Initial checkin of gRPC to third_party/

third_party/grpc/src/proto/math/math.proto

-// Copyright (c) 2009, Google Inc.
+
+// Copyright 2015, 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.
 
-// This code exists to generate minidump files for testing.
+syntax = "proto3";
 
-#include <stdlib.h>
+package math;
 
-#include <unistd.h>
+message DivArgs {
+  int64 dividend = 1;
+  int64 divisor = 2;
+}
 
-#include "breakpad/src/client/linux/handler/exception_handler.h"
-#include "breakpad/src/common/linux/linux_libc_support.h"
-#include "third_party/lss/linux_syscall_support.h"
+message DivReply {
+  int64 quotient = 1;
+  int64 remainder = 2;
+}
 
-static bool DumpCallback(const google_breakpad::MinidumpDescriptor& descriptor,
-                         void* context, bool success) {
-  if (!success) {
-    static const char msg[] = "Failed to write minidump\n";
-    sys_write(2, msg, sizeof(msg) - 1);
-    return false;
+message FibArgs {
+  int64 limit = 1;
+}
+
+message Num {
+  int64 num = 1;
+}
+
+message FibReply {
+  int64 count = 1;
+}
+
+service Math {
+  // Div divides args.dividend by args.divisor and returns the quotient and
+  // remainder.
+  rpc Div (DivArgs) returns (DivReply) {
   }
 
-  static const char msg[] = "Wrote minidump: ";
-  sys_write(2, msg, sizeof(msg) - 1);
-  sys_write(2, descriptor.path(), strlen(descriptor.path()));
-  sys_write(2, "\n", 1);
+  // DivMany accepts an arbitrary number of division args from the client stream
+  // and sends back the results in the reply stream.  The stream continues until
+  // the client closes its end; the server does the same after sending all the
+  // replies.  The stream ends immediately if either end aborts.
+  rpc DivMany (stream DivArgs) returns (stream DivReply) {
+  }
 
-  return true;
+  // Fib generates numbers in the Fibonacci sequence.  If args.limit > 0, Fib
+  // generates up to limit numbers; otherwise it continues until the call is
+  // canceled.  Unlike Fib above, Fib has no final FibReply.
+  rpc Fib (FibArgs) returns (stream Num) {
+  }
+
+  // Sum sums a stream of numbers, returning the final result once the stream
+  // is closed.
+  rpc Sum (stream Num) returns (Num) {
+  }
 }
-
-static void DoSomethingWhichCrashes() {
-  int local_var = 1;
-  *reinterpret_cast<volatile char*>(NULL) = 1;
-}
-
-int main() {
-  google_breakpad::MinidumpDescriptor minidump(".");
-  google_breakpad::ExceptionHandler breakpad(minidump, NULL, DumpCallback, NULL,
-                                             true, -1);
-  DoSomethingWhichCrashes();
-  return 0;
-}