summaryrefslogtreecommitdiffstats
path: root/collectors/python.d.plugin/python_modules/urllib3/util/wait.py
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:22:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:22:31 +0000
commit8d4f58e49b9dc7d3545651023a36729de773ad86 (patch)
tree7bc7be4a8e9e298daa1349348400aa2a653866f2 /collectors/python.d.plugin/python_modules/urllib3/util/wait.py
parentInitial commit. (diff)
downloadnetdata-8d4f58e49b9dc7d3545651023a36729de773ad86.tar.xz
netdata-8d4f58e49b9dc7d3545651023a36729de773ad86.zip
Adding upstream version 1.12.0.upstream/1.12.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--collectors/python.d.plugin/python_modules/urllib3/util/wait.py41
1 files changed, 41 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/wait.py b/collectors/python.d.plugin/python_modules/urllib3/util/wait.py
new file mode 100644
index 0000000..21e7297
--- /dev/null
+++ b/collectors/python.d.plugin/python_modules/urllib3/util/wait.py
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: MIT
+from .selectors import (
+ HAS_SELECT,
+ DefaultSelector,
+ EVENT_READ,
+ EVENT_WRITE
+)
+
+
+def _wait_for_io_events(socks, events, timeout=None):
+ """ Waits for IO events to be available from a list of sockets
+ or optionally a single socket if passed in. Returns a list of
+ sockets that can be interacted with immediately. """
+ if not HAS_SELECT:
+ raise ValueError('Platform does not have a selector')
+ if not isinstance(socks, list):
+ # Probably just a single socket.
+ if hasattr(socks, "fileno"):
+ socks = [socks]
+ # Otherwise it might be a non-list iterable.
+ else:
+ socks = list(socks)
+ with DefaultSelector() as selector:
+ for sock in socks:
+ selector.register(sock, events)
+ return [key[0].fileobj for key in
+ selector.select(timeout) if key[1] & events]
+
+
+def wait_for_read(socks, timeout=None):
+ """ Waits for reading to be available from a list of sockets
+ or optionally a single socket if passed in. Returns a list of
+ sockets that can be read from immediately. """
+ return _wait_for_io_events(socks, EVENT_READ, timeout)
+
+
+def wait_for_write(socks, timeout=None):
+ """ Waits for writing to be available from a list of sockets
+ or optionally a single socket if passed in. Returns a list of
+ sockets that can be written to immediately. """
+ return _wait_for_io_events(socks, EVENT_WRITE, timeout)