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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <string>
#include <thread>
#include "adb.h"
#include "fdevent.h"
#include "fuse_adb_provider.h"
#include "sysdeps.h"
typedef struct stinfo stinfo;
struct stinfo {
void (*func)(int fd, void *cookie);
int fd;
void *cookie;
};
void service_bootstrap_func(void* x) {
stinfo* sti = reinterpret_cast<stinfo*>(x);
sti->func(sti->fd, sti->cookie);
free(sti);
}
#if PLATFORM_SDK_VERSION < 26
static void sideload_host_service(int sfd, void* data) {
char* args = reinterpret_cast<char*>(data);
#else
static void sideload_host_service(int sfd, const std::string& args) {
#endif
int file_size;
int block_size;
#if PLATFORM_SDK_VERSION < 26
if (sscanf(args, "%d:%d", &file_size, &block_size) != 2) {
printf("bad sideload-host arguments: %s\n", args);
#else
if (sscanf(args.c_str(), "%d:%d", &file_size, &block_size) != 2) {
printf("bad sideload-host arguments: %s\n", args.c_str());
#endif
exit(1);
}
#if PLATFORM_SDK_VERSION < 26
free(args);
#endif
printf("sideload-host file size %d block size %d\n", file_size, block_size);
int result = run_adb_fuse(sfd, file_size, block_size);
printf("sideload_host finished\n");
exit(result == 0 ? 0 : 1);
}
#if PLATFORM_SDK_VERSION < 26
static int create_service_thread(void (*func)(int, void *), void *cookie) {
int s[2];
if (adb_socketpair(s)) {
printf("cannot create service socket pair\n");
return -1;
}
stinfo* sti = static_cast<stinfo*>(malloc(sizeof(stinfo)));
if(sti == 0) fatal("cannot allocate stinfo");
sti->func = func;
sti->cookie = cookie;
sti->fd = s[1];
#if PLATFORM_SDK_VERSION == 23
adb_thread_t t;
if (adb_thread_create( &t, (adb_thread_func_t)service_bootstrap_func, sti)){
#else
if (!adb_thread_create(service_bootstrap_func, sti)) {
#endif
free(sti);
adb_close(s[0]);
adb_close(s[1]);
printf("cannot create service thread\n");
return -1;
}
//VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
return s[0];
}
#else
static int create_service_thread(void (*func)(int, const std::string&), const std::string& args) {
int s[2];
if (adb_socketpair(s)) {
printf("cannot create service socket pair\n");
return -1;
}
std::thread([s, func, args]() { func(s[1], args); }).detach();
//VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
return s[0];
}
#endif
int service_to_fd(const char* name, const atransport* transport) {
int ret = -1;
if (!strncmp(name, "sideload:", 9)) {
// this exit status causes recovery to print a special error
// message saying to use a newer adb (that supports
// sideload-host).
exit(3);
} else if (!strncmp(name, "sideload-host:", 14)) {
#if PLATFORM_SDK_VERSION < 26
char* arg = strdup(name + 14);
#else
std::string arg(name + 14);
#endif
ret = create_service_thread(sideload_host_service, arg);
}
if (ret >= 0) {
close_on_exec(ret);
}
return ret;
}
#if PLATFORM_SDK_VERSION == 23
int service_to_fd(const char* name) {
atransport transport;
return service_to_fd(name, &transport);
}
#endif
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