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root/zoe/trunk/Zoe.cpp

Comparing trunk/Zoe.cpp (file contents):
Revision 5 by douglas, 2004-07-09T15:04:18-07:00 vs.
Revision 62 by douglas, 2004-09-16T17:14:13-07:00

#	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	>	#include <pwd.h>
21	>	#include <sys/utsname.h>
22	>	#include <unistd.h>
23	>	}
24	>
25	>	struct ZoeCommand : public app::Application
26	>	{
27	>	virtual int Run(const app::ArgumentList& args)
28	>	{
29	>	Zoe::program = api::GetExecutableName();
30	>
31	>	for (size_t index(0); index < args.GetSize(); ++index)
32	>	{
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	>	}
58	>
59	>	Zoe zoe;
60	>
61	>	return 0;
62	>	}
63	>	} zoe;
64	>
65	>	Zoe::Zoe()
66	>	{
67	>	if (!(collector || publisher)) usage();
68	>
69	>	configure();
70	>
71	>	Collector collector(login, password, buddies, database, Zoe::collector);
72	>	Publisher publisher(buddies, database, Zoe::publisher);
73	>	}
74	>
75	>	bool Zoe::debug(false), Zoe::collector(false), Zoe::publisher(false),
76	>	Zoe::color(false);
77	>	ext::String Zoe::program, Zoe::config("zoe.xml");
78	>
79	>	void Zoe::usage()
80	>	{
81	>	api::Cerr << "Usage: " << Zoe::program << " [-config=config] [-collector] "
82	>	"[-publisher] [-color] [-D]\n";
83	>
84	>	exit(1);
85	>	}
86	>
87	>	ext::String Zoe::generator(Generator generator)
88	>	{
89	>	ext::String generator_(generator == all || generator == agent ? "Zoe" : "");
90	>
91	>	switch (generator)
92	>	{
93	>	case all:
94	>	generator_.InsertAllLast("/0.9");
95	>	case agent:
96	>	{
97	>	utsname system;
98	>
99	>	uname(&system);
100	>
101	>	generator_.InsertAllLast(_R(" (") + system.sysname);
102	>	}
103	>
104	>	if (generator == agent)
105	>	{
106	>	generator_.InsertAllLast(")");
107	>
108	>	break;
109	>	}
110	>	else generator_.InsertAllLast("; ");
111	>	case url:
112	>	generator_.InsertAllLast("http://computers.douglasthrift.net/zoe.xml");
113	>
114	>	if (generator == all) generator_.InsertAllLast(")");
115	>
116	>	break;
117	>	case version:
118	>	generator_ = "0.9";
119	>	}
120	>
121	>	return generator_;
122	>	}
123	>
124	>	void Zoe::configure()
125	>	{
126	>	if (debug) api::Cerr << "config = " << config << "\n";
127	>
128	>	ext::Handle<xml::Document> document(xml::Parse(config));
129	>	ext::Handle<xml::Node> zoe(*document/"zoe");
130	>
131	>	login = *zoe/"login";
132	>	password = *zoe/"password";
133	>	database.driver = *zoe/"database"/"driver";
134	>	database.host = *zoe/"database"/"host";
135	>	database.user = *zoe/"database"/"user";
136	>
137	>	if ((*zoe/"database"/"password").IsEmpty())
138	>	{
139	>	ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "")
140	>	+ database.host + (!database.user.IsEmpty() ? "'s " : "")
141	>	+ "Database Password: ");
142	>	char* password(getpass(prompt.NullTerminate()));
143	>
144	>	database.password = password;
145	>
146	>	for (size_t index(std::strlen(password)); index > 0; --index)
147	>	password[index - 1] = '\0';
148	>	}
149	>	else database.password = *zoe/"database"/"password";
150	>
151	>	database.db = *zoe/"database"/"db";
152	>
153	>	if (debug) api::Cerr << "login = " << login << "\npassword = "
154	>	<< std::string(password.GetSize(), '*') << "\ndatabase = {\n"
155	>	<< "   driver = " << database.driver << "\n   host = " << database.host
156	>	<< "\n   user = " << database.user << "\n"
157	>	<< "   password = " << std::string(database.password.GetSize(), '*')
158	>	<< "\n   db = " << database.db << "\n}\n";
159	>
160	>	ext::String link(*zoe/"link");
161	>	xml::NodeSet buddies(*zoe/"buddy");
162	>
163	>	for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End();
164	>	++buddy)
165	>	{
166	>	Buddy buddy_(**buddy/"login", **buddy/"rss", **buddy/"atom",
167	>	!(**buddy/"link").IsEmpty() ? **buddy/"link" : (link
168	>	+ ext::String(**buddy/"login") + ".html"));
169	>
170	>	this->buddies.insert(buddy_);
171	>	}
172	>
173	>	initialize();
174	>
175	>	if (debug)
176	>	{
177	>	api::Cerr << "buddies = {\n";
178	>
179	>	for (std::set<Buddy>::const_iterator buddy(this->buddies.begin());
180	>	buddy != this->buddies.end(); ++buddy)
181	>	{
182	>	api::Cerr << "   " << *buddy << " = {\n      rss = "
183	>	<< buddy->getRss() << "\n      atom = " << buddy->getAtom()
184	>	<< "\n      link = " << buddy->getLink() << "\n      id = "
185	>	<< buddy->getId() << "\n   }\n";
186	>	}
187	>
188	>	api::Cerr << "}\n";
189	>	}
190	>
191	>	if (debug) api::Cerr << "collector = " << collector << "\npublisher = "
192	>	<< publisher << "\ncolor = " << color << "\n";
193	>	}
194	>
195	>	void Zoe::initialize()
196		{
197	<	//
197	>	ext::Handle<dbi::Driver> driver(dbi::GetDriver(database.driver));
198	>	ext::Handle<dbi::Connection> db(driver->Connect(database.host,
199	>	database.user, database.password, database.db));
200	>	ext::Handle<dbi::ResultSet> buddies(db->Execute("SELECT * FROM buddies"));
201	>	std::set<Buddy> buddies_;
202	>
203	>	while (buddies->MoveNext())
204	>	{
205	>	if (this->buddies.find(buddies->GetString("buddy")) != this->buddies.end())
206	>	{
207	>	Buddy buddy(*this->buddies.find(buddies->GetString("buddy")));
208	>
209	>	buddy.setId(lexical_cast<ext::Uuid>(buddies->GetString("id")));
210	>	buddies_.insert(buddy);
211	>	}
212	>	}
213	>
214	>	std::vector<Buddy> difference;
215	>
216	>	set_difference(this->buddies.begin(), this->buddies.end(), buddies_.begin(),
217	>	buddies_.end(), std::insert_iterator<std::vector<Buddy> >(difference,
218	>	difference.begin()));
219	>
220	>	for (std::vector<Buddy>::iterator buddy(difference.begin());
221	>	buddy != difference.end(); ++buddy)
222	>	{
223	>	ext::Uuid id(api::Uuid::CreateSequential());
224	>
225	>	//              api::Uuid::CreateSequential(id);
226	>
227	>	buddy->setId(id);
228	>	db->Execute("INSERT INTO buddies (id, buddy) VALUES ('"
229	>	+ lexical_cast<ext::String>(id) + "', '" + ext::String(*buddy)
230	>	+ "')");
231	>
232	>	buddies_.insert(*buddy);
233	>	}
234
235	<	return 0;
235	>	this->buddies = buddies_;
236		}

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