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// Zoe AIM Away Message RSS Feed Generator |
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// |
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// Seth King and Douglas Thrift |
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// |
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// $Id$ |
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|
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#include "Matcher.hpp" |
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#include "Collector.hpp" |
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#include "Publisher.hpp" |
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|
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#include <menes-api/exename.hpp> |
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#include <menes-app/application.hpp> |
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|
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#include <algorithm> |
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#include <cstring> |
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#include <iterator> |
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|
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extern "C" |
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{ |
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#include <pwd.h> |
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#include <sys/utsname.h> |
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#include <unistd.h> |
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} |
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|
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struct ZoeCommand : public app::Application |
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{ |
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virtual int Run(const app::ArgumentList& args) |
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{ |
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Zoe::program = api::GetExecutableName(); |
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|
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for (size_t index(0); index < args.GetSize(); ++index) |
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{ |
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ext::String arg(args[index]); |
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Matcher matcher; |
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|
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if (arg == matcher("^-config=(.*)$")) |
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{ |
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Zoe::config = matcher[1]; |
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} |
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else if (arg == "-collector") |
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{ |
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if (!Zoe::collector) Zoe::collector = true; |
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} |
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else if (arg == "-publisher") |
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{ |
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if (!Zoe::publisher) Zoe::publisher = true; |
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} |
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else if (arg == "-color") |
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{ |
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if (!Zoe::color) Zoe::color = true; |
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} |
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else if (arg == "-D") |
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{ |
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if (!Zoe::debug) Zoe::debug = true; |
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} |
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else Zoe::usage(); |
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} |
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|
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Zoe zoe; |
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|
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return 0; |
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} |
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} zoe; |
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|
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Zoe::Zoe() |
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{ |
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if (!(collector || publisher)) usage(); |
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|
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configure(); |
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initialize(); |
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|
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Collector collector(login, password, buddies, database, Zoe::collector); |
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Publisher publisher(buddies, database, Zoe::publisher); |
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} |
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|
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bool Zoe::debug(false), Zoe::collector(false), Zoe::publisher(false), |
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Zoe::color(false); |
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ext::String Zoe::program, Zoe::config("zoe.xml"); |
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|
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void Zoe::usage() |
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{ |
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cerr << "Usage: " << Zoe::program << " [-config=config] [-collector] " |
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"[-publisher] [-color] [-D]\n"; |
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|
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exit(1); |
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} |
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|
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ext::String Zoe::generator(Generator generator) |
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{ |
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ext::String generator_(generator == all || generator == agent ? "Zoe" : ""); |
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|
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switch (generator) |
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{ |
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case all: |
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generator_.InsertAllLast("/0.9"); |
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case agent: |
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{ |
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utsname system; |
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|
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uname(&system); |
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|
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generator_.InsertAllLast(_S(" (") + system.sysname); |
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} |
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|
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if (generator == agent) |
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{ |
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generator_.InsertAllLast(")"); |
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|
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break; |
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} |
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else generator_.InsertAllLast("; "); |
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case url: |
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generator_.InsertAllLast("http://computers.douglasthrift.net/zoe.xml"); |
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|
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if (generator == all) generator_.InsertAllLast(")"); |
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|
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break; |
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case version: |
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generator_ = "0.9"; |
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} |
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|
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return generator_; |
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} |
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|
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void Zoe::configure() |
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{ |
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if (debug) cerr << "config = " << config << '\n'; |
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|
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ext::Handle<xml::Document> document(xml::Parse(config)); |
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ext::Handle<xml::Node> zoe(*document/"zoe"); |
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|
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login = *zoe/"login"; |
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password = *zoe/"password"; |
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database.driver = *zoe/"database"/"driver"; |
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database.host = *zoe/"database"/"host"; |
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database.user = *zoe/"database"/"user"; |
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|
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if ((*zoe/"database"/"password").IsEmpty()) |
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{ |
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ext::String prompt(database.user + (!database.host.IsEmpty() ? "@" : "") |
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+ database.host + (!database.user.IsEmpty() ? "'s " : "") |
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+ "Database Password: "); |
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char* password(getpass(prompt.NullTerminate())); |
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|
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database.password = password; |
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|
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for (size_t index(std::strlen(password)); index > 0; --index) |
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password[index - 1] = '\0'; |
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} |
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else database.password = *zoe/"database"/"password"; |
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|
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database.db = *zoe/"database"/"db"; |
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|
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if (debug) cerr << "login = " << login << "\npassword = " |
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<< std::string(password.GetSize(), '*') << "\ndatabase = {\n" |
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<< " driver = " << database.driver << "\n host = " << database.host |
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<< "\n user = " << database.user << '\n' |
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<< " password = " << std::string(database.password.GetSize(), '*') |
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<< "\n db = " << database.db << "\n}\n"; |
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|
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ext::String link(*zoe/"link"); |
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xml::NodeSet buddies(*zoe/"buddy"); |
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|
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for (xml::NodeSet::Iterator buddy(buddies.Begin()); buddy != buddies.End(); |
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++buddy) |
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{ |
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Buddy buddy_(**buddy/"login", **buddy/"rss", **buddy/"atom", |
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!(**buddy/"link").IsEmpty() ? **buddy/"link" : (link |
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+ ext::String(**buddy/"login") + ".html")); |
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|
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this->buddies.insert(buddy_); |
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} |
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|
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if (debug) |
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{ |
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cerr << "buddies = {\n"; |
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|
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for (std::set<Buddy>::const_iterator buddy(this->buddies.begin()); |
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buddy != this->buddies.end(); ++buddy) |
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{ |
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cerr << " " << *buddy << " = {\n rss = " << buddy->getRss() |
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<< "\n atom = " << buddy->getAtom() << "\n link = " |
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<< buddy->getLink() << "\n }\n"; |
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} |
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|
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cerr << "}\n"; |
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} |
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|
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if (debug) cerr << "collector = " << lexical_cast<ext::String>(collector) |
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<< "\npublisher = " << lexical_cast<ext::String>(publisher) |
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<< "\ncolor = " << lexical_cast<ext::String>(color) << '\n'; |
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} |
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|
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void Zoe::initialize() |
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{ |
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ext::Handle<dbi::Connection> db(dbi::Connect(database.driver, database.host, |
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database.user, database.password, database.db)); |
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ext::Handle<dbi::ResultSet> buddies(db->Execute("SELECT * FROM buddies")); |
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std::set<Buddy> buddies_; |
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|
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while (buddies->MoveNext()) |
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{ |
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if (this->buddies.find(buddies->GetString("buddy")) != this->buddies.end()) |
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{ |
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Buddy buddy(*this->buddies.find(buddies->GetString("buddy"))); |
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|
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buddy.setId(lexical_cast<ext::Uuid>(buddies->GetString("id"))); |
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buddies_.insert(buddy); |
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} |
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} |
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|
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std::vector<Buddy> difference; |
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|
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set_difference(this->buddies.begin(), this->buddies.end(), buddies_.begin(), |
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buddies_.end(), std::insert_iterator<std::vector<Buddy> >(difference, |
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difference.begin())); |
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|
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for (std::vector<Buddy>::iterator buddy(difference.begin()); |
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buddy != difference.end(); ++buddy) |
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{ |
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ext::Uuid id; |
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|
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api::Uuid::CreateSequential(id); |
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|
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buddy->setId(id); |
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db->Execute("INSERT INTO buddies (id, buddy) VALUES ('" |
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+ lexical_cast<ext::String>(id) + "', '" + ext::String(*buddy) |
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+ "')"); |
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|
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buddies_.insert(*buddy); |
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} |
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|
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this->buddies = buddies_; |
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} |
