mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
139 lines
5.0 KiB
139 lines
5.0 KiB
# Copyright 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. |
|
|
|
"""A client that makes both Greeter and RouteGuide RPCs.""" |
|
|
|
from __future__ import print_function |
|
|
|
import random |
|
import time |
|
|
|
import grpc |
|
|
|
import helloworld_pb2 |
|
import route_guide_pb2 |
|
import route_guide_resources |
|
|
|
|
|
def make_route_note(message, latitude, longitude): |
|
return route_guide_pb2.RouteNote( |
|
message=message, |
|
location=route_guide_pb2.Point(latitude=latitude, longitude=longitude)) |
|
|
|
|
|
def guide_get_one_feature(route_guide_stub, point): |
|
feature = route_guide_stub.GetFeature(point) |
|
if not feature.location: |
|
print("Server returned incomplete feature") |
|
return |
|
|
|
if feature.name: |
|
print("Feature called %s at %s" % (feature.name, feature.location)) |
|
else: |
|
print("Found no feature at %s" % feature.location) |
|
|
|
|
|
def guide_get_feature(route_guide_stub): |
|
guide_get_one_feature( |
|
route_guide_stub, |
|
route_guide_pb2.Point(latitude=409146138, longitude=-746188906)) |
|
guide_get_one_feature( |
|
route_guide_stub, route_guide_pb2.Point(latitude=0, longitude=0)) |
|
|
|
|
|
def guide_list_features(route_guide_stub): |
|
rectangle = route_guide_pb2.Rectangle( |
|
lo=route_guide_pb2.Point(latitude=400000000, longitude=-750000000), |
|
hi=route_guide_pb2.Point(latitude=420000000, longitude=-730000000)) |
|
print("Looking for features between 40, -75 and 42, -73") |
|
|
|
features = route_guide_stub.ListFeatures(rectangle) |
|
|
|
for feature in features: |
|
print("Feature called %s at %s" % (feature.name, feature.location)) |
|
|
|
|
|
def generate_route(feature_list): |
|
for _ in range(0, 10): |
|
random_feature = feature_list[random.randint(0, len(feature_list) - 1)] |
|
print("Visiting point %s" % random_feature.location) |
|
yield random_feature.location |
|
time.sleep(random.uniform(0.5, 1.5)) |
|
|
|
|
|
def guide_record_route(route_guide_stub): |
|
feature_list = route_guide_resources.read_route_guide_database() |
|
|
|
route_iterator = generate_route(feature_list) |
|
route_summary = route_guide_stub.RecordRoute(route_iterator) |
|
print("Finished trip with %s points " % route_summary.point_count) |
|
print("Passed %s features " % route_summary.feature_count) |
|
print("Travelled %s meters " % route_summary.distance) |
|
print("It took %s seconds " % route_summary.elapsed_time) |
|
|
|
|
|
def generate_messages(): |
|
messages = [ |
|
make_route_note("First message", 0, 0), |
|
make_route_note("Second message", 0, 1), |
|
make_route_note("Third message", 1, 0), |
|
make_route_note("Fourth message", 0, 0), |
|
make_route_note("Fifth message", 1, 0), |
|
] |
|
for msg in messages: |
|
print("Sending %s at %s" % (msg.message, msg.location)) |
|
yield msg |
|
time.sleep(random.uniform(0.5, 1.0)) |
|
|
|
|
|
def guide_route_chat(route_guide_stub): |
|
responses = route_guide_stub.RouteChat(generate_messages()) |
|
for response in responses: |
|
print("Received message %s at %s" % (response.message, response.location)) |
|
|
|
|
|
def run(): |
|
channel = grpc.insecure_channel('localhost:50051') |
|
greeter_stub = helloworld_pb2.GreeterStub(channel) |
|
route_guide_stub = route_guide_pb2.RouteGuideStub(channel) |
|
greeter_response = greeter_stub.SayHello( |
|
helloworld_pb2.HelloRequest(name='you')) |
|
print("Greeter client received: " + greeter_response.message) |
|
print("-------------- GetFeature --------------") |
|
guide_get_feature(route_guide_stub) |
|
print("-------------- ListFeatures --------------") |
|
guide_list_features(route_guide_stub) |
|
print("-------------- RecordRoute --------------") |
|
guide_record_route(route_guide_stub) |
|
print("-------------- RouteChat --------------") |
|
guide_route_chat(route_guide_stub) |
|
|
|
|
|
if __name__ == '__main__': |
|
run()
|
|
|