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154 lines
3.8 KiB
C++
154 lines
3.8 KiB
C++
#include "router.hpp"
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#include <llarp/ibfq.h>
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#include <llarp/dtls.h>
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#include <llarp/iwp.h>
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#include <llarp/link.h>
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#include <llarp/proto.h>
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#include <llarp/router.h>
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#include "str.hpp"
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namespace llarp {
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void router_iter_config(llarp_config_iterator *iter, const char *section,
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const char *key, const char *val);
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} // namespace llarp
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llarp_router::llarp_router(struct llarp_alloc *m) : ready(false), mem(m) { llarp_msg_muxer_init(&muxer); }
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llarp_router::~llarp_router() {}
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void llarp_router::AddLink(struct llarp_link *link) {
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llarp::router_links *head = &links;
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while (head->next && head->link) head = head->next;
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if (head->link)
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{
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void * ptr = mem->alloc(mem, sizeof(llarp::router_links), 8);
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head->next = new (ptr) llarp::router_links{link, nullptr};
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}
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else
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head->link = link;
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ready = true;
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}
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bool llarp_router::Ready() { return ready; }
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void llarp_router::ForEachLink(std::function<void(llarp_link *)> visitor) {
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llarp::router_links *cur = &links;
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do {
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if (cur->link) visitor(cur->link);
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cur = cur->next;
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} while (cur);
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}
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void llarp_router::Close() {
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ForEachLink([](llarp_link *l) { l->stop_link(l); });
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}
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extern "C" {
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struct llarp_router *llarp_init_router(struct llarp_alloc * mem, struct llarp_threadpool *tp, struct llarp_ev_loop * netloop) {
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void * ptr = mem->alloc(mem, sizeof(llarp_router), 16);
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if(!ptr) return nullptr;
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llarp_router *router = new (ptr) llarp_router(mem);
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if(router)
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{
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router->netloop = netloop;
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router->tp = tp;
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llarp_crypto_libsodium_init(&router->crypto);
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}
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return router;
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}
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bool llarp_configure_router(struct llarp_router *router,
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struct llarp_config *conf) {
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llarp_config_iterator iter;
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iter.user = router;
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iter.visit = llarp::router_iter_config;
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llarp_config_iter(conf, &iter);
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return router->Ready();
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}
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void llarp_run_router(struct llarp_router *router, struct llarp_logic *logic) {
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router->ForEachLink([logic](llarp_link *link) {
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int result = link->start_link(link, logic);
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if (result == -1) printf("link %s failed to start\n", link->name());
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});
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}
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void llarp_stop_router(struct llarp_router *router) {
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if(router)
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router->Close();
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}
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void llarp_free_router(struct llarp_router **router) {
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if (*router) {
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struct llarp_alloc * mem = (*router)->mem;
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(*router)->ForEachLink([mem](llarp_link *link) { link->free_impl(link); mem->free(mem, link); });
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(*router)->~llarp_router();
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mem->free(mem, *router);
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}
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*router = nullptr;
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}
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}
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namespace llarp
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{
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void router_iter_config(llarp_config_iterator *iter, const char *section,
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const char *key, const char *val)
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{
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llarp_router *self = static_cast<llarp_router *>(iter->user);
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int af;
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uint16_t proto;
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if (StrEq(val, "eth"))
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{
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af = AF_PACKET;
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proto = LLARP_ETH_PROTO;
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}
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else
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{
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proto = std::atoi(val);
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}
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struct llarp_link *link;
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if (StrEq(section, "dtls-links"))
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{
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link = llarp::Alloc<llarp_link>(self->mem);
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llarp::Zero(link, sizeof(*link));
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llarp_dtls_args args = {
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.mem = self->mem,
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.keyfile=self->transport_keyfile,
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.certfile=self->transport_certfile,
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};
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dtls_link_init(link, args, &self->muxer);
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}
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else if (StrEq(section, "iwp-links"))
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{
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link = llarp::Alloc<llarp_link>(self->mem);
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llarp::Zero(link, sizeof(*link));
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iwp_configure_args args = {
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.mem = self->mem,
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.crypto = &self->crypto,
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.keyfile=self->transport_keyfile,
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};
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iwp_link_init(link, args, &self->muxer);
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}
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else
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return;
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if(llarp_link_initialized(link))
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{
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if (link->configure(link, self->netloop, key, af, proto))
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{
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printf("link configured on %s\n", key);
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self->AddLink(link);
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return;
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}
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}
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self->mem->free(self->mem, link);
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printf("failed to configure link for %s\n", key);
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}
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} // namespace llarp
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