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| author | Richard van der Hoff <1389908+richvdh@users.noreply.github.com> | 2018-08-17 14:58:45 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-08-17 14:58:45 +0100 |
| commit | 63260397c6ab6925da0ba3bd24d398001cd8208b (patch) | |
| tree | 3ef57e48328cd2364afee5810f83d550e0304f8a /synapse/http/server.py | |
| parent | Merge pull request #3700 from matrix-org/rav/wait_for_producers (diff) | |
| parent | changelog (diff) | |
| download | synapse-63260397c6ab6925da0ba3bd24d398001cd8208b.tar.xz | |
Merge pull request #3701 from matrix-org/rav/use_producer_for_responses
Use a producer to stream back responses
Diffstat (limited to 'synapse/http/server.py')
| -rw-r--r-- | synapse/http/server.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py index 4e4c02e170..2d5c23e673 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -27,6 +27,7 @@ from twisted.internet import defer from twisted.python import failure from twisted.web import resource from twisted.web.server import NOT_DONE_YET +from twisted.web.static import NoRangeStaticProducer from twisted.web.util import redirectTo import synapse.events @@ -40,6 +41,11 @@ from synapse.api.errors import ( from synapse.util.caches import intern_dict from synapse.util.logcontext import preserve_fn +if PY3: + from io import BytesIO +else: + from cStringIO import StringIO as BytesIO + logger = logging.getLogger(__name__) HTML_ERROR_TEMPLATE = """<!DOCTYPE html> @@ -389,8 +395,7 @@ def respond_with_json(request, code, json_object, send_cors=False, return if pretty_print: - json_bytes = (encode_pretty_printed_json(json_object) + "\n" - ).encode("utf-8") + json_bytes = encode_pretty_printed_json(json_object) + b"\n" else: if canonical_json or synapse.events.USE_FROZEN_DICTS: # canonicaljson already encodes to bytes @@ -426,8 +431,12 @@ def respond_with_json_bytes(request, code, json_bytes, send_cors=False, if send_cors: set_cors_headers(request) - request.write(json_bytes) - finish_request(request) + # todo: we can almost certainly avoid this copy and encode the json straight into + # the bytesIO, but it would involve faffing around with string->bytes wrappers. + bytes_io = BytesIO(json_bytes) + + producer = NoRangeStaticProducer(request, bytes_io) + producer.start() return NOT_DONE_YET |