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// Spectre 2 |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#include "Daemon.hpp" |
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#include "Mounter.hpp" |
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#include "Unmounter.hpp" |
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|
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#include <menes-api/environment.hpp> |
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#include <menes-api/socket.hpp> |
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|
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#include <arpa/inet.h> |
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|
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extern "C" |
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{ |
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void authenticate(const char* server, const char* share, char* work, int workSize, char* user, int userSize, char* password, int passwordSize); |
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} |
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|
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Daemon::~Daemon() |
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{ |
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thread->Join(); |
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|
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::smbc_free_context(::smbc_set_context(NULL), 1); |
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|
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#ifdef __FreeBSD__ |
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api::Posix::CheckError(::unlink(secret.NullTerminate())); |
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#else |
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_foreach (const ext::RedBlackMap<ext::String>, secret, secrets) |
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api::Posix::CheckError(::unlink(secret.NullTerminate())); |
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#endif |
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} |
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|
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ext::RedBlackSet<Share> Daemon::shares; |
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//api::ThreadMutex Daemon::smbcLock; |
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#ifdef __FreeBSD__ |
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ext::String Daemon::secret(api::TheEnvironment.Get("HOME") + "/.nsmbrc"); |
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api::ThreadMutex Daemon::secretLock; |
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#else |
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ext::RedBlackMap<ext::String> Daemon::secrets; |
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api::ThreadMutex Daemon::secretsLock; |
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#endif |
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|
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int Daemon::loop() |
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{ |
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while (running) if (loaded) |
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{ |
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ext::ThreadSet<> threads; |
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|
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threads.Add(etl::BindAll(&Daemon::work<Mounter>, this)); |
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threads.Add(etl::BindAll(&Daemon::work<Unmounter>, this)); |
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threads.Join(); |
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} |
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else load(); |
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|
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return 0; |
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} |
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|
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void Daemon::load() |
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{ |
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shares.Clear(); |
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Share::passwords.Clear(); |
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|
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_H<xml::Document> document(xml::Parse(config.GetPath())); |
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_H<xml::Node> spectre(*document/"spectre"); |
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|
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if (!(*spectre/"prefix").IsEmpty()) |
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Spectre2::prefix = *spectre/"prefix"; |
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|
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if (!(*spectre/"root").IsEmpty()) |
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Spectre2::root = *spectre/"root"; |
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|
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if (!(*spectre/"mount").IsEmpty()) |
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Spectre2::mount = *spectre/"mount"; |
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|
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if (!(*spectre/"umount").IsEmpty()) |
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Spectre2::umount = *spectre/"umount"; |
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|
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if (!(*spectre/"interval").IsEmpty()) |
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interval = lexical_cast<unsigned>(ext::String(*spectre/"interval")); |
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|
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CheckError(::smbc_init(authenticate, Spectre2::debug ? 2 : 0)); |
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|
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#ifdef __FreeBSD__ |
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api::FileWriter out(secret, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
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ios::FormatWriter fout(out); |
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#endif |
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|
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_foreach (const xml::NodeSet, host_, *spectre/"host") |
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{ |
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ext::String host(**host_/"name"); |
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|
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_foreach (const xml::NodeSet, share, **host_/"share") |
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{ |
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ext::String name(**share/"name"), owner(**share/"owner"), user(**share/"user"), group(**share/"group"); |
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|
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shares.Insert(Share(host, name, owner, user, group)); |
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} |
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|
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#ifdef __FreeBSD__ |
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::addrinfo* info; |
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|
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api::Posix::CheckGaiError(::getaddrinfo(host.NullTerminate(), NULL, NULL, &info)); |
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|
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::sockaddr_in& sock(*reinterpret_cast< ::sockaddr_in*>(info->ai_addr)); |
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ext::Buffer buffer(128); |
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|
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fout << "[" << host << "]" << ios::NewLine << "addr=" << ::inet_ntop(sock.sin_family, &sock.sin_addr, buffer.Begin(), buffer.GetSize()) << ios::NewLine; |
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|
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::freeaddrinfo(info); |
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#endif |
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} |
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|
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if (Spectre2::debug) |
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shares.Output(api::Cout); |
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|
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loaded = true; |
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} |
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|
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template <typename Worker> |
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int Daemon::work() |
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{ |
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while (running && loaded) |
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{ |
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ext::ThreadSet<> workers; |
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|
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_foreach (const ext::RedBlackSet<Share>, share, shares) |
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workers.Add(etl::BindAll(&Daemon::work_<Worker>, this, *share)); |
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|
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// XXX: not useful for solving the problem it was supposed to solve |
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/*_synchronized (smbcLock) if (++count % 8 == 0) try |
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{ |
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::SMBCCTX* context(::smbc_new_context()); |
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|
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context->debug = Spectre2::debug ? 2 : 0; |
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context->callbacks.auth_fn = authenticate; |
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|
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CheckError(::smbc_init_context(context)); |
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|
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::SMBCCTX* old(::smbc_set_context(context)); |
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|
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CheckError(::smbc_free_context(old, 0)); |
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} |
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catch (const Error&) { --count; }*/ |
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|
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if (running && loaded) |
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sleep(); |
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|
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workers.Join(); |
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} |
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|
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return 0; |
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} |
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|
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template <typename Worker> |
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int Daemon::work_(const Share& share) |
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{ |
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Worker worker(share); |
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|
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if (worker) |
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worker(); |
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|
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return 0; |
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} |
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|
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void Daemon::sleep() |
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{ |
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::timespec wait = { interval, 0 }; |
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|
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::nanosleep(&wait, NULL); |
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} |
