#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <zipfile/zipfile.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sysdeps.h"
#define TRACE_TAG TRACE_ADB
#include "adb_client.h"
static transport_type __adb_transport = kTransportAny;
static const char* __adb_serial = NULL;
void adb_set_transport(transport_type type, const char* serial)
{
__adb_transport = type;
__adb_serial = serial;
}
int adb_get_emulator_console_port(void)
{
const char* serial = __adb_serial;
int port;
if (serial == NULL) {
/* if no specific device was specified, we need to look at */
/* the list of connected devices, and extract an emulator */
/* name from it. two emulators is an error */
char* tmp = adb_query("host:devices");
char* p = tmp;
if(!tmp) {
printf("no emulator connected\n");
return -1;
}
while (*p) {
char* q = strchr(p, '\n');
if (q != NULL)
*q++ = 0;
else
q = p + strlen(p);
if (!memcmp(p, LOCAL_CLIENT_PREFIX, sizeof(LOCAL_CLIENT_PREFIX)-1)) {
if (serial != NULL) { /* more than one emulator listed */
free(tmp);
return -2;
}
serial = p;
}
p = q;
}
free(tmp);
if (serial == NULL)
return -1; /* no emulator found */
}
else {
if (memcmp(serial, LOCAL_CLIENT_PREFIX, sizeof(LOCAL_CLIENT_PREFIX)-1) != 0)
return -1; /* not an emulator */
}
serial += sizeof(LOCAL_CLIENT_PREFIX)-1;
port = strtol(serial, NULL, 10);
return port;
}
static char __adb_error[256] = { 0 };
const char *adb_error(void)
{
return __adb_error;
}
static int switch_socket_transport(int fd)
{
char service[64];
char tmp[5];
int len;
if (__adb_serial)
snprintf(service, sizeof service, "host:transport:%s", __adb_serial);
else {
char* transport_type = "???";
switch (__adb_transport) {
case kTransportUsb:
transport_type = "transport-usb";
break;
case kTransportLocal:
transport_type = "transport-local";
break;
case kTransportAny:
transport_type = "transport-any";
break;
case kTransportHost:
// no switch necessary
return 0;
break;
}
snprintf(service, sizeof service, "host:%s", transport_type);
}
len = strlen(service);
snprintf(tmp, sizeof tmp, "%04x", len);
if(writex(fd, tmp, 4) || writex(fd, service, len)) {
strcpy(__adb_error, "write failure during connection");
adb_close(fd);
return -1;
}
D("Switch transport in progress\n");
if(adb_status(fd)) {
adb_close(fd);
D("Switch transport failed\n");
return -1;
}
D("Switch transport success\n");
return 0;
}
int adb_status(int fd)
{
unsigned char buf[5];
unsigned len;
if(readx(fd, buf, 4)) {
strcpy(__adb_error, "protocol fault (no status)");
return -1;
}
if(!memcmp(buf, "OKAY", 4)) {
return 0;
}
if(memcmp(buf, "FAIL", 4)) {
sprintf(__adb_error,
"protocol fault (status %02x %02x %02x %02x?!)",
buf[0], buf[1], buf[2], buf[3]);
return -1;
}
if(readx(fd, buf, 4)) {
strcpy(__adb_error, "protocol fault (status len)");
return -1;
}
buf[4] = 0;
len = strtoul((char*)buf, 0, 16);
if(len > 255) len = 255;
if(readx(fd, __adb_error, len)) {
strcpy(__adb_error, "protocol fault (status read)");
return -1;
}
__adb_error[len] = 0;
return -1;
}
int _adb_connect(const char *service)
{
char tmp[5];
int len;
int fd;
D("_adb_connect: %s\n", service);
len = strlen(service);
if((len < 1) || (len > 1024)) {
strcpy(__adb_error, "service name too long");
return -1;
}
snprintf(tmp, sizeof tmp, "%04x", len);
fd = socket_loopback_client(ADB_PORT, SOCK_STREAM);
if(fd < 0) {
strcpy(__adb_error, "cannot connect to daemon");
return -2;
}
if (memcmp(service,"host",4) != 0 && switch_socket_transport(fd)) {
return -1;
}
if(writex(fd, tmp, 4) || writex(fd, service, len)) {
strcpy(__adb_error, "write failure during connection");
adb_close(fd);
return -1;
}
if(adb_status(fd)) {
adb_close(fd);
return -1;
}
return fd;
}
int adb_connect(const char *service)
{
// first query the adb server's version
int fd = _adb_connect("host:version");
if(fd == -2) {
fprintf(stdout,"* daemon not running. starting it now *\n");
start_server:
if(launch_server(0)) {
fprintf(stderr,"* failed to start daemon *\n");
return -1;
} else {
fprintf(stdout,"* daemon started successfully *\n");
}
/* give the server some time to start properly and detect devices */
adb_sleep_ms(3000);
// fall through to _adb_connect
} else {
// if server was running, check its version to make sure it is not out of date
char buf[100];
int n;
int version = ADB_SERVER_VERSION - 1;
// if we have a file descriptor, then parse version result
if(fd >= 0) {
if(readx(fd, buf, 4)) goto error;
buf[4] = 0;
n = strtoul(buf, 0, 16);
if(n > (int)sizeof(buf)) goto error;
if(readx(fd, buf, n)) goto error;
adb_close(fd);
if (sscanf(buf, "%04x", &version) != 1) goto error;
} else {
// if fd is -1, then check for "unknown host service",
// which would indicate a version of adb that does not support the version command
if (strcmp(__adb_error, "unknown host service") != 0)
return fd;
}
if(version != ADB_SERVER_VERSION) {
printf("adb server is out of date. killing...\n");
fd = _adb_connect("host:kill");
adb_close(fd);
/* XXX can we better detect its death? */
adb_sleep_ms(2000);
goto start_server;
}
}
// if the command is start-server, we are done.
if (!strcmp(service, "host:start-server"))
return 0;
fd = _adb_connect(service);
if(fd == -2) {
fprintf(stderr,"** daemon still not running");
}
return fd;
error:
adb_close(fd);
return -1;
}
int adb_command(const char *service)
{
int fd = adb_connect(service);
if(fd < 0) {
return -1;
}
if(adb_status(fd)) {
adb_close(fd);
return -1;
}
return 0;
}
char *adb_query(const char *service)
{
char buf[5];
unsigned n;
char *tmp;
D("adb_query: %s\n", service);
int fd = adb_connect(service);
if(fd < 0) {
fprintf(stderr,"error: %s\n", __adb_error);
return 0;
}
if(readx(fd, buf, 4)) goto oops;
buf[4] = 0;
n = strtoul(buf, 0, 16);
if(n > 1024) goto oops;
tmp = malloc(n + 1);
if(tmp == 0) goto oops;
if(readx(fd, tmp, n) == 0) {
tmp[n] = 0;
adb_close(fd);
return tmp;
}
free(tmp);
oops:
adb_close(fd);
return 0;
}