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()));
#else
        _foreach (const ext::RedBlackMap<ext::String>, secret, secrets)
                api::Posix::CheckError(::unlink(secret.NullTerminate()));
#endif
}

ext::RedBlackSet<Share> Daemon::shares;
#ifdef __FreeBSD__
ext::String Daemon::secret(api::TheEnvironment.Get("HOME") + "/.nsmbrc");
api::ThreadMutex Daemon::secretLock;
#else
ext::RedBlackMap<ext::String> Daemon::secrets;
api::ThreadMutex Daemon::secretsLock;
#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()
{
#ifndef __FreeBSD__
        _foreach (const ext::RedBlackMap<ext::String>, secret, secrets)
                api::Posix::CheckError(::unlink(secret.NullTerminate()));

        secrets.Clear();
#endif
        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/"umount").IsEmpty())
                Spectre2::umount = *spectre/"umount";

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

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

#ifdef __FreeBSD__
        api::FileWriter out(secret, O_WRONLY | O_CREAT | O_TRUNC, 0600);
        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));

                if (running && loaded)
                        sleep();

                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 };

        ::nanosleep(&wait, NULL);
}
Revision:	441
Committed:	2005-04-12T15:42:24-07:00 (20 years, 2 months ago) by douglas
File size:	3493 byte(s)
Log Message:	Yeah, whatever.
#	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	douglas	432	#else
30			_foreach (const ext::RedBlackMap<ext::String>, secret, secrets)
31			api::Posix::CheckError(::unlink(secret.NullTerminate()));
32	douglas	429	#endif
33			}
34
35	douglas	431	ext::RedBlackSet<Share> Daemon::shares;
36	douglas	429	#ifdef __FreeBSD__
37			ext::String Daemon::secret(api::TheEnvironment.Get("HOME") + "/.nsmbrc");
38	douglas	432	api::ThreadMutex Daemon::secretLock;
39			#else
40			ext::RedBlackMap<ext::String> Daemon::secrets;
41			api::ThreadMutex Daemon::secretsLock;
42	douglas	429	#endif
43
44			int Daemon::loop()
45			{
46			while (running) if (loaded)
47	douglas	407	{
48	douglas	429	ext::ThreadSet<> threads;
49	douglas	407
50	douglas	429	threads.Add(etl::BindAll(&Daemon::work<Mounter>, this));
51			threads.Add(etl::BindAll(&Daemon::work<Unmounter>, this));
52			threads.Join();
53	douglas	407	}
54	douglas	429	else load();
55
56			return 0;
57	douglas	407	}
58
59	douglas	429	void Daemon::load()
60	douglas	403	{
61	douglas	441	#ifndef __FreeBSD__
62			_foreach (const ext::RedBlackMap<ext::String>, secret, secrets)
63			api::Posix::CheckError(::unlink(secret.NullTerminate()));
64
65			secrets.Clear();
66			#endif
67	douglas	429	shares.Clear();
68			Share::passwords.Clear();
69
70			_H<xml::Document> document(xml::Parse(config.GetPath()));
71			_H<xml::Node> spectre(*document/"spectre");
72	douglas	431
73			if (!(*spectre/"prefix").IsEmpty())
74			Spectre2::prefix = *spectre/"prefix";
75
76			if (!(*spectre/"root").IsEmpty())
77			Spectre2::root = *spectre/"root";
78
79			if (!(*spectre/"mount").IsEmpty())
80			Spectre2::mount = *spectre/"mount";
81
82	douglas	432	if (!(*spectre/"umount").IsEmpty())
83			Spectre2::umount = *spectre/"umount";
84
85	douglas	431	if (!(*spectre/"interval").IsEmpty())
86			interval = lexical_cast<unsigned>(ext::String(*spectre/"interval"));
87
88			CheckError(::smbc_init(authenticate, Spectre2::debug ? 2 : 0));
89
90	douglas	429	#ifdef __FreeBSD__
91	douglas	439	api::FileWriter out(secret, O_WRONLY \| O_CREAT \| O_TRUNC, 0600);
92	douglas	429	ios::FormatWriter fout(out);
93			#endif
94
95			_foreach (const xml::NodeSet, host_, *spectre/"host")
96			{
97			ext::String host(**host_/"name");
98
99			_foreach (const xml::NodeSet, share, **host_/"share")
100			{
101			ext::String name(share/"name"), owner(share/"owner"), user(share/"user"), group(share/"group");
102
103			shares.Insert(Share(host, name, owner, user, group));
104			}
105
106			#ifdef __FreeBSD__
107			::addrinfo* info;
108
109			api::Posix::CheckGaiError(::getaddrinfo(host.NullTerminate(), NULL, NULL, &info));
110
111			::sockaddr_in& sock(reinterpret_cast< ::sockaddr_in>(info->ai_addr));
112			ext::Buffer buffer(128);
113
114			fout << "[" << host << "]" << ios::NewLine << "addr=" << ::inet_ntop(sock.sin_family, &sock.sin_addr, buffer.Begin(), buffer.GetSize()) << ios::NewLine;
115
116			::freeaddrinfo(info);
117			#endif
118			}
119
120	douglas	431	if (Spectre2::debug)
121			shares.Output(api::Cout);
122	douglas	429
123			loaded = true;
124	douglas	403	}
125
126	douglas	429	template <typename Worker>
127			int Daemon::work()
128	douglas	402	{
129	douglas	429	while (running && loaded)
130			{
131			ext::ThreadSet<> workers;
132	douglas	402
133	douglas	431	_foreach (const ext::RedBlackSet<Share>, share, shares)
134			workers.Add(etl::BindAll(&Daemon::work_<Worker>, this, *share));
135	douglas	429
136	douglas	432	if (running && loaded)
137	douglas	431	sleep();
138
139	douglas	429	workers.Join();
140			}
141
142	douglas	402	return 0;
143			}
144	douglas	431
145			template <typename Worker>
146			int Daemon::work_(const Share& share)
147			{
148			Worker worker(share);
149
150			if (worker)
151			worker();
152
153			return 0;
154			}
155
156			void Daemon::sleep()
157			{
158			::timespec wait = { interval, 0 };
159
160	douglas	432	::nanosleep(&wait, NULL);
161	douglas	431	}