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-rw-r--r--src/CMakeLists.txt1
-rw-r--r--src/babel.c45
-rw-r--r--src/babel.h1
-rw-r--r--src/send.c79
4 files changed, 82 insertions, 44 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b0d880b..b962f38 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,6 +3,7 @@ include_directories(${GMRF_INCLUDE_DIR})
add_library(mmss_proto_babel MODULE
babel.c
neigh.c
+ send.c
tlv.c
tlv_types.c
)
diff --git a/src/babel.c b/src/babel.c
index 91cd97b..9ae6ff7 100644
--- a/src/babel.c
+++ b/src/babel.c
@@ -27,8 +27,6 @@
#include "babel.h"
#include "neigh.h"
#include "packet.h"
-#include "tlv.h"
-#include "tlv_types.h"
#include <stdlib.h>
@@ -37,51 +35,10 @@ const char *gmrf_protocol_name = "babel";
const char *gmrf_protocol_version = "experimental";
-static void add_ihus(gmrf_t *gmrf, gp_babel_packet_t *packet, size_t max_len, const gp_babel_iface_t *iface) {
- const gp_babel_neigh_t *neigh;
-
- for (neigh = iface->neighbours; neigh; neigh = neigh->next) {
- gp_babel_tlv_ihu_t *ihu = gp_babel_tlv_add(packet, GP_BABEL_PACKET_MAX, TLV_IHU, sizeof(gp_babel_tlv_ihu_t)+sizeof(gmrf_addr_t));
- if (!ihu)
- return;
-
- ihu->ae = ADDR_ENC_GMRF;
- ihu->reserved = 0;
- ihu->rxcost = htons(gp_babel_neigh_get_rxcost(gmrf, neigh));
- ihu->interval = htons(GP_BABEL_IHU_INTERVAL);
- memcpy(ihu->address, &neigh->addr, sizeof(gmrf_addr_t));
- }
-}
-
static void send_hellos(gmrf_t *gmrf, gmrf_context_t *ctx, void *arg) {
gmrf_schedule(gmrf, send_hellos, NULL, GP_BABEL_HELLO_INTERVAL*10);
- gmrf_logf(gmrf, LOG_DEBUG, "sending hellos...");
-
- gp_babel_packet_t *packet = alloca(sizeof(gp_babel_packet_t)+GP_BABEL_PACKET_MAX);
-
- packet->version = htons(GP_BABEL_VERSION);
- packet->len = 0;
-
- gp_babel_tlv_hello_t *hello = gp_babel_tlv_add(packet, GP_BABEL_PACKET_MAX, TLV_HELLO, sizeof(gp_babel_tlv_hello_t));
- if (!hello)
- return;
-
- hello->reserved = 0;
- hello->interval = htons(GP_BABEL_HELLO_INTERVAL);
-
- uint16_t len = packet->len;
-
- gp_babel_iface_t *iface;
- for (iface = ctx->interfaces; iface; iface = iface->next) {
- hello->seqno = htons(iface->seqno++);
-
- packet->len = len;
-
- add_ihus(gmrf, packet, GP_BABEL_PACKET_MAX, iface);
-
- gmrf_iface_send_bc(gmrf, iface->gmrf_iface, packet, gp_babel_packet_size(packet));
- }
+ gp_babel_send_hellos(gmrf, ctx);
}
static void maintenance(gmrf_t *gmrf, gmrf_context_t *ctx, void *arg) {
diff --git a/src/babel.h b/src/babel.h
index bd044ff..d6224ff 100644
--- a/src/babel.h
+++ b/src/babel.h
@@ -87,5 +87,6 @@ static inline gp_babel_iface_t* gp_babel_get_iface(gmrf_context_t *ctx, gmrf_ifa
void gp_babel_handle_packet(gmrf_t *gmrf, gmrf_context_t *ctx, gp_babel_iface_t *iface, const gmrf_addr_t *source, const gp_babel_packet_t *packet);
+void gp_babel_send_hellos(gmrf_t *gmrf, gmrf_context_t *ctx);
#endif /* _GMRF_PROTO_BABEL_BABEL_H_ */
diff --git a/src/send.c b/src/send.c
new file mode 100644
index 0000000..5f06218
--- /dev/null
+++ b/src/send.c
@@ -0,0 +1,79 @@
+/*
+ Copyright (c) 2013, Matthias Schiffer <mschiffer@universe-factory.net>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ 2. 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.
+
+ 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 HOLDER 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.
+*/
+
+
+#include "babel.h"
+#include "neigh.h"
+#include "packet.h"
+#include "tlv.h"
+#include "tlv_types.h"
+
+#include <alloca.h>
+
+
+static void add_ihus(gmrf_t *gmrf, gp_babel_packet_t *packet, size_t max_len, const gp_babel_iface_t *iface) {
+ const gp_babel_neigh_t *neigh;
+
+ for (neigh = iface->neighbours; neigh; neigh = neigh->next) {
+ gp_babel_tlv_ihu_t *ihu = gp_babel_tlv_add(packet, GP_BABEL_PACKET_MAX, TLV_IHU, sizeof(gp_babel_tlv_ihu_t)+sizeof(gmrf_addr_t));
+ if (!ihu)
+ return;
+
+ ihu->ae = ADDR_ENC_GMRF;
+ ihu->reserved = 0;
+ ihu->rxcost = htons(gp_babel_neigh_get_rxcost(gmrf, neigh));
+ ihu->interval = htons(GP_BABEL_IHU_INTERVAL);
+ memcpy(ihu->address, &neigh->addr, sizeof(gmrf_addr_t));
+ }
+}
+
+void gp_babel_send_hellos(gmrf_t *gmrf, gmrf_context_t *ctx) {
+ gmrf_logf(gmrf, LOG_DEBUG, "sending hellos...");
+
+ gp_babel_packet_t *packet = alloca(sizeof(gp_babel_packet_t)+GP_BABEL_PACKET_MAX);
+
+ packet->version = htons(GP_BABEL_VERSION);
+ packet->len = 0;
+
+ gp_babel_tlv_hello_t *hello = gp_babel_tlv_add(packet, GP_BABEL_PACKET_MAX, TLV_HELLO, sizeof(gp_babel_tlv_hello_t));
+ if (!hello)
+ return;
+
+ hello->reserved = 0;
+ hello->interval = htons(GP_BABEL_HELLO_INTERVAL);
+
+ uint16_t len = packet->len;
+
+ gp_babel_iface_t *iface;
+ for (iface = ctx->interfaces; iface; iface = iface->next) {
+ hello->seqno = htons(iface->seqno++);
+
+ packet->len = len;
+
+ add_ihus(gmrf, packet, GP_BABEL_PACKET_MAX, iface);
+
+ gmrf_iface_send_bc(gmrf, iface->gmrf_iface, packet, gp_babel_packet_size(packet));
+ }
+}