Getting environment variables

"Sebastian Beyer" <[email protected]> Fri, 18 Nov 2005 15:35:14 +0100
Newsgroups	gmane.comp.web.fastcgi.devel
Message-ID	<[email protected]>
Hi,

I wrote a programm, I call from a HTML Page with a Formular, that gives me
environment variables. It works perfect with CGI.  

#include <iostream>

#include <string>

using namespace std;

class Environment {

public:

            Environment (char* envp[])

            : m_envp(envp)

            {}

            string get (string ENVname)

            {          ENVname += "=";

                        int i = 0;

                        while (m_envp[i]!=NULL) {

                                   string envParam (m_envp[i]);

                                   if (envParam.find (ENVname)==0)

                                               return envParam.erase(0,
ENVname.length());

                                   i++;

                        }

                        throw "Environment variable " + ENVname + "not
found";}

protected:

            char** m_envp;};

int main(int argc, char* argv[], char* envp[]) {

try {

cout << "  <h3>Environment variables</h3>" << endl;

            cout << "  <p>" << endl;

            int i = 0;

            while (envp[i]!=NULL) {

                        cout << "    " << envp[i] << "<br>" << endl;

                        i++;}

            cout << "  </p>" << endl;

            cout << "  <h3>Formular-Echo</h3>" << endl;

            Environment ENV (envp);

string RequestMethod = ENV.get("REQUEST_METHOD");

cout << "  <p>You have send the following formulardata with " <<
RequestMethod << "</p>" << endl;

cout << "  <p><strong>ParameterString:</strong><br>" << endl; 

            string ParameterString;

            if (RequestMethod == "GET") {

                        ParameterString = ENV.get("QUERY_STRING");

                        cout << ParameterString << endl;}

            else if (RequestMethod == "POST") {

                        cout << "<pre style=\"background-color:#EEEEEE\">"
<< endl;

                        const int length = 1000;

                        char buffer [length];

                        cin.getline (buffer, length);

                        while (cin) {

                                    cout << Puffer << endl;

                                    cin.getline (Puffer, Laenge);}

                        cout << "</pre>" << endl;}

            else throw "Not valid REQUEST_METHOD: " +
ENV.get("REQUEST_METHOD");

            cout << "  </p>" << endl;

}

            catch (string text) {

                        cout << endl;

                        cout << "<h3>FEHLER: " << text.c_str() << ".</h3>"
<< endl;}

            cout << "</body>" << endl;

            cout << "</html>" << endl;

return 0;}

For fastCGI I thought I just include the fcgi_stdio.h, include the library
and put a  while (FCGI_Accept() >= 0)   { } around the code in main. But try
and catch doesn't seem to work, because it only gives me a
<html><body></body></html>

I also tried the example from
http://www.fastcgi.com/devkit/doc/fcgi-devel-kit.htm#S1 but
getenv("SERVER_NAME") returns nothing. The echo-cpp.cpp works fine but do I
really have to do it that way to get the environment???
 
Hope this mail is not formatted too bad. ;-)
Greetings
Sebastian Beyer

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