1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** NetX Component */ 17 /** */ 18 /** Transmission Control Protocol (TCP) */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 #define NX_SOURCE_CODE 24 25 26 /* Include necessary system files. */ 27 28 #include "nx_api.h" 29 #include "nx_tcp.h" 30 31 #ifndef NX_DISABLE_EXTENDED_NOTIFY_SUPPORT 32 /* Bring in externs for caller checking code. */ 33 34 NX_CALLER_CHECKING_EXTERNS 35 #endif /* NX_DISABLE_EXTENDED_NOTIFY_SUPPORT */ 36 37 38 /**************************************************************************/ 39 /* */ 40 /* FUNCTION RELEASE */ 41 /* */ 42 /* _nxe_tcp_socket_timed_wait_callback PORTABLE C */ 43 /* 6.1 */ 44 /* AUTHOR */ 45 /* */ 46 /* Yuxin Zhou, Microsoft Corporation */ 47 /* */ 48 /* DESCRIPTION */ 49 /* */ 50 /* This function performs error checking for the timed wait callback */ 51 /* service. */ 52 /* */ 53 /* INPUT */ 54 /* */ 55 /* socket_ptr Pointer to TCP socket */ 56 /* tcp_timed_wait_callback Routine to call to start */ 57 /* timed wait before close */ 58 /* */ 59 /* OUTPUT */ 60 /* */ 61 /* status Completion status */ 62 /* */ 63 /* CALLS */ 64 /* */ 65 /* _nx_tcp_socket_timed_wait_callback Actual timed wait callback */ 66 /* service */ 67 /* */ 68 /* CALLED BY */ 69 /* */ 70 /* Application Code */ 71 /* */ 72 /* RELEASE HISTORY */ 73 /* */ 74 /* DATE NAME DESCRIPTION */ 75 /* */ 76 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ 77 /* 09-30-2020 Yuxin Zhou Modified comment(s), */ 78 /* resulting in version 6.1 */ 79 /* */ 80 /**************************************************************************/ _nxe_tcp_socket_timed_wait_callback(NX_TCP_SOCKET * socket_ptr,VOID (* tcp_timed_wait_callback)(NX_TCP_SOCKET * socket_ptr))81UINT _nxe_tcp_socket_timed_wait_callback(NX_TCP_SOCKET *socket_ptr, VOID (*tcp_timed_wait_callback)(NX_TCP_SOCKET *socket_ptr)) 82 { 83 #ifndef NX_DISABLE_EXTENDED_NOTIFY_SUPPORT 84 85 UINT status; 86 87 88 /* Check for invalid input pointers. */ 89 if ((socket_ptr == NX_NULL) || (socket_ptr -> nx_tcp_socket_id != NX_TCP_ID)) 90 { 91 return(NX_PTR_ERROR); 92 } 93 94 /* Check for invalid input pointers. */ 95 if (tcp_timed_wait_callback == NX_NULL) 96 { 97 return(NX_PTR_ERROR); 98 } 99 100 /* Check to see if TCP is enabled. */ 101 if (!(socket_ptr -> nx_tcp_socket_ip_ptr) -> nx_ip_tcp_packet_receive) 102 { 103 return(NX_NOT_ENABLED); 104 } 105 106 /* Check for appropriate caller. */ 107 NX_INIT_AND_THREADS_CALLER_CHECKING 108 109 /* Call the actual service. */ 110 status = _nx_tcp_socket_timed_wait_callback(socket_ptr, tcp_timed_wait_callback); 111 112 /* Return completion status. */ 113 return(status); 114 115 #else /* !NX_DISABLE_EXTENDED_NOTIFY_SUPPORT */ 116 NX_PARAMETER_NOT_USED(socket_ptr); 117 NX_PARAMETER_NOT_USED(tcp_timed_wait_callback); 118 119 return(NX_NOT_SUPPORTED); 120 121 #endif /* NX_DISABLE_EXTENDED_NOTIFY_SUPPORT */ 122 } 123 124