Commit 62e18552 authored by Garrett Rooney's avatar Garrett Rooney
Browse files

Add support for starting multiple fastcgi processes listening on a 

given socket.  This somewhat makes up for our lack of a good way to
manage connections to a given proxy backend.

* support/fcgistarter.c
  (main): Accept a new -N option that controls how many child procs
   we fork off.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/fcgi-proxy-dev@383774 13f79535-47bb-0310-9956-ffa450edef68
parent 79cdf3a4

support/fcgistarter.c

+66 −52
Original line number Diff line number Diff line
@@ -29,12 +29,14 @@ 
#include <unistd.h> /* For execl */

#endif



static const char *usage_message =

    "usage: fcgistarter -c <command> -p <port> [-i <interface> -N <num>]\n"

    "\n"

    "If an interface is not specified, any available will be used.\n";



static void usage()

{

    fprintf(stderr,

            "usage: fcgistarter -c <command> -p <port> [-i <interface>]\n"

            "\n"

            "If an interface is not specified, any available will be used.\n");

    fprintf(stderr, "%s", usage_message);



    exit(EXIT_FAILURE);

}
@@ -64,9 +66,9 @@ int main(int argc, const char *argv[]) 




    /* Command line arguments */

    int num_to_start = 1, port = 0;

    const char *interface = NULL;

    const char *command = NULL;

    int port = 0;



    apr_initialize();
@@ -83,7 +85,7 @@ int main(int argc, const char *argv[]) 
        const char *arg;

        char opt;



        rv = apr_getopt(gopt, "c:p:i:", &opt, &arg);

        rv = apr_getopt(gopt, "c:p:i:N:", &opt, &arg);

        if (APR_STATUS_IS_EOF(rv)) {

            break;

        } else if (rv) {
@@ -105,6 +107,13 @@ int main(int argc, const char *argv[]) 
                interface = arg;

                break;



            case 'N':

                num_to_start = atoi(arg);

                if (! num_to_start) {

                    usage();

                }

                break;



            default:

                break;

            }
@@ -135,6 +144,7 @@ int main(int argc, const char *argv[]) 
        exit_error(rv, "apr_socket_listen");

    }



    while (--num_to_start >= 0) {

        rv = apr_proc_fork(&proc, pool);

        if (rv == APR_INCHILD) {

            apr_os_file_t oft = 0;
@@ -148,6 +158,7 @@ int main(int argc, const char *argv[]) 
#if defined(WIN32) || defined(OS2) || defined(NETWARE)

#error "Please implement me."

#else



            /* Ok, so we need a file that has file descriptor 0 (which

             * FastCGI wants), but points to our socket.  This isn't really

             * possible in APR, so we cheat a bit.  I have no idea how to
@@ -189,10 +200,13 @@ int main(int argc, const char *argv[]) 
            execl(command, NULL);

#endif

        } else if (rv == APR_INPARENT) {

            if (num_to_start == 0) {

                apr_socket_close(skt);

            }

        } else {

            exit_error(rv, "apr_proc_fork");

        }

    }



    return EXIT_SUCCESS;

}