mirror of https://github.com/grpc/grpc.git
Craig Tiller
10 years ago
commit
bafd54c1e2
9 changed files with 33 additions and 719 deletions
@ -1,530 +0,0 @@ |
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/*
|
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* |
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* Copyright 2014, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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|
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#include "src/compiler/go_generator.h" |
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#include <cctype> |
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#include <google/protobuf/io/printer.h> |
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#include <google/protobuf/io/zero_copy_stream_impl_lite.h> |
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#include <google/protobuf/descriptor.pb.h> |
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#include <google/protobuf/descriptor.h> |
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using namespace std; |
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namespace grpc_go_generator { |
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bool NoStreaming(const google::protobuf::MethodDescriptor* method) { |
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return !method->client_streaming() && !method->server_streaming(); |
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} |
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|
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bool ClientOnlyStreaming(const google::protobuf::MethodDescriptor* method) { |
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return method->client_streaming() && !method->server_streaming(); |
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} |
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|
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bool ServerOnlyStreaming(const google::protobuf::MethodDescriptor* method) { |
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return !method->client_streaming() && method->server_streaming(); |
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} |
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|
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bool BidiStreaming(const google::protobuf::MethodDescriptor* method) { |
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return method->client_streaming() && method->server_streaming(); |
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} |
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|
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bool HasClientOnlyStreaming(const google::protobuf::FileDescriptor* file) { |
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for (int i = 0; i < file->service_count(); i++) { |
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for (int j = 0; j < file->service(i)->method_count(); j++) { |
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if (ClientOnlyStreaming(file->service(i)->method(j))) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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|
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string LowerCaseService(const string& service) { |
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string ret = service; |
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if (!ret.empty() && ret[0] >= 'A' && ret[0] <= 'Z') { |
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ret[0] = ret[0] - 'A' + 'a'; |
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} |
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return ret; |
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} |
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|
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void PrintClientMethodDef(google::protobuf::io::Printer* printer, |
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const google::protobuf::MethodDescriptor* method, |
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map<string, string>* vars) { |
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(*vars)["Method"] = method->name(); |
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(*vars)["Request"] = method->input_type()->name(); |
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(*vars)["Response"] = method->output_type()->name(); |
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if (NoStreaming(method)) { |
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printer->Print(*vars, |
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"\t$Method$(ctx context.Context, in *$Request$, opts " |
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"...rpc.CallOption) " |
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"(*$Response$, error)\n"); |
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} else if (BidiStreaming(method)) { |
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printer->Print(*vars, |
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"\t$Method$(ctx context.Context, opts ...rpc.CallOption) " |
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"($Service$_$Method$Client, error)\n"); |
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} else if (ServerOnlyStreaming(method)) { |
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printer->Print( |
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*vars, |
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"\t$Method$(ctx context.Context, m *$Request$, opts ...rpc.CallOption) " |
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"($Service$_$Method$Client, error)\n"); |
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} else if (ClientOnlyStreaming(method)) { |
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printer->Print(*vars, |
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"\t$Method$(ctx context.Context, opts ...rpc.CallOption) " |
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"($Service$_$Method$Client, error)\n"); |
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} |
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} |
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|
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void PrintClientMethodImpl(google::protobuf::io::Printer* printer, |
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const google::protobuf::MethodDescriptor* method, |
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map<string, string>* vars) { |
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(*vars)["Method"] = method->name(); |
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(*vars)["Request"] = method->input_type()->name(); |
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(*vars)["Response"] = method->output_type()->name(); |
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|
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if (NoStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func (c *$ServiceStruct$Client) $Method$(ctx context.Context, " |
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"in *$Request$, opts ...rpc.CallOption) (*$Response$, error) {\n"); |
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printer->Print(*vars, "\tout := new($Response$)\n"); |
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printer->Print(*vars, |
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"\terr := rpc.Invoke(ctx, \"/$Package$$Service$/$Method$\", " |
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"in, out, c.cc, opts...)\n"); |
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printer->Print("\tif err != nil {\n"); |
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printer->Print("\t\treturn nil, err\n"); |
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printer->Print("\t}\n"); |
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printer->Print("\treturn out, nil\n"); |
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printer->Print("}\n\n"); |
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} else if (BidiStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func (c *$ServiceStruct$Client) $Method$(ctx context.Context, opts " |
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"...rpc.CallOption) ($Service$_$Method$Client, error) {\n" |
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"\tstream, err := rpc.NewClientStream(ctx, c.cc, " |
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"\"/$Package$$Service$/$Method$\", opts...)\n" |
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"\tif err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\treturn &$ServiceStruct$$Method$Client{stream}, nil\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $Service$_$Method$Client interface {\n" |
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"\tSend(*$Request$) error\n" |
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"\tRecv() (*$Response$, error)\n" |
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"\trpc.ClientStream\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $ServiceStruct$$Method$Client struct {\n" |
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"\trpc.ClientStream\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Client) Send(m *$Request$) error {\n" |
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"\treturn x.ClientStream.SendProto(m)\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Client) Recv() (*$Response$, error) " |
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"{\n" |
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"\tm := new($Response$)\n" |
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"\tif err := x.ClientStream.RecvProto(m); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\treturn m, nil\n" |
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"}\n\n"); |
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} else if (ServerOnlyStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func (c *$ServiceStruct$Client) $Method$(ctx context.Context, m " |
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"*$Request$, " |
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"opts ...rpc.CallOption) ($Service$_$Method$Client, error) {\n" |
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"\tstream, err := rpc.NewClientStream(ctx, c.cc, " |
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"\"/$Package$$Service$/$Method$\", opts...)\n" |
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"\tif err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\tx := &$ServiceStruct$$Method$Client{stream}\n" |
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"\tif err := x.ClientStream.SendProto(m); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\tif err := x.ClientStream.CloseSend(); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\treturn x, nil\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $Service$_$Method$Client interface {\n" |
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"\tRecv() (*$Response$, error)\n" |
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"\trpc.ClientStream\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $ServiceStruct$$Method$Client struct {\n" |
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"\trpc.ClientStream\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Client) Recv() (*$Response$, error) " |
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"{\n" |
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"\tm := new($Response$)\n" |
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"\tif err := x.ClientStream.RecvProto(m); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\treturn m, nil\n" |
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"}\n\n"); |
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} else if (ClientOnlyStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func (c *$ServiceStruct$Client) $Method$(ctx context.Context, opts " |
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"...rpc.CallOption) ($Service$_$Method$Client, error) {\n" |
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"\tstream, err := rpc.NewClientStream(ctx, c.cc, " |
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"\"/$Package$$Service$/$Method$\", opts...)\n" |
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"\tif err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\treturn &$ServiceStruct$$Method$Client{stream}, nil\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $Service$_$Method$Client interface {\n" |
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"\tSend(*$Request$) error\n" |
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"\tCloseAndRecv() (*$Response$, error)\n" |
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"\trpc.ClientStream\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $ServiceStruct$$Method$Client struct {\n" |
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"\trpc.ClientStream\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Client) Send(m *$Request$) error {\n" |
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"\treturn x.ClientStream.SendProto(m)\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Client) CloseAndRecv() (*$Response$, " |
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"error) {\n" |
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"\tif err := x.ClientStream.CloseSend(); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\tm := new($Response$)\n" |
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"\tif err := x.ClientStream.RecvProto(m); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\t// Read EOF.\n" |
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"\tif err := x.ClientStream.RecvProto(m); err == io.EOF {\n" |
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"\t\treturn m, io.EOF\n" |
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"\t}\n" |
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"\t// gRPC protocol violation.\n" |
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"\treturn m, fmt.Errorf(\"Violate gRPC client streaming protocol: no " |
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"EOF after the response.\")\n" |
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"}\n\n"); |
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} |
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} |
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|
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void PrintClient(google::protobuf::io::Printer* printer, |
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const google::protobuf::ServiceDescriptor* service, |
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map<string, string>* vars) { |
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(*vars)["Service"] = service->name(); |
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(*vars)["ServiceStruct"] = LowerCaseService(service->name()); |
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printer->Print(*vars, "type $Service$Client interface {\n"); |
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for (int i = 0; i < service->method_count(); ++i) { |
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PrintClientMethodDef(printer, service->method(i), vars); |
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} |
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printer->Print("}\n\n"); |
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|
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printer->Print(*vars, |
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"type $ServiceStruct$Client struct {\n" |
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"\tcc *rpc.ClientConn\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func New$Service$Client(cc *rpc.ClientConn) $Service$Client {\n" |
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"\treturn &$ServiceStruct$Client{cc}\n" |
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"}\n\n"); |
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for (int i = 0; i < service->method_count(); ++i) { |
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PrintClientMethodImpl(printer, service->method(i), vars); |
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} |
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} |
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|
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void PrintServerMethodDef(google::protobuf::io::Printer* printer, |
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const google::protobuf::MethodDescriptor* method, |
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map<string, string>* vars) { |
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(*vars)["Method"] = method->name(); |
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(*vars)["Request"] = method->input_type()->name(); |
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(*vars)["Response"] = method->output_type()->name(); |
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if (NoStreaming(method)) { |
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printer->Print( |
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*vars, |
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"\t$Method$(context.Context, *$Request$) (*$Response$, error)\n"); |
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} else if (BidiStreaming(method)) { |
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printer->Print(*vars, "\t$Method$($Service$_$Method$Server) error\n"); |
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} else if (ServerOnlyStreaming(method)) { |
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printer->Print(*vars, |
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"\t$Method$(*$Request$, $Service$_$Method$Server) error\n"); |
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} else if (ClientOnlyStreaming(method)) { |
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printer->Print(*vars, "\t$Method$($Service$_$Method$Server) error\n"); |
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} |
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} |
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|
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void PrintServerHandler(google::protobuf::io::Printer* printer, |
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const google::protobuf::MethodDescriptor* method, |
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map<string, string>* vars) { |
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(*vars)["Method"] = method->name(); |
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(*vars)["Request"] = method->input_type()->name(); |
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(*vars)["Response"] = method->output_type()->name(); |
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if (NoStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func _$Service$_$Method$_Handler(srv interface{}, ctx context.Context," |
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" buf []byte) (proto.Message, error) {\n"); |
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printer->Print(*vars, "\tin := new($Request$)\n"); |
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printer->Print("\tif err := proto.Unmarshal(buf, in); err != nil {\n"); |
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printer->Print("\t\treturn nil, err\n"); |
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printer->Print("\t}\n"); |
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printer->Print(*vars, |
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"\tout, err := srv.($Service$Server).$Method$(ctx, in)\n"); |
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printer->Print("\tif err != nil {\n"); |
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printer->Print("\t\treturn nil, err\n"); |
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printer->Print("\t}\n"); |
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printer->Print("\treturn out, nil\n"); |
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printer->Print("}\n\n"); |
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} else if (BidiStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func _$Service$_$Method$_Handler(srv interface{}, stream rpc.Stream) " |
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"error {\n" |
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"\treturn srv.($Service$Server).$Method$(&$ServiceStruct$$Method$Server" |
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"{stream})\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $Service$_$Method$Server interface {\n" |
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"\tSend(*$Response$) error\n" |
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"\tRecv() (*$Request$, error)\n" |
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"\trpc.Stream\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $ServiceStruct$$Method$Server struct {\n" |
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"\trpc.Stream\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Server) Send(m *$Response$) error {\n" |
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"\treturn x.Stream.SendProto(m)\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Server) Recv() (*$Request$, error) " |
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"{\n" |
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"\tm := new($Request$)\n" |
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"\tif err := x.Stream.RecvProto(m); err != nil {\n" |
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"\t\treturn nil, err\n" |
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"\t}\n" |
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"\treturn m, nil\n" |
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"}\n\n"); |
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} else if (ServerOnlyStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func _$Service$_$Method$_Handler(srv interface{}, stream rpc.Stream) " |
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"error {\n" |
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"\tm := new($Request$)\n" |
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"\tif err := stream.RecvProto(m); err != nil {\n" |
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"\t\treturn err\n" |
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"\t}\n" |
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"\treturn srv.($Service$Server).$Method$(m, " |
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"&$ServiceStruct$$Method$Server{stream})\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $Service$_$Method$Server interface {\n" |
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"\tSend(*$Response$) error\n" |
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"\trpc.Stream\n" |
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"}\n\n"); |
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printer->Print(*vars, |
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"type $ServiceStruct$$Method$Server struct {\n" |
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"\trpc.Stream\n" |
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"}\n\n"); |
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printer->Print( |
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*vars, |
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"func (x *$ServiceStruct$$Method$Server) Send(m *$Response$) error {\n" |
||||
"\treturn x.Stream.SendProto(m)\n" |
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"}\n\n"); |
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} else if (ClientOnlyStreaming(method)) { |
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printer->Print( |
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*vars, |
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"func _$Service$_$Method$_Handler(srv interface{}, stream rpc.Stream) " |
||||
"error {\n" |
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"\treturn srv.($Service$Server).$Method$(&$ServiceStruct$$Method$Server" |
||||
"{stream})\n" |
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"}\n\n"); |
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printer->Print(*vars, |
||||
"type $Service$_$Method$Server interface {\n" |
||||
"\tSendAndClose(*$Response$) error\n" |
||||
"\tRecv() (*$Request$, error)\n" |
||||
"\trpc.Stream\n" |
||||
"}\n\n"); |
||||
printer->Print(*vars, |
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"type $ServiceStruct$$Method$Server struct {\n" |
||||
"\trpc.Stream\n" |
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"}\n\n"); |
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printer->Print( |
||||
*vars, |
||||
"func (x *$ServiceStruct$$Method$Server) SendAndClose(m *$Response$) " |
||||
"error {\n" |
||||
"\tif err := x.Stream.SendProto(m); err != nil {\n" |
||||
"\t\treturn err\n" |
||||
"\t}\n" |
||||
"\treturn nil\n" |
||||
"}\n\n"); |
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printer->Print( |
||||
*vars, |
||||
"func (x *$ServiceStruct$$Method$Server) Recv() (*$Request$, error) {\n" |
||||
"\tm := new($Request$)\n" |
||||
"\tif err := x.Stream.RecvProto(m); err != nil {\n" |
||||
"\t\treturn nil, err\n" |
||||
"\t}\n" |
||||
"\treturn m, nil\n" |
||||
"}\n\n"); |
||||
} |
||||
} |
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|
||||
void PrintServerMethodDesc(google::protobuf::io::Printer* printer, |
||||
const google::protobuf::MethodDescriptor* method, |
||||
map<string, string>* vars) { |
||||
(*vars)["Method"] = method->name(); |
||||
printer->Print("\t\t{\n"); |
||||
printer->Print(*vars, "\t\t\tMethodName:\t\"$Method$\",\n"); |
||||
printer->Print(*vars, "\t\t\tHandler:\t_$Service$_$Method$_Handler,\n"); |
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printer->Print("\t\t},\n"); |
||||
} |
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|
||||
void PrintServerStreamingMethodDesc( |
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google::protobuf::io::Printer* printer, |
||||
const google::protobuf::MethodDescriptor* method, |
||||
map<string, string>* vars) { |
||||
(*vars)["Method"] = method->name(); |
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printer->Print("\t\t{\n"); |
||||
printer->Print(*vars, "\t\t\tStreamName:\t\"$Method$\",\n"); |
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printer->Print(*vars, "\t\t\tHandler:\t_$Service$_$Method$_Handler,\n"); |
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printer->Print("\t\t},\n"); |
||||
} |
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|
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void PrintServer(google::protobuf::io::Printer* printer, |
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const google::protobuf::ServiceDescriptor* service, |
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map<string, string>* vars) { |
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(*vars)["Service"] = service->name(); |
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printer->Print(*vars, "type $Service$Server interface {\n"); |
||||
for (int i = 0; i < service->method_count(); ++i) { |
||||
PrintServerMethodDef(printer, service->method(i), vars); |
||||
} |
||||
printer->Print("}\n\n"); |
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|
||||
printer->Print(*vars, |
||||
"func RegisterService(s *rpc.Server, srv $Service$Server) {\n" |
||||
"\ts.RegisterService(&_$Service$_serviceDesc, srv)\n" |
||||
"}\n\n"); |
||||
|
||||
for (int i = 0; i < service->method_count(); ++i) { |
||||
PrintServerHandler(printer, service->method(i), vars); |
||||
} |
||||
|
||||
printer->Print(*vars, |
||||
"var _$Service$_serviceDesc = rpc.ServiceDesc{\n" |
||||
"\tServiceName: \"$Package$$Service$\",\n" |
||||
"\tHandlerType: (*$Service$Server)(nil),\n" |
||||
"\tMethods: []rpc.MethodDesc{\n"); |
||||
for (int i = 0; i < service->method_count(); ++i) { |
||||
if (NoStreaming(service->method(i))) { |
||||
PrintServerMethodDesc(printer, service->method(i), vars); |
||||
} |
||||
} |
||||
printer->Print("\t},\n"); |
||||
|
||||
printer->Print("\tStreams: []rpc.StreamDesc{\n"); |
||||
for (int i = 0; i < service->method_count(); ++i) { |
||||
if (!NoStreaming(service->method(i))) { |
||||
PrintServerStreamingMethodDesc(printer, service->method(i), vars); |
||||
} |
||||
} |
||||
printer->Print( |
||||
"\t},\n" |
||||
"}\n\n"); |
||||
} |
||||
|
||||
std::string BadToUnderscore(std::string str) { |
||||
for (unsigned i = 0; i < str.size(); ++i) { |
||||
if (!std::isalnum(str[i])) { |
||||
str[i] = '_'; |
||||
} |
||||
} |
||||
return str; |
||||
} |
||||
|
||||
string GetServices(const google::protobuf::FileDescriptor* file) { |
||||
string output; |
||||
google::protobuf::io::StringOutputStream output_stream(&output); |
||||
google::protobuf::io::Printer printer(&output_stream, '$'); |
||||
map<string, string> vars; |
||||
|
||||
string package_name = !file->options().go_package().empty() |
||||
? file->options().go_package() |
||||
: file->package(); |
||||
vars["PackageName"] = BadToUnderscore(package_name); |
||||
printer.Print(vars, "package $PackageName$\n\n"); |
||||
printer.Print("import (\n"); |
||||
if (HasClientOnlyStreaming(file)) { |
||||
printer.Print( |
||||
"\t\"fmt\"\n" |
||||
"\t\"io\"\n"); |
||||
} |
||||
printer.Print( |
||||
"\t\"google/net/grpc/go/rpc\"\n" |
||||
"\tcontext \"google/third_party/golang/go_net/context/context\"\n" |
||||
"\tproto \"google/net/proto2/go/proto\"\n" |
||||
")\n\n"); |
||||
|
||||
// $Package$ is used to fully qualify method names.
|
||||
vars["Package"] = file->package(); |
||||
if (!file->package().empty()) { |
||||
vars["Package"].append("."); |
||||
} |
||||
|
||||
for (int i = 0; i < file->service_count(); ++i) { |
||||
PrintClient(&printer, file->service(0), &vars); |
||||
printer.Print("\n"); |
||||
PrintServer(&printer, file->service(0), &vars); |
||||
printer.Print("\n"); |
||||
} |
||||
return output; |
||||
} |
||||
|
||||
} // namespace grpc_go_generator
|
||||
@ -1,51 +0,0 @@ |
||||
/*
|
||||
* |
||||
* Copyright 2014, Google Inc. |
||||
* All rights reserved. |
||||
* |
||||
* Redistribution and use in source and binary forms, with or without |
||||
* modification, are permitted provided that the following conditions are |
||||
* met: |
||||
* |
||||
* * Redistributions of source code must retain the above copyright |
||||
* notice, this list of conditions and the following disclaimer. |
||||
* * Redistributions in binary form must reproduce the above |
||||
* copyright notice, this list of conditions and the following disclaimer |
||||
* in the documentation and/or other materials provided with the |
||||
* distribution. |
||||
* * Neither the name of Google Inc. nor the names of its |
||||
* contributors may be used to endorse or promote products derived from |
||||
* this software without specific prior written permission. |
||||
* |
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||
* |
||||
*/ |
||||
|
||||
#ifndef NET_GRPC_COMPILER_GO_GENERATOR_H_ |
||||
#define NET_GRPC_COMPILER_GO_GENERATOR_H_ |
||||
|
||||
#include <string> |
||||
|
||||
namespace google { |
||||
namespace protobuf { |
||||
class FileDescriptor; |
||||
} // namespace protobuf
|
||||
} // namespace google
|
||||
|
||||
namespace grpc_go_generator { |
||||
|
||||
std::string GetServices(const google::protobuf::FileDescriptor* file); |
||||
|
||||
} // namespace grpc_go_generator
|
||||
|
||||
#endif // NET_GRPC_COMPILER_GO_GENERATOR_H_
|
||||
@ -1,83 +0,0 @@ |
||||
/*
|
||||
* |
||||
* Copyright 2014, Google Inc. |
||||
* All rights reserved. |
||||
* |
||||
* Redistribution and use in source and binary forms, with or without |
||||
* modification, are permitted provided that the following conditions are |
||||
* met: |
||||
* |
||||
* * Redistributions of source code must retain the above copyright |
||||
* notice, this list of conditions and the following disclaimer. |
||||
* * Redistributions in binary form must reproduce the above |
||||
* copyright notice, this list of conditions and the following disclaimer |
||||
* in the documentation and/or other materials provided with the |
||||
* distribution. |
||||
* * Neither the name of Google Inc. nor the names of its |
||||
* contributors may be used to endorse or promote products derived from |
||||
* this software without specific prior written permission. |
||||
* |
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||
* |
||||
*/ |
||||
|
||||
// Generates go gRPC service interface out of Protobuf IDL.
|
||||
//
|
||||
// This is a Proto2 compiler plugin. See net/proto2/compiler/proto/plugin.proto
|
||||
// and net/proto2/compiler/public/plugin.h for more information on plugins.
|
||||
|
||||
#include <fstream> |
||||
#include <memory> |
||||
|
||||
using namespace std; |
||||
|
||||
#include "src/compiler/go_generator.h" |
||||
#include <google/protobuf/compiler/code_generator.h> |
||||
#include <google/protobuf/compiler/plugin.h> |
||||
#include <google/protobuf/io/coded_stream.h> |
||||
#include <google/protobuf/io/zero_copy_stream.h> |
||||
#include <google/protobuf/descriptor.h> |
||||
|
||||
class GoGrpcGenerator : public google::protobuf::compiler::CodeGenerator { |
||||
public: |
||||
GoGrpcGenerator() {} |
||||
virtual ~GoGrpcGenerator() {} |
||||
|
||||
virtual bool Generate(const google::protobuf::FileDescriptor* file, |
||||
const string& parameter, |
||||
google::protobuf::compiler::GeneratorContext* context, |
||||
string* error) const { |
||||
// Get output file name.
|
||||
string file_name; |
||||
if (file->name().size() > 6 && |
||||
file->name().find_last_of(".proto") == file->name().size() - 1) { |
||||
file_name = |
||||
file->name().substr(0, file->name().size() - 6) + "_grpc.pb.go"; |
||||
} else { |
||||
*error = "Invalid proto file name. Proto file must end with .proto"; |
||||
return false; |
||||
} |
||||
|
||||
std::unique_ptr<google::protobuf::io::ZeroCopyOutputStream> output( |
||||
context->Open(file_name)); |
||||
google::protobuf::io::CodedOutputStream coded_out(output.get()); |
||||
string code = grpc_go_generator::GetServices(file); |
||||
coded_out.WriteRaw(code.data(), code.size()); |
||||
return true; |
||||
} |
||||
}; |
||||
|
||||
int main(int argc, char* argv[]) { |
||||
GoGrpcGenerator generator; |
||||
return google::protobuf::compiler::PluginMain(argc, argv, &generator); |
||||
} |
||||
Loading…
Reference in new issue