diff options
| author | PProvost <[email protected]> | 2020-05-11 08:54:23 -0600 |
|---|---|---|
| committer | PProvost <[email protected]> | 2020-05-11 08:54:23 -0600 |
| commit | 0c4f784459a7564933ed91bf39f00d12608cf91c (patch) | |
| tree | cfa743731d1cfb11d83119bf1c8d0d942e8c3c73 /common/src/nxe_tcp_socket_state_wait.c | |
Initial commit
Diffstat (limited to 'common/src/nxe_tcp_socket_state_wait.c')
| -rw-r--r-- | common/src/nxe_tcp_socket_state_wait.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/common/src/nxe_tcp_socket_state_wait.c b/common/src/nxe_tcp_socket_state_wait.c new file mode 100644 index 00000000..f65f8a14 --- /dev/null +++ b/common/src/nxe_tcp_socket_state_wait.c @@ -0,0 +1,111 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) Microsoft Corporation. All rights reserved. */ +/* */ +/* This software is licensed under the Microsoft Software License */ +/* Terms for Microsoft Azure RTOS. Full text of the license can be */ +/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ +/* and in the root directory of this software. */ +/* */ +/**************************************************************************/ + + +/**************************************************************************/ +/**************************************************************************/ +/** */ +/** NetX Component */ +/** */ +/** Transmission Control Protocol (TCP) */ +/** */ +/**************************************************************************/ +/**************************************************************************/ + +#define NX_SOURCE_CODE + + +/* Include necessary system files. */ + +#include "nx_api.h" +#include "nx_tcp.h" + + +/* Bring in externs for caller checking code. */ + +NX_CALLER_CHECKING_EXTERNS + + +/**************************************************************************/ +/* */ +/* FUNCTION RELEASE */ +/* */ +/* _nxe_tcp_socket_state_wait PORTABLE C */ +/* 6.0 */ +/* AUTHOR */ +/* */ +/* Yuxin Zhou, Microsoft Corporation */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function checks for errors in the socket state wait */ +/* function call. */ +/* */ +/* INPUT */ +/* */ +/* socket_ptr Pointer to socket */ +/* desired_state Desired TCP state */ +/* wait_option Suspension option */ +/* */ +/* OUTPUT */ +/* */ +/* status Completion status */ +/* */ +/* CALLS */ +/* */ +/* _nx_tcp_socket_state_wait Actual socket state wait */ +/* function */ +/* */ +/* CALLED BY */ +/* */ +/* Application */ +/* */ +/* RELEASE HISTORY */ +/* */ +/* DATE NAME DESCRIPTION */ +/* */ +/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ +/* */ +/**************************************************************************/ +UINT _nxe_tcp_socket_state_wait(NX_TCP_SOCKET *socket_ptr, UINT desired_state, ULONG wait_option) +{ + +UINT status; + + + /* Check for invalid input pointers. */ + if ((socket_ptr == NX_NULL) || (socket_ptr -> nx_tcp_socket_id != NX_TCP_ID)) + { + return(NX_PTR_ERROR); + } + + /* Check to see if TCP is enabled. */ + if (!(socket_ptr -> nx_tcp_socket_ip_ptr) -> nx_ip_tcp_packet_receive) + { + return(NX_NOT_ENABLED); + } + + /* Check for an invalid state request. */ + if ((desired_state < NX_TCP_CLOSED) || (desired_state > NX_TCP_LAST_ACK)) + { + return(NX_OPTION_ERROR); + } + + /* Check for appropriate caller. */ + NX_THREADS_ONLY_CALLER_CHECKING + + /* Call actual TCP socket state wait function. */ + status = _nx_tcp_socket_state_wait(socket_ptr, desired_state, wait_option); + + /* Return completion status. */ + return(status); +} + |