Chiebot-Mirror
/
grpc
mirror of https://github.com/grpc/grpc.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Follow Node's callback-last convention for client calls

Browse Source
pull/5900/head
murgatroid99 9 years ago
parent b08ee7a260
commit 9a0c74116f
6 changed files with 91 additions and 79 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 1
      package.json
  2. 10
      src/node/interop/interop_client.js
  3. 91
      src/node/src/client.js
  4. 19
      src/node/test/credentials_test.js
  5. 42
      src/node/test/surface_test.js
  6. 1
      templates/package.json.template

1
package.json
Unescape View File

@ -27,6 +27,7 @@
},
"bundledDependencies": ["node-pre-gyp"],
"dependencies": {
"arguejs": "^0.2.3",
"lodash": "^3.9.3",
"nan": "^2.0.0",
"protobufjs": "^4.0.0"

10
src/node/interop/interop_client.js
Unescape View File

@ -286,7 +286,7 @@ function cancelAfterFirstResponse(client, done) {
function timeoutOnSleepingServer(client, done) {
var deadline = new Date();
deadline.setMilliseconds(deadline.getMilliseconds() + 1);
var call = client.fullDuplexCall(null, {deadline: deadline});
var call = client.fullDuplexCall({deadline: deadline});
call.write({
payload: {body: zeroBuffer(27182)}
});
@ -316,10 +316,10 @@ function customMetadata(client, done) {
body: zeroBuffer(271828)
}
};
var unary = client.unaryCall(arg, function(err, resp) {
var unary = client.unaryCall(arg, metadata, function(err, resp) {
assert.ifError(err);
done();
}, metadata);
});
unary.on('metadata', function(metadata) {
assert.deepEqual(metadata.get(ECHO_INITIAL_KEY),
['test_initial_metadata_value']);
@ -455,14 +455,14 @@ function perRpcAuthTest(client, done, extra) {
credential = credential.createScoped(scope);
}
var creds = grpc.credentials.createFromGoogleCredential(credential);
client.unaryCall(arg, function(err, resp) {
client.unaryCall(arg, {credentials: creds}, function(err, resp) {
assert.ifError(err);
assert.strictEqual(resp.username, SERVICE_ACCOUNT_EMAIL);
assert(extra.oauth_scope.indexOf(resp.oauth_scope) > -1);
if (done) {
done();
}
}, null, {credentials: creds});
});
});
}

91
src/node/src/client.js
Unescape View File

@ -50,6 +50,7 @@
'use strict';
var _ = require('lodash');
var arguejs = require('arguejs');
var grpc = require('./grpc_extension');
@ -353,21 +354,23 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
* @this {Client} Client object. Must have a channel member.
* @param {*} argument The argument to the call. Should be serializable with
* serialize
* @param {function(?Error, value=)} callback The callback to for when the
* response is received
* @param {Metadata=} metadata Metadata to add to the call
* @param {Object=} options Options map
* @param {function(?Error, value=)} callback The callback to for when the
* response is received
* @return {EventEmitter} An event emitter for stream related events
*/
function makeUnaryRequest(argument, callback, metadata, options) {
function makeUnaryRequest(argument, metadata, options, callback) {
/* jshint validthis: true */
/* While the arguments are listed in the function signature, those variables
* are not used directly. Instead, ArgueJS processes the arguments
* object. This allows for simple handling of optional arguments in the
* middle of the argument list, and also provides type checking. */
var args = arguejs({argument: null, metadata: [Metadata, new Metadata()],
options: [Object], callback: Function}, arguments);
var emitter = new EventEmitter();
var call = getCall(this.$channel, method, options);
if (metadata === null || metadata === undefined) {
metadata = new Metadata();
} else {
metadata = metadata.clone();
}
var call = getCall(this.$channel, method, args.options);
metadata = args.metadata.clone();
emitter.cancel = function cancel() {
call.cancel();
};
@ -375,9 +378,9 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
return call.getPeer();
};
var client_batch = {};
var message = serialize(argument);
if (options) {
message.grpcWriteFlags = options.flags;
var message = serialize(args.argument);
if (args.options) {
message.grpcWriteFlags = args.options.flags;
}
client_batch[grpc.opType.SEND_INITIAL_METADATA] =
metadata._getCoreRepresentation();
@ -395,7 +398,7 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
if (status.code === grpc.status.OK) {
if (err) {
// Got a batch error, but OK status. Something went wrong
callback(err);
args.callback(err);
return;
} else {
try {
@ -414,9 +417,9 @@ function makeUnaryRequestFunction(method, serialize, deserialize) {
error = new Error(status.details);
error.code = status.code;
error.metadata = status.metadata;
callback(error);
args.callback(error);
} else {
callback(null, deserialized);
args.callback(null, deserialized);
}
emitter.emit('status', status);
emitter.emit('metadata', Metadata._fromCoreRepresentation(
@ -440,21 +443,23 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
* Make a client stream request with this method on the given channel with the
* given callback, etc.
* @this {Client} Client object. Must have a channel member.
* @param {function(?Error, value=)} callback The callback to for when the
* response is received
* @param {Metadata=} metadata Array of metadata key/value pairs to add to the
* call
* @param {Object=} options Options map
* @param {function(?Error, value=)} callback The callback to for when the
* response is received
* @return {EventEmitter} An event emitter for stream related events
*/
function makeClientStreamRequest(callback, metadata, options) {
function makeClientStreamRequest(metadata, options, callback) {
/* jshint validthis: true */
var call = getCall(this.$channel, method, options);
if (metadata === null || metadata === undefined) {
metadata = new Metadata();
} else {
metadata = metadata.clone();
}
/* While the arguments are listed in the function signature, those variables
* are not used directly. Instead, ArgueJS processes the arguments
* object. This allows for simple handling of optional arguments in the
* middle of the argument list, and also provides type checking. */
var args = arguejs({metadata: [Metadata, new Metadata()],
options: [Object], callback: Function}, arguments);
var call = getCall(this.$channel, method, args.options);
metadata = args.metadata.clone();
var stream = new ClientWritableStream(call, serialize);
var metadata_batch = {};
metadata_batch[grpc.opType.SEND_INITIAL_METADATA] =
@ -481,7 +486,7 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
if (status.code === grpc.status.OK) {
if (err) {
// Got a batch error, but OK status. Something went wrong
callback(err);
args.callback(err);
return;
} else {
try {
@ -500,9 +505,9 @@ function makeClientStreamRequestFunction(method, serialize, deserialize) {
error = new Error(response.status.details);
error.code = status.code;
error.metadata = status.metadata;
callback(error);
args.callback(error);
} else {
callback(null, deserialized);
args.callback(null, deserialized);
}
stream.emit('status', status);
});
@ -533,17 +538,18 @@ function makeServerStreamRequestFunction(method, serialize, deserialize) {
*/
function makeServerStreamRequest(argument, metadata, options) {
/* jshint validthis: true */
var call = getCall(this.$channel, method, options);
if (metadata === null || metadata === undefined) {
metadata = new Metadata();
} else {
metadata = metadata.clone();
}
/* While the arguments are listed in the function signature, those variables
* are not used directly. Instead, ArgueJS processes the arguments
* object. */
var args = arguejs({argument: null, metadata: [Metadata, new Metadata()],
options: [Object]}, arguments);
var call = getCall(this.$channel, method, args.options);
metadata = args.metadata.clone();
var stream = new ClientReadableStream(call, deserialize);
var start_batch = {};
var message = serialize(argument);
if (options) {
message.grpcWriteFlags = options.flags;
var message = serialize(args.argument);
if (args.options) {
message.grpcWriteFlags = args.options.flags;
}
start_batch[grpc.opType.SEND_INITIAL_METADATA] =
metadata._getCoreRepresentation();
@ -595,12 +601,13 @@ function makeBidiStreamRequestFunction(method, serialize, deserialize) {
*/
function makeBidiStreamRequest(metadata, options) {
/* jshint validthis: true */
var call = getCall(this.$channel, method, options);
if (metadata === null || metadata === undefined) {
metadata = new Metadata();
} else {
metadata = metadata.clone();
}
/* While the arguments are listed in the function signature, those variables
* are not used directly. Instead, ArgueJS processes the arguments
* object. */
var args = arguejs({metadata: [Metadata, new Metadata()],
options: [Object]}, arguments);
var call = getCall(this.$channel, method, args.options);
metadata = args.metadata.clone();
var stream = new ClientDuplexStream(call, serialize, deserialize);
var start_batch = {};
start_batch[grpc.opType.SEND_INITIAL_METADATA] =

19
src/node/test/credentials_test.js
Unescape View File

@ -398,18 +398,20 @@ describe('client credentials', function() {
metadataUpdater);
});
it('Should update metadata on a unary call', function(done) {
var call = client.unary({}, function(err, data) {
var call = client.unary({}, {credentials: updater_creds},
function(err, data) {
assert.ifError(err);
}, null, {credentials: updater_creds});
});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
done();
});
});
it('should update metadata on a client streaming call', function(done) {
var call = client.clientStream(function(err, data) {
var call = client.clientStream({credentials: updater_creds},
function(err, data) {
assert.ifError(err);
}, null, {credentials: updater_creds});
});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
done();
@ -417,7 +419,7 @@ describe('client credentials', function() {
call.end();
});
it('should update metadata on a server streaming call', function(done) {
var call = client.serverStream({}, null, {credentials: updater_creds});
var call = client.serverStream({}, {credentials: updater_creds});
call.on('data', function() {});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
@ -425,7 +427,7 @@ describe('client credentials', function() {
});
});
it('should update metadata on a bidi streaming call', function(done) {
var call = client.bidiStream(null, {credentials: updater_creds});
var call = client.bidiStream({credentials: updater_creds});
call.on('data', function() {});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
@ -443,9 +445,10 @@ describe('client credentials', function() {
altMetadataUpdater);
var combined_updater = grpc.credentials.combineCallCredentials(
updater_creds, alt_updater_creds);
var call = client.unary({}, function(err, data) {
var call = client.unary({}, {credentials: combined_updater},
function(err, data) {
assert.ifError(err);
}, null, {credentials: combined_updater});
});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
assert.deepEqual(metadata.get('other_plugin_key'),

42
src/node/test/surface_test.js
Unescape View File

@ -404,18 +404,18 @@ describe('Echo metadata', function() {
server.forceShutdown();
});
it('with unary call', function(done) {
var call = client.unary({}, function(err, data) {
var call = client.unary({}, metadata, function(err, data) {
assert.ifError(err);
}, metadata);
});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('key'), ['value']);
done();
});
});
it('with client stream call', function(done) {
var call = client.clientStream(function(err, data) {
var call = client.clientStream(metadata, function(err, data) {
assert.ifError(err);
}, metadata);
});
call.on('metadata', function(metadata) {
assert.deepEqual(metadata.get('key'), ['value']);
done();
@ -441,8 +441,8 @@ describe('Echo metadata', function() {
});
it('shows the correct user-agent string', function(done) {
var version = require('../../../package.json').version;
var call = client.unary({}, function(err, data) { assert.ifError(err); },
metadata);
var call = client.unary({}, metadata,
function(err, data) { assert.ifError(err); });
call.on('metadata', function(metadata) {
assert(_.startsWith(metadata.get('user-agent')[0],
'grpc-node/' + version));
@ -452,8 +452,8 @@ describe('Echo metadata', function() {
it('properly handles duplicate values', function(done) {
var dup_metadata = metadata.clone();
dup_metadata.add('key', 'value2');
var call = client.unary({}, function(err, data) {assert.ifError(err); },
dup_metadata);
var call = client.unary({}, dup_metadata,
function(err, data) {assert.ifError(err); });
call.on('metadata', function(resp_metadata) {
// Two arrays are equal iff their symmetric difference is empty
assert.deepEqual(_.xor(dup_metadata.get('key'), resp_metadata.get('key')),
@ -954,7 +954,7 @@ describe('Call propagation', function() {
done = multiDone(done, 2);
var call;
proxy_impl.unary = function(parent, callback) {
client.unary(parent.request, function(err, value) {
client.unary(parent.request, {parent: parent}, function(err, value) {
try {
assert(err);
assert.strictEqual(err.code, grpc.status.CANCELLED);
@ -962,7 +962,7 @@ describe('Call propagation', function() {
callback(err, value);
done();
}
}, null, {parent: parent});
});
call.cancel();
};
proxy.addProtoService(test_service, proxy_impl);
@ -976,7 +976,7 @@ describe('Call propagation', function() {
done = multiDone(done, 2);
var call;
proxy_impl.clientStream = function(parent, callback) {
client.clientStream(function(err, value) {
client.clientStream({parent: parent}, function(err, value) {
try {
assert(err);
assert.strictEqual(err.code, grpc.status.CANCELLED);
@ -984,7 +984,7 @@ describe('Call propagation', function() {
callback(err, value);
done();
}
}, null, {parent: parent});
});
call.cancel();
};
proxy.addProtoService(test_service, proxy_impl);
@ -998,8 +998,7 @@ describe('Call propagation', function() {
done = multiDone(done, 2);
var call;
proxy_impl.serverStream = function(parent) {
var child = client.serverStream(parent.request, null,
{parent: parent});
var child = client.serverStream(parent.request, {parent: parent});
child.on('data', function() {});
child.on('error', function(err) {
assert(err);
@ -1023,7 +1022,7 @@ describe('Call propagation', function() {
done = multiDone(done, 2);
var call;
proxy_impl.bidiStream = function(parent) {
var child = client.bidiStream(null, {parent: parent});
var child = client.bidiStream({parent: parent});
child.on('data', function() {});
child.on('error', function(err) {
assert(err);
@ -1051,7 +1050,8 @@ describe('Call propagation', function() {
it('With a client stream call', function(done) {
done = multiDone(done, 2);
proxy_impl.clientStream = function(parent, callback) {
client.clientStream(function(err, value) {
var options = {parent: parent, propagate_flags: deadline_flags};
client.clientStream(options, function(err, value) {
try {
assert(err);
assert(err.code === grpc.status.DEADLINE_EXCEEDED ||
@ -1060,7 +1060,7 @@ describe('Call propagation', function() {
callback(err, value);
done();
}
}, null, {parent: parent, propagate_flags: deadline_flags});
});
};
proxy.addProtoService(test_service, proxy_impl);
var proxy_port = proxy.bind('localhost:0', server_insecure_creds);
@ -1069,15 +1069,15 @@ describe('Call propagation', function() {
grpc.credentials.createInsecure());
var deadline = new Date();
deadline.setSeconds(deadline.getSeconds() + 1);
proxy_client.clientStream(function(err, value) {
proxy_client.clientStream({deadline: deadline}, function(err, value) {
done();
}, null, {deadline: deadline});
});
});
it('With a bidi stream call', function(done) {
done = multiDone(done, 2);
proxy_impl.bidiStream = function(parent) {
var child = client.bidiStream(
null, {parent: parent, propagate_flags: deadline_flags});
{parent: parent, propagate_flags: deadline_flags});
child.on('data', function() {});
child.on('error', function(err) {
assert(err);
@ -1093,7 +1093,7 @@ describe('Call propagation', function() {
grpc.credentials.createInsecure());
var deadline = new Date();
deadline.setSeconds(deadline.getSeconds() + 1);
var call = proxy_client.bidiStream(null, {deadline: deadline});
var call = proxy_client.bidiStream({deadline: deadline});
call.on('data', function() {});
call.on('error', function(err) {
done();

1
templates/package.json.template
Unescape View File

@ -29,6 +29,7 @@
},
"bundledDependencies": ["node-pre-gyp"],
"dependencies": {
"arguejs": "^0.2.3",
"lodash": "^3.9.3",
"nan": "^2.0.0",
"protobufjs": "^4.0.0"

Write Preview
Loading…
Cancel
Save