void pim_interface::handle_join_source(group *grp, const inet6_addr &src, uint32_t holdtime, bool rpt) {
if (!grp)
return;
pim_group_node *node = (pim_group_node *)grp->node_owned_by(pim);
if (!node)
return;
pim_source_state_base *state = node->get_state(src, rpt);
if (!state) {
/// 3.2.2.2
/* If we don't have a state for G, as it is a join, downstream
* wanted to revert Prune to Join, which doesnt make sense here. */
if (rpt)
return;
node->create_state(src, rpt, owner(), false, holdtime);
// if (pimrouter->mrib().rpf_check(node, src, owner()))
// node->create_state(src, owner(), false, holdtime);
// else
// g_mrd->log().debug() << "Downstream Join failed: RPF check failed." << endl;
}
handle_join(node, src, holdtime, rpt);
}
void pim_interface::handle_join(const inet6_addr &grpaddr, const inet6_addr &src, uint32_t holdtime, bool rpt) {
group *grp = g_mrd->get_group_by_addr(grpaddr);
if (!grp)
return;
pim_group_node *node = (pim_group_node *)grp->node_owned_by(pim);
if (node)
handle_join(node, src, holdtime, rpt);
}
static bool
dispatch_handler(int fd, struct ircmsg *msg)
{
switch (msg->type) {
case IRCMSG_UNKNOWN: return true;
case IRCMSG_PING: return handle_ping(fd, &msg->u.ping);
case IRCMSG_PART: return handle_part(fd, &msg->u.part);
case IRCMSG_JOIN: return handle_join(fd, &msg->u.join);
case IRCMSG_PRIVMSG: return handle_privmsg(fd, &msg->u.privmsg);
case IRCMSG_KICK: return handle_kick(fd, &msg->u.kick);
default: return false;
}
}
void pim_interface::handle_join_wc_rpt(group *grp, const inet6_addr &src,
const address_set &pruneaddrs, uint32_t holdtime, bool rpt) {
if (!grp)
return;
pim_group_node *node = (pim_group_node *)grp->node_owned_by(pim);
/// 3.2.2.1.2
if (!node) {
/* Either PIM is disabled for this group or we didn't have
* enough memory in the past */
return;
}
if (node->has_rp() && !(node->rpaddr() == src)) {
/*
* We already have a group instance for G, and the currently
* used RP address differs from the requested one, ignore Join.
*/
return;
}
bool had = node->has_wildcard();
if (!had) {
if (!node->create_wildcard()) {
return;
}
}
node->wildcard()->set_oif(owner(), holdtime);
if (!had) {
rp_source rpsrc;
inet6_addr possiblerp = node->rp_for_group(rpsrc);
if (!(possiblerp == src)) {
if (should_log(DEBUG)) {
log().writeline("RP in J/P message is not the"
"configured one, ignoring Join/Prune.");
return;
}
}
node->set_rp(src, rps_join);
/// 3.2.2.1.5
node->wildcard()->check_upstream_path();
}
handle_join(node, src, holdtime, rpt);
}
void pim_interface::handle_joinprune(const sockaddr_in6 *_from, pim_joinprune_message *msg, uint16_t len) {
m_stats.counter(JoinPruneCount, RX)++;
/* Just to be sure */
if (g_mrd->has_address(_from->sin6_addr))
return;
if (should_log(MESSAGE_CONTENT)) {
base_stream &os = log();
os.inc_level();
_debug_pim_dump(os, *msg);
os.dec_level();
}
inet6_addr upneigh(msg->upstream_neigh.addr);
if (!g_mrd->has_address(upneigh)) {
/* Lets monitor the Join/Prunes in the link
* to react properly */
handle_external_joinprune(_from, msg, len);
return;
}
pim_neighbour *neigh = pim->get_neighbour(_from->sin6_addr);
if (!neigh) {
if (should_log(DEBUG)) {
log().xprintf("Dropping Join/Prune from %{addr}, not "
"a known neighbor.\n", _from->sin6_addr);
}
m_stats.counter(JoinPruneCount, Bad)++;
return;
}
pim_group_node *node;
pim_joinprune_group *grp = msg->groups();
for (uint8_t i = 0; i < msg->ngroups; i++, grp = grp->next()) {
inet6_addr groupaddr(grp->maddr.addr, grp->maddr.masklen);
groupconf *entry = g_mrd->match_group_configuration(groupaddr);
pim_groupconf_node *info = entry ? (pim_groupconf_node *)entry->get_child("pim") : 0;
for (pim_jp_g_iterator i = grp->join_begin();
i != grp->join_end(); ++i) {
if (i->wc() && i->rpt()) {
bool accept_rp = true;
if (info)
accept_rp = info->get_property_address
("accept_rp").matches(i->address());
if (accept_rp) {
address_set prunes;
grp->pruned_addrs(prunes);
handle_join_wc_rpt(groupaddr, i->address(),
prunes, msg->holdtime(),
i->rpt());
} else {
/// 3.2.2.1.1
}
} else if (!i->wc() && !i->rpt()) {
handle_join_source(groupaddr, i->address(),
msg->holdtime(), i->rpt());
} else {
handle_join(groupaddr, i->address(),
msg->holdtime(), i->rpt());
}
}
for (pim_jp_g_iterator i = grp->prune_begin();
i != grp->prune_end(); ++i) {
/* we update the node reference on each cycle as
* it may have been deleted due to a prune */
node = pim->get_group(groupaddr);
if (node == NULL)
continue;
pim_source_state_base *target = NULL;
uint32_t holdtime = 0;
if (!i->wc()) {
target = node->get_state(i->address(), i->rpt());
holdtime = msg->holdtime();
} else if (i->wc() && i->rpt()) {
if (node->rpaddr() == i->address())
target = node->wildcard();
}
if (target)
target->set_oif(owner(), holdtime, false);
}
}
}
void ircInterface::onMessage(std::string msg){
/* while(pkge.find("\r\n") != std::string::npos){
std::string msg = pkge.substr(0, pkge.find("\r\n"));
pkge = pkge.substr(pkge.find("\r\n") + 2);
*/
//std::cout << "ircInterface: raw message is : "<<msg<<std::endl;
ircLog::instance()->logf(FILENAME, "raw message is: %s", msg.c_str());
//alot of the control strings will start with the type sperated from the
//contents of the message with a space
std::string type = msg.substr(0, msg.find_first_of(' '));
//first check for messages that start with message names
//check for ping
if(!type.compare(PING))
{
_connStatus->pingRcvd();
sendPong();
return;
}
else if(!type.compare(ERROR))
{
//TODO need to figure out hwat to do here
//for now lets just try and not spam the other levels
return;
}
else if(!type.compare("IRCERROR"))
{
//handle connection errors in conn status
_connStatus->connectionIoError();
}
//now check for messages that start with nicks or server titles
else
{
_connStatus->pingRcvd();
//type is actually a prefix containing the host mask etc
std::string prefix = type;
// the actual message past the prefix
msg = msg.substr(msg.find_first_of(' ')+1);
//the first part of that message should be the type
type = msg.substr(0, msg.find_first_of(' '));
//check first to see if it is a private message
//most irc messaages are private messages
if(!type.compare(PRIVMSG))
{
handle_privmsg(msg, prefix);
}
else if(!type.compare(NOTICE))
{
if(_connStatus->state() == CS_IDLE)
{
_connStatus->connected();
}
handle_notice(msg, prefix);
}
else if(!type.compare(QUIT))
{
ircEvent e = handle_quit(msg, prefix);
notifyEvent(e);
}
else if(!type.compare(JOIN))
{
ircEvent e = handle_join(msg, prefix);
notifyEvent(e);
}
else if(!type.compare(PART))
{
ircEvent e = handle_part(msg, prefix);
notifyEvent(e);
}
else if(!type.compare(NICK))
{
ircEvent e = handle_nick(msg, prefix);
notifyEvent(e);
}
else if(!type.compare(INSPIRCDVARS))
{
handle_vars(msg);
}
else if(!type.compare(NICKLIST))
{
//add function to parse the nicklist
std::vector<ircEvent> e = handle_nicklist(msg);
for(unsigned int i = 0; i < e.size(); ++i)
{
notifyEvent(e[i]);
}
}
else if(!type.compare("001"))
{
_connStatus->registered();
}
}
// }
}