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root/zoe/trunk/Zoe.cpp

Comparing trunk/Zoe.cpp (file contents):
Revision 8 by douglas, 2004-07-09T18:13:27-07:00 vs.
Revision 59 by douglas, 2004-09-13T23:39:30-07:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	–	#include "Zoe.hpp"
7		#include "Matcher.hpp"
8	+	#include "Collector.hpp"
9	+	#include "Publisher.hpp"
10
11	<	int main(int argc, char* argv[])
11	>	#include <menes-api/exename.hpp>
12	>	#include <menes-app/application.hpp>
13	>
14	>	#include <algorithm>
15	>	#include <cstring>
16	>	#include <iterator>
17	>
18	>	extern "C"
19		{
20	<	Zoe::program = argv[0];
20	>	#include <pwd.h>
21	>	#include <sys/utsname.h>
22	>	#include <unistd.h>
23	>	}
24
25	<	for (int index(1); index < argc; ++index)
25	>	struct ZoeCommand : public app::Application
26	>	{
27	>	virtual int Run(const app::ArgumentList& args)
28		{
29	<	ext::String arg(argv[index]);
17	<	Matcher matcher;
29	>	Zoe::program = api::GetExecutableName();
30
31	<	if (arg == matcher("^-config=(.*)$"))
31	>	for (size_t index(0); index < args.GetSize(); ++index)
32		{
33	<	Zoe::config = matcher[1];
34	<	}
35	<	else if (arg == "-D")
36	<	{
37	<	if (!Zoe::debug) Zoe::debug = true;
38	<	}
39	<	else
40	<	{
41	<	cerr << "Usage: " << Zoe::program << " [-config=config] [-D]\n";
33	>	ext::String arg(args[index]);
34	>	Matcher matcher;
35	>
36	>	if (arg == matcher("^-config=(.*)$"))
37	>	{
38	>	Zoe::config = matcher[1];
39	>	}
40	>	else if (arg == "-collector")
41	>	{
42	>	if (!Zoe::collector) Zoe::collector = true;
43	>	}
44	>	else if (arg == "-publisher")
45	>	{
46	>	if (!Zoe::publisher) Zoe::publisher = true;
47	>	}
48	>	else if (arg == "-color")
49	>	{
50	>	if (!Zoe::color) Zoe::color = true;
51	>	}
52	>	else if (arg == "-D")
53	>	{
54	>	if (!Zoe::debug) Zoe::debug = true;
55	>	}
56	>	else Zoe::usage();
57		}
31	–	}
58
59	<	Zoe zoe;
59	>	Zoe zoe;
60
61	<	return 0;
62	<	}
61	>	return 0;
62	>	}
63	>	} zoe;
64
65	<	Zoe::Zoe() : rss("zoe.rss")
65	>	Zoe::Zoe()
66		{
67	+	if (!(collector || publisher)) usage();
68	+
69		configure();
70	+	initialize();
71
72	<	// This is just to figure out Jay's XML output, seems to have worked!
73	<	xml::TextWriter rss(api::Cout.GetStream());
74	<	xml::ScopeElement root(rss, "rss");
72	>	Collector collector(login, password, buddies, database, Zoe::collector);
73	>	Publisher publisher(buddies, database, Zoe::publisher);
74	>	}
75
76	<	rss.SetAttribute("version", "2.0");
76	>	bool Zoe::debug(false), Zoe::collector(false), Zoe::publisher(false),
77	>	Zoe::color(false);
78	>	ext::String Zoe::program, Zoe::config("zoe.xml");
79
80	<	xml::ScopeElement channel(rss, "channel");
80	>	void Zoe::usage()
81	>	{
82	>	cerr << "Usage: " << Zoe::program << " [-config=config] [-collector] "
83	>	"[-publisher] [-color] [-D]\n";
84
85	<	rss.OpenElement("title");
51	<	rss.OutputText("Zoe's Away Messages");
52	<	rss.CloseElement();
53	<	rss.OpenElement("link");
54	<	rss.OutputText("http://computers.douglasthrift.net/zoe.xml");
55	<	rss.CloseElement();
85	>	exit(1);
86		}
87
88	<	bool Zoe::debug(false);
89	<	ext::String Zoe::program, Zoe::config("zoe.xml");
88	>	ext::String Zoe::generator(Generator generator)
89	>	{
90	>	ext::String generator_(generator == all || generator == agent ? "Zoe" : "");
91	>
92	>	switch (generator)
93	>	{
94	>	case all:
95	>	generator_.InsertAllLast("/0.9");
96	>	case agent:
97	>	{
98	>	utsname system;
99	>
100	>	uname(&system);
101	>
102	>	generator_.InsertAllLast(_R(" (") + system.sysname);
103	>	}
104	>
105	>	if (generator == agent)
106	>	{
107	>	generator_.InsertAllLast(")");
108	>
109	>	break;
110	>	}
111	>	else generator_.InsertAllLast("; ");
112	>	case url:
113	>	generator_.InsertAllLast("http://computers.douglasthrift.net/zoe.xml");
114	>
115	>	if (generator == all) generator_.InsertAllLast(")");
116	>
117	>	break;
118	>	case version:
119	>	generator_ = "0.9";
120	>	}
121	>
122	>	return generator_;
123	>	}
124
125		void Zoe::configure()
126		{
127	+	if (debug) cerr << "config = " << config << '\n';
128	+
129		ext::Handle<xml::Document> document(xml::Parse(config));
130		ext::Handle<xml::Node> zoe(*document/"zoe");
131
132		login = *zoe/"login";
133		password = *zoe/"password";
134	+	database.driver = *zoe/"database"/"driver";
135	+	database.host = *zoe/"database"/"host";
136	+	database.user = *zoe/"database"/"user";
137	+
138	+	if ((*zoe/"database"/"password").IsEmpty())
139	+	{
140	+	ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "")
141	+	+ database.host + (!database.user.IsEmpty() ? "'s " : "")
142	+	+ "Database Password: ");
143	+	char* password(getpass(prompt.NullTerminate()));
144	+
145	+	database.password = password;
146	+
147	+	for (size_t index(std::strlen(password)); index > 0; --index)
148	+	password[index - 1] = '\0';
149	+	}
150	+	else database.password = *zoe/"database"/"password";
151	+
152	+	database.db = *zoe/"database"/"db";
153	+
154	+	if (debug) cerr << "login = " << login << "\npassword = "
155	+	<< std::string(password.GetSize(), '*') << "\ndatabase = {\n"
156	+	<< "   driver = " << database.driver << "\n   host = " << database.host
157	+	<< "\n   user = " << database.user << '\n'
158	+	<< "   password = " << std::string(database.password.GetSize(), '*')
159	+	<< "\n   db = " << database.db << "\n}\n";
160	+
161	+	ext::String link(*zoe/"link");
162	+	xml::NodeSet buddies(*zoe/"buddy");
163	+
164	+	for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End();
165	+	++buddy)
166	+	{
167	+	Buddy buddy_(**buddy/"login", **buddy/"rss", **buddy/"atom",
168	+	!(**buddy/"link").IsEmpty() ? **buddy/"link" : (link
169	+	+ ext::String(**buddy/"login") + ".html"));
170	+
171	+	this->buddies.insert(buddy_);
172	+	}
173	+
174	+	if (debug)
175	+	{
176	+	cerr << "buddies = {\n";
177	+
178	+	for (std::set<Buddy>::const_iterator buddy(this->buddies.begin());
179	+	buddy != this->buddies.end(); ++buddy)
180	+	{
181	+	cerr << "   " << *buddy << " = {\n      rss = " << buddy->getRss()
182	+	<< "\n      atom = " << buddy->getAtom() << "\n      link = "
183	+	<< buddy->getLink() << "\n   }\n";
184	+	}
185	+
186	+	cerr << "}\n";
187	+	}
188	+
189	+	if (debug) cerr << "collector = " << lexical_cast<ext::String>(collector)
190	+	<< "\npublisher = " << lexical_cast<ext::String>(publisher)
191	+	<< "\ncolor = " << lexical_cast<ext::String>(color) << '\n';
192	+	}
193	+
194	+	void Zoe::initialize()
195	+	{
196	+	ext::Handle<dbi::Driver> driver(dbi::GetDriver(database.driver));
197	+	ext::Handle<dbi::Connection> db(driver->Connect(database.host,
198	+	database.user, database.password, database.db));
199	+	ext::Handle<dbi::ResultSet> buddies(db->Execute("SELECT * FROM buddies"));
200	+	std::set<Buddy> buddies_;
201	+
202	+	while (buddies->MoveNext())
203	+	{
204	+	if (this->buddies.find(buddies->GetString("buddy")) != this->buddies.end())
205	+	{
206	+	Buddy buddy(*this->buddies.find(buddies->GetString("buddy")));
207	+
208	+	buddy.setId(lexical_cast<ext::Uuid>(buddies->GetString("id")));
209	+	buddies_.insert(buddy);
210	+	}
211	+	}
212	+
213	+	std::vector<Buddy> difference;
214	+
215	+	set_difference(this->buddies.begin(), this->buddies.end(), buddies_.begin(),
216	+	buddies_.end(), std::insert_iterator<std::vector<Buddy> >(difference,
217	+	difference.begin()));
218	+
219	+	for (std::vector<Buddy>::iterator buddy(difference.begin());
220	+	buddy != difference.end(); ++buddy)
221	+	{
222	+	ext::Uuid id;
223	+
224	+	api::Uuid::CreateSequential(id);
225	+
226	+	buddy->setId(id);
227	+	db->Execute("INSERT INTO buddies (id, buddy) VALUES ('"
228	+	+ lexical_cast<ext::String>(id) + "', '" + ext::String(*buddy)
229	+	+ "')");
230	+
231	+	buddies_.insert(*buddy);
232	+	}
233
234	<	if (!(*zoe/"rss").IsEmpty()) rss = *zoe/"rss";
234	>	this->buddies = buddies_;
235		}

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