Add utility for basic AVDTP testing
diff --git a/test/avtest.c b/test/avtest.c
index 6ec6035..996aa16 100644
--- a/test/avtest.c
+++ b/test/avtest.c
@@ -25,7 +25,277 @@
#include <config.h>
#endif
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <sys/socket.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+#include <bluetooth/l2cap.h>
+
+#define AVDTP_PKT_TYPE_SINGLE 0x00
+
+#define AVDTP_MSG_TYPE_COMMAND 0x00
+#define AVDTP_MSG_TYPE_ACCEPT 0x02
+#define AVDTP_MSG_TYPE_REJECT 0x03
+
+#define AVDTP_DISCOVER 0x01
+#define AVDTP_GET_CAPABILITIES 0x02
+#define AVDTP_SET_CONFIGURATION 0x03
+#define AVDTP_GET_CONFIGURATION 0x04
+
+#define AVDTP_SEP_TYPE_SOURCE 0x00
+#define AVDTP_SEP_TYPE_SINK 0x01
+
+#define AVDTP_MEDIA_TYPE_AUDIO 0x00
+#define AVDTP_MEDIA_TYPE_VIDEO 0x01
+#define AVDTP_MEDIA_TYPE_MULTIMEDIA 0x02
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+struct avdtp_header {
+ uint8_t message_type:2;
+ uint8_t packet_type:2;
+ uint8_t transaction:4;
+ uint8_t signal_id:6;
+ uint8_t rfa0:2;
+} __attribute__ ((packed));
+
+struct seid_info {
+ uint8_t rfa0:1;
+ uint8_t inuse:1;
+ uint8_t seid:6;
+ uint8_t rfa2:3;
+ uint8_t type:1;
+ uint8_t media_type:4;
+} __attribute__ ((packed));
+
+#elif __BYTE_ORDER == __BIG_ENDIAN
+
+struct avdtp_header {
+ uint8_t transaction:4;
+ uint8_t packet_type:2;
+ uint8_t message_type:2;
+ uint8_t rfa0:2;
+ uint8_t signal_id:6;
+} __attribute__ ((packed));
+
+struct seid_info {
+ uint8_t seid:6;
+ uint8_t inuse:1;
+ uint8_t rfa0:1;
+ uint8_t media_type:4;
+ uint8_t type:1;
+ uint8_t rfa2:3;
+} __attribute__ ((packed));
+
+#else
+#error "Unknown byte order"
+#endif
+
+static void dump_header(struct avdtp_header *hdr)
+{
+ printf("TL %d PT %d MT %d SI %d\n", hdr->transaction,
+ hdr->packet_type, hdr->message_type, hdr->signal_id);
+}
+
+static void dump_buffer(const unsigned char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ printf("%02x ", buf[i]);
+ printf("\n");
+}
+
+static void process_sigchan(int sk, unsigned char reject)
+{
+ unsigned char buf[672];
+ ssize_t len;
+
+ while (1) {
+ struct avdtp_header *hdr = (void *) buf;
+
+ len = read(sk, buf, sizeof(buf));
+ if (len <= 0) {
+ perror("Read failed");
+ break;
+ }
+
+ dump_buffer(buf, len);
+ dump_header(hdr);
+
+ if (hdr->packet_type != AVDTP_PKT_TYPE_SINGLE) {
+ fprintf(stderr, "Only single packets are supported\n");
+ break;
+ }
+
+ if (hdr->message_type != AVDTP_MSG_TYPE_COMMAND) {
+ fprintf(stderr, "Ignoring non-command messages\n");
+ continue;
+ }
+
+ switch (hdr->signal_id) {
+ case AVDTP_DISCOVER:
+ if (reject == AVDTP_DISCOVER) {
+ hdr->message_type = AVDTP_MSG_TYPE_REJECT;
+ buf[2] = 0x29; /* Unsupported configuration */
+ printf("Rejecting discover command\n");
+ len = write(sk, buf, 3);
+ } else {
+ struct seid_info *sei = (void *) (buf + 2);
+ hdr->message_type = AVDTP_MSG_TYPE_ACCEPT;
+ buf[2] = 0x00;
+ buf[3] = 0x00;
+ sei->seid = 0x01;
+ sei->type = AVDTP_SEP_TYPE_SINK;
+ sei->media_type = AVDTP_MEDIA_TYPE_AUDIO;
+ printf("Accepting discover command\n");
+ len = write(sk, buf, 4);
+ }
+ break;
+
+ case AVDTP_GET_CAPABILITIES:
+ if (reject == AVDTP_GET_CAPABILITIES) {
+ hdr->message_type = AVDTP_MSG_TYPE_REJECT;
+ buf[2] = 0x29; /* Unsupported configuration */
+ printf("Rejecting get capabilties command\n");
+ len = write(sk, buf, 3);
+ } else {
+ hdr->message_type = AVDTP_MSG_TYPE_ACCEPT;
+ buf[2] = 0x01; /* Media transport category */
+ buf[3] = 0x00;
+ buf[4] = 0x07; /* Media codec category */
+ buf[5] = 0x06;
+ buf[6] = 0x00; /* Media type audio */
+ buf[7] = 0x00; /* Codec SBC */
+ buf[8] = 0x22; /* 44.1 kHz, stereo */
+ buf[9] = 0x15; /* 16 blocks, 8 subbands */
+ buf[10] = 0x02;
+ buf[11] = 0x33;
+ printf("Accepting get capabilities command\n");
+ len = write(sk, buf, 12);
+ }
+ break;
+
+ default:
+ buf[1] = 0x00;
+ printf("Unknown command\n");
+ len = write(sk, buf, 2);
+ break;
+ }
+ }
+}
+
+static void do_listen(const bdaddr_t *src, unsigned char reject)
+{
+ struct sockaddr_l2 addr;
+ socklen_t optlen;
+ int sk, nsk;
+
+ sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
+ if (sk < 0) {
+ perror("Can't create socket");
+ return;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.l2_family = AF_BLUETOOTH;
+ bacpy(&addr.l2_bdaddr, src);
+ addr.l2_psm = htobs(25);
+
+ if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ perror("Can't bind socket");
+ goto error;
+ }
+
+ if (listen(sk, 10)) {
+ perror("Can't listen on the socket");
+ goto error;
+ }
+
+ while (1) {
+ memset(&addr, 0, sizeof(addr));
+ optlen = sizeof(addr);
+
+ nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
+ if (nsk < 0) {
+ perror("Accept failed");
+ continue;
+ }
+
+ process_sigchan(nsk, reject);
+
+ close(nsk);
+ }
+
+error:
+ close(sk);
+}
+
+static void usage()
+{
+ printf("avtest - Audio/Video testing ver %s\n", VERSION);
+ printf("Usage:\n"
+ "\tavtest [options]\n");
+ printf("Options:\n"
+ "\t--reject <command>\tReject command\n");
+}
+
+static struct option main_options[] = {
+ { "help", 0, 0, 'h' },
+ { "device", 1, 0, 'i' },
+ { "reject", 1, 0, 'r' },
+ { 0, 0, 0, 0 }
+};
+
int main(int argc, char *argv[])
{
+ unsigned char reject = 0x00;
+ bdaddr_t src, dst;
+ int opt;
+
+ bacpy(&src, BDADDR_ANY);
+ bacpy(&dst, BDADDR_ANY);
+
+ while ((opt = getopt_long(argc, argv, "+i:r:h",
+ main_options, NULL)) != EOF) {
+ switch (opt) {
+ case 'i':
+ if (!strncmp(optarg, "hci", 3))
+ hci_devba(atoi(optarg + 3), &src);
+ else
+ str2ba(optarg, &src);
+ break;
+
+ case 'r':
+ if (!strncmp(optarg, "discov", 6))
+ reject = AVDTP_DISCOVER;
+ else if (!strncmp(optarg, "capa", 4))
+ reject = AVDTP_GET_CAPABILITIES;
+ else if (!strncmp(optarg, "getcapa", 7))
+ reject = AVDTP_GET_CAPABILITIES;
+ else if (!strncmp(optarg, "setconf", 7))
+ reject = AVDTP_SET_CONFIGURATION;
+ else if (!strncmp(optarg, "getconf", 7))
+ reject = AVDTP_GET_CONFIGURATION;
+ else
+ reject = atoi(optarg);
+ break;
+
+ case 'h':
+ default:
+ usage();
+ exit(0);
+ }
+ }
+
+ do_listen(&src, reject);
+
return 0;
}
