1 // 2 // 3 // Copyright 2023 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // 18 #include <grpc/support/port_platform.h> 19 20 #include "src/core/lib/iomgr/vsock.h" 21 22 #ifdef GRPC_HAVE_VSOCK 23 24 #include <string.h> 25 #include <sys/stat.h> 26 #include <sys/types.h> 27 28 #include "absl/strings/str_cat.h" 29 30 #include <grpc/support/alloc.h> 31 #include <grpc/support/log.h> 32 33 #include "src/core/lib/address_utils/parse_address.h" 34 #include "src/core/lib/gpr/useful.h" 35 #include "src/core/lib/gprpp/crash.h" 36 #include "src/core/lib/iomgr/sockaddr.h" 37 #include "src/core/lib/transport/error_utils.h" 38 grpc_resolve_vsock_address(absl::string_view name)39absl::StatusOr<std::vector<grpc_resolved_address>> grpc_resolve_vsock_address( 40 absl::string_view name) { 41 grpc_resolved_address addr; 42 grpc_error_handle error = grpc_core::VSockaddrPopulate(name, &addr); 43 GRPC_RETURN_IF_ERROR(error); 44 return std::vector<grpc_resolved_address>({addr}); 45 } 46 grpc_is_vsock(const grpc_resolved_address * resolved_addr)47int grpc_is_vsock(const grpc_resolved_address* resolved_addr) { 48 const grpc_sockaddr* addr = 49 reinterpret_cast<const grpc_sockaddr*>(resolved_addr->addr); 50 return addr->sa_family == AF_VSOCK; 51 } 52 #else grpc_resolve_vsock_address(absl::string_view)53absl::StatusOr<std::vector<grpc_resolved_address>> grpc_resolve_vsock_address( 54 absl::string_view /*name*/) { 55 return absl::InvalidArgumentError("VSOCK is not supported."); 56 } 57 grpc_is_vsock(const grpc_resolved_address *)58int grpc_is_vsock(const grpc_resolved_address* /*resolved_addr*/) { return 0; } 59 #endif 60