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High Performance OPC UA Server SDK
1.7.1.383
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High Performance OPC UA Server SDK
1.7.1.383
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Stores the information about a file. More...
#include <filecontext.h>
Data Fields | |
| unsigned int | open_count |
| number of open file handles refering to this file | |
| bool | exclusive |
| true if opened exclusive (for writing) | |
| ua_node_t | node |
| reference to addresspace node which uses this context | |
| ua_node_t | read |
| reference to according read method, required for fast permission checks | |
| ua_node_t | write |
| reference to according write method, required for fast permission checks | |
| ua_node_t | open |
| reference to according open method, required for fast permission checks | |
| ua_node_t | close |
| reference to according close method, required for fast permission checks | |
| ua_node_t | getposition |
| reference to according getposition method, required for fast permission checks | |
| ua_node_t | setposition |
| reference to according setposition method, required for fast permission checks | |
| char * | mimetype |
| optional mime type | |
| void * | userdata |
| optional user data that can be stored with each file instance | |
| struct ua_filetype_callbacks | callbacks |
| file user callback table | |
| struct ua_filetype_interface * | ftif |
| file implementation calltable | |
| void * | pimpl |
| file implementation specific data | |
Stores the information about a file.
This is an abstract type that works for all file implementations. The private implementation details are referenced by the pimpl pointer. Note that the exclusive opened status is only OPC UA internal. It has nothing to do with other processes accessing this file.