1 /* Copyright 2008 The Android Open Source Project
2 */
3
4 #include <stdio.h>
5 #include <stdlib.h>
6 #include <errno.h>
7
8 #include "binder.h"
9
svcmgr_lookup(struct binder_state * bs,void * target,const char * name)10 void *svcmgr_lookup(struct binder_state *bs, void *target, const char *name)
11 {
12 void *ptr;
13 unsigned iodata[512/4];
14 struct binder_io msg, reply;
15
16 bio_init(&msg, iodata, sizeof(iodata), 4);
17 bio_put_string16_x(&msg, SVC_MGR_NAME);
18 bio_put_string16_x(&msg, name);
19
20 if (binder_call(bs, &msg, &reply, target, SVC_MGR_CHECK_SERVICE))
21 return 0;
22
23 ptr = bio_get_ref(&reply);
24
25 if (ptr)
26 binder_acquire(bs, ptr);
27
28 binder_done(bs, &msg, &reply);
29
30 return ptr;
31 }
32
svcmgr_publish(struct binder_state * bs,void * target,const char * name,void * ptr)33 int svcmgr_publish(struct binder_state *bs, void *target, const char *name, void *ptr)
34 {
35 unsigned status;
36 unsigned iodata[512/4];
37 struct binder_io msg, reply;
38
39 bio_init(&msg, iodata, sizeof(iodata), 4);
40
41 bio_put_string16_x(&msg, SVC_MGR_NAME);
42 bio_put_string16_x(&msg, name);
43 bio_put_obj(&msg, ptr);
44
45 if (binder_call(bs, &msg, &reply, target, SVC_MGR_ADD_SERVICE))
46 return -1;
47
48 status = bio_get_uint32(&reply);
49
50 binder_done(bs, &msg, &reply);
51
52 return status;
53 }
54
55 unsigned token;
56
main(int argc,char ** argv)57 int main(int argc, char **argv)
58 {
59 int fd;
60 struct binder_state *bs;
61 void *svcmgr = BINDER_SERVICE_MANAGER;
62
63 bs = binder_open(128*1024);
64
65 argc--;
66 argv++;
67 while (argc > 0) {
68 if (!strcmp(argv[0],"alt")) {
69 void *ptr = svcmgr_lookup(bs, svcmgr, "alt_svc_mgr");
70 if (!ptr) {
71 fprintf(stderr,"cannot find alt_svc_mgr\n");
72 return -1;
73 }
74 svcmgr = ptr;
75 fprintf(stderr,"svcmgr is via %p\n", ptr);
76 } else if (!strcmp(argv[0],"lookup")) {
77 void *ptr;
78 if (argc < 2) {
79 fprintf(stderr,"argument required\n");
80 return -1;
81 }
82 ptr = svcmgr_lookup(bs, svcmgr, argv[1]);
83 fprintf(stderr,"lookup(%s) = %p\n", argv[1], ptr);
84 argc--;
85 argv++;
86 } else if (!strcmp(argv[0],"publish")) {
87 if (argc < 2) {
88 fprintf(stderr,"argument required\n");
89 return -1;
90 }
91 svcmgr_publish(bs, svcmgr, argv[1], &token);
92 argc--;
93 argv++;
94 } else {
95 fprintf(stderr,"unknown command %s\n", argv[0]);
96 return -1;
97 }
98 argc--;
99 argv++;
100 }
101 return 0;
102 }
103