Mercurial > minori

annotate dep/animia/src/bsd.cpp @ 94:2f373d48f889

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
*: etc changes to graph stuff
author Paper <mrpapersonic@gmail.com>
date Wed, 01 Nov 2023 14:30:26 -0400
parents c912128af0eb
children 18979b066284
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
1 /**
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
2 * bsd.cpp
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
3 * - provides support for most* versions of BSD
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
4 * - this also works for OS X :)
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
5 * more technical details: this is essentially a wrapper
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
6 * around the very C-like BSD system functions that are...
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
7 * kind of unnatural to use in modern C++.
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
8 **/
86
c912128af0eb *: various macos fixes
Paper <mrpapersonic@gmail.com>
parents: 84
diff changeset
9 #include <assert.h>
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
10 #include <fcntl.h>
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
11 #include <iostream>
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
12 #include <string>
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
13 #include <sys/sysctl.h>
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
14 #include <sys/types.h>
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
15 #include <sys/user.h>
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
16 #include <unordered_map>
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
17 #include <vector>
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
18 #ifdef __FreeBSD__
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
19 # include <libutil.h>
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
20 #elif defined(__APPLE__)
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
21 # include <libproc.h>
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
22 #endif
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
23
84
eab9e623eb84 dep/animia: update from upstream
Paper <mrpapersonic@gmail.com>
parents: 78
diff changeset
24 namespace Animia { namespace Unix {
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
25
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
26 /* this is a cleaned up version of a function from... Apple?
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
27 ...anyway, what it essentially does is gets the size and stuff from
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
28 sysctl() and reserves the space in a vector to store the PIDs */
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
29 std::vector<int> get_all_pids() {
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
30 std::vector<int> ret;
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
31 struct kinfo_proc* result = NULL;
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
32 size_t length = 0;
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
33 static const int name[] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0};
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
34
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
35 /* get appropriate length from sysctl()
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
36 note: the reason this isn't checked is actually because this will
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
37 *always* return an error on OS X (or... maybe I'm doing it wrong :) ) */
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
38 sysctl((int*)name, (sizeof(name) / sizeof(*name)) - 1, NULL, &length, NULL, 0);
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
39
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
40 result = (struct kinfo_proc*)malloc(length);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
41 if (result == NULL)
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
42 return std::vector<int>();
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
43
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
44 /* actually get our results */
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
45 if (sysctl((int*)name, (sizeof(name) / sizeof(*name)) - 1, result, &length, NULL, 0) == ENOMEM) {
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
46 assert(result != NULL);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
47 free(result);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
48 throw std::bad_alloc();
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
49 }
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
50
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
51 /* add pids to our vector */
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
52 ret.reserve(length / sizeof(*result));
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
53 for (int i = 0; i < length / sizeof(*result); i++)
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
54 ret.push_back(result[i].kp_proc.p_pid);
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
55
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
56 return ret;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
57 }
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
58
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
59 std::string get_process_name(int pid) {
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
60 std::string ret;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
61 #ifdef __FreeBSD__
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
62 struct kinfo_proc* proc = kinfo_getproc(pid);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
63 if (!proc)
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
64 return "";
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
65 ret = proc->ki_comm;
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
66 free(proc);
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
67 #elif defined(__APPLE__)
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
68 struct proc_bsdinfo proc;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
69
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
70 int st = proc_pidinfo(pid, PROC_PIDTBSDINFO, 0, &proc, PROC_PIDTBSDINFO_SIZE);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
71 if (st != PROC_PIDTBSDINFO_SIZE)
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
72 return "";
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
73 ret = proc.pbi_comm;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
74 #endif
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
75 return ret;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
76 }
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
77
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
78 std::vector<std::string> get_open_files(int pid) {
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
79 /* note: this is OS X only right now. eventually, I'll find a way
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
80 to do this in FreeBSD, OpenBSD and the like */
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
81 std::vector<std::string> ret;
78
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
82
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
83 if (pid == 0)
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
84 return ret;
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
85
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
86 int bufsz = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, NULL, 0);
78
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
87 if (bufsz == -1)
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
88 return ret;
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
89
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
90 struct proc_fdinfo* info = (struct proc_fdinfo*)malloc(bufsz);
78
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
91 if (!info)
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
92 return ret;
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
93
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
94 proc_pidinfo(pid, PROC_PIDLISTFDS, 0, info, bufsz);
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
95
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
96 // iterate over stuff
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
97 ret.reserve(bufsz / sizeof(info[0]));
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
98 for (int i = 0; i < bufsz / sizeof(info[0]); i++) {
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
99 if (info[i].proc_fdtype == PROX_FDTYPE_VNODE) {
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
100 struct vnode_fdinfowithpath vnodeInfo;
78
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
101
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
102 int sz = proc_pidfdinfo(pid, info[i].proc_fd, PROC_PIDFDVNODEPATHINFO, &vnodeInfo, PROC_PIDFDVNODEPATHINFO_SIZE);
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
103 if (sz != PROC_PIDFDVNODEPATHINFO_SIZE)
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
104 continue;
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
105
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
106 if (vnodeInfo.pfi.fi_openflags & O_WRONLY || vnodeInfo.pfi.fi_openflags & O_RDWR)
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
107 continue;
1ce00c1c8ddc dep/animia: update to upstream
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
108
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
109 ret.push_back(vnodeInfo.pvip.vip_path);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
110 }
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
111 }
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
112 return ret;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
113 }
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
114
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
115 std::unordered_map<int, std::vector<std::string>> get_all_open_files() {
62
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
116 std::unordered_map<int, std::vector<std::string>> map;
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
117 std::vector<int> pids = get_all_pids();
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
118 for (int i : pids) {
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
119 map[i] = get_open_files(i);
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
120 }
4c6dd5999b39 *: update
Paper <mrpapersonic@gmail.com>
parents: 56
diff changeset
121 return map;
56
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
122 }
6ff7aabeb9d7 deps: add animia for open files detection
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
123
84
eab9e623eb84 dep/animia: update from upstream
Paper <mrpapersonic@gmail.com>
parents: 78
diff changeset
124 } // namespace Unix
eab9e623eb84 dep/animia: update from upstream
Paper <mrpapersonic@gmail.com>
parents: 78
diff changeset
125 } // namespace Animia