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d530608d33
Lnstat was trying to be different and have its own version. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LNSTAT_H
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#define _LNSTAT_H
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#include <limits.h>
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#include <sys/select.h>
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#define PROC_NET_STAT "/proc/net/stat"
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#define LNSTAT_MAX_FILES 32
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#define LNSTAT_MAX_FIELDS_PER_LINE 32
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#define LNSTAT_MAX_FIELD_NAME_LEN 32
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struct lnstat_file;
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struct lnstat_field {
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struct lnstat_file *file;
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unsigned int num; /* field number in line */
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char name[LNSTAT_MAX_FIELD_NAME_LEN+1];
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unsigned long values[2]; /* two buffers for values */
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unsigned long result;
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};
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struct lnstat_file {
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struct lnstat_file *next;
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char path[PATH_MAX+1];
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char basename[NAME_MAX+1];
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struct timeval last_read; /* last time of read */
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struct timeval interval; /* interval */
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int compat; /* 1 == backwards compat mode */
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FILE *fp;
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unsigned int num_fields; /* number of fields */
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struct lnstat_field fields[LNSTAT_MAX_FIELDS_PER_LINE];
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};
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struct lnstat_file *lnstat_scan_dir(const char *path, const int num_req_files,
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const char **req_files);
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int lnstat_update(struct lnstat_file *lnstat_files);
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int lnstat_dump(FILE *outfd, struct lnstat_file *lnstat_files);
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struct lnstat_field *lnstat_find_field(struct lnstat_file *lnstat_files,
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const char *name);
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#endif /* _LNSTAT_H */
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