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root/zoe/trunk/Zoe.cpp

Comparing trunk/Zoe.cpp (file contents):
Revision 11 by douglas, 2004-07-10T22:30:54-07:00 vs.
Revision 52 by douglas, 2004-08-30T17:12:49-07:00

#	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 <algorithm>
12	>	#include <cstring>
13	>	#include <iterator>
14	>
15	>	extern "C"
16	>	{
17	>	#include <pwd.h>
18	>	#include <sys/utsname.h>
19	>	#include <unistd.h>
20	>	}
21	>
22	>	int zoe(const std::vector<const char*> args)
23		{
24	<	Zoe::program = argv[0];
24	>	Zoe::program = args[0];
25
26	<	for (int index(1); index < argc; ++index)
26	>	for (int index(1); index < args.size(); ++index)
27		{
28	<	ext::String arg(argv[index]);
28	>	ext::String arg(args[index]);
29		Matcher matcher;
30
31		if (arg == matcher("^-config=(.*)$"))
32		{
33		Zoe::config = matcher[1];
34		}
35	<	else if (arg == "-D")
35	>	else if (arg == "-collector")
36		{
37	<	if (!Zoe::debug) Zoe::debug = true;
37	>	if (!Zoe::collector) Zoe::collector = true;
38		}
39	<	else
39	>	else if (arg == "-publisher")
40		{
41	<	cerr << "Usage: " << Zoe::program << " [-config=config] [-D]\n";
42	<
43	<	return 1;
41	>	if (!Zoe::publisher) Zoe::publisher = true;
42	>	}
43	>	else if (arg == "-color")
44	>	{
45	>	if (!Zoe::color) Zoe::color = true;
46		}
47	+	else if (arg == "-D")
48	+	{
49	+	if (!Zoe::debug) Zoe::debug = true;
50	+	}
51	+	else Zoe::usage();
52		}
53
54		Zoe zoe;
#	Line 37 | Line 56 | int main(int argc, char* argv[])
56		return 0;
57		}
58
59	<	Zoe::Zoe() : rss("zoe.rss")
59	>	int main(int argc, char* argv[])
60	>	{
61	>	std::vector<const char*> args(argv, argv + argc);
62	>
63	>	return app::be::ThreadMain_(etl::BindAll(&zoe, args));
64	>	}
65	>
66	>	Zoe::Zoe()
67		{
68	+	if (!(collector || publisher)) usage();
69	+
70		configure();
71	+	initialize();
72
73	<	// This is just to figure out Jay's XML output, seems to have worked!
74	<	// It should really go in Rss.cpp later
75	<	api::FileOutputStream fout(this->rss != "-" ? this->rss : "/dev/null");
47	<	xml::TextWriter rss(this->rss != "-" ? fout : api::Cout.GetStream());
48	<	xml::ScopeElement root(rss, "rss");
73	>	Collector collector(login, password, buddies, database, Zoe::collector);
74	>	Publisher publisher(buddies, database, Zoe::publisher);
75	>	}
76
77	<	rss.SetAttribute("version", "2.0");
77	>	bool Zoe::debug(false), Zoe::collector(false), Zoe::publisher(false),
78	>	Zoe::color(false);
79	>	ext::String Zoe::program, Zoe::config("zoe.xml");
80
81	<	xml::ScopeElement channel(rss, "channel");
81	>	void Zoe::usage()
82	>	{
83	>	cerr << "Usage: " << Zoe::program << " [-config=config] [-collector] "
84	>	"[-publisher] [-color] [-D]\n";
85
86	<	rss.OpenElement("title");
55	<	rss.OutputText("Zoe's Away Messages");
56	<	rss.CloseElement();
57	<	rss.OpenElement("link");
58	<	rss.OutputText("http://computers.douglasthrift.net/zoe.xml");
59	<	rss.CloseElement();
86	>	exit(1);
87		}
88
89	<	bool Zoe::debug(false);
90	<	ext::String Zoe::program, Zoe::config("zoe.xml");
89	>	ext::String Zoe::generator(Generator generator)
90	>	{
91	>	ext::String generator_(generator == all || generator == agent ? "Zoe" : "");
92	>
93	>	switch (generator)
94	>	{
95	>	case all:
96	>	generator_.InsertAllLast("/0.9");
97	>	case agent:
98	>	{
99	>	utsname system;
100	>
101	>	uname(&system);
102	>
103	>	generator_.InsertAllLast(_S(" (") + system.sysname);
104	>	}
105	>
106	>	if (generator == agent)
107	>	{
108	>	generator_.InsertAllLast(")");
109	>
110	>	break;
111	>	}
112	>	else generator_.InsertAllLast("; ");
113	>	case url:
114	>	generator_.InsertAllLast("http://computers.douglasthrift.net/zoe.xml");
115	>
116	>	if (generator == all) generator_.InsertAllLast(")");
117	>
118	>	break;
119	>	case version:
120	>	generator_ = "0.9";
121	>	}
122	>
123	>	return generator_;
124	>	}
125
126		void Zoe::configure()
127		{
128	+	if (debug) cerr << "config = " << config << '\n';
129	+
130		ext::Handle<xml::Document> document(xml::Parse(config));
131		ext::Handle<xml::Node> zoe(*document/"zoe");
132
133		login = *zoe/"login";
134		password = *zoe/"password";
135	+	database.driver = *zoe/"database"/"driver";
136	+	database.host = *zoe/"database"/"host";
137	+	database.user = *zoe/"database"/"user";
138	+
139	+	if ((*zoe/"database"/"password").IsEmpty())
140	+	{
141	+	ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "")
142	+	+ database.host + (!database.user.IsEmpty() ? "'s " : "")
143	+	+ "Database Password: ");
144	+	char* password(getpass(prompt.NullTerminate()));
145	+
146	+	database.password = password;
147	+
148	+	for (size_t index(std::strlen(password)); index > 0; --index)
149	+	password[index - 1] = '\0';
150	+	}
151	+	else database.password = *zoe/"database"/"password";
152	+
153	+	database.db = *zoe/"database"/"db";
154	+
155	+	if (debug) cerr << "login = " << login << "\npassword = "
156	+	<< std::string(password.GetSize(), '*') << "\ndatabase = {\n"
157	+	<< "   driver = " << database.driver << "\n   host=" << database.host
158	+	<< "\n   user = " << database.user << '\n'
159	+	<< "   password = " << std::string(database.password.GetSize(), '*')
160	+	<< "\n   db = " << database.db << "\n}\n";
161	+
162	+	ext::String link(*zoe/"link");
163	+	xml::NodeSet buddies(*zoe/"buddy");
164	+
165	+	for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End();
166	+	++buddy)
167	+	{
168	+	Buddy buddy_(**buddy/"login", **buddy/"rss", **buddy/"atom",
169	+	!(**buddy/"link").IsEmpty() ? **buddy/"link" : (link
170	+	+ ext::String(**buddy/"login") + ".html"));
171	+
172	+	this->buddies.insert(buddy_);
173	+	}
174	+
175	+	if (debug)
176	+	{
177	+	cerr << "buddies = {\n";
178	+
179	+	for (std::set<Buddy>::const_iterator buddy(this->buddies.begin());
180	+	buddy != this->buddies.end(); ++buddy)
181	+	{
182	+	cerr << "   " << *buddy << " = {\n      rss = " << buddy->getRss()
183	+	<< "\n      atom = " << buddy->getAtom() << "\n      link = "
184	+	<< buddy->getLink() << "\n   }\n";
185	+	}
186	+
187	+	cerr << "}\n";
188	+	}
189	+
190	+	if (debug) cerr << "collector = " << lexical_cast<ext::String>(collector)
191	+	<< "\npublisher = " << lexical_cast<ext::String>(publisher)
192	+	<< "\ncolor = " << lexical_cast<ext::String>(color) << '\n';
193	+	}
194	+
195	+	void Zoe::initialize()
196	+	{
197	+	ext::Handle<dbi::Connection> db(dbi::Connect(database.driver, 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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