src/sgps/sgps.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <pwd.h>
#include "statgrab.h"

char usage(char *progname){
        fprintf(stderr," Usage: %s [-efAnh] [-u user] [-o sort]\n\n", progname);
        fprintf(stderr, "\t-h\tDisplays this help\n");
        fprintf(stderr, "\t-e\tAll processes\n");
        fprintf(stderr, "\t-f\tFull listing\n");
        fprintf(stderr, "\t-a\tAll processes (same as -e)\n");
        fprintf(stderr, "\t-n\tDont look up usernames\n");
        fprintf(stderr, "\t-u\tLook for just this user\n");
        fprintf(stderr, "\t-o\tSorting method. Valid are cpu, mem, pid, uid, gid and size\n");
        fprintf(stderr, "\n");
        exit(1);
}

char *size_conv(long long number){
        char type[] = {'B', 'K', 'M', 'G', 'T'};
        int x=0;
        static char string[10];

        for(;x<5;x++){
                if( (number/1024) < (100)) {
                        break;
                }
                number = (number/1024);
        }

        snprintf(string, 10, "%lld%c", number, type[x]);        
        return string;
        
}

char *username(uid_t uid){
        static struct passwd *pass;

        pass = getpwuid(uid);
        if(pass == NULL){
                return "NULL";
        }

        return pass->pw_name;
}

char *proc_state(sg_process_state state){
        static char *pstat = "Unk";

        if(state == SG_PROCESS_STATE_RUNNING){
                pstat="Run";
        }

        if(state == SG_PROCESS_STATE_SLEEPING){
                pstat="Sleep";
        }

        if(state == SG_PROCESS_STATE_STOPPED){
                pstat="Stop";
        }

        if(state == SG_PROCESS_STATE_ZOMBIE){
                pstat="Zomb";
        }

        if(state == SG_PROCESS_STATE_UNKNOWN){
                pstat="Unk";
        }
        
        return pstat;
}

int main(int argc, char **argv){
        extern char *optarg;
        int c;
        int x;
        int full=0;
        int detailed=0;
        int nolookup=0;
        struct passwd *pwd_ent;
        uid_t uid = -1;
 
        int (*sortby_ptr)(const void *va, const void *vb);

        int entries;
        extern char *optarg;


        sg_process_stats *sg_proc = NULL;
        /* Default behaviour - sort by pid */
        sortby_ptr = sg_process_compare_pid;

        while ((c = getopt(argc, argv, "hneAfU:u:o:")) != -1){
                switch (c){
                        case 'e':
                        case 'A':
                                full=1;
                                break;
                        case 'f':
                                detailed=1;
                                break;
                        case 'n':
                                nolookup=1;
                                break;
                        case 'U':
                        case 'u':
                                pwd_ent = getpwnam(optarg);
                                if (pwd_ent == NULL){
                                        fprintf(stderr, "Error: user %s does not exist\n", optarg);
                                        exit(1);
                                }
                                uid = pwd_ent->pw_uid;
                                break;
                        case 'o':
                                if(!strncasecmp(optarg, "cpu", 3)){
                                        sortby_ptr = sg_process_compare_cpu;
                                        break;
                                }
                                if(!strncasecmp(optarg, "size", 3)){
                                        sortby_ptr = sg_process_compare_size;
                                        break;
                                }
                                if(!strncasecmp(optarg, "pid", 3)){
                                        sortby_ptr = sg_process_compare_pid;
                                        break;
                                }
                                if(!strncasecmp(optarg, "mem", 3)){
                                        sortby_ptr = sg_process_compare_res;
                                        break;
                                }
                                if(!strncasecmp(optarg, "res", 3)){
                                        sortby_ptr = sg_process_compare_res;
                                        break;
                                }
                                if(!strncasecmp(optarg, "uid", 3)){
                                        sortby_ptr = sg_process_compare_uid;
                                        break;
                                }
                                if(!strncasecmp(optarg, "gid", 3)){
                                        sortby_ptr = sg_process_compare_gid;
                                        break;
                                }
                        case 'h':
                        default:
                                usage(argv[0]);
                                break;
                                exit(1);
                }
        }

        /* Get the procs - and sort them */
        sg_proc = sg_get_process_stats(&entries);
        qsort(sg_proc, entries, sizeof *sg_proc, sortby_ptr);

        /* Print the headers out on stderr, so should someone want to use this in a script, they wont need to
         * strip out the first line.
         */
        if (full){ 
                fprintf(stderr, "%9s %6s %6s %6s %7s %7s %4s %s\n", "User", "pid", "parent", "state", "size", "res", "CPU", "Process");
        }else{
                fprintf(stderr, "%6s %7s %4s %s\n", "pid", "size", "CPU", "Process");
        }

        for(x=0; x<entries; x++){
                char *proc_out=NULL;
                if (detailed) {
                        proc_out = sg_proc->proctitle;
                }else{
                        proc_out = sg_proc->process_name;
                }

                if((uid == -1) || (uid == sg_proc->uid)){
                        if(full){
                                printf("%9s %6d %6d %6s %7s %7s %2.2f %s\n", username(sg_proc->uid), (int)sg_proc->pid, (int)sg_proc->parent, proc_state(sg_proc->state), size_conv(sg_proc->proc_size), size_conv(sg_proc->proc_resident), sg_proc->cpu_percent, proc_out);
                        }else{
                                printf("%6d %7s %2.2f %s\n", (int)sg_proc->pid, size_conv(sg_proc->proc_size), sg_proc->cpu_percent, proc_out);
                        }
                }

                sg_proc++;
        }

        return 0;
}
Revision:	1.2
Committed:	Thu Apr 7 16:41:29 2005 UTC (19 years, 8 months ago) by pajs
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+37 -11 lines
Log Message:	Added support for user and added usage. Also made headers go on stderr, so if going thru some parsing script, it doesn't need to strip off the first line.
#	User	Rev	Content
1	pajs	1.1	#include <stdio.h>
2			#include <stdlib.h>
3			#include <unistd.h>
4			#include <strings.h>
5			#include <pwd.h>
6			#include "statgrab.h"
7
8	pajs	1.2	char usage(char *progname){
9			fprintf(stderr," Usage: %s [-efAnh] [-u user] [-o sort]\n\n", progname);
10			fprintf(stderr, "\t-h\tDisplays this help\n");
11			fprintf(stderr, "\t-e\tAll processes\n");
12			fprintf(stderr, "\t-f\tFull listing\n");
13			fprintf(stderr, "\t-a\tAll processes (same as -e)\n");
14			fprintf(stderr, "\t-n\tDont look up usernames\n");
15			fprintf(stderr, "\t-u\tLook for just this user\n");
16			fprintf(stderr, "\t-o\tSorting method. Valid are cpu, mem, pid, uid, gid and size\n");
17			fprintf(stderr, "\n");
18			exit(1);
19			}
20
21	pajs	1.1	char *size_conv(long long number){
22			char type[] = {'B', 'K', 'M', 'G', 'T'};
23			int x=0;
24			static char string[10];
25
26			for(;x<5;x++){
27			if( (number/1024) < (100)) {
28			break;
29			}
30			number = (number/1024);
31			}
32
33			snprintf(string, 10, "%lld%c", number, type[x]);
34			return string;
35
36			}
37
38			char *username(uid_t uid){
39			static struct passwd *pass;
40
41			pass = getpwuid(uid);
42			if(pass == NULL){
43			return "NULL";
44			}
45
46			return pass->pw_name;
47			}
48
49			char *proc_state(sg_process_state state){
50			static char *pstat = "Unk";
51
52			if(state == SG_PROCESS_STATE_RUNNING){
53			pstat="Run";
54			}
55
56			if(state == SG_PROCESS_STATE_SLEEPING){
57			pstat="Sleep";
58			}
59
60			if(state == SG_PROCESS_STATE_STOPPED){
61			pstat="Stop";
62			}
63
64			if(state == SG_PROCESS_STATE_ZOMBIE){
65			pstat="Zomb";
66			}
67
68			if(state == SG_PROCESS_STATE_UNKNOWN){
69			pstat="Unk";
70			}
71
72			return pstat;
73			}
74
75			int main(int argc, char **argv){
76			extern char *optarg;
77			int c;
78			int x;
79			int full=0;
80			int detailed=0;
81			int nolookup=0;
82	pajs	1.2	struct passwd *pwd_ent;
83			uid_t uid = -1;
84	pajs	1.1
85			int (sortby_ptr)(const void va, const void *vb);
86
87			int entries;
88			extern char *optarg;
89
90
91			sg_process_stats *sg_proc = NULL;
92			/* Default behaviour - sort by pid */
93			sortby_ptr = sg_process_compare_pid;
94
95	pajs	1.2	while ((c = getopt(argc, argv, "hneAfU:u:o:")) != -1){
96	pajs	1.1	switch (c){
97			case 'e':
98			case 'A':
99			full=1;
100			break;
101			case 'f':
102			detailed=1;
103			break;
104			case 'n':
105			nolookup=1;
106			break;
107	pajs	1.2	case 'U':
108	pajs	1.1	case 'u':
109	pajs	1.2	pwd_ent = getpwnam(optarg);
110			if (pwd_ent == NULL){
111			fprintf(stderr, "Error: user %s does not exist\n", optarg);
112			exit(1);
113			}
114			uid = pwd_ent->pw_uid;
115	pajs	1.1	break;
116			case 'o':
117			if(!strncasecmp(optarg, "cpu", 3)){
118			sortby_ptr = sg_process_compare_cpu;
119			break;
120			}
121			if(!strncasecmp(optarg, "size", 3)){
122			sortby_ptr = sg_process_compare_size;
123			break;
124			}
125			if(!strncasecmp(optarg, "pid", 3)){
126			sortby_ptr = sg_process_compare_pid;
127			break;
128			}
129			if(!strncasecmp(optarg, "mem", 3)){
130			sortby_ptr = sg_process_compare_res;
131			break;
132			}
133			if(!strncasecmp(optarg, "res", 3)){
134			sortby_ptr = sg_process_compare_res;
135			break;
136			}
137			if(!strncasecmp(optarg, "uid", 3)){
138			sortby_ptr = sg_process_compare_uid;
139			break;
140			}
141			if(!strncasecmp(optarg, "gid", 3)){
142			sortby_ptr = sg_process_compare_gid;
143			break;
144			}
145	pajs	1.2	case 'h':
146	pajs	1.1	default:
147	pajs	1.2	usage(argv[0]);
148	pajs	1.1	break;
149	pajs	1.2	exit(1);
150	pajs	1.1	}
151			}
152
153			/* Get the procs - and sort them */
154			sg_proc = sg_get_process_stats(&entries);
155			qsort(sg_proc, entries, sizeof *sg_proc, sortby_ptr);
156
157	pajs	1.2	/* Print the headers out on stderr, so should someone want to use this in a script, they wont need to
158			* strip out the first line.
159			*/
160	pajs	1.1	if (full){
161	pajs	1.2	fprintf(stderr, "%9s %6s %6s %6s %7s %7s %4s %s\n", "User", "pid", "parent", "state", "size", "res", "CPU", "Process");
162	pajs	1.1	}else{
163	pajs	1.2	fprintf(stderr, "%6s %7s %4s %s\n", "pid", "size", "CPU", "Process");
164	pajs	1.1	}
165
166			for(x=0; x<entries; x++){
167			char *proc_out=NULL;
168			if (detailed) {
169			proc_out = sg_proc->proctitle;
170			}else{
171			proc_out = sg_proc->process_name;
172			}
173
174	pajs	1.2	if((uid == -1) \|\| (uid == sg_proc->uid)){
175			if(full){
176			printf("%9s %6d %6d %6s %7s %7s %2.2f %s\n", username(sg_proc->uid), (int)sg_proc->pid, (int)sg_proc->parent, proc_state(sg_proc->state), size_conv(sg_proc->proc_size), size_conv(sg_proc->proc_resident), sg_proc->cpu_percent, proc_out);
177			}else{
178			printf("%6d %7s %2.2f %s\n", (int)sg_proc->pid, size_conv(sg_proc->proc_size), sg_proc->cpu_percent, proc_out);
179			}
180	pajs	1.1	}
181
182			sg_proc++;
183			}
184
185			return 0;
186			}