avoid EBADF with certain middlewares when proxying

First off we use an FD_MAP to avoid creating redundant IO
objects which map to the same FD.  When that doesn't work, we'll
fall back to trapping Errno::EBADF and IOError where
appropriate.

1 files changed, 101 insertions, 0 deletions

diff --git a/t/t0032-close-pipe-to_path-response.sh b/t/t0032-close-pipe-to_path-response.sh
new file mode 100755
index 0000000..e3d8f1b
--- /dev/null
+++ b/t/t0032-close-pipe-to_path-response.sh
@@ -0,0 +1,101 @@
+#!/bin/sh
+. ./test-lib.sh
+if ! test -d /dev/fd
+then
+        t_info "skipping $T since /dev/fd is required"
+        exit 0
+fi
+
+t_plan 16 "close pipe to_path response for $model"
+
+t_begin "setup and startup" && {
+        rtmpfiles err out http_fifo sub_ok
+        rainbows_setup $model
+        export fifo
+        rainbows -E none -D close-pipe-to_path-response.ru -c $unicorn_config
+        rainbows_wait_start
+}
+
+t_begin "read random blob sha1" && {
+        random_blob_sha1=$(rsha1 < random_blob)
+}
+
+t_begin "start FIFO reader" && {
+        cat $fifo > $out &
+}
+
+t_begin "single request matches" && {
+        sha1=$(curl -sSfv 2> $err http://$listen/ | rsha1)
+        test -n "$sha1"
+        test x"$sha1" = x"$random_blob_sha1"
+}
+
+t_begin "body.close called" && {
+        wait # for cat $fifo
+        grep CLOSING $out || die "body.close not logged"
+}
+
+t_begin "start FIFO reader for abortive HTTP/1.1 request" && {
+        cat $fifo > $out &
+}
+
+t_begin "send abortive HTTP/1.1 request" && {
+        rm -f $ok
+        (
+                printf 'GET /random_blob HTTP/1.1\r\nHost: example.com\r\n\r\n'
+                dd bs=4096 count=1 < $http_fifo >/dev/null
+                echo ok > $ok
+        ) | socat - TCP:$listen > $http_fifo || :
+        test xok = x$(cat $ok)
+}
+
+t_begin "body.close called for aborted HTTP/1.1 request" && {
+        wait # for cat $fifo
+        grep CLOSING $out || die "body.close not logged"
+}
+
+t_begin "start FIFO reader for abortive HTTP/1.0 request" && {
+        cat $fifo > $out &
+}
+
+t_begin "send abortive HTTP/1.0 request" && {
+        rm -f $ok
+        (
+                printf 'GET /random_blob HTTP/1.0\r\n\r\n'
+                dd bs=4096 count=1 < $http_fifo >/dev/null
+                echo ok > $ok
+        ) | socat - TCP:$listen > $http_fifo || :
+        test xok = x$(cat $ok)
+}
+
+t_begin "body.close called for aborted HTTP/1.0 request" && {
+        wait # for cat $fifo
+        grep CLOSING $out || die "body.close not logged"
+}
+
+t_begin "start FIFO reader for abortive HTTP/0.9 request" && {
+        cat $fifo > $out &
+}
+
+t_begin "send abortive HTTP/0.9 request" && {
+        rm -f $ok
+        (
+                printf 'GET /random_blob\r\n'
+                dd bs=4096 count=1 < $http_fifo >/dev/null
+                echo ok > $ok
+        ) | socat - TCP:$listen > $http_fifo || :
+        test xok = x$(cat $ok)
+}
+
+t_begin "body.close called for aborted HTTP/0.9 request" && {
+        wait # for cat $fifo
+        grep CLOSING $out || die "body.close not logged"
+}
+
+t_begin "shutdown server" && {
+        kill -QUIT $rainbows_pid
+}
+
+t_begin "check stderr" && check_stderr
+
+t_done