Merge branch 'master' of https://github.com/grpc/grpc into zookeeper

6 files changed, 1814 insertions, 293 deletions

diff --git a/tools/buildgen/generate_projects-old.sh b/tools/buildgen/generate_projects-old.sh
new file mode 100644
index 0000000000..5399867746
--- /dev/null
+++ b/tools/buildgen/generate_projects-old.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Copyright 2015, 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.
+
+
+set -e
+
+if [ "x$TEST" = "x" ] ; then
+  TEST=false
+fi
+
+
+cd `dirname $0`/../..
+mako_renderer=tools/buildgen/mako_renderer.py
+
+if [ "x$TEST" != "x" ] ; then
+  tools/buildgen/build-cleaner.py build.json
+fi
+
+. tools/buildgen/generate_build_additions.sh
+
+global_plugins=`find ./tools/buildgen/plugins -name '*.py' |
+  sort | grep -v __init__ | awk ' { printf "-p %s ", $0 } '`
+
+for dir in . ; do
+  local_plugins=`find $dir/templates -name '*.py' |
+    sort | grep -v __init__ | awk ' { printf "-p %s ", $0 } '`
+
+  plugins="$global_plugins $local_plugins"
+
+  find -L $dir/templates -type f -and -name *.template | while read file ; do
+    out=${dir}/${file#$dir/templates/}  # strip templates dir prefix
+    out=${out%.*}  # strip template extension
+    echo "generating file: $out"
+    json_files="build.json $gen_build_files"
+    data=`for i in $json_files ; do echo $i ; done | awk ' { printf "-d %s ", $0 } '`
+    if [ "x$TEST" = "xtrue" ] ; then
+      actual_out=$out
+      out=`mktemp /tmp/gentXXXXXX`
+    fi
+    mkdir -p `dirname $out`  # make sure dest directory exist
+    $mako_renderer $plugins $data -o $out $file
+    if [ "x$TEST" = "xtrue" ] ; then
+      diff -q $out $actual_out
+      rm $out
+    fi
+  done
+done
+
+rm $gen_build_files
diff --git a/tools/buildgen/plugins/generate_vsprojects.py b/tools/buildgen/plugins/generate_vsprojects.py
index 150e72e0b2..413056fe89 100755
--- a/tools/buildgen/plugins/generate_vsprojects.py
+++ b/tools/buildgen/plugins/generate_vsprojects.py
@@ -70,7 +70,7 @@ def mako_plugin(dictionary):
                 if project.get('vs_project_guid', None)]
 
   projects = [project for project in projects
-                if project['language'] != 'c++' or project['build'] == 'all' or project['build'] == 'protoc']
+                if project['language'] != 'c++' or project['build'] == 'all' or project['build'] == 'protoc' or (project['language'] == 'c++' and  (project['build'] == 'test' or project['build'] == 'private'))]
 
   project_dict = dict([(p['name'], p) for p in projects])
 
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 3e578c171b..a5d8d9b528 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -978,6 +978,7 @@ src/core/surface/call.c \
 src/core/surface/call_details.c \
 src/core/surface/call_log_batch.c \
 src/core/surface/channel.c \
+src/core/surface/channel_connectivity.c \
 src/core/surface/channel_create.c \
 src/core/surface/completion_queue.c \
 src/core/surface/event_string.c \
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 1f44fc34fa..77cc02a087 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -346,7 +346,7 @@ _CONFIGS = {
     'dbg': SimpleConfig('dbg'),
     'opt': SimpleConfig('opt'),
     'tsan': SimpleConfig('tsan', environ={
-        'TSAN_OPTIONS': 'suppressions=tools/tsan_suppressions.txt:halt_on_error=1'}),
+        'TSAN_OPTIONS': 'suppressions=tools/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1'}),
     'msan': SimpleConfig('msan'),
     'ubsan': SimpleConfig('ubsan'),
     'asan': SimpleConfig('asan', environ={
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 965dbb68d8..601caae3ba 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1743,6 +1743,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fake_security", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fake_security_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fake_security", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -2208,6 +2223,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -2673,6 +2703,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_compression", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_compression_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_compression", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -3138,6 +3183,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_uds_posix", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -3497,6 +3557,486 @@
   {
     "deps": [
       "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_bad_hostname", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept_and_writes_closed", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_before_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_in_a_vacuum", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_census_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_disappearing_server", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_inflight_calls", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_tags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_empty_batch", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_graceful_server_shutdown", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_invoke_large_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_concurrent_streams", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_message_length", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_no_op", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_no_op_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_ping_pong_streaming", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_registered_call", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_binary_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_payload_and_call_creds", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_and_call_creds_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_trailing_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_compressed_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_flags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_large_metadata", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_server_finishes_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_delayed_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request_with_high_initial_sequence_number", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_bad_hostname", 
       "gpr", 
@@ -3603,6 +4143,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_with_poll_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -4068,6 +4623,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_simple_ssl_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_simple_ssl_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -4533,6 +5103,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_simple_ssl_fullstack_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_with_poll_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_simple_ssl_fullstack_with_poll", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -4998,6 +5583,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -5463,21 +6063,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_disappearing_server_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -5778,21 +6363,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_simple_delayed_request_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -5928,21 +6498,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -6243,21 +6798,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -6393,21 +6933,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_disappearing_server_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -6708,21 +7233,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -6850,6 +7360,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -7270,6 +7794,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack_compression", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_compression_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_compression", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -7690,6 +8228,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack_uds_posix", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -8011,6 +8563,440 @@
   }, 
   {
     "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_bad_hostname", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept_and_writes_closed", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_before_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_in_a_vacuum", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_census_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_disappearing_server", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_inflight_calls", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_tags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_empty_batch", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_graceful_server_shutdown", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_invoke_large_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_concurrent_streams", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_message_length", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_no_op", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_no_op_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_ping_pong_streaming", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_registered_call", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_binary_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_trailing_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_compressed_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_flags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_large_metadata", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_server_finishes_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_delayed_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request_with_high_initial_sequence_number", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
       "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_bad_hostname", 
       "gpr", 
@@ -8110,6 +9096,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_with_poll_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -8530,20 +9530,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_disappearing_server_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -8810,20 +9796,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_simple_delayed_request_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -8950,20 +9922,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -9230,20 +10188,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -9370,20 +10314,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -9650,20 +10580,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -10162,6 +11078,7 @@
       "src/core/surface/call_log_batch.c", 
       "src/core/surface/channel.c", 
       "src/core/surface/channel.h", 
+      "src/core/surface/channel_connectivity.c", 
       "src/core/surface/channel_create.c", 
       "src/core/surface/completion_queue.c", 
       "src/core/surface/completion_queue.h", 
@@ -10577,6 +11494,7 @@
       "src/core/surface/call_log_batch.c", 
       "src/core/surface/channel.c", 
       "src/core/surface/channel.h", 
+      "src/core/surface/channel_connectivity.c", 
       "src/core/surface/channel_create.c", 
       "src/core/surface/completion_queue.c", 
       "src/core/surface/completion_queue.h", 
@@ -11261,6 +12179,23 @@
       "test/core/end2end/end2end_tests.h"
     ], 
     "language": "c", 
+    "name": "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/fixtures/chttp2_fullstack_uds_posix_with_poll.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h"
+    ], 
+    "language": "c", 
     "name": "end2end_fixture_chttp2_fullstack_with_poll", 
     "src": [
       "test/core/end2end/end2end_tests.h", 
@@ -11517,6 +12452,25 @@
       "test/core/end2end/tests/cancel_test_helpers.h"
     ], 
     "language": "c", 
+    "name": "end2end_test_channel_connectivity", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/channel_connectivity.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h"
+    ], 
+    "language": "c", 
     "name": "end2end_test_disappearing_server", 
     "src": [
       "test/core/end2end/end2end_tests.h", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index b8a074534f..a4b910eec5 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -590,7 +590,6 @@
     "language": "c++", 
     "name": "async_streaming_ping_pong_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -599,7 +598,6 @@
     "language": "c++", 
     "name": "async_unary_ping_pong_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -635,7 +633,6 @@
     "language": "c++", 
     "name": "client_crash_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -716,7 +713,6 @@
     "language": "c++", 
     "name": "interop_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -734,7 +730,6 @@
     "language": "c++", 
     "name": "qps_openloop_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -743,7 +738,6 @@
     "language": "c++", 
     "name": "qps_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -761,7 +755,6 @@
     "language": "c++", 
     "name": "server_crash_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -779,7 +772,6 @@
     "language": "c++", 
     "name": "sync_streaming_ping_pong_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -788,7 +780,6 @@
     "language": "c++", 
     "name": "sync_unary_ping_pong_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -867,6 +858,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fake_security_channel_connectivity_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fake_security_disappearing_server_test", 
     "platforms": [
       "windows", 
@@ -1146,6 +1146,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_channel_connectivity_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_disappearing_server_test", 
     "platforms": [
       "windows", 
@@ -1425,6 +1434,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_compression_channel_connectivity_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_compression_disappearing_server_test", 
     "platforms": [
       "windows", 
@@ -1697,6 +1715,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_channel_connectivity_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_uds_posix_disappearing_server_test", 
     "platforms": [
       "posix"
@@ -1889,6 +1915,262 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_no_op_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_and_call_creds_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_with_poll_bad_hostname_test", 
     "platforms": [
       "posix"
@@ -1945,6 +2227,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_with_poll_channel_connectivity_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_with_poll_disappearing_server_test", 
     "platforms": [
       "posix"
@@ -2200,6 +2490,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_channel_connectivity_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_disappearing_server_test", 
     "platforms": [
       "windows", 
@@ -2472,6 +2771,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_with_poll_channel_connectivity_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_simple_ssl_fullstack_with_poll_disappearing_server_test", 
     "platforms": [
       "posix"
@@ -2727,6 +3034,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_channel_connectivity_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test", 
     "platforms": [
       "windows", 
@@ -3006,15 +3322,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_disappearing_server_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
       "windows", 
@@ -3195,15 +3502,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_simple_delayed_request_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_simple_request_test", 
     "platforms": [
       "windows", 
@@ -3285,15 +3583,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
       "windows", 
@@ -3474,15 +3763,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_test", 
     "platforms": [
       "windows", 
@@ -3564,15 +3844,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_disappearing_server_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test", 
     "platforms": [
       "windows", 
@@ -3753,15 +4024,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_test", 
     "platforms": [
       "windows", 
@@ -3843,6 +4105,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_channel_connectivity_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_disappearing_server_unsecure_test", 
     "platforms": [
       "windows", 
@@ -4113,6 +4384,15 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_compression_channel_connectivity_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_compression_disappearing_server_unsecure_test", 
     "platforms": [
       "windows", 
@@ -4376,6 +4656,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_channel_connectivity_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_uds_posix_disappearing_server_unsecure_test", 
     "platforms": [
       "posix"
@@ -4560,6 +4848,254 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": true, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_no_op_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_with_poll_bad_hostname_unsecure_test", 
     "platforms": [
       "posix"
@@ -4616,6 +5152,14 @@
   {
     "flaky": false, 
     "language": "c", 
+    "name": "chttp2_fullstack_with_poll_channel_connectivity_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
+    "language": "c", 
     "name": "chttp2_fullstack_with_poll_disappearing_server_unsecure_test", 
     "platforms": [
       "posix"
@@ -4863,15 +5407,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_disappearing_server_unsecure_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
       "windows", 
@@ -5043,15 +5578,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_simple_delayed_request_unsecure_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_simple_request_unsecure_test", 
     "platforms": [
       "windows", 
@@ -5133,15 +5659,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
       "windows", 
@@ -5313,15 +5830,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test", 
     "platforms": [
       "windows", 
@@ -5403,15 +5911,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
     "platforms": [
       "windows", 
@@ -5583,15 +6082,6 @@
   {
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test", 
-    "platforms": [
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "flaky": false, 
-    "language": "c", 
     "name": "chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test", 
     "platforms": [
       "windows",