Patched iep to avoid kernel SYN_flood false positive problem: iep-3.7-2

3 files changed, 39 insertions, 4 deletions

diff --git a/.SRCINFO b/.SRCINFO
index d127e812bdd0..fa334de295d2 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,7 +1,7 @@
 pkgbase = iep
 	pkgdesc = Pronounced as 'eep'is a cross-platform Python IDE focused on interactivity and introspection, which makes it very suitable for scientific computing. Its practical design is aimed at simplicity and efficiency.
 	pkgver = 3.7
-	pkgrel = 1
+	pkgrel = 2
 	url = http://iep-project.org
 	arch = any
 	license = BSD
@@ -10,7 +10,9 @@ pkgbase = iep
 	optdepends = python-pyqt4: At least one qt4 python bindings should be installed
 	optdepends = python-pyside: At lease one qt4 python bindings should be installed
 	source = http://bitbucket.org/iep-project/iep/downloads/iep-3.7.source.zip
+	source = SYN_flood.patch
 	sha1sums = 4c5251813934f876b8aca6f213e5ff36686174c4
+	sha1sums = 037799e6b50934e1fca169af90fddc2f47799cc9
 
 pkgname = iep
 
diff --git a/PKGBUILD b/PKGBUILD
index 1fd7a4ea7abb..890a424482b2 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 #Contributor: Hector Mtz-Seara <hseara.#at#.gmail*.*com>
 pkgname=iep
 pkgver=3.7
-pkgrel=1
+pkgrel=2
 pkgdesc="Pronounced as 'eep'is a cross-platform Python IDE focused on interactivity and introspection, which makes it very suitable for scientific computing. Its practical design is aimed at simplicity and efficiency."
 url="http://iep-project.org"
 license=("BSD")
@@ -14,8 +14,16 @@ optdepends=(
 makedepends=('python-setuptools')
 
 
-source=("http://bitbucket.org/iep-project/iep/downloads/iep-${pkgver}.source.zip")
-sha1sums=('4c5251813934f876b8aca6f213e5ff36686174c4')
+source=("http://bitbucket.org/iep-project/iep/downloads/iep-${pkgver}.source.zip"
+        "SYN_flood.patch")
+
+sha1sums=('4c5251813934f876b8aca6f213e5ff36686174c4'
+          '037799e6b50934e1fca169af90fddc2f47799cc9')
+prepare(){
+  cp SYN_flood.patch ${srcdir}/${pkgname}-${pkgver}/iep/yoton
+  cd "${srcdir}/${pkgname}-${pkgver}"/iep/yoton
+  patch connection_tcp.py < SYN_flood.patch
+}
 
 build(){
   cd "${srcdir}/${pkgname}-${pkgver}"
diff --git a/SYN_flood.patch b/SYN_flood.patch
new file mode 100644
index 000000000000..40192ae17d75
--- /dev/null
+++ b/SYN_flood.patch
@@ -0,0 +1,25 @@
+From f54d1707ed6cbdfe8bd33dc9a49d9a20e2f684b7 Mon Sep 17 00:00:00 2001
+From: Almar Klein <almar.klein@gmail.com>
+Date: Tue, 15 Mar 2016 11:35:44 +0100
+Subject: [PATCH] fix slowness on new Linux kernel. issue #381
+
+---
+ pyzo/yoton/connection_tcp.py | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/pyzo/yoton/connection_tcp.py b/pyzo/yoton/connection_tcp.py
+index dc3a279..e8725fd 100644
+--- a/pyzo/yoton/connection_tcp.py
++++ b/pyzo/yoton/connection_tcp.py
+@@ -180,8 +180,9 @@ def _bind(self, hostname, port, max_tries=1):
+             tmp = "Could not bind to any of the " + tmp + " ports tried."
+             raise IOError(tmp)
+         
+-        # Tell the socket it is a host, backlog of zero
+-        s.listen(0)
++        # Tell the socket it is a host. Backlog of at least 1 to avoid linux 
++        # kernel from detecting SYN flood and throttling the connection (#381)
++        s.listen(1)
+         
+         # Set connected (status 1: waiting for connection)
+         # Will be called with status 2 by the hostThread on success