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1712.1.1
by Monty Taylor
Merged libdrizzle directly into tree. |
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/*
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* Drizzle Client & Protocol Library
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*
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* Copyright (C) 2008 Eric Day (eday@oddments.org)
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* All rights reserved.
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*
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* Use and distribution licensed under the BSD license. See
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* the COPYING file in this directory for full text.
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*/
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/**
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* @file
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* @brief State machine definitions
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*/
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#include "common.h" |
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drizzle_return_t drizzle_state_loop(drizzle_con_st *con) |
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{
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drizzle_return_t ret; |
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while (!drizzle_state_none(con)) |
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{
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ret= con->state_stack[con->state_current - 1](con); |
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if (ret != DRIZZLE_RETURN_OK) |
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{
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if (ret != DRIZZLE_RETURN_IO_WAIT && ret != DRIZZLE_RETURN_PAUSE && |
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ret != DRIZZLE_RETURN_ERROR_CODE) |
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{
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drizzle_con_close(con); |
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}
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return ret; |
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}
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}
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return DRIZZLE_RETURN_OK; |
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}
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drizzle_return_t drizzle_state_packet_read(drizzle_con_st *con) |
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{
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drizzle_log_debug(con->drizzle, "drizzle_state_packet_read"); |
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if (con->buffer_size < 4) |
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{
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drizzle_state_push(con, drizzle_state_read); |
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return DRIZZLE_RETURN_OK; |
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}
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con->packet_size= drizzle_get_byte3(con->buffer_ptr); |
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if (con->packet_number != con->buffer_ptr[3]) |
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{
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drizzle_set_error(con->drizzle, "drizzle_state_packet_read", |
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"bad packet number:%u:%u", con->packet_number, |
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con->buffer_ptr[3]); |
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return DRIZZLE_RETURN_BAD_PACKET_NUMBER; |
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}
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drizzle_log_debug(con->drizzle, "packet_size= %zu, packet_number= %u", |
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con->packet_size, con->packet_number); |
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con->packet_number++; |
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con->buffer_ptr+= 4; |
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con->buffer_size-= 4; |
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drizzle_state_pop(con); |
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return DRIZZLE_RETURN_OK; |
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}
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