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 ext::String("Zoe/0.9 (") + system.sysname + "; http://computers.doug"
                + "lasthrift.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 " : "") + "Databa"
                        + "se 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   use"
                << "r = " << 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 ('" + id + "', '" +
                        *buddy + "')");
                
                buddies_.insert(*buddy);
        }

        this->buddies = buddies_;
}
Revision:	31
Committed:	2004-07-20T00:11:56-07:00 (20 years, 11 months ago) by douglas
File size:	4579 byte(s)
Log Message:	Ooh, pretty colors, and hourly updates, maybe.
#	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			return ext::String("Zoe/0.9 (") + system.sysname + "; http://computers.doug"
83			+ "lasthrift.net/zoe.xml)";
84			}
85
86	douglas	7	void Zoe::configure()
87			{
88	douglas	21	if (debug) cerr << "config = " << config << '\n';
89
90	douglas	7	ext::Handle<xml::Document> document(xml::Parse(config));
91			ext::Handle<xml::Node> zoe(*document/"zoe");
92
93	douglas	12	login = std::string(*zoe/"login");
94			password = std::string(*zoe/"password");
95	douglas	21	database.driver = std::string(*zoe/"database"/"driver");
96			database.host = std::string(*zoe/"database"/"host");
97			database.user = std::string(*zoe/"database"/"user");
98	douglas	7
99	douglas	21	if ((*zoe/"database"/"password").IsEmpty())
100			{
101			ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "")
102			+ database.host + (!database.user.IsEmpty() ? "'s " : "") + "Databa"
103			+ "se Password: ");
104			char* password(getpass(prompt.NullTerminate()));
105
106			database.password = password;
107
108			for (size_t index(std::strlen(password)); index > 0; --index)
109			password[index - 1] = '\0';
110			}
111			else database.password = std::string(*zoe/"database"/"password");
112
113			database.db = std::string(*zoe/"database"/"db");
114
115			if (debug) cerr << "login = " << login << "\npassword = "
116			<< std::string(password.GetSize(), '*') << "\ndatabase = {\n driver ="
117			<< ' ' << database.driver << "\n host=" << database.host << "\n use"
118			<< "r = " << database.user << "\n password = "
119			<< std::string(database.password.GetSize(), '*') << "\n db = "
120			<< database.db << "\n}\n";
121
122	douglas	12	xml::NodeSet buddies(*zoe/"buddy");
123
124			for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End();
125	douglas	21	++buddy) this->buddies.insert(Buddy(buddy/"login", buddy/"rss"));
126
127			if (debug)
128	douglas	12	{
129	douglas	21	cerr << "buddies = {\n";
130
131			for (std::set<Buddy>::const_iterator buddy(this->buddies.begin()); buddy
132	douglas	31	!= this->buddies.end(); ++buddy) cerr << " " << *buddy << " = "
133			<< buddy->getRss() << '\n';
134	douglas	21
135			cerr << "}\n";
136	douglas	12	}
137	douglas	13
138			if (!collector && !publisher)
139			{
140			collector = true;
141			publisher = true;
142			}
143	douglas	21
144			if (debug) cerr << "collector = " << lexical_cast<ext::String>(collector)
145			<< "\npublisher = " << lexical_cast<ext::String>(publisher) << '\n';
146	douglas	7	}
147	douglas	21
148			void Zoe::initialize()
149			{
150			ext::Handle<dbi::Connection> db(dbi::Connect(database.driver, database.host,
151			database.user, database.password, database.db));
152			ext::Handle<dbi::ResultSet> buddies(db->Execute("SELECT * FROM buddies"));
153			std::set<Buddy> buddies_;
154
155			while (buddies->MoveNext())
156			{
157			Buddy buddy(*this->buddies.find(buddies->GetString("buddy")));
158
159			buddy.setId(lexical_cast<ext::Uuid>(buddies->GetString("id")));
160			buddies_.insert(buddy);
161			}
162
163			std::vector<Buddy> difference;
164
165			set_difference(this->buddies.begin(), this->buddies.end(), buddies_.begin(),
166			buddies_.end(), std::insert_iterator<std::vector<Buddy> >(difference,
167			difference.begin()));
168
169			for (std::vector<Buddy>::iterator buddy(difference.begin()); buddy !=
170			difference.end(); ++buddy)
171			{
172			ext::Uuid id;
173
174			api::Uuid::CreateSequential(id);
175
176			buddy->setId(id);
177	douglas	30	db->Execute("INSERT INTO buddies (id, buddy) VALUES ('" + id + "', '" +
178			*buddy + "')");
179	douglas	21
180			buddies_.insert(*buddy);
181			}
182
183			this->buddies = buddies_;
184			}