nginx+fastcgi+c开发webservse

#include <stdlib.h>

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include "fcgiapp.h"
#include <string.h>
#include <string>

std::string getPara(std::string name, const std::string& src)
{
    //TODO we need a more effective and more correct implement
    std::string substr("");
    std::size_t pos = src.find(name);
    if(pos != std::string::npos)
    {
	std::size_t start = src.find('=', pos) + 1;
	std::size_t end = src.find('&', pos);
	substr = src.substr(start, end - start);
    }
    return substr;
}

int main ()
{
    FCGX_Stream *in, *out, *err;
    FCGX_ParamArray envp;

    while (FCGX_Accept(&in, &out, &err, &envp) >= 0) {
    	char *method = FCGX_GetParam("REQUEST_METHOD", envp);

    	FCGX_FPrintF(out,
		"Content-type: text/html\r\n"
		"\r\n");

    	//do POST method
    	if(strcmp(method, "POST") == 0)
    	{
            char *contentLength = FCGX_GetParam("CONTENT_LENGTH", envp);
            int len = 0;

            if (contentLength != NULL)
                len = strtol(contentLength, NULL, 10);

            if (len <= 0) {
                FCGX_FPrintF(out, "No data from standard input.\n");
            }
            else {
                char* str = new char[len+1];
                FCGX_GetStr(str, len, in);
                str[len] = 0;

                if (str)
                {
                	//TODO your POST method
                	FCGX_FPrintF(out, "this is a post method");
		}
		delete[] str;
    	}
    	//do GET method
    	else if (strcmp(method, "GET") == 0){
    	    char* str = FCGX_GetParam("QUERY_STRING", envp);

            if (str)
            {
            	//TODO your GET method
                FCGX_FPrintF(out, "this is a get method");
            }
	}
    	//do other method
    	else
    	{
    	    FCGX_FPrintF(out, "other method\n");
    	}

    } /* while */

    return 0;
}