1 /* a simple test program, connects to SDB server, and opens a track-devices session */
3 #include <sys/socket.h>
10 panic( const char* msg )
12 fprintf(stderr, "PANIC: %s: %s\n", msg, strerror(errno));
17 unix_write( int fd, const char* buf, int len )
21 int len2 = write(fd, buf, len);
23 if (errno == EINTR || errno == EAGAIN)
35 unix_read( int fd, char* buf, int len )
39 int len2 = read(fd, buf, len);
41 if (errno == EINTR || errno == EAGAIN)
56 struct sockaddr_in server;
58 const char* request = "host:track-devices";
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);
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" );
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" );
75 /* read the OKAY answer */
76 if (unix_read(s, buffer, 4) != 4)
77 panic( "could not read request" );
79 printf( "server answer: %.*s\n", 4, buffer );
83 char head[5] = "0000";
85 if (unix_read(s, head, 4) < 0)
86 panic("could not read length");
88 if ( sscanf( head, "%04x", &len ) != 1 )
89 panic("could not decode length");
91 if (unix_read(s, buffer, len) != len)
92 panic("could not read data");
94 printf( "received header %.*s (%d bytes):\n%.*s", 4, head, len, len, buffer );