droidVncServer/jni/vnc/screenMethods/adb.c
2012-06-11 20:03:54 +01:00

279 lines
7.0 KiB
C
Executable File

/*
droid vnc server - Android VNC server
Copyright (C) 2009 Jose Pereira <onaips@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//This method is a stub to grab the screen from the ADB daemon
//running on all Android devices
//
//STATE - NOT WORKING
//TODO execute adb in custom tcp port on method initialization
//we must kill previous adb process or it wont be able to bind to listener install
#include "adb.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include "common.h"
#define A_CNXN 0x4e584e43
#define A_OKAY 0x59414b4f
#define A_CLSE 0x45534c43
#define A_WRTE 0x45545257
#define DDMS_RAWIMAGE_VERSION 1
char connect_string[] = {
0x43, 0x4e, 0x58, 0x4e, 0x00, 0x00, 0x00, 0x01,
0x00, 0x10, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
0x32, 0x02, 0x00, 0x00, 0xbc, 0xb1, 0xa7, 0xb1,
0x68, 0x6f, 0x73, 0x74, 0x3a, 0x3a, 0x00 };
char framebuffer_string[] = {
0x4f, 0x50, 0x45, 0x4e, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00,
0xbf, 0x04, 0x00, 0x00, 0xb0, 0xaf, 0xba, 0xb1,
0x66, 0x72, 0x61, 0x6d, 0x65, 0x62, 0x75, 0x66,
0x66, 0x65, 0x72, 0x3a, 0x00 };
char okay_string[24];
struct fbinfo *fb_info;
struct _message *message,*okay_message;
int sockfd;
ssize_t write_socket(int fd, const void *buf, size_t count)
{
int n = write(fd,buf,count);
if (n < 0)
perror("ERROR writing to socket");
return n;
}
void read_socket(int fd, void *buf, size_t count)
{
int n=0;
while (count>0) {
n=read(fd,buf,count);
if (n < 0)
L("ERROR reading from socket\n");
count -= n;
}
}
void send_connect_string()
{
write_socket(sockfd,connect_string,sizeof(connect_string));
read_socket(sockfd,message,sizeof(struct _message));
if (message->command!=A_CNXN)
L("bad A_CNXN response\n");
//lets read, i don't want this
read_socket(sockfd,message,message->data_length);
}
void send_framebuffer_string();
int initADB()
{
L("--Initializing adb access method--\n");
pid_t pid;
int portno;
struct sockaddr_in serv_addr;
struct hostent *server;
adbbuf=NULL;
// property_set("service.adb.tcp.port", "5555");
switch (pid = fork()) {
case -1:
perror("adb::fork()");
exit(EXIT_FAILURE);
case 0: // in the child
system("killall adbd");
system("setprop service.adb.tcp.port -1");
system("/sbin/adbd");
return;
break;
}
sleep(1);
message = malloc(sizeof(struct _message));
okay_message = malloc(sizeof(struct _message));
portno = 5555;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
{
L("adb ERROR opening socket\n");
return -1;
}
#ifdef ANDROID
server = gethostbyname("127.0.0.1");
#else
server = gethostbyname("192.168.10.6");
#endif
if (server == NULL) {
L("adb ERROR, no such host\n");
return -1;
}
// L("2\n");
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr,
(char *)&serv_addr.sin_addr.s_addr,
server->h_length);
serv_addr.sin_port = htons(portno);
if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0)
{
L("adb ERROR connecting\n");
return -1;
}
// L("3\n");
send_connect_string();
// L("4\n");
return 0;
}
void send_framebuffer_string()//returns the fb struct size from adb
{
int n;
char *buffer=NULL;
write_socket(sockfd,framebuffer_string,sizeof(framebuffer_string));
read_socket(sockfd,okay_message,sizeof(struct _message));
if (okay_message->command!=A_OKAY)
{
L("---\ncommand=%32X\narg0=%32X\narg1=%32X\ndata_len=%d\n---\n",message->command,message->arg0,message->arg1,message->data_length);
L("bad OKAY response on send_framebuffer_string\n");
}
n=okay_message->arg0;
okay_message->arg0=okay_message->arg1;
okay_message->arg1=n;
// L("arg0=%08X\narg1=%08X\n",okay_message->arg0,okay_message->arg1);
//we now have our okay message
//lets receive fb info...
read_socket(sockfd,message,sizeof(struct _message));
if (message->command!=A_WRTE)
L("bad WRTE response\n");
// L("---\ncommand=%32X\narg0=%32X\narg1=%32X\ndata_len=%d\n---\n",message->command,message->arg0,message->arg1,message->data_length);
// if (message->data_length!=sizeof(struct _message))
// error("Size should match...");
buffer=(char*)malloc(sizeof(char)*message->data_length);
read_socket(sockfd,&displayInfo,sizeof(struct fbinfo));
// L("sizeof(struct fbinfo)=%d\n",sizeof(struct fbinfo));
// L("ADB framebuffer method:\nversion=%d\nbpp=%d\nsize=%d bytes\nwidth=%dpx\nheight=%dpx\nsize=%d\n",
// displayInfo.version,displayInfo.bpp,displayInfo.size,displayInfo.width,displayInfo.height,displayInfo.size);
// L("sizeof(struct _message)=%d\n",sizeof(struct _message));
write_socket(sockfd,okay_message,sizeof(struct _message));
if (adbbuf==NULL)
adbbuf=(unsigned int*)malloc(displayInfo.size);
}
void updateADBFrame()
{
int n=0;
int count=0;
send_framebuffer_string();
// L("1\n");
while (message->command!=A_CLSE)
{
read_socket(sockfd,message,sizeof(struct _message));
// L("---\ncommand=%32X\narg0=%32X\narg1=%32X\ndata_len=%d\n---\n",message->command,message->arg0,message->arg1,message->data_length);
if (message->command==A_CLSE)
break;
else if (message->command!=A_WRTE)
{
L("Weird command received... %08X\n",message->command);
L("---\ncommand=%32X\narg0=%32X\narg1=%32X\ndata_len=%d\n---\n",message->command,message->arg0,message->arg1,message->data_length);
}
char * s=(char*)adbbuf+count;
read_socket(sockfd,s,message->data_length);
count+=message->data_length;
// L("ahah %d %d\n",message->data_length,n);
n=write_socket(sockfd,okay_message,sizeof(struct _message));
if (n<0)
break;
}
// L("Exit updating...\n");
// L("Received %d bytes\n",count);
// if (resp!=A_OKAY)
// error("bad OKAY response");
}
// test start point
// int main(int argc, char *argv[])
// {
// message=(struct _message*)malloc(sizeof(struct _message));
// okay_message=(struct _message*)malloc(sizeof(struct _message));
//
// connect_to_adb();
//
// // adbbuf=calloc(fb_info->size,1);
//
// update_frame();
//
//
// close(sockfd);
// return 0;
// }