From patchwork Sun Jun 10 12:05:58 2018
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Subject: [v1,1/4] fff-macnock: new package
From: Tim Niemeyer <tim@tn-x.org>
X-Patchwork-Id: 850
Message-Id: <20180610120601.21151-2-tim@tn-x.org>
To: franken-dev@freifunk.net
Date: Sun, 10 Jun 2018 14:05:58 +0200

Fixes #68

Signed-off-by: Tim Niemeyer <tim@tn-x.org>
Acked-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
---

Changes in v1:
- change repo URL to FreifunkFranken Repo
- macnock is started w/o hood (instead mac is used)
- use quotes
- add depends to fff-network

 src/packages/fff/fff-hoods/Makefile                |  2 +-
 src/packages/fff/fff-macnock/Makefile              | 40 ++++++++++++++
 .../fff/fff-macnock/files/etc/init.d/macnock       | 64 ++++++++++++++++++++++
 .../files/etc/uci-defaults/52-fff-macnock          |  6 ++
 4 files changed, 111 insertions(+), 1 deletion(-)
 create mode 100644 src/packages/fff/fff-macnock/Makefile
 create mode 100755 src/packages/fff/fff-macnock/files/etc/init.d/macnock
 create mode 100644 src/packages/fff/fff-macnock/files/etc/uci-defaults/52-fff-macnock

diff --git a/src/packages/fff/fff-hoods/Makefile b/src/packages/fff/fff-hoods/Makefile
index f36d268..b565ac7 100644
--- a/src/packages/fff/fff-hoods/Makefile
+++ b/src/packages/fff/fff-hoods/Makefile
@@ -13,7 +13,7 @@ define Package/$(PKG_NAME)
     CATEGORY:=Freifunk
     TITLE:= Freifunk-Franken hoods
     URL:=http://www.freifunk-franken.de
-    DEPENDS:=+fff-hoodutils
+    DEPENDS:=+fff-hoodutils +fff-macnock
 endef
 
 define Package/$(PKG_NAME)/description
diff --git a/src/packages/fff/fff-macnock/Makefile b/src/packages/fff/fff-macnock/Makefile
new file mode 100644
index 0000000..359c45d
--- /dev/null
+++ b/src/packages/fff/fff-macnock/Makefile
@@ -0,0 +1,40 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=fff-macnock
+PKG_VERSION:=0.1
+PKG_RELEASE:=1
+PKG_REV:=ffd1a64515709d75afaab0f990308fd164dc4cc6
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=https://github.com/FreifunkFranken/macnocker.git
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=$(PKG_REV)
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+CMAKE_OPTIONS:=-DMACNOCK_DEBUG=ON
+
+define Package/$(PKG_NAME)
+    SECTION:=base
+    CATEGORY:=Freifunk
+    TITLE:= Freifunk-Franken mac nocker
+    URL:=http://www.freifunk-franken.de
+    KCONFIG:= \
+        CONFIG_NET_EMATCH=y \
+        CONFIG_NET_EMATCH_U32=y \
+        CONFIG_NET_CLS_BASIC=y \
+        CONFIG_NET_CLS_ACT=y \
+        CONFIG_NET_ACT_GACT=y \
+        CONFIG_NET_CLS_U32=y
+    DEPENDS:=+fff-network
+endef
+
+define Package/$(PKG_NAME)/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/macnock $(1)/usr/sbin/macnock
+	$(CP) ./files/* $(1)/
+endef
+
+$(eval $(call BuildPackage,$(PKG_NAME)))
diff --git a/src/packages/fff/fff-macnock/files/etc/init.d/macnock b/src/packages/fff/fff-macnock/files/etc/init.d/macnock
new file mode 100755
index 0000000..41fc9f1
--- /dev/null
+++ b/src/packages/fff/fff-macnock/files/etc/init.d/macnock
@@ -0,0 +1,64 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+
+USE_PROCD=1
+PROCD_DEBUG=9
+
+validate_hood_section() {
+    if [ -z "$(uci -q get network.ethmesh.ifname)" ]; then
+        # false
+        return 1
+    fi
+
+    if [ -n "$(uci -q get system.@system[0].hood)" -o -n "$(uci -q get network.mesh.macaddr)" ]; then
+        # true
+        return 0
+    fi
+
+    # false
+    return 1
+}
+
+service_triggers()
+{
+    local script name
+
+    script=$(readlink -f "$initscript")
+    name=$(basename ${script:-$initscript})
+
+    procd_add_config_trigger "config.change" "system" /etc/init.d/$name reload
+    procd_add_interface_trigger "interface.*" "ethmesh" /etc/init.d/$name reload
+    procd_add_validation validate_hood_section
+}
+
+reload_service()
+{
+    echo "Explicitly restarting macnocker"
+    stop
+    start
+}
+
+start_service() {
+    validate_hood_section || {
+        echo "validation failed"
+        return 1
+    }
+
+
+    local IFACE="$(uci -q get network.ethmesh.ifname)"
+    local HOOD="$(uci -q get system.@system[0].hood)"
+    if [ -z "$HOOD" ]; then
+        HOOD="$(uci -q get network.mesh.macaddr)"
+    fi
+
+    procd_open_instance macnock
+    procd_set_param command /usr/sbin/macnock $IFACE $HOOD
+    procd_set_param respawn 10 10 0
+    procd_set_param file /etc/config/system
+    procd_set_param netdev $IFACE
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_set_param user root
+    procd_close_instance
+}
diff --git a/src/packages/fff/fff-macnock/files/etc/uci-defaults/52-fff-macnock b/src/packages/fff/fff-macnock/files/etc/uci-defaults/52-fff-macnock
new file mode 100644
index 0000000..5c0b788
--- /dev/null
+++ b/src/packages/fff/fff-macnock/files/etc/uci-defaults/52-fff-macnock
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+if ! grep -q u32 /etc/iproute2/ematch_map;
+then
+    echo "3 u32" > /etc/iproute2/ematch_map
+fi