I have included what I need to do for part b, and what I have so far.
I
Homework Answers
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#define LB_SIZE 20
#define LONG "long"
#define SHORT "short"
#define STANDARD "standard"
int main(int argc, char *argv[])
{
//open files from each proc/ file
FILE *cpuinfo = fopen("/proc/cpuinfo", "r");
FILE *version = fopen("/proc/version", "r");
FILE *uptime = fopen("/proc/uptime", "r");
struct timeval currentTime;
char repTypeName[16];
int iteration = 0;
int interval = 0;
int duration = 0;
FILE *thisProcFile;
char c;
char c1[1];
char c2[1];
char lineBuf[LB_SIZE];
/* Determine report type */
char *reportType = STANDARD;
char line[1000];
int count = 0;
int t_days, t_hours, t_minutes, t_seconds, boot_time;
strcpy(repTypeName, "Standard");
if (argc > 1)
{
sscanf(argv[1], "%c%c", &c1, &c2);
if (c1 != "-")
{
fprintf(stderr, "usage: observer [-s][-l int dur]\n");
exit(1);
}
if (c2 == "s")
{
reportType = SHORT;
strcpy(repTypeName, "Short");
}
else if (c2 == "l")
{
reportType = LONG;
strcpy(repTypeName, "Long");
interval = atoi(argv[2]);
duration = atoi(argv[3]);
}
}
/* Finish initialization */
/* Code to read the relevant /proc files */
while ((fgets(line, sizeof(line), cpuinfo)))
{
count++;
if (count == 5)
{
printf("CPU %s", line);
}
}
while ((c = fgetc(version)) != EOF)
{
printf("%c", c);
}
while ((fgets(line, sizeof(line), uptime)))
{
sscanf(line, "%d", &boot_time);
t_days = boot_time / 60 / 60 / 24;
t_hours = boot_time / 60 / 60 % 24;
t_minutes = boot_time / 60 % 60;
t_seconds = boot_time % 60;
printf("Boot time: %02d:%02d:%02d:%02d\n", t_days, t_hours, t_minutes, t_seconds);
}
gettimeofday(¤tTime, NULL); // Get the current time
printf("Status report type %s at %s", repTypeName, ctime(&(currentTime.tv_sec)));
/* retrieve the current the host filename and print it */
thisProcFile = fopen("/proc/sys/kernel/hostname", "r");
fgets(lineBuf, LB_SIZE + 1, thisProcFile);
printf("Machine hostname: %s", lineBuf);
fclose(thisProcFile);
while (iteration < duration)
{
sleep(interval);
//fill this out later
iteration += interval;
}
return (0);
}
partc.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#define LB_SIZE 20
#define LONG "long"
#define SHORT "short"
#define STANDARD "standard"
int main(int argc, char *argv[])
{
//open files from each proc/ file
FILE *cpuinfo = fopen("/proc/cpuinfo",
"r");
FILE *version = fopen("/proc/version",
"r");
FILE *uptime = fopen("/proc/uptime", "r");
//partc begins here: open more proc files
FILE *stat = fopen("/proc/stat", "r");
FILE *disks = fopen("/proc/diskstats",
"r");
FILE *contact = fopen("/proc/stat", "r");
FILE *btime = fopen("/proc/stat", "r");
FILE *processes = fopen("/proc/stat", "r");
struct timeval currentTime;
char repTypeName[16];
int iteration = 0;
int interval = 0;
int duration = 0;
FILE *thisProcFile;
char c;
char c1[1];
char c2[1];
char lineBuf[LB_SIZE];
/* Determine report type */
char *reportType = STANDARD;
char line[1000];
int count = 0;
int count2 = 0;
int count3 = 0;
int count4 = 0;
int count5 = 0;
int t_days, t_hours, t_minutes, t_seconds,
boot_time;
int user_mode, system_mode, idle_mode, filler,
reads_completed, writes_completed, contact_switch, b_time,
process;
//partb
while ((fgets(line, sizeof(line),
cpuinfo)))
{
count++;
if (count == 5)
{
printf("CPU %s", line);
}
}
while ((c = fgetc(version)) != EOF)
{
printf("%c", c);
}
while ((fgets(line, sizeof(line),
uptime)))
{
sscanf(line, "%d",
&boot_time);
t_days = boot_time / 60
/ 60 / 24;
t_hours = boot_time / 60
/ 60 % 24;
t_minutes = boot_time /
60 % 60;
t_seconds = boot_time %
60;
printf("Boot time:
%02d:%02d:%02d:%02d\n", t_days, t_hours, t_minutes,
t_seconds);
}
//partc
/* Finish initialization */
/* Code to read the relevant /proc files
*/
strcpy(repTypeName, "Standard");
if (argc > 1)
{
sscanf(argv[1], "%s",
c1);
//testing edge case
input
if (c1[0] != '-' ||
c1[1] != 's' && c1[1] != 'l')
{
fprintf(stderr, "usage: observer [-s][-l int dur]\n");
exit(1);
}
if (c1[1] ==
's')
{
reportType = SHORT;
strcpy(repTypeName, "Short");
//check stat
fgets(line, sizeof(line), stat);
sscanf(line, "cpu %d %d %d %d", &user_mode, &filler,
&system_mode, &idle_mode);
printf("User mode :%d\n", user_mode);
printf("System mode :%d\n", system_mode);
printf("Idle mode :%d\n\n", idle_mode);
while ((fgets(line, sizeof(line), disks)))
{
count2++;
if (count2 == 26)
{
sscanf(line, "%d %d %s %d %d %d %d %d", &filler, &filler,
&filler, &reads_completed, &filler, &filler,
&filler, &writes_completed);
printf("Reads Completed: %d\n", reads_completed);
printf("Writes Completed: %d\n\n", writes_completed);
}
}
while ((fgets(line, sizeof(line), contact)))
{
count3++;
if (count3 == 11)
{
sscanf(line, "%s %d", &filler, &contact_switch);
printf("Contact Switches: %d\n\n", contact_switch);
}
}
while ((fgets(line, sizeof(line), btime)))
{
count4++;
if (count4 == 12)
{
sscanf(line, "%s %d", &filler, &b_time);
printf("Boot Time: %d\n\n", b_time);
}
}
while ((fgets(line, sizeof(line), processes)))
{
count5++;
if (count5 == 13)
{
sscanf(line, "%s %d", &filler, &process);
printf("Processes: %d\n", process);
}
}
}
else if (c1[1] ==
'l')
{
if (argv[2] == NULL || argv[3] == NULL)
{
fprintf(stderr, "usage: observer [-s][-l int dur]\n");
exit(1);
}
else
{
reportType = LONG;
strcpy(repTypeName, "Long");
interval = atoi(argv[2]);
duration = atoi(argv[3]);
}
}
}
gettimeofday(¤tTime, NULL); // Get the current time
printf("Status report type %s at %s",
repTypeName, ctime(&(currentTime.tv_sec)));
/* retrieve the current the host filename and
print it */
thisProcFile =
fopen("/proc/sys/kernel/hostname", "r");
fgets(lineBuf, LB_SIZE + 1, thisProcFile);
printf("Machine hostname: %s", lineBuf);
fclose(thisProcFile);
while (iteration < duration)
{
sleep(interval);
//fill this out
later
iteration +=
interval;
}
return (0);
}
partd.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#define LB_SIZE 20
#define LONG "long"
#define SHORT "short"
#define STANDARD "standard"
int main(int argc, char *argv[])
{
//open files from each proc/ file
FILE *cpuinfo = fopen("/proc/cpuinfo", "r");
FILE *version = fopen("/proc/version", "r");
FILE *uptime = fopen("/proc/uptime", "r");
FILE *stat = fopen("/proc/stat", "r");
//partc begins here
FILE *disks = fopen("/proc/diskstats", "r");
FILE *contact = fopen("/proc/stat", "r");
FILE *btime = fopen("/proc/stat", "r");
FILE *processes = fopen("/proc/stat", "r");
//partd begins here
FILE *memTotal = fopen("/proc/meminfo", "r");
FILE *memFree = fopen("/proc/meminfo", "r");
struct timeval currentTime;
char repTypeName[16];
int iteration = 0;
int interval = 0;
int duration = 0;
FILE *thisProcFile;
char c;
char c1[1];
char c2[1];
char lineBuf[LB_SIZE];
/* Determine report type */
char *reportType = STANDARD;
char line[1000];
int count = 0;
int count2 = 0;
int count3 = 0;
int count4 = 0;
int count5 = 0;
int count6 = 0;
int t_days, t_hours, t_minutes, t_seconds, boot_time;
int user_mode, system_mode, idle_mode, filler, reads_completed,
writes_completed, contact_switch, b_time, process;
int mem_Total, mem_Free;
//iterating through the cpuinfo procfile by grabbing each "line"
and
//printing it to console
while ((fgets(line, sizeof(line), cpuinfo)))
{
count++;
if (count == 5)
{
printf("CPU %s\n", line);
}
}
while ((c = fgetc(version)) != EOF)
{
printf("%c", c);
}
printf("\n"); //add newline here
//normally we could check if proc is null here as an edge case
test...
while ((fgets(line, sizeof(line), uptime)))
{
sscanf(line, "%d", &boot_time);
t_days = boot_time / 60 / 60 / 24;
t_hours = boot_time / 60 / 60 % 24;
t_minutes = boot_time / 60 % 60;
t_seconds = boot_time % 60;
printf("Boot time: %02d:%02d:%02d:%02d\n\n",
t_days, t_hours, t_minutes, t_seconds);
}
//copied from notes
strcpy(repTypeName, "Standard");
if (argc > 1)
{
sscanf(argv[1], "%s", c1);
if (c1[0] != '-' || c1[1] != 's' &&
c1[1] != 'l')
{
fprintf(stderr, "usage: observer
[-s][-l int dur]\n");
exit(1);
}
if (c1[1] == 's')
{
reportType = SHORT;
strcpy(repTypeName, "Short");
fgets(line, sizeof(line),
stat);
sscanf(line, "cpu %d %d %d %d",
&user_mode, &filler, &system_mode,
&idle_mode);
printf("User mode :%d\n",
user_mode);
printf("System mode :%d\n",
system_mode);
printf("Idle mode :%d\n\n",
idle_mode);
//checking if any of the proc
files are empty...
if (stat == NULL || disks == NULL ||
contact == NULL || btime == NULL || processes == NULL)
{
printf("Files could not
be opened, proc may or may not be empty :( ");
exit(0);
}
else
{
fgets(line,
sizeof(line), stat);
sscanf(line, "CPU: %d %d
%d %d", &user_mode, &filler, &system_mode,
&idle_mode);
printf("User Mode
:%d\n", user_mode);
printf("System Mode
:%d\n", system_mode);
printf("Idle Mode
:%d\n\n", idle_mode);
}
while ((fgets(line, sizeof(line),
disks)))
{
count2++;
if (count2 == 26)
{
sscanf(line,
"%d %d %s %d %d %d %d %d", &filler, &filler, &filler,
&reads_completed, &filler, &filler, &filler,
&writes_completed);
printf("Reads Completed: %d\n", reads_completed);
printf("Writes Completed: %d\n\n", writes_completed);
}
}
while ((fgets(line, sizeof(line),
contact)))
{
count3++;
if (count3 == 11)
{
sscanf(line,
"%s %d", &filler, &contact_switch);
printf("Contact Switches: %d\n\n", contact_switch);
}
}
while ((fgets(line, sizeof(line),
btime)))
{
count4++;
if (count4 == 12)
{
sscanf(line,
"%s %d", &filler, &b_time);
printf("Boot
Time: %d\n\n", b_time);
}
}
while ((fgets(line, sizeof(line),
processes)))
{
count5++;
if (count5 == 13)
{
sscanf(line,
"%s %d", &filler, &process);
printf("Processes: %d\n\n", process);
}
}
if (memTotal == NULL)
{
printf("File not
opened");
exit(0);
}
else
{
fgets(line,
sizeof(line), memTotal);
sscanf(line, "%s %d",
&filler, &mem_Total);
printf("Memory
Configured:%d\n\n", mem_Total);
}
while ((fgets(line, sizeof(line),
memFree)))
{
count6++;
if (count6 == 2)
{
sscanf(line,
"%s %d", &filler, &mem_Free);
printf("Memory Available:%d\n\n", mem_Free);
}
}
}
else if (c1[1] == 'l')
{
if (argv[2] == NULL || argv[3] ==
NULL)
{
fprintf(stderr, "usage:
observer [-s][-l int dur]\n");
exit(1);
}
else
{
reportType = LONG;
strcpy(repTypeName,
"Long");
interval =
atoi(argv[2]);
duration =
atoi(argv[3]);
}
}
}
/* Finish initialization */
/* Code to read the relevant /proc files */
gettimeofday(¤tTime, NULL); // Get the current
time
printf("Status Report Type %s at %s\n", repTypeName,
ctime(&(currentTime.tv_sec)));
/* Get the host filename and print it */
thisProcFile = fopen("/proc/sys/kernel/hostname", "r");
fgets(lineBuf, LB_SIZE + 1, thisProcFile);
printf("Machine hostname: %s\n", lineBuf);
fclose(thisProcFile);
while (iteration < duration)
{
sleep(interval);
FILE *loadavg = fopen("/proc/loadavg",
"r");
fgets(line, sizeof(line), loadavg);
printf("Interval: %d Iteration: %d Load Average:
%s", interval, iteration, line);
//Fill this out at Part D
//
/*sampleLoadAvg();*/
iteration += interval;
}
return (0);
}
If you already answer this question, please skip, thanks C Programming. Fill in ... This program...
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need this in c programming and you can edit the code below. also give me screenshot...
need this in c programming and you can edit the code below. also
give me screenshot of the output
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#define LINE_SIZE 1024
void my_error(char *s)
{
fprintf(stderr, "Error: %s\n", s);
perror("errno");
exit(-1);
}
// This funciton prints lines (in a file) that contain string
s.
// assume all lines has at most (LINE_SIZE - 2) ASCII
characters.
//
// Functions that may be called in this function:
// fopen(), fclose(), fgets(), fputs(),...
Hi, need this question ansered in c++, has multiple levels will post again if you can...
Hi, need this question ansered in c++, has multiple levels will
post again if you can complete every level so keep an eye out for
that.
here is a sketch of the program from the screenshot
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write any other language.
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below. So I need the opposite function unzip.
Instructions:
The next tools you will build come in a pair, because
one (zip) is a file compression tool, and
the other (unzip) is a file decompression
tool.
The type of compression used here is a simple form of
compression called run-length encoding (RLE). RLE is quite simple:
when...
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Below is the picture for the direction of my program and also the part where I...
Below is the picture for the direction of my program and also
the part where I have problems with I've already finished it and
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need this in c programming and you can edit the code below. also
give me screenshot of the output
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#define LINE_SIZE 1024
void my_error(char *s)
{
fprintf(stderr, "Error: %s\n", s);
perror("errno");
exit(-1);
}
// This funciton prints lines (in a file) that contain string
s.
// assume all lines has at most (LINE_SIZE - 2) ASCII
characters.
//
// Functions that may be called in this function:
// fopen(), fclose(), fgets(), fputs(),...
Hi, need this question ansered in c++, has multiple levels will
post again if you can complete every level so keep an eye out for
that.
here is a sketch of the program from the screenshot
int main (int argc, char** argv) { enum { total, unique } mode =
total; for (int c; (c = getopt(argc, argv, "tu")) != -1;) {
switch(c) { case 't': mode = total; break; case 'u': mode = unique;
break; } } argc -=...
I need only one C++ function . It's C++ don't
write any other language.
Hello I need unzip function here is my zip function
below. So I need the opposite function unzip.
Instructions:
The next tools you will build come in a pair, because
one (zip) is a file compression tool, and
the other (unzip) is a file decompression
tool.
The type of compression used here is a simple form of
compression called run-length encoding (RLE). RLE is quite simple:
when...
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Below is the picture for the direction of my program and also
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