = gpr_dump(client_payload, client_payload_length, |
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/* Runs client side validator */ |
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void grpc_run_client_side_validator(grpc_bad_client_arg* arg, uint32_t flags, |
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grpc_endpoint_pair* sfd, |
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grpc_completion_queue* client_cq) { |
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char* hex; |
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gpr_event done_write; |
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if (arg->client_payload_length < 4 * 1024) { |
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hex = gpr_dump(arg->client_payload, arg->client_payload_length, |
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GPR_DUMP_HEX | GPR_DUMP_ASCII); |
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/* Add a debug log */ |
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gpr_log(GPR_INFO, "TEST: %s", hex); |
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gpr_free(hex); |
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} else { |
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gpr_log(GPR_INFO, "TEST: (%" PRIdPTR " byte long string)", |
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client_payload_length); |
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arg->client_payload_length); |
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} |
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/* Init grpc */ |
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grpc_init(); |
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/* Create endpoints */ |
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sfd = grpc_iomgr_create_endpoint_pair("fixture", nullptr); |
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/* Create server, completion events */ |
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a.server = grpc_server_create(nullptr, nullptr); |
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a.cq = grpc_completion_queue_create_for_next(nullptr); |
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gpr_event_init(&a.done_thd); |
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gpr_event_init(&a.done_write); |
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a.validator = server_validator; |
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grpc_server_register_completion_queue(a.server, a.cq, nullptr); |
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a.registered_method = |
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grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD, |
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GRPC_BAD_CLIENT_REGISTERED_HOST, |
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GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0); |
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grpc_server_start(a.server); |
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transport = grpc_create_chttp2_transport(nullptr, sfd.server, false); |
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server_setup_transport(&a, transport); |
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grpc_chttp2_transport_start_reading(transport, nullptr, nullptr); |
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/* Bind everything into the same pollset */ |
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grpc_endpoint_add_to_pollset(sfd.client, grpc_cq_pollset(a.cq)); |
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grpc_endpoint_add_to_pollset(sfd.server, grpc_cq_pollset(a.cq)); |
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/* Check a ground truth */ |
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GPR_ASSERT(grpc_server_has_open_connections(a.server)); |
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/* Start validator */ |
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gpr_thd_new(&id, "grpc_bad_client", thd_func, &a, nullptr); |
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grpc_slice slice = grpc_slice_from_copied_buffer(arg->client_payload, |
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arg->client_payload_length); |
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grpc_slice_buffer outgoing; |
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grpc_closure done_write_closure; |
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gpr_event_init(&done_write); |
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grpc_slice_buffer_init(&outgoing); |
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grpc_slice_buffer_add(&outgoing, slice); |
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GRPC_CLOSURE_INIT(&done_write_closure, done_write, &a, |
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GRPC_CLOSURE_INIT(&done_write_closure, set_done_write, &done_write, |
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grpc_schedule_on_exec_ctx); |
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/* Write data */ |
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grpc_endpoint_write(sfd.client, &outgoing, &done_write_closure); |
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grpc_endpoint_write(sfd->client, &outgoing, &done_write_closure); |
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grpc_core::ExecCtx::Get()->Flush(); |
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/* Await completion, unless the request is large and write may not finish
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* before the peer shuts down. */ |
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if (!(flags & GRPC_BAD_CLIENT_LARGE_REQUEST)) { |
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GPR_ASSERT( |
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gpr_event_wait(&a.done_write, grpc_timeout_seconds_to_deadline(5))); |
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gpr_event_wait(&done_write, grpc_timeout_seconds_to_deadline(5))); |
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} |
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if (flags & GRPC_BAD_CLIENT_DISCONNECT) { |
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grpc_endpoint_shutdown( |
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sfd.client, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Forced Disconnect")); |
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grpc_endpoint_destroy(sfd.client); |
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grpc_core::ExecCtx::Get()->Flush(); |
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sfd.client = nullptr; |
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shutdown_client(&sfd->client); |
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} |
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GPR_ASSERT(gpr_event_wait(&a.done_thd, grpc_timeout_seconds_to_deadline(5))); |
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if (sfd.client != nullptr) { |
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// Validate client stream, if requested.
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if (client_validator != nullptr) { |
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if (sfd->client != nullptr) { |
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/* Validate client stream, if requested. */ |
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if (arg->client_validator != nullptr) { |
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gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5); |
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grpc_slice_buffer incoming; |
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grpc_slice_buffer_init(&incoming); |
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// We may need to do multiple reads to read the complete server response.
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/* We may need to do multiple reads to read the complete server
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* response. */ |
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while (true) { |
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gpr_event read_done_event; |
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gpr_event_init(&read_done_event); |
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grpc_closure read_done_closure; |
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GRPC_CLOSURE_INIT(&read_done_closure, read_done, &read_done_event, |
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GRPC_CLOSURE_INIT(&read_done_closure, set_read_done, &read_done_event, |
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grpc_schedule_on_exec_ctx); |
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grpc_endpoint_read(sfd.client, &incoming, &read_done_closure); |
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grpc_endpoint_read(sfd->client, &incoming, &read_done_closure); |
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grpc_core::ExecCtx::Get()->Flush(); |
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do { |
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GPR_ASSERT(gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0); |
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GPR_ASSERT( |
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grpc_completion_queue_next( |
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a.cq, grpc_timeout_milliseconds_to_deadline(100), nullptr) |
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.type == GRPC_QUEUE_TIMEOUT); |
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/* Perform a cq next just to provide a thread that can read incoming
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bytes on the client fd */ |
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GPR_ASSERT(grpc_completion_queue_next( |
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client_cq, grpc_timeout_milliseconds_to_deadline(100), |
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nullptr) |
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.type == GRPC_QUEUE_TIMEOUT); |
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} while (!gpr_event_get(&read_done_event)); |
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if (client_validator(&incoming)) break; |
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if (arg->client_validator(&incoming, arg->client_validator_arg)) break; |
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gpr_log(GPR_INFO, |
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"client validator failed; trying additional read " |
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"in case we didn't get all the data"); |
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} |
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grpc_slice_buffer_destroy_internal(&incoming); |
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} |
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// Shutdown.
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grpc_endpoint_shutdown( |
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sfd.client, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Test Shutdown")); |
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grpc_endpoint_destroy(sfd.client); |
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grpc_core::ExecCtx::Get()->Flush(); |
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} |
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GPR_ASSERT( |
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gpr_event_wait(&a.done_write, grpc_timeout_seconds_to_deadline(1))); |
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/* If the request was too large, then we need to forcefully shut down the
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* client, so that the write can be considered completed */ |
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if (flags & GRPC_BAD_CLIENT_LARGE_REQUEST) { |
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shutdown_client(&sfd->client); |
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} |
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/* Make sure that the client is done writing */ |
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while (!gpr_event_get(&done_write)) { |
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GPR_ASSERT( |
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grpc_completion_queue_next( |
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client_cq, grpc_timeout_milliseconds_to_deadline(100), nullptr) |
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.type == GRPC_QUEUE_TIMEOUT); |
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} |
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grpc_slice_buffer_destroy_internal(&outgoing); |
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grpc_core::ExecCtx::Get()->Flush(); |
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} |
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void grpc_run_bad_client_test( |
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grpc_bad_client_server_side_validator server_validator, |
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grpc_bad_client_arg args[], int num_args, uint32_t flags) { |
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grpc_endpoint_pair sfd; |
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thd_args a; |
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grpc_transport* transport; |
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grpc_core::ExecCtx exec_ctx; |
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grpc_completion_queue* shutdown_cq; |
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grpc_completion_queue* client_cq; |
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/* Init grpc */ |
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grpc_init(); |
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/* Create endpoints */ |
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sfd = grpc_iomgr_create_endpoint_pair("fixture", nullptr); |
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/* Create server, completion events */ |
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a.server = grpc_server_create(nullptr, nullptr); |
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a.cq = grpc_completion_queue_create_for_next(nullptr); |
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client_cq = grpc_completion_queue_create_for_next(nullptr); |
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grpc_server_register_completion_queue(a.server, a.cq, nullptr); |
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a.registered_method = |
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grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD, |
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GRPC_BAD_CLIENT_REGISTERED_HOST, |
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GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0); |
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grpc_server_start(a.server); |
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transport = grpc_create_chttp2_transport(nullptr, sfd.server, false); |
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server_setup_transport(&a, transport); |
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grpc_chttp2_transport_start_reading(transport, nullptr, nullptr); |
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/* Bind fds to pollsets */ |
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grpc_endpoint_add_to_pollset(sfd.client, grpc_cq_pollset(client_cq)); |
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grpc_endpoint_add_to_pollset(sfd.server, grpc_cq_pollset(a.cq)); |
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/* Check a ground truth */ |
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GPR_ASSERT(grpc_server_has_open_connections(a.server)); |
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gpr_thd_id id; |
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gpr_event_init(&a.done_thd); |
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a.validator = server_validator; |
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/* Start validator */ |
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gpr_thd_new(&id, "grpc_bad_client", thd_func, &a, nullptr); |
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for (int i = 0; i < num_args; i++) { |
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grpc_run_client_side_validator(&args[i], i == (num_args - 1) ? flags : 0, |
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&sfd, client_cq); |
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} |
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/* Wait for server thread to finish */ |
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GPR_ASSERT(gpr_event_wait(&a.done_thd, grpc_timeout_seconds_to_deadline(1))); |
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/* Shutdown. */ |
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shutdown_client(&sfd.client); |
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shutdown_cq = grpc_completion_queue_create_for_pluck(nullptr); |
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grpc_server_shutdown_and_notify(a.server, shutdown_cq, nullptr); |
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GPR_ASSERT(grpc_completion_queue_pluck(shutdown_cq, nullptr, |
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@ -201,7 +244,91 @@ void grpc_run_bad_client_test( |
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grpc_completion_queue_destroy(shutdown_cq); |
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grpc_server_destroy(a.server); |
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grpc_completion_queue_destroy(a.cq); |
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grpc_slice_buffer_destroy_internal(&outgoing); |
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grpc_completion_queue_destroy(client_cq); |
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grpc_shutdown(); |
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} |
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bool client_connection_preface_validator(grpc_slice_buffer* incoming, |
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void* arg) { |
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if (incoming->count < 1) { |
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return false; |
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} |
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grpc_slice slice = incoming->slices[0]; |
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/* There should be atleast a settings frame present */ |
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if (GRPC_SLICE_LENGTH(slice) < MIN_HTTP2_FRAME_SIZE) { |
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return false; |
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} |
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const uint8_t* p = GRPC_SLICE_START_PTR(slice); |
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/* Check the frame type (SETTINGS) */ |
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if (*(p + 3) != 4) { |
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return false; |
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} |
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return true; |
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} |
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/* connection preface and settings frame to be sent by the client */ |
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#define CONNECTION_PREFACE_FROM_CLIENT \ |
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"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
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"\x00\x00\x00\x04\x00\x00\x00\x00\x00" |
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grpc_bad_client_arg connection_preface_arg = { |
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client_connection_preface_validator, nullptr, |
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CONNECTION_PREFACE_FROM_CLIENT, sizeof(CONNECTION_PREFACE_FROM_CLIENT) - 1}; |
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bool rst_stream_client_validator(grpc_slice_buffer* incoming, void* arg) { |
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|
// Get last frame from incoming slice buffer.
|
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|
grpc_slice_buffer last_frame_buffer; |
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grpc_slice_buffer_init(&last_frame_buffer); |
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grpc_slice_buffer_trim_end(incoming, 13, &last_frame_buffer); |
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GPR_ASSERT(last_frame_buffer.count == 1); |
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grpc_slice last_frame = last_frame_buffer.slices[0]; |
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const uint8_t* p = GRPC_SLICE_START_PTR(last_frame); |
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|
bool success = |
|
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|
// Length == 4
|
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*p++ != 0 || *p++ != 0 || *p++ != 4 || |
|
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|
|
// Frame type (RST_STREAM)
|
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*p++ != 3 || |
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|
// Flags
|
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*p++ != 0 || |
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|
|
// Stream ID.
|
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*p++ != 0 || *p++ != 0 || *p++ != 0 || *p++ != 1 || |
|
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|
|
// Payload (error code)
|
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|
|
*p++ == 0 || *p++ == 0 || *p++ == 0 || *p == 0 || *p == 11; |
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|
|
if (!success) { |
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|
|
gpr_log(GPR_INFO, "client expected RST_STREAM frame, not found"); |
|
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|
|
} |
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|
|
grpc_slice_buffer_destroy(&last_frame_buffer); |
|
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|
|
return success; |
|
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|
|
} |
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|
static void* tag(intptr_t t) { return (void*)t; } |
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|
|
void server_verifier_request_call(grpc_server* server, |
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|
|
grpc_completion_queue* cq, |
|
|
|
|
void* registered_method) { |
|
|
|
|
grpc_call_error error; |
|
|
|
|
grpc_call* s; |
|
|
|
|
grpc_call_details call_details; |
|
|
|
|
cq_verifier* cqv = cq_verifier_create(cq); |
|
|
|
|
grpc_metadata_array request_metadata_recv; |
|
|
|
|
|
|
|
|
|
grpc_call_details_init(&call_details); |
|
|
|
|
grpc_metadata_array_init(&request_metadata_recv); |
|
|
|
|
|
|
|
|
|
error = grpc_server_request_call(server, &s, &call_details, |
|
|
|
|
&request_metadata_recv, cq, cq, tag(101)); |
|
|
|
|
GPR_ASSERT(GRPC_CALL_OK == error); |
|
|
|
|
CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
|
|
|
|
cq_verify(cqv); |
|
|
|
|
|
|
|
|
|
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.host, "localhost")); |
|
|
|
|
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo/bar")); |
|
|
|
|
|
|
|
|
|
grpc_metadata_array_destroy(&request_metadata_recv); |
|
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|
|
grpc_call_details_destroy(&call_details); |
|
|
|
|
grpc_call_unref(s); |
|
|
|
|
cq_verifier_destroy(cqv); |
|
|
|
|
} |
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Yash Tibrewal
7 years ago
committed by
GitHub