mirror of https://github.com/oxen-io/lokinet
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
2.1 KiB
C++
116 lines
2.1 KiB
C++
6 years ago
|
#include <llarp/nodedb.h>
|
||
|
#include <llarp/router_contact.h>
|
||
|
#include "crypto.hpp"
|
||
|
#include "fs.hpp"
|
||
|
#include <map>
|
||
|
|
||
|
|
||
|
static const char skiplist_subdirs[] = "0123456789ABCDEF";
|
||
|
|
||
|
struct llarp_nodedb
|
||
|
{
|
||
|
std::map<llarp::pubkey, llarp_rc *> entries;
|
||
|
|
||
|
ssize_t Load(const fs::path & path)
|
||
|
{
|
||
|
std::error_code ec;
|
||
|
if(!fs::exists(path, ec))
|
||
|
{
|
||
|
return -1;
|
||
|
}
|
||
|
ssize_t loaded = 0;
|
||
|
|
||
|
for (const char & ch : skiplist_subdirs)
|
||
|
{
|
||
|
fs::path sub = path / std::string(ch, 1);
|
||
|
for(auto & f : fs::directory_iterator(sub))
|
||
|
{
|
||
|
ssize_t l = loadSubdir(f);
|
||
|
if(l > 0) loaded += l;
|
||
|
}
|
||
|
}
|
||
|
return loaded;
|
||
|
}
|
||
|
|
||
|
bool loadfile(const fs::path & fpath)
|
||
|
{
|
||
|
llarp_rc * rc = new llarp_rc;
|
||
|
llarp_buffer_t buff;
|
||
|
FILE * f = fopen(fpath.c_str(), "rb");
|
||
|
if(!f) return false;
|
||
|
if(!llarp_buffer_readfile(&buff, f, &llarp_g_mem))
|
||
|
{
|
||
|
fclose(f);
|
||
|
return false;
|
||
|
}
|
||
|
fclose(f);
|
||
|
if(llarp_rc_bdecode(rc, &buff))
|
||
|
{
|
||
|
if(llarp_rc_verify_sig(rc))
|
||
|
{
|
||
|
llarp::pubkey pk;
|
||
|
memcpy(pk.data(), rc->pubkey, pk.size());
|
||
|
entries[pk] = rc;
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
llarp_rc_free(rc);
|
||
|
delete rc;
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
ssize_t loadSubdir(const fs::path & dir)
|
||
|
{
|
||
|
ssize_t sz = 0;
|
||
|
for (auto & path : fs::directory_iterator(dir))
|
||
|
{
|
||
|
if(loadfile(path)) sz++;
|
||
|
}
|
||
|
return sz;
|
||
|
}
|
||
|
|
||
|
};
|
||
|
|
||
|
extern "C" {
|
||
|
|
||
|
struct llarp_nodedb * llarp_nodedb_new()
|
||
|
{
|
||
|
return new llarp_nodedb;
|
||
|
}
|
||
|
|
||
|
void llarp_nodedb_free(struct llarp_nodedb ** n)
|
||
|
{
|
||
|
if(*n)
|
||
|
delete *n;
|
||
|
*n = nullptr;
|
||
|
}
|
||
|
|
||
|
|
||
|
bool llarp_nodedb_ensure_dir(const char * dir)
|
||
|
{
|
||
|
fs::path path(dir);
|
||
|
std::error_code ec;
|
||
|
if(!fs::exists(dir, ec))
|
||
|
fs::create_directories(path, ec);
|
||
|
|
||
|
if(ec)
|
||
|
return false;
|
||
|
|
||
|
if (!fs::is_directory(path))
|
||
|
return false;
|
||
|
|
||
|
for (const char & ch : skiplist_subdirs)
|
||
|
{
|
||
|
fs::path sub = path / std::string(ch, 1);
|
||
|
fs::create_directory(sub, ec);
|
||
|
if(ec) return false;
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
ssize_t llarp_nodedb_load_dir(struct llarp_nodedb * n, const char * dir)
|
||
|
{
|
||
|
return n->Load(dir);
|
||
|
}
|
||
|
}
|