repos/HostUpdate/HostUpdate.cpp

// Host Update
//
// Douglas Thrift
//
// $Id$

#include "HostUpdate.hpp"
#include "Host.hpp"

int main(int argc, char* argv[])
{
        HostUpdate update;

        return 0;
}

HostUpdate::HostUpdate()
{
        struct stat* hosts = new struct stat;

        if (stat("hosts", hosts) != 0)
        {
                mkdir("hosts");
        }

        delete [] hosts;

        string agent = sgetenv("HTTP_USER_AGENT");
        string method = sgetenv("REQUEST_METHOD");

        parse(method);

        if (agent.find("Host Update/") == 0 && method == "POST" && agent.find(" (")
                != string::npos && agent.find(") libwww-perl/") != string::npos)
        {
                update(agent);
        }
        else
        {
                display();
        }
}

HostUpdate::~HostUpdate()
{
        //
}

void HostUpdate::parse(const string& method)
{
        string query;

        if (method == "POST")
        {
                getline(cin, query);
        }
        else
        {
                query = sgetenv("QUERY_STRING");
        }

        if (query == "") return;

        istringstream input(query);

        do
        {
                string name, value;

                getline(input, name, '=');
                getline(input, value, '&');

                cgi.insert(pair<string, string>(name, value));
        }
        while (input.good());
}

void HostUpdate::update(const string& agent)
{
        cout << "Content-Type: text/plain\n\n";

        multimap<string, string>::iterator itor = cgi.find("host");
        
        if (itor == cgi.end()) return;
        if (itor->second == "") return;

        string host = itor->second, name = sgetenv("REMOTE_HOST"), address =
           sgetenv("REMOTE_ADDR");

        string::size_type begin = agent.find('(') + 1, end = agent.find(')',
                begin);
        string platform = agent.substr(begin, end - begin);

        Host client(host, name, address, platform), saved(host);

        cout << "host=" << client.getHost() << '\n'
                << "name=" << client.getName() << '\n'
                << "address=" << client.getAddress() << '\n'
                << "platform=" << client.getPlatform() << '\n';

        if (client != ++saved) client--;
}

void HostUpdate::display()
{
        cout << "Content-Type: text/plain\n\n";

        set<Host> hosts;
        DIR* dir = opendir("hosts");
        struct dirent* ent;

        while ((ent = readdir(dir)) != NULL)
        {
                string file = ent->d_name;

                if (file == "." || file == "..") continue;
                
                Host host(file);

                hosts.insert(++host);
        }

        closedir(dir);

        for (set<Host>::iterator itor = hosts.begin(); itor != hosts.end(); itor++)
        {
                Host host = *itor;

                cout << "host=" << host.getHost() << '\n'
                        << "name=" << host.getName() << '\n'
                        << "address=" << host.getAddress() << '\n'
                        << "platform=" << host.getPlatform() << "\n\n";
        }
}
Revision:	15
Committed:	2003-11-09T16:51:42-08:00 (21 years, 7 months ago) by Douglas Thrift
File size:	2376 byte(s)
Log Message:	Ah, much better; I'll wait to do binary another day.
#	User	Rev	Content
1	Douglas Thrift	3	// Host Update
2			//
3			// Douglas Thrift
4			//
5			// $Id$
6
7			#include "HostUpdate.hpp"
8	Douglas Thrift	9	#include "Host.hpp"
9	Douglas Thrift	3
10			int main(int argc, char* argv[])
11			{
12			HostUpdate update;
13
14			return 0;
15			}
16
17			HostUpdate::HostUpdate()
18			{
19	Douglas Thrift	12	struct stat* hosts = new struct stat;
20	Douglas Thrift	3
21	Douglas Thrift	12	if (stat("hosts", hosts) != 0)
22			{
23			mkdir("hosts");
24			}
25	Douglas Thrift	3
26	Douglas Thrift	12	delete [] hosts;
27	Douglas Thrift	10
28	Douglas Thrift	15	string agent = sgetenv("HTTP_USER_AGENT");
29			string method = sgetenv("REQUEST_METHOD");
30	Douglas Thrift	10
31	Douglas Thrift	15	parse(method);
32	Douglas Thrift	10
33	Douglas Thrift	13	if (agent.find("Host Update/") == 0 && method == "POST" && agent.find(" (")
34	Douglas Thrift	12	!= string::npos && agent.find(") libwww-perl/") != string::npos)
35			{
36	Douglas Thrift	15	update(agent);
37	Douglas Thrift	12	}
38			else
39			{
40	Douglas Thrift	15	display();
41	Douglas Thrift	12	}
42	Douglas Thrift	3	}
43
44			HostUpdate::~HostUpdate()
45			{
46	Douglas Thrift	10	//
47	Douglas Thrift	3	}
48	Douglas Thrift	12
49	Douglas Thrift	15	void HostUpdate::parse(const string& method)
50	Douglas Thrift	12	{
51	Douglas Thrift	15	string query;
52	Douglas Thrift	12
53	Douglas Thrift	15	if (method == "POST")
54			{
55			getline(cin, query);
56			}
57			else
58			{
59			query = sgetenv("QUERY_STRING");
60			}
61	Douglas Thrift	12
62	Douglas Thrift	15	if (query == "") return;
63	Douglas Thrift	12
64	Douglas Thrift	15	istringstream input(query);
65	Douglas Thrift	12
66	Douglas Thrift	15	do
67			{
68			string name, value;
69	Douglas Thrift	12
70	Douglas Thrift	15	getline(input, name, '=');
71			getline(input, value, '&');
72
73			cgi.insert(pair<string, string>(name, value));
74			}
75			while (input.good());
76			}
77
78			void HostUpdate::update(const string& agent)
79			{
80			cout << "Content-Type: text/plain\n\n";
81
82			multimap<string, string>::iterator itor = cgi.find("host");
83
84			if (itor == cgi.end()) return;
85			if (itor->second == "") return;
86
87			string host = itor->second, name = sgetenv("REMOTE_HOST"), address =
88			sgetenv("REMOTE_ADDR");
89
90	Douglas Thrift	13	string::size_type begin = agent.find('(') + 1, end = agent.find(')',
91			begin);
92	Douglas Thrift	12	string platform = agent.substr(begin, end - begin);
93	Douglas Thrift	13
94			Host client(host, name, address, platform), saved(host);
95
96	Douglas Thrift	15	cout << "host=" << client.getHost() << '\n'
97			<< "name=" << client.getName() << '\n'
98			<< "address=" << client.getAddress() << '\n'
99			<< "platform=" << client.getPlatform() << '\n';
100
101	Douglas Thrift	13	if (client != ++saved) client--;
102	Douglas Thrift	12	}
103
104	Douglas Thrift	15	void HostUpdate::display()
105	Douglas Thrift	12	{
106	Douglas Thrift	14	cout << "Content-Type: text/plain\n\n";
107
108			set<Host> hosts;
109	Douglas Thrift	15	DIR* dir = opendir("hosts");
110	Douglas Thrift	14	struct dirent* ent;
111
112			while ((ent = readdir(dir)) != NULL)
113			{
114			string file = ent->d_name;
115
116			if (file == "." \|\| file == "..") continue;
117
118			Host host(file);
119
120			hosts.insert(++host);
121			}
122	Douglas Thrift	15
123	Douglas Thrift	14	closedir(dir);
124
125			for (set<Host>::iterator itor = hosts.begin(); itor != hosts.end(); itor++)
126			{
127			Host host = *itor;
128
129			cout << "host=" << host.getHost() << '\n'
130			<< "name=" << host.getName() << '\n'
131			<< "address=" << host.getAddress() << '\n'
132			<< "platform=" << host.getPlatform() << "\n\n";
133			}
134	Douglas Thrift	12	}