repos/Spectre2/Daemon.cpp

// Spectre 2
//
// Douglas Thrift
//
// $Id$

#include "Daemon.hpp"
#include "Mounter.hpp"
#include "Unmounter.hpp"

#include <menes-api/environment.hpp>
#include <menes-api/socket.hpp>

#include <arpa/inet.h>

extern "C"
{
        void authenticate(const char* server, const char* share, char* work, int workSize, char* user, int userSize, char* password, int passwordSize);
}

Daemon::~Daemon()
{
        thread->Join();

        ::smbc_free_context(::smbc_set_context(NULL), 1);

#ifdef __FreeBSD__
        api::Posix::CheckError(::unlink(secret.NullTerminate()));
#endif
}

ext::RedBlackSet<Share> Daemon::shares;
//api::ThreadMutex Daemon::smbcLock;
#ifdef __FreeBSD__
ext::String Daemon::secret(api::TheEnvironment.Get("HOME") + "/.nsmbrc");
#endif

int Daemon::loop()
{
        while (running) if (loaded)
        {
                ext::ThreadSet<> threads;

                threads.Add(etl::BindAll(&Daemon::work<Mounter>, this));
                threads.Add(etl::BindAll(&Daemon::work<Unmounter>, this));
                threads.Join();
        }
        else load();

        return 0;
}

void Daemon::load()
{
        shares.Clear();
        Share::passwords.Clear();

        _H<xml::Document> document(xml::Parse(config.GetPath()));
        _H<xml::Node> spectre(*document/"spectre");
                
        if (!(*spectre/"prefix").IsEmpty())
                Spectre2::prefix = *spectre/"prefix";

        if (!(*spectre/"root").IsEmpty())
                Spectre2::root = *spectre/"root";

        if (!(*spectre/"mount").IsEmpty())
                Spectre2::mount = *spectre/"mount";

        if (!(*spectre/"interval").IsEmpty())
                interval = lexical_cast<unsigned>(ext::String(*spectre/"interval"));

        CheckError(::smbc_init(authenticate, Spectre2::debug ? 2 : 0));

#ifdef __FreeBSD__
        SecretFileWriter out(secret);
        ios::FormatWriter fout(out);
#endif

        _foreach (const xml::NodeSet, host_, *spectre/"host")
        {
                ext::String host(**host_/"name");

                _foreach (const xml::NodeSet, share, **host_/"share")
                {
                        ext::String name(**share/"name"), owner(**share/"owner"), user(**share/"user"), group(**share/"group");

                        shares.Insert(Share(host, name, owner, user, group));
                }

#ifdef __FreeBSD__
                ::addrinfo* info;

                api::Posix::CheckGaiError(::getaddrinfo(host.NullTerminate(), NULL, NULL, &info));

                ::sockaddr_in& sock(*reinterpret_cast< ::sockaddr_in*>(info->ai_addr));
                ext::Buffer buffer(128);

                fout << "[" << host << "]" << ios::NewLine << "addr=" << ::inet_ntop(sock.sin_family, &sock.sin_addr, buffer.Begin(), buffer.GetSize()) << ios::NewLine;

                ::freeaddrinfo(info);
#endif
        }

        if (Spectre2::debug)
                shares.Output(api::Cout);
        
        loaded = true;
}

template <typename Worker>
int Daemon::work()
{
        while (running && loaded)
        {
                ext::ThreadSet<> workers;

                _foreach (const ext::RedBlackSet<Share>, share, shares)
                        workers.Add(etl::BindAll(&Daemon::work_<Worker>, this, *share));

                // XXX: not useful for solving the problem it was supposed to solve
                /*_synchronized (smbcLock) if (++count % 8 == 0) try
                {
                        ::SMBCCTX* context(::smbc_new_context());

                        context->debug = Spectre2::debug ? 2 : 0;
                        context->callbacks.auth_fn = authenticate;

                        CheckError(::smbc_init_context(context));

                        ::SMBCCTX* old(::smbc_set_context(context));

                        CheckError(::smbc_free_context(old, 0));
                }
                catch (const Error&) { --count; }*/

                if (running && loaded) try
                {
                        sleep();
                }
                catch (const api::Error&)
                {
                        api::Cout << "Can't sleep!" << ios::NewLine;
                }

                workers.Join();
        }

        return 0;
}

template <typename Worker>
int Daemon::work_(const Share& share)
{
        Worker worker(share);

        if (worker)
                worker();

        return 0;
}

void Daemon::sleep()
{
        ::timespec wait = { interval, 0 };

        api::Posix::CheckError(::nanosleep(&wait, NULL));
}
Revision:	431
Committed:	2005-03-26T22:35:26-08:00 (20 years, 2 months ago) by douglas
File size:	3556 byte(s)
Log Message:	Grr! Why must this thing decided to ask for all the memory in existance at a certain point?
#	User	Rev	Content
1	douglas	402	// Spectre 2
2			//
3			// Douglas Thrift
4			//
5			// $Id$
6
7			#include "Daemon.hpp"
8	douglas	429	#include "Mounter.hpp"
9			#include "Unmounter.hpp"
10	douglas	402
11	douglas	429	#include <menes-api/environment.hpp>
12			#include <menes-api/socket.hpp>
13
14			#include <arpa/inet.h>
15
16	douglas	431	extern "C"
17			{
18			void authenticate(const char* server, const char* share, char* work, int workSize, char* user, int userSize, char* password, int passwordSize);
19			}
20
21	douglas	429	Daemon::~Daemon()
22	douglas	407	{
23	douglas	429	thread->Join();
24
25	douglas	431	::smbc_free_context(::smbc_set_context(NULL), 1);
26
27	douglas	429	#ifdef __FreeBSD__
28			api::Posix::CheckError(::unlink(secret.NullTerminate()));
29			#endif
30			}
31
32	douglas	431	ext::RedBlackSet<Share> Daemon::shares;
33			//api::ThreadMutex Daemon::smbcLock;
34	douglas	429	#ifdef __FreeBSD__
35			ext::String Daemon::secret(api::TheEnvironment.Get("HOME") + "/.nsmbrc");
36			#endif
37
38			int Daemon::loop()
39			{
40			while (running) if (loaded)
41	douglas	407	{
42	douglas	429	ext::ThreadSet<> threads;
43	douglas	407
44	douglas	429	threads.Add(etl::BindAll(&Daemon::work<Mounter>, this));
45			threads.Add(etl::BindAll(&Daemon::work<Unmounter>, this));
46			threads.Join();
47	douglas	407	}
48	douglas	429	else load();
49
50			return 0;
51	douglas	407	}
52
53	douglas	429	void Daemon::load()
54	douglas	403	{
55	douglas	429	shares.Clear();
56			Share::passwords.Clear();
57
58			_H<xml::Document> document(xml::Parse(config.GetPath()));
59			_H<xml::Node> spectre(*document/"spectre");
60	douglas	431
61			if (!(*spectre/"prefix").IsEmpty())
62			Spectre2::prefix = *spectre/"prefix";
63
64			if (!(*spectre/"root").IsEmpty())
65			Spectre2::root = *spectre/"root";
66
67			if (!(*spectre/"mount").IsEmpty())
68			Spectre2::mount = *spectre/"mount";
69
70			if (!(*spectre/"interval").IsEmpty())
71			interval = lexical_cast<unsigned>(ext::String(*spectre/"interval"));
72
73			CheckError(::smbc_init(authenticate, Spectre2::debug ? 2 : 0));
74
75	douglas	429	#ifdef __FreeBSD__
76			SecretFileWriter out(secret);
77			ios::FormatWriter fout(out);
78			#endif
79
80			_foreach (const xml::NodeSet, host_, *spectre/"host")
81			{
82			ext::String host(**host_/"name");
83
84			_foreach (const xml::NodeSet, share, **host_/"share")
85			{
86			ext::String name(share/"name"), owner(share/"owner"), user(share/"user"), group(share/"group");
87
88			shares.Insert(Share(host, name, owner, user, group));
89			}
90
91			#ifdef __FreeBSD__
92			::addrinfo* info;
93
94			api::Posix::CheckGaiError(::getaddrinfo(host.NullTerminate(), NULL, NULL, &info));
95
96			::sockaddr_in& sock(reinterpret_cast< ::sockaddr_in>(info->ai_addr));
97			ext::Buffer buffer(128);
98
99			fout << "[" << host << "]" << ios::NewLine << "addr=" << ::inet_ntop(sock.sin_family, &sock.sin_addr, buffer.Begin(), buffer.GetSize()) << ios::NewLine;
100
101			::freeaddrinfo(info);
102			#endif
103			}
104
105	douglas	431	if (Spectre2::debug)
106			shares.Output(api::Cout);
107	douglas	429
108			loaded = true;
109	douglas	403	}
110
111	douglas	429	template <typename Worker>
112			int Daemon::work()
113	douglas	402	{
114	douglas	429	while (running && loaded)
115			{
116			ext::ThreadSet<> workers;
117	douglas	402
118	douglas	431	_foreach (const ext::RedBlackSet<Share>, share, shares)
119			workers.Add(etl::BindAll(&Daemon::work_<Worker>, this, *share));
120	douglas	429
121	douglas	431	// XXX: not useful for solving the problem it was supposed to solve
122			/*_synchronized (smbcLock) if (++count % 8 == 0) try
123			{
124			::SMBCCTX* context(::smbc_new_context());
125
126			context->debug = Spectre2::debug ? 2 : 0;
127			context->callbacks.auth_fn = authenticate;
128
129			CheckError(::smbc_init_context(context));
130
131			::SMBCCTX* old(::smbc_set_context(context));
132
133			CheckError(::smbc_free_context(old, 0));
134			}
135			catch (const Error&) { --count; }*/
136
137			if (running && loaded) try
138			{
139			sleep();
140			}
141			catch (const api::Error&)
142			{
143			api::Cout << "Can't sleep!" << ios::NewLine;
144			}
145
146	douglas	429	workers.Join();
147			}
148
149	douglas	402	return 0;
150			}
151	douglas	431
152			template <typename Worker>
153			int Daemon::work_(const Share& share)
154			{
155			Worker worker(share);
156
157			if (worker)
158			worker();
159
160			return 0;
161			}
162
163			void Daemon::sleep()
164			{
165			::timespec wait = { interval, 0 };
166
167			api::Posix::CheckError(::nanosleep(&wait, NULL));
168			}