2fa0dc1cd8
* Makefile.am: * cpu.c: * fsusage.c: * glibtop_private.c: (get_scaled), (try_file_to_buffer), (file_to_buffer): Added * glibtop_private.h: Added * glibtop_server.c: Removed * glibtop_server.h: * loadavg.c: * mem.c: * netload.c: * open.c: * prockernel.c: * procmem.c: * procsegment.c: * procsignal.c: * procstate.c: * proctime.c: * procuid.c: * swap.c: * sysinfo.c: * uptime.c: Moved linux impl utils function from glibtop_server.* to glibtob_private.* because glibtop_server.h is a public header.
87 lines
1.4 KiB
C
87 lines
1.4 KiB
C
#include <glibtop.h>
|
|
#include <glibtop/error.h>
|
|
|
|
#include "glibtop_private.h"
|
|
|
|
#include <glib.h>
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
|
|
#include <fcntl.h>
|
|
|
|
|
|
unsigned long long
|
|
get_scaled(const char *buffer, const char *key)
|
|
{
|
|
const char *ptr;
|
|
char *next;
|
|
unsigned long long value = 0;
|
|
|
|
if ((ptr = strstr(buffer, key)))
|
|
{
|
|
ptr += strlen(key);
|
|
value = strtoull(ptr, &next, 0);
|
|
if (strchr(next, 'k'))
|
|
value *= 1024;
|
|
else if (strchr(next, 'M'))
|
|
value *= 1024 * 1024;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
|
|
/*
|
|
* Read functions
|
|
*/
|
|
enum TRY_FILE_TO_BUFFER
|
|
{
|
|
TRY_FILE_TO_BUFFER_OK = 0,
|
|
TRY_FILE_TO_BUFFER_OPEN = -1,
|
|
TRY_FILE_TO_BUFFER_READ = -2
|
|
};
|
|
|
|
int try_file_to_buffer(char *buffer, const char *format, ...)
|
|
{
|
|
char path[4096];
|
|
int fd;
|
|
ssize_t len;
|
|
va_list pa;
|
|
|
|
va_start(pa, format);
|
|
|
|
/* C99 also provides vsnprintf */
|
|
g_vsnprintf(path, sizeof path, format, pa);
|
|
|
|
va_end(pa);
|
|
|
|
if((fd = open (path, O_RDONLY)) < 0)
|
|
return TRY_FILE_TO_BUFFER_OPEN;
|
|
|
|
len = read (fd, buffer, BUFSIZ-1);
|
|
close (fd);
|
|
|
|
if (len < 0)
|
|
return TRY_FILE_TO_BUFFER_READ;
|
|
|
|
buffer [len] = '\0';
|
|
|
|
return TRY_FILE_TO_BUFFER_OK;
|
|
}
|
|
|
|
|
|
void
|
|
file_to_buffer(glibtop *server, char *buffer, const char *filename)
|
|
{
|
|
switch(try_file_to_buffer(buffer, filename))
|
|
{
|
|
case TRY_FILE_TO_BUFFER_OPEN:
|
|
glibtop_error_io_r (server, "open (%s)", filename);
|
|
case TRY_FILE_TO_BUFFER_READ:
|
|
glibtop_error_io_r (server, "read (%s)", filename);
|
|
}
|
|
}
|
|
|
|
|