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 "src/core/lib/iomgr/vsock.h" 19 20 #include <grpc/support/port_platform.h> 21 22 #ifdef GRPC_HAVE_VSOCK 23 24 #include <grpc/support/alloc.h> 25 #include <string.h> 26 #include <sys/stat.h> 27 #include <sys/types.h> 28 29 #include "absl/strings/str_cat.h" 30 #include "src/core/lib/address_utils/parse_address.h" 31 #include "src/core/lib/iomgr/sockaddr.h" 32 #include "src/core/lib/transport/error_utils.h" 33 #include "src/core/util/crash.h" 34 #include "src/core/util/useful.h" 35 grpc_resolve_vsock_address(absl::string_view name)36absl::StatusOr<std::vector<grpc_resolved_address>> grpc_resolve_vsock_address( 37 absl::string_view name) { 38 grpc_resolved_address addr; 39 grpc_error_handle error = grpc_core::VSockaddrPopulate(name, &addr); 40 GRPC_RETURN_IF_ERROR(error); 41 return std::vector<grpc_resolved_address>({addr}); 42 } 43 grpc_is_vsock(const grpc_resolved_address * resolved_addr)44int grpc_is_vsock(const grpc_resolved_address* resolved_addr) { 45 const grpc_sockaddr* addr = 46 reinterpret_cast<const grpc_sockaddr*>(resolved_addr->addr); 47 return addr->sa_family == AF_VSOCK; 48 } 49 #else grpc_resolve_vsock_address(absl::string_view)50absl::StatusOr<std::vector<grpc_resolved_address>> grpc_resolve_vsock_address( 51 absl::string_view /*name*/) { 52 return absl::InvalidArgumentError("VSOCK is not supported."); 53 } 54 grpc_is_vsock(const grpc_resolved_address *)55int grpc_is_vsock(const grpc_resolved_address* /*resolved_addr*/) { return 0; } 56 #endif 57