/******************************************************************************
*
* Copyright (c) 2014 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* ProcCmdline.h
*
*****************************************************************************/
#pragma once
#include <oz++/CommonObject.h>
#include <oz++/CharString.h>
namespace OZ {
class ProcCmdline :public CommonObject {
private:
pid_t pid;
CharString fullpath;
CharString cmdline;
public:
ProcCmdline(pid_t id, const char* cmdlineFile) // cmdlineFile = "/proc/[pid]/cmdline"
:pid(id),
fullpath(cmdlineFile),
cmdline("")
{
read();
}
public:
~ProcCmdline()
{
}
public:
CharString getPath()
{
return fullpath;
}
public:
void read() {
//Open and read the /proc/[pid]/cmdline file.
FILE* fp = fopen((const char*)fullpath, "r");
if (fp) {
char process[PATH_MAX];
int r = fscanf(fp, "%s", process);
fclose(fp);
if (r) {
cmdline = process;
}
} else {
printf("Failed to open a file %s\n", (const char*)fullpath);
}
}
//2014/12/08
public:
int compare(CommonObject* object)
{
int rc = 0;
if (object==NULL) {
return rc;
}
//compare this->fullpath and object->fullpath
const char* p1 = (const char*)this->fullpath;
ProcCmdline* cmd = (ProcCmdline*)object;
const char* p2 = (const char*)cmd->getPath();
if (p1 == NULL && p2 == NULL) {
rc = 1;
}
if (p1 != NULL && p2 != NULL) {
rc = __strcmp(p1, p2);
}
return rc;
}
public:
void display()
{
wprintf(L"%d %s\n", pid, (const char*)cmdline);
}
pid_t getPid() {
return pid;
}
const char* getCmdline()
{
return (const char*)cmdline;
}
};
}