test/core/client_channel/parse_address_test.c

/*
 *
 * Copyright 2017 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.
 *
 */

#include "src/core/ext/filters/client_channel/parse_address.h"
#include "src/core/lib/iomgr/sockaddr.h"

#include <string.h>
#ifdef GRPC_HAVE_UNIX_SOCKET
#include <sys/un.h>
#endif

#include <grpc/support/log.h>

#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/iomgr/socket_utils.h"
#include "test/core/util/test_config.h"

#ifdef GRPC_HAVE_UNIX_SOCKET

static void test_grpc_parse_unix(const char *uri_text, const char *pathname) {
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_uri *uri = grpc_uri_parse(&exec_ctx, uri_text, 0);
  grpc_resolved_address addr;

  GPR_ASSERT(1 == grpc_parse_unix(uri, &addr));
  struct sockaddr_un *addr_un = (struct sockaddr_un *)addr.addr;
  GPR_ASSERT(AF_UNIX == addr_un->sun_family);
  GPR_ASSERT(0 == strcmp(addr_un->sun_path, pathname));

  grpc_uri_destroy(uri);
  grpc_exec_ctx_finish(&exec_ctx);
}

#else /* GRPC_HAVE_UNIX_SOCKET */

static void test_grpc_parse_unix(const char *uri_text, const char *pathname) {}

#endif /* GRPC_HAVE_UNIX_SOCKET */

static void test_grpc_parse_ipv4(const char *uri_text, const char *host,
                                 unsigned short port) {
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_uri *uri = grpc_uri_parse(&exec_ctx, uri_text, 0);
  grpc_resolved_address addr;
  char ntop_buf[INET_ADDRSTRLEN];

  GPR_ASSERT(1 == grpc_parse_ipv4(uri, &addr));
  struct sockaddr_in *addr_in = (struct sockaddr_in *)addr.addr;
  GPR_ASSERT(AF_INET == addr_in->sin_family);
  GPR_ASSERT(NULL != grpc_inet_ntop(AF_INET, &addr_in->sin_addr, ntop_buf,
                                    sizeof(ntop_buf)));
  GPR_ASSERT(0 == strcmp(ntop_buf, host));
  GPR_ASSERT(ntohs(addr_in->sin_port) == port);

  grpc_uri_destroy(uri);
  grpc_exec_ctx_finish(&exec_ctx);
}

static void test_grpc_parse_ipv6(const char *uri_text, const char *host,
                                 unsigned short port, uint32_t scope_id) {
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_uri *uri = grpc_uri_parse(&exec_ctx, uri_text, 0);
  grpc_resolved_address addr;
  char ntop_buf[INET6_ADDRSTRLEN];

  GPR_ASSERT(1 == grpc_parse_ipv6(uri, &addr));
  struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr.addr;
  GPR_ASSERT(AF_INET6 == addr_in6->sin6_family);
  GPR_ASSERT(NULL != grpc_inet_ntop(AF_INET6, &addr_in6->sin6_addr, ntop_buf,
                                    sizeof(ntop_buf)));
  GPR_ASSERT(0 == strcmp(ntop_buf, host));
  GPR_ASSERT(ntohs(addr_in6->sin6_port) == port);
  GPR_ASSERT(addr_in6->sin6_scope_id == scope_id);

  grpc_uri_destroy(uri);
  grpc_exec_ctx_finish(&exec_ctx);
}

int main(int argc, char **argv) {
  grpc_test_init(argc, argv);

  test_grpc_parse_unix("unix:/path/name", "/path/name");
  test_grpc_parse_ipv4("ipv4:192.0.2.1:12345", "192.0.2.1", 12345);
  test_grpc_parse_ipv6("ipv6:[2001:db8::1]:12345", "2001:db8::1", 12345, 0);
  test_grpc_parse_ipv6("ipv6:[2001:db8::1%252]:12345", "2001:db8::1", 12345, 2);
}