File: transaction.c

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pidgin-nateon 0.0.0.svn147-1
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/**
 * @file transaction.c NATEON transaction functions
 *
 * purple
 *
 * Purple is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include "nateon.h"
#include "transaction.h"

NateonTransaction *
nateon_transaction_new(NateonCmdProc *cmdproc, const char *command, const char *format, ...)
{
	NateonTransaction *trans;
	va_list arg;

	g_return_val_if_fail(command != NULL, NULL);

	trans = g_new0(NateonTransaction, 1);

	trans->cmdproc = cmdproc;
	trans->command = g_strdup(command);

	if (format != NULL)
	{
		va_start(arg, format);
		trans->params = g_strdup_vprintf(format, arg);
		va_end(arg);
	}

	/* trans->queue = g_queue_new(); */

	return trans;
}

void
nateon_transaction_destroy(NateonTransaction *trans)
{
	g_return_if_fail(trans != NULL);

	g_free(trans->command);
	g_free(trans->params);
	g_free(trans->payload);

#if 0
	if (trans->pendent_cmd != NULL)
		nateon_message_unref(trans->pendent_msg);
#endif

#if 0
	NateonTransaction *elem;
	if (trans->queue != NULL)
	{
		while ((elem = g_queue_pop_head(trans->queue)) != NULL)
			nateon_transaction_destroy(elem);

		g_queue_free(trans->queue);
	}
#endif

	if (trans->callbacks != NULL && trans->has_custom_callbacks)
		g_hash_table_destroy(trans->callbacks);

	if (trans->timer)
		purple_timeout_remove(trans->timer);

	g_free(trans);
}

char *
nateon_transaction_to_string(NateonTransaction *trans)
{
	char *str;

	g_return_val_if_fail(trans != NULL, FALSE);

	if (trans->params != NULL)
		str = g_strdup_printf("%s %u %s\r\n", trans->command, trans->trId, trans->params);
	else
		str = g_strdup_printf("%s %u\r\n", trans->command, trans->trId);

	return str;
}

//void
//nateon_transaction_queue_cmd(NateonTransaction *trans, NateonCommand *cmd)
//{
//	purple_debug_info("nateon", "queueing command.\n");
//	trans->pendent_cmd = cmd;
//	nateon_command_ref(cmd);
//}
//
//void
//nateon_transaction_unqueue_cmd(NateonTransaction *trans, NateonCmdProc *cmdproc)
//{
//	NateonCommand *cmd;
//
//	if (!cmdproc->servconn->connected)
//		return;
//
//	purple_debug_info("nateon", "unqueueing command.\n");
//	cmd = trans->pendent_cmd;
//
//	g_return_if_fail(cmd != NULL);
//
//	nateon_cmdproc_process_cmd(cmdproc, cmd);
//	nateon_command_unref(cmd);
//
//	trans->pendent_cmd = NULL;
//}
//
//#if 0
//void
//nateon_transaction_queue(NateonTransaction *trans, NateonTransaction *elem)
//{
//	if (trans->queue == NULL)
//		trans->queue = g_queue_new();
//
//	g_queue_push_tail(trans->queue, elem);
//}
//
//void
//nateon_transaction_unqueue(NateonTransaction *trans, NateonCmdProc *cmdproc)
//{
//	NateonTransaction *elem;
//
//	while ((elem = g_queue_pop_head(trans->queue)) != NULL)
//		nateon_cmdproc_send_trans(cmdproc, elem);
//}
//#endif

void
nateon_transaction_set_payload(NateonTransaction *trans,
							const char *payload, int payload_len)
{
	g_return_if_fail(trans   != NULL);
	g_return_if_fail(payload != NULL);

	trans->payload = g_strdup(payload);
	trans->payload_len = payload_len ? payload_len : strlen(trans->payload);
}

void
nateon_transaction_set_data(NateonTransaction *trans, void *data)
{
	g_return_if_fail(trans != NULL);

	trans->data = data;
}

void
nateon_transaction_add_cb(NateonTransaction *trans, char *answer,
					   NateonTransCb cb)
{
	g_return_if_fail(trans  != NULL);
	g_return_if_fail(answer != NULL);

	if (trans->callbacks == NULL)
	{
		trans->has_custom_callbacks = TRUE;
		trans->callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
												 NULL);
	}
	else if (trans->has_custom_callbacks != TRUE)
		g_return_if_reached ();

	g_hash_table_insert(trans->callbacks, answer, cb);
}

static gboolean
transaction_timeout(gpointer data)
{
	NateonTransaction *trans;

	trans = data;
	g_return_val_if_fail(trans != NULL, FALSE);

#if 0
	purple_debug_info("nateon", "timed out: %s %d %s\n", trans->command, trans->trId, trans->params);
#endif

	if (trans->timeout_cb != NULL)
		trans->timeout_cb(trans->cmdproc, trans);

	return FALSE;
}

void
nateon_transaction_set_timeout_cb(NateonTransaction *trans, NateonTimeoutCb cb)
{
	if (trans->timer)
	{
		purple_debug_error("nateon", "This shouldn't be happening\n");
		purple_timeout_remove(trans->timer);
	}
	trans->timeout_cb = cb;
	trans->timer = purple_timeout_add(60000, transaction_timeout, trans);
}

void
nateon_transaction_set_error_cb(NateonTransaction *trans, NateonErrorCb cb)
{
	trans->error_cb = cb;
}