1 /* a simple test program, connects to ADB server, and opens a track-devices session */
2 #include <netdb.h>
3 #include <sys/socket.h>
4 #include <stdio.h>
5 #include <stdlib.h>
6 #include <errno.h>
7 #include <memory.h>
8
9 static void
panic(const char * msg)10 panic( const char* msg )
11 {
12 fprintf(stderr, "PANIC: %s: %s\n", msg, strerror(errno));
13 exit(1);
14 }
15
16 static int
unix_write(int fd,const char * buf,int len)17 unix_write( int fd, const char* buf, int len )
18 {
19 int result = 0;
20 while (len > 0) {
21 int len2 = write(fd, buf, len);
22 if (len2 < 0) {
23 if (errno == EINTR || errno == EAGAIN)
24 continue;
25 return -1;
26 }
27 result += len2;
28 len -= len2;
29 buf += len2;
30 }
31 return result;
32 }
33
34 static int
unix_read(int fd,char * buf,int len)35 unix_read( int fd, char* buf, int len )
36 {
37 int result = 0;
38 while (len > 0) {
39 int len2 = read(fd, buf, len);
40 if (len2 < 0) {
41 if (errno == EINTR || errno == EAGAIN)
42 continue;
43 return -1;
44 }
45 result += len2;
46 len -= len2;
47 buf += len2;
48 }
49 return result;
50 }
51
52
main(void)53 int main( void )
54 {
55 int ret, s;
56 struct sockaddr_in server;
57 char buffer[1024];
58 const char* request = "track-jdwp";
59 int len;
60
61 memset( &server, 0, sizeof(server) );
62 server.sin_family = AF_INET;
63 server.sin_port = htons(5037);
64 server.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
65
66 s = socket( PF_INET, SOCK_STREAM, 0 );
67 ret = connect( s, (struct sockaddr*) &server, sizeof(server) );
68 if (ret < 0) panic( "could not connect to server" );
69
70 /* send the request */
71 len = snprintf( buffer, sizeof buffer, "%04x%s", strlen(request), request );
72 if (unix_write(s, buffer, len) < 0)
73 panic( "could not send request" );
74
75 /* read the OKAY answer */
76 if (unix_read(s, buffer, 4) != 4)
77 panic( "could not read request" );
78
79 printf( "server answer: %.*s\n", 4, buffer );
80
81 /* now loop */
82 for (;;) {
83 char head[5] = "0000";
84
85 if (unix_read(s, head, 4) < 0)
86 panic("could not read length");
87
88 if ( sscanf( head, "%04x", &len ) != 1 )
89 panic("could not decode length");
90
91 if (unix_read(s, buffer, len) != len)
92 panic("could not read data");
93
94 printf( "received header %.*s (%d bytes):\n%.*s", 4, head, len, len, buffer );
95 }
96 close(s);
97 }
98