/*
This file is part of GNUnet
- Copyright (C) 2013, 2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2013, 2014 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
- /**
- * Handle to talk with CONVERSATION service.
- */
- struct GNUNET_CLIENT_Connection *client;
-
/**
* We keep all callers in a DLL.
*/
data_size,
GNUNET_MESSAGE_TYPE_CONVERSATION_CS_AUDIO);
am->cid = caller->cid;
- memcpy (&am[1], data, data_size);
- GNUNET_MQ_send (phone->mq, e);
+ GNUNET_memcpy (&am[1],
+ data,
+ data_size);
+ GNUNET_MQ_send (phone->mq,
+ e);
}
* We received a `struct ClientPhoneRingMessage`
*
* @param cls the `struct GNUNET_CONVERSATION_Phone`
- * @param msg the message
+ * @param ring the message
*/
static void
handle_phone_ring (void *cls,
- const struct GNUNET_MessageHeader *msg)
+ const struct ClientPhoneRingMessage *ring)
{
struct GNUNET_CONVERSATION_Phone *phone = cls;
- const struct ClientPhoneRingMessage *ring;
struct GNUNET_CONVERSATION_Caller *caller;
- ring = (const struct ClientPhoneRingMessage *) msg;
switch (phone->state)
{
case PS_REGISTER:
}
+/**
+ * Find the record of the caller matching the @a cid
+ *
+ * @param phone phone to search
+ * @param cid caller ID to search for (in NBO)
+ * @return NULL if @a cid was not found
+ */
+static struct GNUNET_CONVERSATION_Caller *
+find_caller (struct GNUNET_CONVERSATION_Phone *phone,
+ uint32_t cid)
+{
+ struct GNUNET_CONVERSATION_Caller *caller;
+
+ for (caller = phone->caller_head;NULL != caller;caller = caller->next)
+ if (cid == caller->cid)
+ return caller;
+ return NULL;
+}
+
+
/**
* We received a `struct ClientPhoneHangupMessage`.
*
*/
static void
handle_phone_hangup (void *cls,
- const struct GNUNET_MessageHeader *msg)
+ const struct ClientPhoneHangupMessage *hang)
{
struct GNUNET_CONVERSATION_Phone *phone = cls;
- const struct ClientPhoneHangupMessage *hang;
struct GNUNET_CONVERSATION_Caller *caller;
- hang = (const struct ClientPhoneHangupMessage *) msg;
- for (caller = phone->caller_head; NULL != caller; caller = caller->next)
- if (hang->cid == caller->cid)
- break;
+ caller = find_caller (phone,
+ hang->cid);
if (NULL == caller)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
* We received a `struct ClientPhoneSuspendMessage`.
*
* @param cls the `struct GNUNET_CONVERSATION_Phone`
- * @param msg the message
+ * @param suspend the message
*/
static void
handle_phone_suspend (void *cls,
- const struct GNUNET_MessageHeader *msg)
+ const struct ClientPhoneSuspendMessage *suspend)
{
struct GNUNET_CONVERSATION_Phone *phone = cls;
struct GNUNET_CONVERSATION_Caller *caller;
- const struct ClientPhoneSuspendMessage *suspend;
- suspend = (const struct ClientPhoneSuspendMessage *) msg;
- for (caller = phone->caller_head; NULL != caller; caller = caller->next)
- if (suspend->cid == caller->cid)
- break;
+ caller = find_caller (phone,
+ suspend->cid);
if (NULL == caller)
return;
switch (caller->state)
* We received a `struct ClientPhoneResumeMessage`.
*
* @param cls the `struct GNUNET_CONVERSATION_Phone`
- * @param msg the message
+ * @param resume the message
*/
static void
handle_phone_resume (void *cls,
- const struct GNUNET_MessageHeader *msg)
+ const struct ClientPhoneResumeMessage *resume)
{
struct GNUNET_CONVERSATION_Phone *phone = cls;
struct GNUNET_CONVERSATION_Caller *caller;
- const struct ClientPhoneResumeMessage *resume;
- resume = (const struct ClientPhoneResumeMessage *) msg;
- for (caller = phone->caller_head; NULL != caller; caller = caller->next)
- if (resume->cid == caller->cid)
- break;
+ caller = find_caller (phone,
+ resume->cid);
if (NULL == caller)
return;
switch (caller->state)
}
+/**
+ * We received a `struct ClientAudioMessage`, check it is well-formed.
+ *
+ * @param cls the `struct GNUNET_CONVERSATION_Phone`
+ * @param am the message
+ * @return #GNUNET_OK if @a am is well-formed
+ */
+static int
+check_phone_audio (void *cls,
+ const struct ClientAudioMessage *am)
+{
+ /* any variable-size payload is OK */
+ return GNUNET_OK;
+}
+
+
/**
* We received a `struct ClientAudioMessage`
*
* @param cls the `struct GNUNET_CONVERSATION_Phone`
- * @param msg the message
+ * @param am the message
*/
static void
-handle_phone_audio_message (void *cls,
- const struct GNUNET_MessageHeader *msg)
+handle_phone_audio (void *cls,
+ const struct ClientAudioMessage *am)
{
struct GNUNET_CONVERSATION_Phone *phone = cls;
- const struct ClientAudioMessage *am;
struct GNUNET_CONVERSATION_Caller *caller;
- am = (const struct ClientAudioMessage *) msg;
- for (caller = phone->caller_head; NULL != caller; caller = caller->next)
- if (am->cid == caller->cid)
- break;
+ caller = find_caller (phone,
+ am->cid);
if (NULL == caller)
return;
switch (caller->state)
break;
case CS_ACTIVE:
caller->speaker->play (caller->speaker->cls,
- ntohs (msg->size) - sizeof (struct ClientAudioMessage),
+ ntohs (am->header.size) - sizeof (struct ClientAudioMessage),
&am[1]);
break;
case CS_CALLEE_SUSPENDED:
static void
reconnect_phone (struct GNUNET_CONVERSATION_Phone *phone)
{
- static struct GNUNET_MQ_MessageHandler handlers[] =
- {
- { &handle_phone_ring,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RING,
- sizeof (struct ClientPhoneRingMessage) },
- { &handle_phone_hangup,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP,
- sizeof (struct ClientPhoneHangupMessage) },
- { &handle_phone_suspend,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND,
- sizeof (struct ClientPhoneSuspendMessage) },
- { &handle_phone_resume,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME,
- sizeof (struct ClientPhoneResumeMessage) },
- { &handle_phone_audio_message,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_AUDIO,
- 0 },
- { NULL, 0, 0 }
+ struct GNUNET_MQ_MessageHandler handlers[] = {
+ GNUNET_MQ_hd_fixed_size (phone_ring,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RING,
+ struct ClientPhoneRingMessage,
+ phone),
+ GNUNET_MQ_hd_fixed_size (phone_hangup,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP,
+ struct ClientPhoneHangupMessage,
+ phone),
+ GNUNET_MQ_hd_fixed_size (phone_suspend,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND,
+ struct ClientPhoneSuspendMessage,
+ phone),
+ GNUNET_MQ_hd_fixed_size (phone_resume,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME,
+ struct ClientPhoneResumeMessage,
+ phone),
+ GNUNET_MQ_hd_var_size (phone_audio,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_AUDIO,
+ struct ClientAudioMessage,
+ phone),
+ GNUNET_MQ_handler_end ()
};
struct GNUNET_MQ_Envelope *e;
struct ClientPhoneRegisterMessage *reg;
GNUNET_MQ_destroy (phone->mq);
phone->mq = NULL;
}
- if (NULL != phone->client)
- {
- GNUNET_CLIENT_disconnect (phone->client);
- phone->client = NULL;
- }
phone->state = PS_REGISTER;
- phone->client = GNUNET_CLIENT_connect ("conversation", phone->cfg);
- if (NULL == phone->client)
+ phone->mq = GNUNET_CLIENT_connect (phone->cfg,
+ "conversation",
+ handlers,
+ &phone_error_handler,
+ phone);
+ if (NULL == phone->mq)
return;
- phone->mq = GNUNET_MQ_queue_for_connection_client (phone->client,
- handlers,
- &phone_error_handler,
- phone);
- e = GNUNET_MQ_msg (reg, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_REGISTER);
- reg->line = phone->my_record.line;
- GNUNET_MQ_send (phone->mq, e);
+ e = GNUNET_MQ_msg (reg,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_REGISTER);
+ reg->line_port = phone->my_record.line_port;
+ GNUNET_MQ_send (phone->mq,
+ e);
phone->state = PS_READY;
}
void *event_handler_cls)
{
struct GNUNET_CONVERSATION_Phone *phone;
- unsigned long long line;
+ char *line;
+ struct GNUNET_HashCode line_port;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg,
+ GNUNET_CONFIGURATION_get_value_string (cfg,
"CONVERSATION",
"LINE",
&line))
"LINE");
return NULL;
}
- if (line >= (1 << 31))
- {
- GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
- "CONVERSATION",
- "LINE",
- _("number too large"));
- return NULL;
- }
+ GNUNET_CRYPTO_hash (line,
+ strlen (line),
+ &line_port);
phone = GNUNET_new (struct GNUNET_CONVERSATION_Phone);
if (GNUNET_OK !=
GNUNET_CRYPTO_get_peer_identity (cfg,
phone->event_handler = event_handler;
phone->event_handler_cls = event_handler_cls;
phone->ns = GNUNET_NAMESTORE_connect (cfg);
- phone->my_record.line = htonl ((uint32_t) line);
- phone->my_record.version = htonl (0);
+ phone->my_record.version = htonl (1);
+ phone->my_record.reserved = htonl (0);
+ phone->my_record.line_port = line_port;
reconnect_phone (phone);
- if ( (NULL == phone->client) ||
+ if ( (NULL == phone->mq) ||
(NULL == phone->ns) )
{
GNUNET_break (0);
GNUNET_assert (CS_RINGING == caller->state);
caller->speaker = speaker;
caller->mic = mic;
- e = GNUNET_MQ_msg (pick, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_PICK_UP);
+ e = GNUNET_MQ_msg (pick,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_PICK_UP);
pick->cid = caller->cid;
- GNUNET_MQ_send (phone->mq, e);
+ GNUNET_MQ_send (phone->mq,
+ e);
caller->state = CS_ACTIVE;
caller->event_handler = event_handler;
caller->event_handler_cls = event_handler_cls;
e = GNUNET_MQ_msg (hang,
GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP);
hang->cid = caller->cid;
- GNUNET_MQ_send (phone->mq, e);
+ GNUNET_MQ_send (phone->mq,
+ e);
GNUNET_free (caller);
}
GNUNET_MQ_destroy (phone->mq);
phone->mq = NULL;
}
- if (NULL != phone->client)
- {
- GNUNET_CLIENT_disconnect (phone->client);
- phone->client = NULL;
- }
GNUNET_free (phone);
}
}
caller->speaker = NULL;
caller->mic = NULL;
- e = GNUNET_MQ_msg (suspend, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND);
+ e = GNUNET_MQ_msg (suspend,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND);
suspend->cid = caller->cid;
- GNUNET_MQ_send (phone->mq, e);
+ GNUNET_MQ_send (phone->mq,
+ e);
if (CS_ACTIVE == caller->state)
caller->state = CS_CALLEE_SUSPENDED;
else
(CS_BOTH_SUSPENDED == caller->state) );
caller->speaker = speaker;
caller->mic = mic;
- e = GNUNET_MQ_msg (resume, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME);
+ e = GNUNET_MQ_msg (resume,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME);
resume->cid = caller->cid;
- GNUNET_MQ_send (phone->mq, e);
+ GNUNET_MQ_send (phone->mq,
+ e);
if (CS_CALLEE_SUSPENDED == caller->state)
{
caller->state = CS_ACTIVE;