handler_avahi.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2
   3 /* Cherokee
   4  *
   5  * Authors:
   6  *      Alvaro Lopez Ortega <alvaro@alobbs.com>
   7  *      Stefan de Konink <stefan@konink.de>
   8  *
   9  * Copyright (C) 2001-2008 Alvaro Lopez Ortega
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of version 2 of the GNU General Public
  13  * License as published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  23  * USA
  24  */
  25
  26 #ifndef CHEROKEE_HANDLER_AVAHI_H
  27 #define CHEROKEE_HANDLER_AVAHI_H
  28
  29 #include <cherokee/cherokee.h>
  30
  31 #include <avahi-client/client.h>
  32 #include <avahi-client/lookup.h>
  33
  34 #include <avahi-common/simple-watch.h>
  35 #include <avahi-common/malloc.h>
  36 #include <avahi-common/error.h>
  37 #include <avahi-common/thread-watch.h>
  38
  39 /* Data types
  40  */
  41 typedef struct {
  42         cherokee_module_props_t  base;
  43
  44     /* A table to store all our output  */
  45     cherokee_avl_r_t entries;
  46
  47     AvahiClient *client;
  48     AvahiServiceBrowser *sb;
  49     AvahiThreadedPoll *threaded_poll;
  50
  51     /* Configuration parameters */
  52     cherokee_buffer_t   service_type;
  53 } cherokee_handler_avahi_props_t;
  54
  55 typedef struct {
  56     /* Shared structures */
  57         cherokee_handler_t       handler;
  58
  59     /* A buffer is your output 'to be' */
  60         cherokee_buffer_t        buffer;
  61
  62     enum {
  63         send_page,
  64         send_yourmother /* not advised but possible */
  65     } action; /* this could implement a state machine */
  66 } cherokee_handler_avahi_t;
  67
  68 #define HDL_AVAHI(x)       ((cherokee_handler_avahi_t *)(x))
  69 #define PROP_AVAHI(x)      ((cherokee_handler_avahi_props_t *)(x))
  70 #define HDL_AVAHI_PROPS(x) (PROP_AVAHI(MODULE(x)->props))
  71
  72
  73 /* Library init function
  74  */
  75 void  PLUGIN_INIT_NAME(avahi)      (cherokee_plugin_loader_t *loader);
  76 ret_t cherokee_handler_avahi_new   (cherokee_handler_t **hdl, cherokee_connection_t *cnt, cherokee_module_props_t *props);
  77
  78 /* virtual methods implementation
  79  */
  80 ret_t cherokee_handler_avahi_init        (cherokee_handler_avahi_t *hdl);
  81 ret_t cherokee_handler_avahi_free        (cherokee_handler_avahi_t *hdl);
  82 ret_t cherokee_handler_avahi_step        (cherokee_handler_avahi_t *hdl, cherokee_buffer_t *buffer);
  83 ret_t cherokee_handler_avahi_add_headers (cherokee_handler_avahi_t *hdl, cherokee_buffer_t *buffer);
  84
  85 static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata);
  86 static void resolve_callback(AvahiServiceResolver *r, AVAHI_GCC_UNUSED AvahiIfIndex interface, AVAHI_GCC_UNUSED AvahiProtocol protocol, AvahiResolverEvent event, const char *name, const char *type, const char *domain, const char *host_name, const AvahiAddress *address, uint16_t port, AvahiStringList *txt, AvahiLookupResultFlags flags, void* userdata);
  87 static void browse_callback(AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AVAHI_GCC_UNUSED AvahiLookupResultFlags flags, void* userdata);
  88
  89 #endif /* CHEROKEE_HANDLER_AVAHI_H */