neocturne/gmrf-babel
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Move send functions to a new source file

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This commit is contained in:
Matthias Schiffer 2013-03-20 00:36:31 +01:00
parent b7ad864ec8
commit de428f0b8f
4 changed files with 82 additions and 44 deletions
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1
src/CMakeLists.txt
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@ -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
)

45
src/babel.c
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@ -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) {

1
src/babel.h
View file

@ -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_ */

79
src/send.c Normal file
View file

@ -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));
}
}