replicant-frameworks_native/cmds/servicemanager/bctest.c

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/* Copyright 2008 The Android Open Source Project
*/
#include <stdio.h>
#include <stdlib.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)
{
int fd;
struct binder_state *bs;
uint32_t svcmgr = BINDER_SERVICE_MANAGER;
uint32_t handle;
bs = binder_open(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;
}