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/*
* Drizzle Client & Protocol Library
*
* Copyright (C) 2008 Eric Day (eday@oddments.org)
* All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the COPYING file in this directory for full text.
*/
/**
* @file
* @brief State machine definitions
*/
#include "common.h"
drizzle_return_t drizzle_state_loop(drizzle_con_st *con)
{
drizzle_return_t ret;
while (!drizzle_state_none(con))
{
ret= con->state_stack[con->state_current - 1](con);
if (ret != DRIZZLE_RETURN_OK)
{
if (ret != DRIZZLE_RETURN_IO_WAIT && ret != DRIZZLE_RETURN_PAUSE &&
ret != DRIZZLE_RETURN_ERROR_CODE)
{
drizzle_con_close(con);
}
return ret;
}
}
return DRIZZLE_RETURN_OK;
}
drizzle_return_t drizzle_state_packet_read(drizzle_con_st *con)
{
drizzle_log_debug(con->drizzle, "drizzle_state_packet_read");
if (con->buffer_size < 4)
{
drizzle_state_push(con, drizzle_state_read);
return DRIZZLE_RETURN_OK;
}
con->packet_size= drizzle_get_byte3(con->buffer_ptr);
if (con->packet_number != con->buffer_ptr[3])
{
drizzle_set_error(con->drizzle, "drizzle_state_packet_read",
"bad packet number:%u:%u", con->packet_number,
con->buffer_ptr[3]);
return DRIZZLE_RETURN_BAD_PACKET_NUMBER;
}
drizzle_log_debug(con->drizzle, "packet_size= %zu, packet_number= %u",
con->packet_size, con->packet_number);
con->packet_number++;
con->buffer_ptr+= 4;
con->buffer_size-= 4;
drizzle_state_pop(con);
return DRIZZLE_RETURN_OK;
}
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