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// Copyright 2020 The gVisor 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.
syntax = "proto3";
package posix_server;
message SockaddrIn {
int32 family = 1;
uint32 port = 2;
bytes addr = 3;
}
message SockaddrIn6 {
uint32 family = 1;
uint32 port = 2;
uint32 flowinfo = 3;
bytes addr = 4;
uint32 scope_id = 5;
}
message Sockaddr {
oneof sockaddr {
SockaddrIn in = 1;
SockaddrIn6 in6 = 2;
}
}
message Timeval {
int64 seconds = 1;
int64 microseconds = 2;
}
// Request and Response pairs for each Posix service RPC call, sorted.
message AcceptRequest {
int32 sockfd = 1;
}
message AcceptResponse {
int32 fd = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
Sockaddr addr = 3;
}
message BindRequest {
int32 sockfd = 1;
Sockaddr addr = 2;
}
message BindResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
}
message CloseRequest {
int32 fd = 1;
}
message CloseResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
}
message GetSockNameRequest {
int32 sockfd = 1;
}
message GetSockNameResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
Sockaddr addr = 3;
}
message ListenRequest {
int32 sockfd = 1;
int32 backlog = 2;
}
message ListenResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
}
message SendRequest {
int32 sockfd = 1;
bytes buf = 2;
int32 flags = 3;
}
message SendResponse {
int32 ret = 1;
int32 errno_ = 2;
}
message SetSockOptRequest {
int32 sockfd = 1;
int32 level = 2;
int32 optname = 3;
bytes optval = 4;
}
message SetSockOptResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
}
message SetSockOptIntRequest {
int32 sockfd = 1;
int32 level = 2;
int32 optname = 3;
int32 intval = 4;
}
message SetSockOptIntResponse {
int32 ret = 1;
int32 errno_ = 2;
}
message SetSockOptTimevalRequest {
int32 sockfd = 1;
int32 level = 2;
int32 optname = 3;
Timeval timeval = 4;
}
message SetSockOptTimevalResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
}
message SocketRequest {
int32 domain = 1;
int32 type = 2;
int32 protocol = 3;
}
message SocketResponse {
int32 fd = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
}
message RecvRequest {
int32 sockfd = 1;
int32 len = 2;
int32 flags = 3;
}
message RecvResponse {
int32 ret = 1;
int32 errno_ = 2; // "errno" may fail to compile in c++.
bytes buf = 3;
}
service Posix {
// Call accept() on the DUT.
rpc Accept(AcceptRequest) returns (AcceptResponse);
// Call bind() on the DUT.
rpc Bind(BindRequest) returns (BindResponse);
// Call close() on the DUT.
rpc Close(CloseRequest) returns (CloseResponse);
// Call getsockname() on the DUT.
rpc GetSockName(GetSockNameRequest) returns (GetSockNameResponse);
// Call listen() on the DUT.
rpc Listen(ListenRequest) returns (ListenResponse);
// Call send() on the DUT.
rpc Send(SendRequest) returns (SendResponse);
// Call setsockopt() on the DUT. You should prefer one of the other
// SetSockOpt* functions with a more structured optval or else you may get the
// encoding wrong, such as making a bad assumption about the server's word
// sizes or endianness.
rpc SetSockOpt(SetSockOptRequest) returns (SetSockOptResponse);
// Call setsockopt() on the DUT with an int optval.
rpc SetSockOptInt(SetSockOptIntRequest) returns (SetSockOptIntResponse);
// Call setsockopt() on the DUT with a Timeval optval.
rpc SetSockOptTimeval(SetSockOptTimevalRequest)
returns (SetSockOptTimevalResponse);
// Call socket() on the DUT.
rpc Socket(SocketRequest) returns (SocketResponse);
// Call recv() on the DUT.
rpc Recv(RecvRequest) returns (RecvResponse);
}
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