netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_tcp.h"
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_nxe_tcp_client_socket_connect(NX_TCP_SOCKET *, ULONG, UINT, ULONG)
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nxe_tcp_client_socket_connect.c
 
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/**************************************************************************/ /* */ /* 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_client_socket_connect PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks for errors in the TCP client socket connect */ /* function call. */ /* */ /* INPUT */ /* */ /* socket_ptr Pointer to TCP client socket */ /* server_ip IP address of server */ /* server_port Port number of server */ /* wait_option Suspension option */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* _nx_tcp_client_socket_connect Actual client socket connect */ /* function */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _nxe_tcp_client_socket_connect(NX_TCP_SOCKET *socket_ptr, ULONG server_ip, UINT server_port, ULONG wait_option) { #ifndef NX_DISABLE_IPV4 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); }if ((socket_ptr == NX_NULL) || (socket_ptr -> nx_tcp_socket_id != NX_TCP_ID)) { ... } /* Check to see if TCP is enabled. */ if (!(socket_ptr -> nx_tcp_socket_ip_ptr) -> nx_ip_tcp_packet_receive) { return(NX_NOT_ENABLED); }if (!(socket_ptr -> nx_tcp_socket_ip_ptr) -> nx_ip_tcp_packet_receive) { ... } /* Check for invalid IP address. */ if (!server_ip) { return(NX_IP_ADDRESS_ERROR); }if (!server_ip) { ... } /* Check for invalid IP address. */ if (((server_ip & NX_IP_CLASS_A_MASK) != NX_IP_CLASS_A_TYPE) && ((server_ip & NX_IP_CLASS_B_MASK) != NX_IP_CLASS_B_TYPE) && ((server_ip & NX_IP_CLASS_C_MASK) != NX_IP_CLASS_C_TYPE)) { return(NX_IP_ADDRESS_ERROR); }if (((server_ip & NX_IP_CLASS_A_MASK) != NX_IP_CLASS_A_TYPE) && ((server_ip & NX_IP_CLASS_B_MASK) != NX_IP_CLASS_B_TYPE) && ((server_ip & NX_IP_CLASS_C_MASK) != NX_IP_CLASS_C_TYPE)) { ... } /* Check for an invalid port. */ if (((ULONG)server_port) > (ULONG)NX_MAX_PORT) { return(NX_INVALID_PORT); }if (((ULONG)server_port) > (ULONG)NX_MAX_PORT) { ... } /* Check for appropriate caller. */ NX_THREADS_ONLY_CALLER_CHECKING /* Call actual TCP client socket connect function. */ status = _nx_tcp_client_socket_connect(socket_ptr, server_ip, server_port, wait_option); /* Return completion status. */ return(status);/* ... */ #else /* NX_DISABLE_IPV4 */ NX_PARAMETER_NOT_USED(socket_ptr); NX_PARAMETER_NOT_USED(server_ip); NX_PARAMETER_NOT_USED(server_port); NX_PARAMETER_NOT_USED(wait_option); return(NX_NOT_SUPPORTED);/* ... */ #endif /* !NX_DISABLE_IPV4 */ }{ ... }
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