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/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#import <XCTest/XCTest.h>
#include "src/core/lib/iomgr/port.h"
#ifdef GRPC_CFSTREAM
#include <netinet/in.h>
#include <grpc/impl/codegen/sync.h>
#include <grpc/support/sync.h>
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/iomgr/tcp_client.h"
#include "test/core/util/test_config.h"
// static int g_connections_complete = 0;
static gpr_mu g_mu;
static int g_connections_complete = 0;
static grpc_endpoint* g_connecting = nullptr;
static void finish_connection() {
gpr_mu_lock(&g_mu);
g_connections_complete++;
gpr_mu_unlock(&g_mu);
}
static void must_succeed(void* arg, grpc_error* error) {
GPR_ASSERT(g_connecting != nullptr);
GPR_ASSERT(error == GRPC_ERROR_NONE);
grpc_endpoint_shutdown(g_connecting, GRPC_ERROR_CREATE_FROM_STATIC_STRING("must_succeed called"));
grpc_endpoint_destroy(g_connecting);
g_connecting = nullptr;
finish_connection();
}
static void must_fail(void* arg, grpc_error* error) {
GPR_ASSERT(g_connecting == nullptr);
GPR_ASSERT(error != GRPC_ERROR_NONE);
const char* error_str = grpc_error_string(error);
NSLog(@"%s", error_str);
finish_connection();
}
@interface CFStreamClientTests : XCTestCase
@end
@implementation CFStreamClientTests
+ (void)setUp {
grpc_init();
gpr_mu_init(&g_mu);
}
+ (void)tearDown {
grpc_shutdown();
}
- (void)testSucceeds {
grpc_resolved_address resolved_addr;
struct sockaddr_in* addr = reinterpret_cast<struct sockaddr_in*>(resolved_addr.addr);
int svr_fd;
int r;
int connections_complete_before;
grpc_closure done;
grpc_core::ExecCtx exec_ctx;
gpr_log(GPR_DEBUG, "test_succeeds");
memset(&resolved_addr, 0, sizeof(resolved_addr));
resolved_addr.len = sizeof(struct sockaddr_in);
addr->sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr*)addr, (socklen_t)resolved_addr.len));
GPR_ASSERT(0 == listen(svr_fd, 1));
gpr_mu_lock(&g_mu);
connections_complete_before = g_connections_complete;
gpr_mu_unlock(&g_mu);
/* connect to it */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr*)addr, (socklen_t*)&resolved_addr.len) == 0);
GRPC_CLOSURE_INIT(&done, must_succeed, nullptr, grpc_schedule_on_exec_ctx);
grpc_tcp_client_connect(&done, &g_connecting, nullptr, nullptr, &resolved_addr,
GRPC_MILLIS_INF_FUTURE);
/* await the connection */
do {
resolved_addr.len = sizeof(addr);
r = accept(svr_fd, reinterpret_cast<struct sockaddr*>(addr),
reinterpret_cast<socklen_t*>(&resolved_addr.len));
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r >= 0);
close(r);
grpc_core::ExecCtx::Get()->Flush();
/* wait for the connection callback to finish */
gpr_mu_lock(&g_mu);
NSDate* deadline = [NSDate dateWithTimeIntervalSinceNow:5];
while (connections_complete_before == g_connections_complete) {
gpr_mu_unlock(&g_mu);
[[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:deadline];
gpr_mu_lock(&g_mu);
}
XCTAssertGreaterThan(g_connections_complete, connections_complete_before);
gpr_mu_unlock(&g_mu);
}
- (void)testFails {
grpc_core::ExecCtx exec_ctx;
grpc_resolved_address resolved_addr;
struct sockaddr_in* addr = reinterpret_cast<struct sockaddr_in*>(resolved_addr.addr);
int connections_complete_before;
grpc_closure done;
int svr_fd;
gpr_log(GPR_DEBUG, "test_fails");
memset(&resolved_addr, 0, sizeof(resolved_addr));
resolved_addr.len = static_cast<socklen_t>(sizeof(struct sockaddr_in));
addr->sin_family = AF_INET;
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr*)addr, (socklen_t)resolved_addr.len));
GPR_ASSERT(0 == listen(svr_fd, 1));
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr*)addr, (socklen_t*)&resolved_addr.len) == 0);
close(svr_fd);
gpr_mu_lock(&g_mu);
connections_complete_before = g_connections_complete;
gpr_mu_unlock(&g_mu);
/* connect to a broken address */
GRPC_CLOSURE_INIT(&done, must_fail, nullptr, grpc_schedule_on_exec_ctx);
grpc_tcp_client_connect(&done, &g_connecting, nullptr, nullptr, &resolved_addr,
GRPC_MILLIS_INF_FUTURE);
grpc_core::ExecCtx::Get()->Flush();
/* wait for the connection callback to finish */
gpr_mu_lock(&g_mu);
NSDate* deadline = [NSDate dateWithTimeIntervalSinceNow:5];
while (g_connections_complete == connections_complete_before) {
gpr_mu_unlock(&g_mu);
[[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:deadline];
gpr_mu_lock(&g_mu);
}
XCTAssertGreaterThan(g_connections_complete, connections_complete_before);
gpr_mu_unlock(&g_mu);
}
@end
#else // GRPC_CFSTREAM
// Dummy test suite
@interface CFStreamClientTests : XCTestCase
@end
@implementation CFStreamClientTests
- (void)setUp {
[super setUp];
}
- (void)tearDown {
[super tearDown];
}
@end
#endif // GRPC_CFSTREAM
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