| /* |
| * |
| * Copyright 2016, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #import <XCTest/XCTest.h> |
| #import <netinet/in.h> |
| #import <sys/socket.h> |
| |
| #import <Cronet/Cronet.h> |
| #import <grpc/grpc.h> |
| #import <grpc/grpc_cronet.h> |
| #import <grpc/support/host_port.h> |
| #import "test/core/end2end/cq_verifier.h" |
| #import "test/core/util/port.h" |
| |
| #import <grpc/support/alloc.h> |
| #import <grpc/support/log.h> |
| |
| #import "src/core/lib/channel/channel_args.h" |
| #import "src/core/lib/support/env.h" |
| #import "src/core/lib/support/string.h" |
| #import "src/core/lib/support/tmpfile.h" |
| #import "test/core/end2end/data/ssl_test_data.h" |
| #import "test/core/util/test_config.h" |
| |
| #import <BoringSSL/openssl/ssl.h> |
| |
| static void drain_cq(grpc_completion_queue *cq) { |
| grpc_event ev; |
| do { |
| ev = grpc_completion_queue_next(cq, grpc_timeout_seconds_to_deadline(5), |
| NULL); |
| } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| } |
| |
| @interface CronetUnitTests : XCTestCase |
| |
| @end |
| |
| @implementation CronetUnitTests |
| |
| + (void)setUp { |
| [super setUp]; |
| |
| char *argv[] = {"CoreCronetEnd2EndTests"}; |
| grpc_test_init(1, argv); |
| |
| grpc_init(); |
| |
| [Cronet setHttp2Enabled:YES]; |
| [Cronet setSslKeyLogFileName:@"Documents/key"]; |
| [Cronet enableTestCertVerifierForTesting]; |
| NSURL *url = [[[NSFileManager defaultManager] |
| URLsForDirectory:NSDocumentDirectory |
| inDomains:NSUserDomainMask] lastObject]; |
| NSLog(@"Documents directory: %@", url); |
| [Cronet start]; |
| [Cronet startNetLogToFile:@"Documents/cronet_netlog.json" logBytes:YES]; |
| |
| init_ssl(); |
| } |
| |
| + (void)tearDown { |
| grpc_shutdown(); |
| cleanup_ssl(); |
| |
| [super tearDown]; |
| } |
| |
| void init_ssl(void) { |
| SSL_load_error_strings(); |
| OpenSSL_add_ssl_algorithms(); |
| } |
| |
| void cleanup_ssl(void) { EVP_cleanup(); } |
| |
| int alpn_cb(SSL *ssl, const unsigned char **out, unsigned char *outlen, |
| const unsigned char *in, unsigned int inlen, void *arg) { |
| // Always select "h2" as the ALPN protocol to be used |
| *out = (const unsigned char *)"h2"; |
| *outlen = 2; |
| return SSL_TLSEXT_ERR_OK; |
| } |
| |
| void init_ctx(SSL_CTX *ctx) { |
| // Install server certificate |
| BIO *pem = BIO_new_mem_buf((void *)test_server1_cert, |
| (int)strlen(test_server1_cert)); |
| X509 *cert = PEM_read_bio_X509_AUX(pem, NULL, NULL, ""); |
| SSL_CTX_use_certificate(ctx, cert); |
| X509_free(cert); |
| BIO_free(pem); |
| |
| // Install server private key |
| pem = |
| BIO_new_mem_buf((void *)test_server1_key, (int)strlen(test_server1_key)); |
| EVP_PKEY *key = PEM_read_bio_PrivateKey(pem, NULL, NULL, ""); |
| SSL_CTX_use_PrivateKey(ctx, key); |
| EVP_PKEY_free(key); |
| BIO_free(pem); |
| |
| // Select cipher suite |
| SSL_CTX_set_cipher_list(ctx, "ECDHE-RSA-AES128-GCM-SHA256"); |
| |
| // Select ALPN protocol |
| SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, NULL); |
| } |
| |
| unsigned int parse_h2_length(const char *field) { |
| return ((unsigned int)(unsigned char)(field[0])) * 65536 + |
| ((unsigned int)(unsigned char)(field[1])) * 256 + |
| ((unsigned int)(unsigned char)(field[2])); |
| } |
| |
| - (void)testInternalError { |
| grpc_call *c; |
| grpc_slice request_payload_slice = |
| grpc_slice_from_copied_string("hello world"); |
| grpc_byte_buffer *request_payload = |
| grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5); |
| grpc_metadata meta_c[2] = {{grpc_slice_from_static_string("key1"), |
| grpc_slice_from_static_string("val1"), |
| 0, |
| {{NULL, NULL, NULL, NULL}}}, |
| {grpc_slice_from_static_string("key2"), |
| grpc_slice_from_static_string("val2"), |
| 0, |
| {{NULL, NULL, NULL, NULL}}}}; |
| |
| int port = grpc_pick_unused_port_or_die(); |
| char *addr; |
| gpr_join_host_port(&addr, "127.0.0.1", port); |
| grpc_completion_queue *cq = grpc_completion_queue_create(NULL); |
| stream_engine *cronetEngine = [Cronet getGlobalEngine]; |
| grpc_channel *client = |
| grpc_cronet_secure_channel_create(cronetEngine, addr, NULL, NULL); |
| |
| cq_verifier *cqv = cq_verifier_create(cq); |
| grpc_op ops[6]; |
| grpc_op *op; |
| grpc_metadata_array initial_metadata_recv; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_metadata_array request_metadata_recv; |
| grpc_byte_buffer *response_payload_recv = NULL; |
| grpc_call_details call_details; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| |
| c = grpc_channel_create_call(client, NULL, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/foo"), NULL, |
| deadline, NULL); |
| GPR_ASSERT(c); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| grpc_metadata_array_init(&request_metadata_recv); |
| grpc_call_details_init(&call_details); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 2; |
| op->data.send_initial_metadata.metadata = meta_c; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = request_payload; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &response_payload_recv; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
| op->data.recv_status_on_client.status = &status; |
| op->data.recv_status_on_client.status_details = &details; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = grpc_call_start_batch(c, ops, (size_t)(op - ops), (void *)1, NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| dispatch_async( |
| dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ |
| int sl = socket(AF_INET, SOCK_STREAM, 0); |
| GPR_ASSERT(sl >= 0); |
| |
| // Make and TCP endpoint to accept the connection |
| struct sockaddr_in s_addr; |
| memset(&s_addr, 0, sizeof(s_addr)); |
| s_addr.sin_family = AF_INET; |
| s_addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| s_addr.sin_port = htons(port); |
| GPR_ASSERT(0 == bind(sl, (struct sockaddr *)&s_addr, sizeof(s_addr))); |
| GPR_ASSERT(0 == listen(sl, 5)); |
| int s = accept(sl, NULL, NULL); |
| GPR_ASSERT(s >= 0); |
| |
| // Close the connection after 1 second to trigger Cronet's on_failed() |
| sleep(1); |
| close(s); |
| close(sl); |
| }); |
| |
| CQ_EXPECT_COMPLETION(cqv, (void *)1, 1); |
| cq_verify(cqv); |
| |
| GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE); |
| |
| grpc_slice_unref(details); |
| grpc_metadata_array_destroy(&initial_metadata_recv); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| |
| grpc_call_destroy(c); |
| |
| cq_verifier_destroy(cqv); |
| |
| grpc_byte_buffer_destroy(request_payload); |
| grpc_byte_buffer_destroy(response_payload_recv); |
| |
| grpc_channel_destroy(client); |
| grpc_completion_queue_shutdown(cq); |
| drain_cq(cq); |
| grpc_completion_queue_destroy(cq); |
| } |
| |
| - (void)packetCoalescing:(BOOL)useCoalescing { |
| grpc_arg arg; |
| arg.key = GRPC_ARG_USE_CRONET_PACKET_COALESCING; |
| arg.type = GRPC_ARG_INTEGER; |
| arg.value.integer = useCoalescing ? 1 : 0; |
| grpc_channel_args *args = grpc_channel_args_copy_and_add(NULL, &arg, 1); |
| grpc_call *c; |
| grpc_slice request_payload_slice = |
| grpc_slice_from_copied_string("hello world"); |
| grpc_byte_buffer *request_payload = |
| grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5); |
| grpc_metadata meta_c[2] = {{grpc_slice_from_static_string("key1"), |
| grpc_slice_from_static_string("val1"), |
| 0, |
| {{NULL, NULL, NULL, NULL}}}, |
| {grpc_slice_from_static_string("key2"), |
| grpc_slice_from_static_string("val2"), |
| 0, |
| {{NULL, NULL, NULL, NULL}}}}; |
| |
| int port = grpc_pick_unused_port_or_die(); |
| char *addr; |
| gpr_join_host_port(&addr, "127.0.0.1", port); |
| grpc_completion_queue *cq = grpc_completion_queue_create(NULL); |
| stream_engine *cronetEngine = [Cronet getGlobalEngine]; |
| grpc_channel *client = |
| grpc_cronet_secure_channel_create(cronetEngine, addr, args, NULL); |
| |
| cq_verifier *cqv = cq_verifier_create(cq); |
| grpc_op ops[6]; |
| grpc_op *op; |
| grpc_metadata_array initial_metadata_recv; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_metadata_array request_metadata_recv; |
| grpc_byte_buffer *response_payload_recv = NULL; |
| grpc_call_details call_details; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| |
| c = grpc_channel_create_call(client, NULL, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/foo"), NULL, |
| deadline, NULL); |
| GPR_ASSERT(c); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| grpc_metadata_array_init(&request_metadata_recv); |
| grpc_call_details_init(&call_details); |
| |
| __weak XCTestExpectation *expectation = |
| [self expectationWithDescription:@"Coalescing"]; |
| |
| dispatch_async( |
| dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ |
| int sl = socket(AF_INET, SOCK_STREAM, 0); |
| GPR_ASSERT(sl >= 0); |
| struct sockaddr_in s_addr; |
| memset(&s_addr, 0, sizeof(s_addr)); |
| s_addr.sin_family = AF_INET; |
| s_addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| s_addr.sin_port = htons(port); |
| GPR_ASSERT(0 == bind(sl, (struct sockaddr *)&s_addr, sizeof(s_addr))); |
| GPR_ASSERT(0 == listen(sl, 5)); |
| int s = accept(sl, NULL, NULL); |
| GPR_ASSERT(s >= 0); |
| struct timeval tv; |
| tv.tv_sec = 2; |
| tv.tv_usec = 0; |
| setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); |
| |
| // Make an TLS endpoint to receive Cronet's transmission |
| SSL_CTX *ctx = SSL_CTX_new(TLSv1_2_server_method()); |
| init_ctx(ctx); |
| SSL *ssl = SSL_new(ctx); |
| SSL_set_fd(ssl, s); |
| SSL_accept(ssl); |
| |
| const char magic[] = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"; |
| |
| char buf[4096]; |
| long len; |
| BOOL coalesced = NO; |
| while ((len = SSL_read(ssl, buf, sizeof(buf))) > 0) { |
| gpr_log(GPR_DEBUG, "Read len: %ld", len); |
| |
| // Analyze the HTTP/2 frames in the same TLS PDU to identify if |
| // coalescing is successful |
| unsigned int p = 0; |
| while (p < len) { |
| if (len - p >= 24 && 0 == memcmp(&buf[p], magic, 24)) { |
| p += 24; |
| continue; |
| } |
| |
| if (buf[p + 3] == 0 && // Type is DATA |
| parse_h2_length(&buf[p]) == 0x10 && // Length is correct |
| (buf[p + 4] & 1) != 0 && // EOS bit is set |
| 0 == memcmp("hello world", &buf[p + 14], |
| 11)) { // Message is correct |
| coalesced = YES; |
| break; |
| } |
| p += (parse_h2_length(&buf[p]) + 9); |
| } |
| if (coalesced) { |
| break; |
| } |
| } |
| |
| XCTAssert(coalesced == useCoalescing); |
| SSL_free(ssl); |
| SSL_CTX_free(ctx); |
| close(s); |
| close(sl); |
| [expectation fulfill]; |
| }); |
| |
| // Guarantees that server is listening to the port before client connects. |
| sleep(1); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 2; |
| op->data.send_initial_metadata.metadata = meta_c; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = request_payload; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &response_payload_recv; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
| op->data.recv_status_on_client.status = &status; |
| op->data.recv_status_on_client.status_details = &details; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = grpc_call_start_batch(c, ops, (size_t)(op - ops), (void *)1, NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| CQ_EXPECT_COMPLETION(cqv, (void *)1, 1); |
| cq_verify(cqv); |
| |
| grpc_slice_unref(details); |
| grpc_metadata_array_destroy(&initial_metadata_recv); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| |
| grpc_call_destroy(c); |
| |
| cq_verifier_destroy(cqv); |
| |
| grpc_byte_buffer_destroy(request_payload); |
| grpc_byte_buffer_destroy(response_payload_recv); |
| |
| grpc_channel_destroy(client); |
| grpc_completion_queue_shutdown(cq); |
| drain_cq(cq); |
| grpc_completion_queue_destroy(cq); |
| |
| [self waitForExpectationsWithTimeout:4 handler:nil]; |
| } |
| |
| - (void)testPacketCoalescing { |
| [self packetCoalescing:YES]; |
| [self packetCoalescing:NO]; |
| } |
| |
| @end |