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 10 panic( const char* msg ) 11 { 12 fprintf(stderr, "PANIC: %s: %s\n", msg, strerror(errno)); 13 exit(1); 14 } 15 16 static int 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 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 53 int main( void ) 54 { 55 int ret, s; 56 struct sockaddr_in server; 57 char buffer[1024]; 58 const char* request = "host:track-devices"; 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
