forked from weidongshan/APP_0003_Binder_C_App
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test_client.c
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test_client.c
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/* Copyright 2008 The Android Open Source Project
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <linux/types.h>
#include<stdbool.h>
#include <string.h>
#include <private/android_filesystem_config.h>
#include "binder.h"
#include "test_server.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;
}
struct binder_state *g_bs;
uint32_t g_hello_handle;
uint32_t g_goodbye_handle;
void sayhello(void)
{
unsigned iodata[512/4];
struct binder_io msg, reply;
/* 构造binder_io */
bio_init(&msg, iodata, sizeof(iodata), 4);
bio_put_uint32(&msg, 0); // strict mode header
bio_put_string16_x(&msg, "IHelloService");
/* 放入参数 */
/* 调用binder_call */
if (binder_call(g_bs, &msg, &reply, g_hello_handle, HELLO_SVR_CMD_SAYHELLO))
return ;
/* 从reply中解析出返回值 */
binder_done(g_bs, &msg, &reply);
}
int sayhello_to(char *name)
{
unsigned iodata[512/4];
struct binder_io msg, reply;
int ret;
int exception;
/* 构造binder_io */
bio_init(&msg, iodata, sizeof(iodata), 4);
bio_put_uint32(&msg, 0); // strict mode header
bio_put_string16_x(&msg, "IHelloService");
/* 放入参数 */
bio_put_string16_x(&msg, name);
/* 调用binder_call */
if (binder_call(g_bs, &msg, &reply, g_hello_handle, HELLO_SVR_CMD_SAYHELLO_TO))
return 0;
/* 从reply中解析出返回值 */
exception = bio_get_uint32(&reply);
if (exception)
ret = -1;
else
ret = bio_get_uint32(&reply);
binder_done(g_bs, &msg, &reply);
return ret;
}
void saygoodbye(void)
{
unsigned iodata[512/4];
struct binder_io msg, reply;
/* 构造binder_io */
bio_init(&msg, iodata, sizeof(iodata), 4);
bio_put_uint32(&msg, 0); // strict mode header
bio_put_string16_x(&msg, "IGoodbyeService");
/* 放入参数 */
/* 调用binder_call */
if (binder_call(g_bs, &msg, &reply, g_goodbye_handle, GOODBYE_SVR_CMD_SAYGOODBYE))
return ;
/* 从reply中解析出返回值 */
binder_done(g_bs, &msg, &reply);
}
int saygoodbye_to(char *name)
{
unsigned iodata[512/4];
struct binder_io msg, reply;
int ret;
int exception;
/* 构造binder_io */
bio_init(&msg, iodata, sizeof(iodata), 4);
bio_put_uint32(&msg, 0); // strict mode header
bio_put_string16_x(&msg, "IGoodbyeService");
/* 放入参数 */
bio_put_string16_x(&msg, name);
/* 调用binder_call */
if (binder_call(g_bs, &msg, &reply, g_goodbye_handle, GOODBYE_SVR_CMD_SAYGOODBYE_TO))
return 0;
/* 从reply中解析出返回值 */
exception = bio_get_uint32(&reply);
if (exception)
ret = -1;
else
ret = bio_get_uint32(&reply);
binder_done(g_bs, &msg, &reply);
return ret;
}
/* ./test_client hello
* ./test_client hello <name>
*/
int main(int argc, char **argv)
{
int fd;
struct binder_state *bs;
uint32_t svcmgr = BINDER_SERVICE_MANAGER;
uint32_t handle;
int ret;
if (argc < 2){
fprintf(stderr, "Usage:\n");
fprintf(stderr, "%s <hello|goodbye>\n", argv[0]);
fprintf(stderr, "%s <hello|goodbye> <name>\n", argv[0]);
return -1;
}
bs = binder_open(128*1024);
if (!bs) {
fprintf(stderr, "failed to open binder driver\n");
return -1;
}
g_bs = bs;
/* get service */
handle = svcmgr_lookup(bs, svcmgr, "goodbye");
if (!handle) {
fprintf(stderr, "failed to get goodbye service\n");
return -1;
}
g_goodbye_handle = handle;
fprintf(stderr, "Handle for goodbye service = %d\n", g_goodbye_handle);
handle = svcmgr_lookup(bs, svcmgr, "hello");
if (!handle) {
fprintf(stderr, "failed to get hello service\n");
return -1;
}
g_hello_handle = handle;
fprintf(stderr, "Handle for hello service = %d\n", g_hello_handle);
/* send data to server */
if (!strcmp(argv[1], "hello"))
{
if (argc == 2) {
sayhello();
} else if (argc == 3) {
ret = sayhello_to(argv[2]);
fprintf(stderr, "get ret of sayhello_to = %d\n", ret);
}
} else if (!strcmp(argv[1], "goodbye"))
{
if (argc == 2) {
saygoodbye();
} else if (argc == 3) {
ret = saygoodbye_to(argv[2]);
fprintf(stderr, "get ret of sayhello_to = %d\n", ret);
}
}
binder_release(bs, handle);
return 0;
}