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Defer the configuration until after daemonized

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This commit is contained in:
Daniel Adolfsson 2016-04-18 15:49:02 +02:00
parent 96ab05dade
commit cb23cdbeac
2 changed files with 66 additions and 22 deletions
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84
src/ndppd.cc
View File

@ -33,7 +33,7 @@
using namespace ndppd;
int daemonize()
static int daemonize()
{
pid_t pid = fork();
@ -60,12 +60,64 @@ int daemonize()
return 0;
}
bool configure(const std::string& path)
static ptr<conf> load_config(const std::string& path)
{
ptr<conf> cf, x_cf;
if (!(cf = conf::load(path)))
return false;
return (conf*)NULL;
std::vector<ptr<conf> >::const_iterator p_it;
std::vector<ptr<conf> > proxies(cf->find_all("proxy"));
for (p_it = proxies.begin(); p_it != proxies.end(); p_it++) {
ptr<conf> pr_cf = *p_it;
if (pr_cf->empty()) {
logger::error() << "'proxy' section is missing interface name";
return (conf*)NULL;
}
std::vector<ptr<conf> >::const_iterator r_it;
std::vector<ptr<conf> > rules(pr_cf->find_all("rule"));
for (r_it = rules.begin(); r_it != rules.end(); r_it++) {
ptr<conf> ru_cf =* r_it;
if (ru_cf->empty()) {
logger::error() << "'rule' is missing an IPv6 address/net";
return (conf*)NULL;
}
address addr(*ru_cf);
if (x_cf = ru_cf->find("iface")) {
if ((const std::string& )*x_cf == "") {
logger::error() << "'iface' expected an interface name";
}
} else {
if (!ru_cf->find("static")) {
logger::warning()
<< "## I'm going for 'static' since you didn't specify any method. Please fix this" << logger::endl
<< "## as it's not going to be supported in future versions of ndppd. (See 'man ndppd.conf')";
}
if (addr.prefix() <= 120) {
logger::warning()
<< "Low prefix length (" << addr.prefix() << " <= 120) when using 'static' method";
}
}
}
}
return cf;
}
static bool configure(ptr<conf>& cf)
{
ptr<conf> x_cf;
if (!(x_cf = cf->find("route-ttl")))
route::ttl(30000);
@ -80,14 +132,12 @@ bool configure(const std::string& path)
ptr<conf> pr_cf = *p_it;
if (pr_cf->empty()) {
logger::error() << "'proxy' section is missing interface name";
return false;
}
ptr<proxy> pr = proxy::open(*pr_cf);
if (!pr) {
logger::error() << "Configuration failed for proxy '" << (const std::string& )*pr_cf << "'";
return false;
}
@ -114,7 +164,6 @@ bool configure(const std::string& path)
ptr<conf> ru_cf =* r_it;
if (ru_cf->empty()) {
logger::error() << "'rule' is missing an IPv6 address/net";
return false;
}
@ -122,24 +171,13 @@ bool configure(const std::string& path)
if (x_cf = ru_cf->find("iface")) {
if ((const std::string& )*x_cf == "") {
logger::error() << "'iface' expected an interface name";
} else {
pr->add_rule(addr, iface::open_ifd(*x_cf));
}
} else if (ru_cf->find("auto")) {
pr->add_rule(addr, true);
} else {
if (!ru_cf->find("static")) {
logger::warning()
<< "## I'm going for 'static' since you didn't specify any method. Please fix this" << logger::endl
<< "## as it's not going to be supported in future versions of ndppd. (See 'man ndppd.conf')";
}
if (addr.prefix() <= 120) {
logger::warning()
<< "Low prefix length (" << addr.prefix() << " <= 120) when using 'static' method";
}
pr->add_rule(addr, false);
}
}
@ -148,9 +186,9 @@ bool configure(const std::string& path)
return true;
}
bool running = true;
static bool running = true;
void exit_ndppd(int sig)
static void exit_ndppd(int sig)
{
logger::error() << "Shutting down...";
running = 0;
@ -213,7 +251,8 @@ int main(int argc, char* argv[], char* env[])
// Load configuration.
if (!configure(config_path))
ptr<conf> cf = load_config(config_path);
if (cf.is_null())
return -1;
if (daemon) {
@ -225,6 +264,9 @@ int main(int argc, char* argv[], char* env[])
}
}
if (!configure(cf))
return -1;
if (!pidfile.empty()) {
std::ofstream pf;
pf.open(pidfile.c_str(), std::ios::out | std::ios::trunc);

2
src/ptr.h
View File

@ -70,6 +70,8 @@ protected:
void acquire(void* ptr)
{
if (!ptr) return;
_ref = new ptr_ref();
_ref->ptr = (T*)ptr;
_ref->wc = !!_weak;