Initial checkin of gRPC to third_party/

third_party/grpc/test/cpp/interop/client.cc

Index: third_party/grpc/test/cpp/interop/client.cc
diff --git a/third_party/grpc/test/cpp/interop/client.cc b/third_party/grpc/test/cpp/interop/client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..788adefd24b01283892ee5ebe1aec761500cffb7
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+++ b/third_party/grpc/test/cpp/interop/client.cc
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+/*
+ *
+ * Copyright 2015-2016, 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.
+ *
+ */
+
+#include <memory>
+
+#include <unistd.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <gflags/gflags.h>
+#include <grpc++/channel.h>
+#include <grpc++/client_context.h>
+
+#include "test/cpp/interop/client_helper.h"
+#include "test/cpp/interop/interop_client.h"
+#include "test/cpp/util/test_config.h"
+
+DEFINE_bool(use_tls, false, "Whether to use tls.");
+DEFINE_bool(use_test_ca, false, "False to use SSL roots for google");
+DEFINE_int32(server_port, 0, "Server port.");
+DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
+DEFINE_string(server_host_override, "foo.test.google.fr",
+              "Override the server host which is sent in HTTP header");
+DEFINE_string(test_case, "large_unary",
+              "Configure different test cases. Valid options are: "
+              "empty_unary : empty (zero bytes) request and response; "
+              "large_unary : single request and (large) response; "
+              "large_compressed_unary : single request and compressed (large) "
+              "response; "
+              "client_streaming : request streaming with single response; "
+              "server_streaming : single request with response streaming; "
+              "server_compressed_streaming : single request with compressed "
+              "response streaming; "
+              "slow_consumer : single request with response; "
+              " streaming with slow client consumer; "
+              "half_duplex : half-duplex streaming; "
+              "ping_pong : full-duplex streaming; "
+              "cancel_after_begin : cancel stream after starting it; "
+              "cancel_after_first_response: cancel on first response; "
+              "timeout_on_sleeping_server: deadline exceeds on stream; "
+              "empty_stream : bi-di stream with no request/response; "
+              "compute_engine_creds: large_unary with compute engine auth; "
+              "jwt_token_creds: large_unary with JWT token auth; "
+              "oauth2_auth_token: raw oauth2 access token auth; "
+              "per_rpc_creds: raw oauth2 access token on a single rpc; "
+              "status_code_and_message: verify status code & message; "
+              "custom_metadata: server will echo custom metadata;"
+              "all : all of above.");
+DEFINE_string(default_service_account, "",
+              "Email of GCE default service account");
+DEFINE_string(service_account_key_file, "",
+              "Path to service account json key file.");
+DEFINE_string(oauth_scope, "", "Scope for OAuth tokens.");
+
+using grpc::testing::CreateChannelForTestCase;
+using grpc::testing::GetServiceAccountJsonKey;
+
+int main(int argc, char** argv) {
+  grpc::testing::InitTest(&argc, &argv, true);
+  gpr_log(GPR_INFO, "Testing these cases: %s", FLAGS_test_case.c_str());
+  int ret = 0;
+  grpc::testing::InteropClient client(
+      CreateChannelForTestCase(FLAGS_test_case));
+  if (FLAGS_test_case == "empty_unary") {
+    client.DoEmpty();
+  } else if (FLAGS_test_case == "large_unary") {
+    client.DoLargeUnary();
+  } else if (FLAGS_test_case == "large_compressed_unary") {
+    client.DoLargeCompressedUnary();
+  } else if (FLAGS_test_case == "client_streaming") {
+    client.DoRequestStreaming();
+  } else if (FLAGS_test_case == "server_streaming") {
+    client.DoResponseStreaming();
+  } else if (FLAGS_test_case == "server_compressed_streaming") {
+    client.DoResponseCompressedStreaming();
+  } else if (FLAGS_test_case == "slow_consumer") {
+    client.DoResponseStreamingWithSlowConsumer();
+  } else if (FLAGS_test_case == "half_duplex") {
+    client.DoHalfDuplex();
+  } else if (FLAGS_test_case == "ping_pong") {
+    client.DoPingPong();
+  } else if (FLAGS_test_case == "cancel_after_begin") {
+    client.DoCancelAfterBegin();
+  } else if (FLAGS_test_case == "cancel_after_first_response") {
+    client.DoCancelAfterFirstResponse();
+  } else if (FLAGS_test_case == "timeout_on_sleeping_server") {
+    client.DoTimeoutOnSleepingServer();
+  } else if (FLAGS_test_case == "empty_stream") {
+    client.DoEmptyStream();
+  } else if (FLAGS_test_case == "compute_engine_creds") {
+    client.DoComputeEngineCreds(FLAGS_default_service_account,
+                                FLAGS_oauth_scope);
+  } else if (FLAGS_test_case == "jwt_token_creds") {
+    grpc::string json_key = GetServiceAccountJsonKey();
+    client.DoJwtTokenCreds(json_key);
+  } else if (FLAGS_test_case == "oauth2_auth_token") {
+    client.DoOauth2AuthToken(FLAGS_default_service_account, FLAGS_oauth_scope);
+  } else if (FLAGS_test_case == "per_rpc_creds") {
+    grpc::string json_key = GetServiceAccountJsonKey();
+    client.DoPerRpcCreds(json_key);
+  } else if (FLAGS_test_case == "status_code_and_message") {
+    client.DoStatusWithMessage();
+  } else if (FLAGS_test_case == "custom_metadata") {
+    client.DoCustomMetadata();
+  } else if (FLAGS_test_case == "all") {
+    client.DoEmpty();
+    client.DoLargeUnary();
+    client.DoRequestStreaming();
+    client.DoResponseStreaming();
+    client.DoResponseCompressedStreaming();
+    client.DoHalfDuplex();
+    client.DoPingPong();
+    client.DoCancelAfterBegin();
+    client.DoCancelAfterFirstResponse();
+    client.DoTimeoutOnSleepingServer();
+    client.DoEmptyStream();
+    client.DoStatusWithMessage();
+    client.DoCustomMetadata();
+    // service_account_creds and jwt_token_creds can only run with ssl.
+    if (FLAGS_use_tls) {
+      grpc::string json_key = GetServiceAccountJsonKey();
+      client.DoJwtTokenCreds(json_key);
+      client.DoOauth2AuthToken(FLAGS_default_service_account,
+                               FLAGS_oauth_scope);
+      client.DoPerRpcCreds(json_key);
+    }
+    // compute_engine_creds only runs in GCE.
+  } else {
+    gpr_log(
+        GPR_ERROR,
+        "Unsupported test case %s. Valid options are all|empty_unary|"
+        "large_unary|large_compressed_unary|client_streaming|server_streaming|"
+        "server_compressed_streaming|half_duplex|ping_pong|cancel_after_begin|"
+        "cancel_after_first_response|timeout_on_sleeping_server|empty_stream|"
+        "compute_engine_creds|jwt_token_creds|oauth2_auth_token|per_rpc_creds",
+        "status_code_and_message|custom_metadata", FLAGS_test_case.c_str());
+    ret = 1;
+  }
+
+  return ret;
+}