zoe/trunk/Zoe.cpp

// Zoe AIM Away Message RSS Feed Generator
//
// Seth King and Douglas Thrift
//
// $Id$

#include "Matcher.hpp"
#include "Collector.hpp"
#include "Publisher.hpp"

#include <algorithm>
#include <cstring>
#include <iterator>

extern "C"
{
#include <pwd.h>
#include <sys/utsname.h>
#include <unistd.h>
}

int main(int argc, char* argv[])
{
        Zoe::program = argv[0];

        for (int index(1); index < argc; ++index)
        {
                ext::String arg(argv[index]);
                Matcher matcher;

                if (arg == matcher("^-config=(.*)$"))
                {
                        Zoe::config = matcher[1];
                }
                else if (arg == "-collector")
                {
                        if (!Zoe::collector) Zoe::collector = true;
                }
                else if (arg == "-publisher")
                {
                        if (!Zoe::publisher) Zoe::publisher = true;
                }
                else if (arg == "-D")
                {
                        if (!Zoe::debug) Zoe::debug = true;
                }
                else
                {
                        cerr << bright << "Usage: " << cyan << Zoe::program << reset << " ["
                                << bright << blue <<  "-config=" << yellow << "config" << reset
                                << "] [" << bright << blue << "-collector" << reset << "] ["
                                << bright << blue << "-publisher" << reset << "] [" << bright
                                << blue << "-D" << reset << "]\n";

                        return 1;
                }
        }

        Zoe zoe;

        return 0;
}

Zoe::Zoe()
{
        configure();
        initialize();

        Collector collector(login, password, buddies, database, Zoe::collector);
        Publisher publisher(buddies, database, Zoe::publisher);
}

bool Zoe::debug(false), Zoe::collector(false), Zoe::publisher(false);
ext::String Zoe::program, Zoe::config("zoe.xml");

ext::String Zoe::generator()
{
        utsname system;

        uname(&system);

        return _S("Zoe/0.9 (") + system.sysname + "; http://computers.douglasthrift.net/zoe.xml)";
}

void Zoe::configure()
{
        if (debug) cerr << "config = " << config << '\n';

        ext::Handle<xml::Document> document(xml::Parse(config));
        ext::Handle<xml::Node> zoe(*document/"zoe");

        login = std::string(*zoe/"login");
        password = std::string(*zoe/"password");
        database.driver = std::string(*zoe/"database"/"driver");
        database.host = std::string(*zoe/"database"/"host");
        database.user = std::string(*zoe/"database"/"user");

        if ((*zoe/"database"/"password").IsEmpty())
        {
                ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "") + database.host
                        + (!database.user.IsEmpty() ? "'s " : "") + "Database Password: ");
                char* password(getpass(prompt.NullTerminate()));

                database.password = password;

                for (size_t index(std::strlen(password)); index > 0; --index) password[index - 1] = '\0';
        }
        else database.password = std::string(*zoe/"database"/"password");

        database.db = std::string(*zoe/"database"/"db");

        if (debug) cerr << "login = " << login << "\npassword = " << std::string(password.GetSize(), '*') << "\ndatabase = {\n"
                << "   driver = " << database.driver << "\n   host=" << database.host << "\n   user = " << database.user << '\n'
                << "   password = " << std::string(database.password.GetSize(), '*') << "\n   db = " << database.db << "\n}\n";

        xml::NodeSet buddies(*zoe/"buddy");

        for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End(); ++buddy)
                this->buddies.insert(Buddy(**buddy/"login", **buddy/"rss"));

        if (debug)
        {
                cerr << "buddies = {\n";

                for (std::set<Buddy>::const_iterator buddy(this->buddies.begin()); buddy != this->buddies.end(); ++buddy)
                        cerr << "   " << *buddy << " = " << buddy->getRss() << '\n';

                cerr << "}\n";
        }

        if (!collector && !publisher)
        {
                collector = true;
                publisher = true;
        }

        if (debug) cerr << "collector = " << lexical_cast<ext::String>(collector)
                << "\npublisher = " << lexical_cast<ext::String>(publisher) << '\n';
}

void Zoe::initialize()
{
        ext::Handle<dbi::Connection> db(dbi::Connect(database.driver, database.host, database.user, database.password,
                database.db));
        ext::Handle<dbi::ResultSet> buddies(db->Execute("SELECT * FROM buddies"));
        std::set<Buddy> buddies_;

        while (buddies->MoveNext())
        {
                Buddy buddy(*this->buddies.find(buddies->GetString("buddy")));

                buddy.setId(lexical_cast<ext::Uuid>(buddies->GetString("id")));
                buddies_.insert(buddy);
        }

        std::vector<Buddy> difference;

        set_difference(this->buddies.begin(), this->buddies.end(), buddies_.begin(), buddies_.end(),
                std::insert_iterator<std::vector<Buddy> >(difference, difference.begin()));

        for (std::vector<Buddy>::iterator buddy(difference.begin()); buddy != difference.end(); ++buddy)
        {
                ext::Uuid id;

                api::Uuid::CreateSequential(id);

                buddy->setId(id);
                db->Execute("INSERT INTO buddies (id, buddy) VALUES ('" + lexical_cast<ext::String>(id) + "', '"
                        + ext::String(*buddy) + "')");
                
                buddies_.insert(*buddy);
        }

        this->buddies = buddies_;
}
Revision:	34
Committed:	2004-07-20T16:49:06-07:00 (20 years, 11 months ago) by douglas
File size:	4578 byte(s)
Log Message:	Yeah, that's right.
#	User	Rev	Content
1	douglas	5	// Zoe AIM Away Message RSS Feed Generator
2			//
3			// Seth King and Douglas Thrift
4			//
5			// $Id$
6
7			#include "Matcher.hpp"
8	douglas	13	#include "Collector.hpp"
9			#include "Publisher.hpp"
10	douglas	5
11	douglas	21	#include <algorithm>
12			#include <cstring>
13			#include <iterator>
14
15			extern "C"
16			{
17			#include <pwd.h>
18	douglas	25	#include <sys/utsname.h>
19	douglas	21	#include <unistd.h>
20			}
21
22	douglas	5	int main(int argc, char* argv[])
23			{
24	douglas	7	Zoe::program = argv[0];
25	douglas	5
26	douglas	7	for (int index(1); index < argc; ++index)
27			{
28			ext::String arg(argv[index]);
29			Matcher matcher;
30
31			if (arg == matcher("^-config=(.*)$"))
32			{
33			Zoe::config = matcher[1];
34			}
35	douglas	13	else if (arg == "-collector")
36			{
37			if (!Zoe::collector) Zoe::collector = true;
38			}
39			else if (arg == "-publisher")
40			{
41			if (!Zoe::publisher) Zoe::publisher = true;
42			}
43	douglas	7	else if (arg == "-D")
44			{
45			if (!Zoe::debug) Zoe::debug = true;
46			}
47			else
48			{
49	douglas	14	cerr << bright << "Usage: " << cyan << Zoe::program << reset << " ["
50			<< bright << blue << "-config=" << yellow << "config" << reset
51			<< "] [" << bright << blue << "-collector" << reset << "] ["
52			<< bright << blue << "-publisher" << reset << "] [" << bright
53			<< blue << "-D" << reset << "]\n";
54	douglas	9
55			return 1;
56	douglas	7	}
57			}
58
59			Zoe zoe;
60
61	douglas	5	return 0;
62			}
63	douglas	7
64	douglas	12	Zoe::Zoe()
65	douglas	7	{
66			configure();
67	douglas	21	initialize();
68	douglas	8
69	douglas	21	Collector collector(login, password, buddies, database, Zoe::collector);
70			Publisher publisher(buddies, database, Zoe::publisher);
71	douglas	7	}
72
73	douglas	13	bool Zoe::debug(false), Zoe::collector(false), Zoe::publisher(false);
74	douglas	7	ext::String Zoe::program, Zoe::config("zoe.xml");
75
76	douglas	25	ext::String Zoe::generator()
77			{
78			utsname system;
79
80			uname(&system);
81
82	douglas	34	return _S("Zoe/0.9 (") + system.sysname + "; http://computers.douglasthrift.net/zoe.xml)";
83	douglas	25	}
84
85	douglas	7	void Zoe::configure()
86			{
87	douglas	21	if (debug) cerr << "config = " << config << '\n';
88
89	douglas	7	ext::Handle<xml::Document> document(xml::Parse(config));
90			ext::Handle<xml::Node> zoe(*document/"zoe");
91
92	douglas	12	login = std::string(*zoe/"login");
93			password = std::string(*zoe/"password");
94	douglas	21	database.driver = std::string(*zoe/"database"/"driver");
95			database.host = std::string(*zoe/"database"/"host");
96			database.user = std::string(*zoe/"database"/"user");
97	douglas	7
98	douglas	21	if ((*zoe/"database"/"password").IsEmpty())
99			{
100	douglas	34	ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "") + database.host
101			+ (!database.user.IsEmpty() ? "'s " : "") + "Database Password: ");
102	douglas	21	char* password(getpass(prompt.NullTerminate()));
103
104			database.password = password;
105
106	douglas	34	for (size_t index(std::strlen(password)); index > 0; --index) password[index - 1] = '\0';
107	douglas	21	}
108			else database.password = std::string(*zoe/"database"/"password");
109
110			database.db = std::string(*zoe/"database"/"db");
111
112	douglas	34	if (debug) cerr << "login = " << login << "\npassword = " << std::string(password.GetSize(), '*') << "\ndatabase = {\n"
113			<< " driver = " << database.driver << "\n host=" << database.host << "\n user = " << database.user << '\n'
114			<< " password = " << std::string(database.password.GetSize(), '*') << "\n db = " << database.db << "\n}\n";
115	douglas	21
116	douglas	12	xml::NodeSet buddies(*zoe/"buddy");
117
118	douglas	34	for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End(); ++buddy)
119			this->buddies.insert(Buddy(buddy/"login", buddy/"rss"));
120	douglas	21
121			if (debug)
122	douglas	12	{
123	douglas	21	cerr << "buddies = {\n";
124
125	douglas	34	for (std::set<Buddy>::const_iterator buddy(this->buddies.begin()); buddy != this->buddies.end(); ++buddy)
126			cerr << " " << *buddy << " = " << buddy->getRss() << '\n';
127	douglas	21
128			cerr << "}\n";
129	douglas	12	}
130	douglas	13
131			if (!collector && !publisher)
132			{
133			collector = true;
134			publisher = true;
135			}
136	douglas	21
137			if (debug) cerr << "collector = " << lexical_cast<ext::String>(collector)
138			<< "\npublisher = " << lexical_cast<ext::String>(publisher) << '\n';
139	douglas	7	}
140	douglas	21
141			void Zoe::initialize()
142			{
143	douglas	34	ext::Handle<dbi::Connection> db(dbi::Connect(database.driver, database.host, database.user, database.password,
144			database.db));
145	douglas	21	ext::Handle<dbi::ResultSet> buddies(db->Execute("SELECT * FROM buddies"));
146			std::set<Buddy> buddies_;
147
148			while (buddies->MoveNext())
149			{
150			Buddy buddy(*this->buddies.find(buddies->GetString("buddy")));
151
152			buddy.setId(lexical_cast<ext::Uuid>(buddies->GetString("id")));
153			buddies_.insert(buddy);
154			}
155
156			std::vector<Buddy> difference;
157
158	douglas	34	set_difference(this->buddies.begin(), this->buddies.end(), buddies_.begin(), buddies_.end(),
159			std::insert_iterator<std::vector<Buddy> >(difference, difference.begin()));
160	douglas	21
161	douglas	34	for (std::vector<Buddy>::iterator buddy(difference.begin()); buddy != difference.end(); ++buddy)
162	douglas	21	{
163			ext::Uuid id;
164
165			api::Uuid::CreateSequential(id);
166
167			buddy->setId(id);
168	douglas	34	db->Execute("INSERT INTO buddies (id, buddy) VALUES ('" + lexical_cast<ext::String>(id) + "', '"
169			+ ext::String(*buddy) + "')");
170	douglas	21
171			buddies_.insert(*buddy);
172			}
173
174			this->buddies = buddies_;
175			}