diff options
Diffstat (limited to 'src/node/src/client.js')
-rw-r--r-- | src/node/src/client.js | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/node/src/client.js b/src/node/src/client.js index 9c1562e8b8..134ef239c2 100644 --- a/src/node/src/client.js +++ b/src/node/src/client.js @@ -99,7 +99,18 @@ function ClientWritableStream(call, serialize) { function _write(chunk, encoding, callback) { /* jshint validthis: true */ var batch = {}; - var message = this.serialize(chunk); + var message; + try { + message = this.serialize(chunk); + } catch (e) { + /* Sending this error to the server and emitting it immediately on the + client may put the call in a slightly weird state on the client side, + but passing an object that causes a serialization failure is a misuse + of the API anyway, so that's OK. The primary purpose here is to give the + programmer a useful error and to stop the stream properly */ + this.call.cancelWithStatus(grpc.status.INTERNAL, "Serialization failure"); + callback(e); + } if (_.isFinite(encoding)) { /* Attach the encoding if it is a finite number. This is the closest we * can get to checking that it is valid flags */ @@ -184,14 +195,15 @@ function _emitStatusIfDone() { } else { status = this.received_status; } - this.emit('status', status); - if (status.code !== grpc.status.OK) { + if (status.code === grpc.status.OK) { + this.push(null); + } else { var error = new Error(status.details); error.code = status.code; error.metadata = status.metadata; this.emit('error', error); - return; } + this.emit('status', status); } } @@ -224,9 +236,11 @@ function _read(size) { } catch (e) { self._readsDone({code: grpc.status.INTERNAL, details: 'Failed to parse server response'}); + return; } if (data === null) { self._readsDone(); + return; } if (self.push(deserialized) && data !== null) { var read_batch = {}; @@ -396,6 +410,8 @@ function makeUnaryRequestFunction(method, serialize, deserialize) { var status = response.status; var error; var deserialized; + emitter.emit('metadata', Metadata._fromCoreRepresentation( + response.metadata)); if (status.code === grpc.status.OK) { if (err) { // Got a batch error, but OK status. Something went wrong @@ -423,8 +439,6 @@ function makeUnaryRequestFunction(method, serialize, deserialize) { args.callback(null, deserialized); } emitter.emit('status', status); - emitter.emit('metadata', Metadata._fromCoreRepresentation( - response.metadata)); }); return emitter; } |