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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Transmission Control Protocol (TCP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_tcp.h"
#ifdef NX_ENABLE_HTTP_PROXY
#include "nx_http_proxy_client.h"
#endif /* NX_ENABLE_HTTP_PROXY */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_tcp_socket_state_wait PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function waits for the specified socket to reach the specified */
/* TCP state. */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to socket */
/* desired_state Desired TCP state */
/* wait_option Suspension option */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_thread_sleep Sleep to wait for state change*/
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/**************************************************************************/
UINT _nx_tcp_socket_state_wait(NX_TCP_SOCKET *socket_ptr, UINT desired_state, ULONG wait_option)
{
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_TCP_SOCKET_STATE_WAIT, socket_ptr -> nx_tcp_socket_ip_ptr, socket_ptr, desired_state, socket_ptr -> nx_tcp_socket_state, NX_TRACE_TCP_EVENTS, 0, 0);
/* Loop to wait for the desired socket state. */
for (;;)
{
/* Determine if the socket pointer is still valid. */
if (socket_ptr -> nx_tcp_socket_id != NX_TCP_ID)
{
/* Not still valid, return an error. */
return(NX_PTR_ERROR);
}
/* Determine if the desired state is present. */
if (socket_ptr -> nx_tcp_socket_state == desired_state)
{
#ifdef NX_ENABLE_HTTP_PROXY
if ((desired_state != NX_TCP_ESTABLISHED) ||
(!socket_ptr -> nx_tcp_socket_ip_ptr -> nx_ip_http_proxy_enable) ||
(!socket_ptr -> nx_tcp_socket_client_type) ||
(socket_ptr -> nx_tcp_socket_http_proxy_state == NX_HTTP_PROXY_STATE_CONNECTED))
#endif /* NX_ENABLE_HTTP_PROXY */
{
/* The desired state is present, return success! */
return(NX_SUCCESS);
}
}
/* Check to see if there is more time to wait. */
if (wait_option)
{
/* Yes, there is more time... sleep for a tick. */
tx_thread_sleep(1);
/* Decrease the wait time. */
wait_option--;
}
else
{
/* Timeout, just return an error. */
return(NX_NOT_SUCCESSFUL);
}
}
}
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