| /* Copyright 2008 The Android Open Source Project |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| #include "binder.h" |
| |
| uint32_t svcmgr_lookup(struct binder_state *bs, uint32_t target, const char *name) |
| { |
| uint32_t handle; |
| unsigned iodata[512/4]; |
| struct binder_io msg, reply; |
| |
| bio_init(&msg, iodata, sizeof(iodata), 4); |
| bio_put_uint32(&msg, 0); // strict mode header |
| bio_put_string16_x(&msg, SVC_MGR_NAME); |
| bio_put_string16_x(&msg, name); |
| |
| if (binder_call(bs, &msg, &reply, target, SVC_MGR_CHECK_SERVICE)) |
| return 0; |
| |
| handle = bio_get_ref(&reply); |
| |
| if (handle) |
| binder_acquire(bs, handle); |
| |
| binder_done(bs, &msg, &reply); |
| |
| return handle; |
| } |
| |
| int svcmgr_publish(struct binder_state *bs, uint32_t target, const char *name, void *ptr) |
| { |
| int status; |
| unsigned iodata[512/4]; |
| struct binder_io msg, reply; |
| |
| bio_init(&msg, iodata, sizeof(iodata), 4); |
| bio_put_uint32(&msg, 0); // strict mode header |
| bio_put_string16_x(&msg, SVC_MGR_NAME); |
| bio_put_string16_x(&msg, name); |
| bio_put_obj(&msg, ptr); |
| |
| if (binder_call(bs, &msg, &reply, target, SVC_MGR_ADD_SERVICE)) |
| return -1; |
| |
| status = bio_get_uint32(&reply); |
| |
| binder_done(bs, &msg, &reply); |
| |
| return status; |
| } |
| |
| unsigned token; |
| |
| int main(int argc, char **argv) |
| { |
| struct binder_state *bs; |
| uint32_t svcmgr = BINDER_SERVICE_MANAGER; |
| uint32_t handle; |
| |
| bs = binder_open("/dev/binder", 128*1024); |
| if (!bs) { |
| fprintf(stderr, "failed to open binder driver\n"); |
| return -1; |
| } |
| |
| argc--; |
| argv++; |
| while (argc > 0) { |
| if (!strcmp(argv[0],"alt")) { |
| handle = svcmgr_lookup(bs, svcmgr, "alt_svc_mgr"); |
| if (!handle) { |
| fprintf(stderr,"cannot find alt_svc_mgr\n"); |
| return -1; |
| } |
| svcmgr = handle; |
| fprintf(stderr,"svcmgr is via %x\n", handle); |
| } else if (!strcmp(argv[0],"lookup")) { |
| if (argc < 2) { |
| fprintf(stderr,"argument required\n"); |
| return -1; |
| } |
| handle = svcmgr_lookup(bs, svcmgr, argv[1]); |
| fprintf(stderr,"lookup(%s) = %x\n", argv[1], handle); |
| argc--; |
| argv++; |
| } else if (!strcmp(argv[0],"publish")) { |
| if (argc < 2) { |
| fprintf(stderr,"argument required\n"); |
| return -1; |
| } |
| svcmgr_publish(bs, svcmgr, argv[1], &token); |
| argc--; |
| argv++; |
| } else { |
| fprintf(stderr,"unknown command %s\n", argv[0]); |
| return -1; |
| } |
| argc--; |
| argv++; |
| } |
| return 0; |
| } |