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mirror of https://github.com/Llewellynvdm/conky.git synced 2024-11-19 19:45:15 +00:00
conky/src/proc.cc
2021-02-27 09:14:19 -06:00

907 lines
28 KiB
C++

/*
*
* Conky, a system monitor, based on torsmo
*
* Any original torsmo code is licensed under the BSD license
*
* All code written since the fork of torsmo is licensed under the GPL
*
* Please see COPYING for details
*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
* Copyright (c) 2005-2021 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "proc.h"
#include <dirent.h>
#include <unistd.h>
#include <cctype>
#include <memory>
#include <sstream>
#include "conky.h"
#include "core.h"
#include "logging.h"
char *readfile(const char *filename, int *total_read, char showerror) {
FILE *file;
char *buf = nullptr;
int bytes_read;
*total_read = 0;
file = fopen(filename, "re");
if (file != nullptr) {
do {
buf = static_cast<char *>(realloc(buf, *total_read + READSIZE + 1));
bytes_read = fread(buf + *total_read, 1, READSIZE, file);
*total_read += bytes_read;
buf[*total_read] = 0;
} while (bytes_read != 0);
fclose(file);
} else if (showerror != 0) {
NORM_ERR(READERR, filename);
}
return buf;
}
void pid_readlink(const char *file, char *p, unsigned int p_max_size) {
std::unique_ptr<char[]> buf(new char[p_max_size]);
memset(buf.get(), 0, p_max_size);
if (readlink(file, buf.get(), p_max_size) >= 0) {
snprintf(p, p_max_size, "%s", buf.get());
} else {
NORM_ERR(READERR, file);
}
}
struct ll_string {
char *string;
struct ll_string *next;
};
struct ll_string *addnode(struct ll_string *end, char *string) {
auto *current =
static_cast<struct ll_string *>(malloc(sizeof(struct ll_string)));
current->string = strdup(string);
current->next = nullptr;
if (end != nullptr) { end->next = current; }
return current;
}
void freelist(struct ll_string *front) {
if (front != nullptr) {
free(front->string);
if (front->next != nullptr) { freelist(front->next); }
free(front);
}
}
int inlist(struct ll_string *front, char *string) {
struct ll_string *current;
for (current = front; current != nullptr; current = current->next) {
if (strcmp(current->string, string) == 0) { return 1; }
}
return 0;
}
void print_pid_chroot(struct text_object *obj, char *p,
unsigned int p_max_size) {
std::ostringstream pathstream;
std::unique_ptr<char[]> buf(new char[max_user_text.get(*state)]);
generate_text_internal(buf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << buf.get() << "/root";
pid_readlink(pathstream.str().c_str(), p, p_max_size);
}
void print_pid_cmdline(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *buf;
int i, bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (*(objbuf.get()) != 0) {
pathstream << PROCDIR "/" << objbuf.get() << "/cmdline";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
for (i = 0; i < bytes_read - 1; i++) {
if (buf[i] == 0) { buf[i] = ' '; }
}
snprintf(p, p_max_size, "%s", buf);
free(buf);
}
} else {
NORM_ERR("$pid_cmdline didn't receive a argument");
}
}
void print_pid_cwd(struct text_object *obj, char *p, unsigned int p_max_size) {
std::unique_ptr<char[]> buf(new char[p_max_size]);
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/cwd";
bytes_read = readlink(pathstream.str().c_str(), buf.get(), p_max_size);
if (bytes_read != -1) {
buf[bytes_read] = 0;
snprintf(p, p_max_size, "%s", buf.get());
} else {
NORM_ERR(READERR, pathstream.str().c_str());
}
}
void print_pid_environ(struct text_object *obj, char *p,
unsigned int p_max_size) {
int i, total_read;
pid_t pid;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
char *buf, *var = strdup(obj->data.s);
;
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (sscanf(objbuf.get(), "%d %s", &pid, var) == 2) {
for (i = 0; var[i] != 0; i++) {
var[i] = toupper(static_cast<unsigned char>(var[i]));
}
pathstream << PROCDIR "/" << pid << "/cwd";
buf = readfile(pathstream.str().c_str(), &total_read, 1);
if (buf != nullptr) {
for (i = 0; i < total_read; i += strlen(buf + i) + 1) {
if (strncmp(buf + i, var, strlen(var)) == 0 &&
*(buf + i + strlen(var)) == '=') {
snprintf(p, p_max_size, "%s", buf + i + strlen(var) + 1);
free(buf);
free(var);
return;
}
}
free(buf);
}
*p = 0;
}
free(var);
}
void print_pid_environ_list(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *buf = nullptr;
char *buf2;
int bytes_read, total_read;
int i = 0;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/environ";
buf = readfile(pathstream.str().c_str(), &total_read, 1);
if (buf != nullptr) {
for (bytes_read = 0; bytes_read < total_read; buf[i - 1] = ';') {
buf2 = strdup(buf + bytes_read);
bytes_read += strlen(buf2) + 1;
sscanf(buf2, "%[^=]", buf + i);
free(buf2);
i = strlen(buf) + 1;
}
buf[i - 1] = 0;
snprintf(p, p_max_size, "%s", buf);
free(buf);
}
}
void print_pid_exe(struct text_object *obj, char *p, unsigned int p_max_size) {
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/exe";
pid_readlink(pathstream.str().c_str(), p, p_max_size);
}
void print_pid_nice(struct text_object *obj, char *p, unsigned int p_max_size) {
char *buf = nullptr;
int bytes_read;
long int nice_value;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (!obj->data.s) {
pathstream << PROCDIR "/" << objbuf.get() << "/stat";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
sscanf(buf,
"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %*u %*d "
"%*d %*d %ld",
&nice_value);
snprintf(p, p_max_size, "%ld", nice_value);
free(buf);
}
} else {
NORM_ERR("$pid_nice didn't receive a argument");
}
}
void print_pid_openfiles(struct text_object *obj, char *p,
unsigned int p_max_size) {
DIR *dir;
struct dirent *entry;
std::unique_ptr<char[]> buf(new char[p_max_size]);
int length, totallength = 0;
struct ll_string *files_front = nullptr;
struct ll_string *files_back = nullptr;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
dir = opendir(objbuf.get());
if (dir != nullptr) {
while ((entry = readdir(dir)) != nullptr) {
if (entry->d_name[0] != '.') {
snprintf(buf.get(), p_max_size, "%s/%s", objbuf.get(), entry->d_name);
length = readlink(buf.get(), buf.get(), p_max_size);
buf[length] = 0;
if (inlist(files_front, buf.get()) == 0) {
files_back = addnode(files_back, buf.get());
snprintf(p + totallength, p_max_size - totallength, "%s; ",
buf.get());
totallength += length + strlen("; ");
}
if (files_front == nullptr) { files_front = files_back; }
}
}
closedir(dir);
freelist(files_front);
p[totallength - strlen("; ")] = 0;
} else {
p[0] = 0;
}
}
void print_pid_parent(struct text_object *obj, char *p,
unsigned int p_max_size) {
#define PARENT_ENTRY "PPid:\t"
#define PARENTNOTFOUND "Can't find the process parent in '%s'"
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/status";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, PARENT_ENTRY);
if (begin != nullptr) {
begin += strlen(PARENT_ENTRY);
end = strchr(begin, '\n');
if (end != nullptr) { *(end) = 0; }
snprintf(p, p_max_size, "%s", begin);
} else {
NORM_ERR(PARENTNOTFOUND, pathstream.str().c_str());
}
free(buf);
}
}
void print_pid_priority(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *buf = nullptr;
int bytes_read;
long int priority;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (*(objbuf.get()) != 0) {
pathstream << PROCDIR "/" << objbuf.get() << "/stat";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
sscanf(buf,
"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %*u %*d "
"%*d %ld",
&priority);
snprintf(p, p_max_size, "%ld", priority);
free(buf);
}
} else {
NORM_ERR("$pid_priority didn't receive a argument");
}
}
void print_pid_state(struct text_object *obj, char *p,
unsigned int p_max_size) {
#define STATE_ENTRY "State:\t"
#define STATENOTFOUND "Can't find the process state in '%s'"
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/status";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, STATE_ENTRY);
if (begin != nullptr) {
begin += strlen(STATE_ENTRY) +
3; // +3 will strip the char representing the short state and
// the space and '(' that follow
end = strchr(begin, '\n');
if (end != nullptr) {
*(end - 1) = 0; // -1 strips the ')'
}
snprintf(p, p_max_size, "%s", begin);
} else {
NORM_ERR(STATENOTFOUND, pathstream.str().c_str());
}
free(buf);
}
}
void print_pid_state_short(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *begin, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/status";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, STATE_ENTRY);
if (begin != nullptr) {
snprintf(p, p_max_size, "%c", *begin);
} else {
NORM_ERR(STATENOTFOUND, pathstream.str().c_str());
}
free(buf);
}
}
void print_pid_stderr(struct text_object *obj, char *p,
unsigned int p_max_size) {
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/fd/2";
pid_readlink(pathstream.str().c_str(), p, p_max_size);
}
void print_pid_stdin(struct text_object *obj, char *p,
unsigned int p_max_size) {
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
std::ostringstream pathstream;
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/fd/0";
pid_readlink(pathstream.str().c_str(), p, p_max_size);
}
void print_pid_stdout(struct text_object *obj, char *p,
unsigned int p_max_size) {
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/fd/1";
pid_readlink(pathstream.str().c_str(), p, p_max_size);
}
void scan_cmdline_to_pid_arg(struct text_object *obj, const char *arg,
void *free_at_crash) {
unsigned int i;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
/* FIXME */
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (strlen(arg) > 0) {
obj->data.s = strdup(arg);
for (i = 0; obj->data.s[i] != 0; i++) {
while (obj->data.s[i] == ' ' && obj->data.s[i + 1] == ' ') {
memmove(obj->data.s + i, obj->data.s + i + 1,
strlen(obj->data.s + i + 1) + 1);
}
}
if (obj->data.s[i - 1] == ' ') { obj->data.s[i - 1] = 0; }
} else {
CRIT_ERR(obj, free_at_crash, "${cmdline_to_pid commandline}");
}
}
void print_cmdline_to_pid(struct text_object *obj, char *p,
unsigned int p_max_size) {
DIR *dir;
struct dirent *entry;
char *buf;
int bytes_read, i;
std::ostringstream pathstream;
dir = opendir(PROCDIR);
if (dir != nullptr) {
while ((entry = readdir(dir)) != nullptr) {
pathstream << PROCDIR "/" << entry->d_name << "/cmdline";
buf = readfile(pathstream.str().c_str(), &bytes_read, 0);
if (buf != nullptr) {
for (i = 0; i < bytes_read - 1; i++) {
if (buf[i] == 0) { buf[i] = ' '; }
}
if (strstr(buf, obj->data.s) != nullptr) {
snprintf(p, p_max_size, "%s", entry->d_name);
free(buf);
closedir(dir);
return;
}
free(buf);
}
}
closedir(dir);
} else {
NORM_ERR(READERR, PROCDIR);
}
}
void print_pid_threads(struct text_object *obj, char *p,
unsigned int p_max_size) {
#define THREADS_ENTRY "Threads:\t"
#define THREADSNOTFOUND \
"Can't find the number of the threads of the process in '%s'"
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/status";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, THREADS_ENTRY);
if (begin != nullptr) {
begin += strlen(THREADS_ENTRY);
end = strchr(begin, '\n');
if (end != nullptr) { *(end) = 0; }
snprintf(p, p_max_size, "%s", begin);
} else {
NORM_ERR(THREADSNOTFOUND, pathstream.str().c_str());
}
free(buf);
}
}
void print_pid_thread_list(struct text_object *obj, char *p,
unsigned int p_max_size) {
DIR *dir;
struct dirent *entry;
int totallength = 0;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/task";
dir = opendir(pathstream.str().c_str());
if (dir != nullptr) {
while ((entry = readdir(dir)) != nullptr) {
if (entry->d_name[0] != '.') {
snprintf(p + totallength, p_max_size - totallength, "%s,",
entry->d_name);
totallength += strlen(entry->d_name) + 1;
}
}
closedir(dir);
if (totallength > 0 && p[totallength - 1] == ',') {
p[totallength - 1] = 0;
}
} else {
p[0] = 0;
}
}
void print_pid_time_kernelmode(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *buf = nullptr;
int bytes_read;
unsigned long int umtime;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (*(objbuf.get()) != 0) {
pathstream << PROCDIR "/" << objbuf.get() << "/stat";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu",
&umtime);
snprintf(p, p_max_size, "%.2f", static_cast<float>(umtime) / 100);
free(buf);
}
} else {
NORM_ERR("$pid_time_kernelmode didn't receive a argument");
}
}
void print_pid_time_usermode(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *buf = nullptr;
int bytes_read;
unsigned long int kmtime;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (*(objbuf.get()) != 0) {
pathstream << PROCDIR "/" << objbuf.get() << "/stat";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %lu",
&kmtime);
snprintf(p, p_max_size, "%.2f", static_cast<float>(kmtime) / 100);
free(buf);
}
} else {
NORM_ERR("$pid_time_usermode didn't receive a argument");
}
}
void print_pid_time(struct text_object *obj, char *p, unsigned int p_max_size) {
char *buf = nullptr;
int bytes_read;
unsigned long int umtime, kmtime;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
if (*(objbuf.get()) != 0) {
pathstream << PROCDIR "/" << objbuf.get() << "/stat";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu",
&umtime, &kmtime);
snprintf(p, p_max_size, "%.2f",
static_cast<float>(umtime + kmtime) / 100);
free(buf);
}
} else {
NORM_ERR("$pid_time didn't receive a argument");
}
}
enum xid_type { egid, euid, fsgid, fsuid, gid, sgid, suid, uid };
void print_pid_Xid(struct text_object *obj, char *p, int p_max_size,
xid_type type) {
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::string errorstring;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/status";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
switch (type) {
case egid:
begin = strstr(buf, "Gid:\t");
break;
case euid:
begin = strstr(buf, "Uid:\t");
break;
case fsgid:
begin = strstr(buf, "Gid:\t");
break;
case fsuid:
begin = strstr(buf, "Uid:\t");
break;
case gid:
begin = strstr(buf, "Gid:\t");
break;
case sgid:
begin = strstr(buf, "Gid:\t");
break;
case suid:
begin = strstr(buf, "Uid:\t");
break;
case uid:
begin = strstr(buf, "Uid:\t");
break;
default:
break;
}
if (begin != nullptr) {
switch (type) {
case gid:
begin += strlen("Gid:\t");
break;
case uid:
begin += strlen("Uid:\t");
break;
case egid:
case euid:
begin = strchr(begin, '\t');
begin++;
begin = strchr(begin, '\t');
begin++;
break;
case sgid:
case suid:
begin = strchr(begin, '\t');
begin++;
begin = strchr(begin, '\t');
begin++;
begin = strchr(begin, '\t');
begin++;
break;
case fsgid:
case fsuid:
begin = strchr(begin, '\t');
begin++;
begin = strchr(begin, '\t');
begin++;
begin = strchr(begin, '\t');
begin++;
begin = strchr(begin, '\t');
begin++;
break;
default:
break;
}
if (type == fsgid || type == fsuid) {
end = strchr(begin, '\n');
} else {
end = strchr(begin, '\t');
}
if (end != nullptr) { *(end) = 0; }
snprintf(p, p_max_size, "%s", begin);
} else {
errorstring = "Can't find the process ";
switch (type) {
case egid:
errorstring.append("effective gid");
break;
case euid:
errorstring.append("effective uid");
break;
case fsgid:
errorstring.append("process file system gid");
break;
case fsuid:
errorstring.append("process file system uid");
break;
case gid:
errorstring.append("real gid");
break;
case sgid:
errorstring.append("saved set gid");
break;
case suid:
errorstring.append("saved set uid");
break;
case uid:
errorstring.append("real uid");
break;
default:
break;
}
errorstring.append(" in '%s'");
NORM_ERR(errorstring.c_str(), pathstream.str().c_str());
}
free(buf);
}
}
void print_pid_egid(struct text_object *obj, char *p, unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, egid);
}
void print_pid_euid(struct text_object *obj, char *p, unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, euid);
}
void print_pid_fsgid(struct text_object *obj, char *p,
unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, fsgid);
}
void print_pid_fsuid(struct text_object *obj, char *p,
unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, fsuid);
}
void print_pid_gid(struct text_object *obj, char *p, unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, gid);
}
void print_pid_sgid(struct text_object *obj, char *p, unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, sgid);
}
void print_pid_suid(struct text_object *obj, char *p, unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, suid);
}
void print_pid_uid(struct text_object *obj, char *p, unsigned int p_max_size) {
print_pid_Xid(obj, p, p_max_size, uid);
}
void internal_print_pid_vm(struct text_object *obj, char *p, int p_max_size,
const char *entry, const char *errorstring) {
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/status";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, entry);
if (begin != nullptr) {
begin += strlen(entry);
while (*begin == '\t' || *begin == ' ') { begin++; }
end = strchr(begin, '\n');
if (end != nullptr) { *(end) = 0; }
snprintf(p, p_max_size, "%s", begin);
} else {
NORM_ERR(errorstring, pathstream.str().c_str());
}
free(buf);
}
}
void print_pid_vmpeak(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(
obj, p, p_max_size, "VmPeak:\t",
"Can't find the process peak virtual memory size in '%s'");
}
void print_pid_vmsize(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(obj, p, p_max_size, "VmSize:\t",
"Can't find the process virtual memory size in '%s'");
}
void print_pid_vmlck(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(obj, p, p_max_size, "VmLck:\t",
"Can't find the process locked memory size in '%s'");
}
void print_pid_vmhwm(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(
obj, p, p_max_size, "VmHWM:\t",
"Can't find the process peak resident set size in '%s'");
}
void print_pid_vmrss(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(obj, p, p_max_size, "VmHWM:\t",
"Can't find the process resident set size in '%s'");
}
void print_pid_vmdata(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(obj, p, p_max_size, "VmData:\t",
"Can't find the process data segment size in '%s'");
}
void print_pid_vmstk(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(obj, p, p_max_size, "VmData:\t",
"Can't find the process stack segment size in '%s'");
}
void print_pid_vmexe(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(obj, p, p_max_size, "VmData:\t",
"Can't find the process text segment size in '%s'");
}
void print_pid_vmlib(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(
obj, p, p_max_size, "VmLib:\t",
"Can't find the process shared library code size in '%s'");
}
void print_pid_vmpte(struct text_object *obj, char *p,
unsigned int p_max_size) {
internal_print_pid_vm(
obj, p, p_max_size, "VmPTE:\t",
"Can't find the process page table entries size in '%s'");
}
#define READ_ENTRY "read_bytes: "
#define READNOTFOUND "Can't find the amount of bytes read in '%s'"
void print_pid_read(struct text_object *obj, char *p, unsigned int p_max_size) {
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/io";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, READ_ENTRY);
if (begin != nullptr) {
end = strchr(begin, '\n');
if (end != nullptr) { *(end) = 0; }
snprintf(p, p_max_size, "%s", begin);
} else {
NORM_ERR(READNOTFOUND, pathstream.str().c_str());
}
free(buf);
}
}
#define WRITE_ENTRY "write_bytes: "
#define WRITENOTFOUND "Can't find the amount of bytes written in '%s'"
void print_pid_write(struct text_object *obj, char *p,
unsigned int p_max_size) {
char *begin, *end, *buf = nullptr;
int bytes_read;
std::ostringstream pathstream;
std::unique_ptr<char[]> objbuf(new char[max_user_text.get(*state)]);
generate_text_internal(objbuf.get(), max_user_text.get(*state), *obj->sub);
pathstream << PROCDIR "/" << objbuf.get() << "/io";
buf = readfile(pathstream.str().c_str(), &bytes_read, 1);
if (buf != nullptr) {
begin = strstr(buf, WRITE_ENTRY);
if (begin != nullptr) {
end = strchr(begin, '\n');
if (end != nullptr) { *(end) = 0; }
snprintf(p, p_max_size, "%s", begin);
} else {
NORM_ERR(WRITENOTFOUND, pathstream.str().c_str());
}
free(buf);
}
}