From: Andrei Emeltchenko <[email protected]>
Add new virtual Bluetooth serial controller on /dev/pts/X which allows
to test serial attach with btattach and hciattach.
---
tools/btproxy.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 65 insertions(+), 3 deletions(-)
diff --git a/tools/btproxy.c b/tools/btproxy.c
index 43de037..6d78876 100644
--- a/tools/btproxy.c
+++ b/tools/btproxy.c
@@ -629,6 +629,41 @@ static int open_unix(const char *path)
return fd;
}
+static int open_pty(void)
+{
+ int fd;
+ char *pts;
+
+ fd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
+ if (fd < 0) {
+ perror("Failed to open pseudoterminal master");
+ return -1;
+ }
+
+ if (grantpt(fd) < 0) {
+ perror("Failed to grant access to slave pty");
+ close(fd);
+ return -1;
+ }
+
+ if (unlockpt(fd) < 0) {
+ perror("Failed to unlock slave pty");
+ close(fd);
+ return -1;
+ }
+
+ pts = ptsname(fd);
+ if (!pts) {
+ perror("Failed to get slave pty");
+ close(fd);
+ return -1;
+ }
+
+ printf("New pts created: %s\n", pts);
+
+ return fd;
+}
+
static int open_tcp(const char *address, unsigned int port)
{
struct sockaddr_in addr;
@@ -728,6 +763,7 @@ static void usage(void)
"\t-c, --connect <address> Connect to server\n"
"\t-l, --listen [address] Use TCP server\n"
"\t-u, --unix [path] Use Unix server\n"
+ "\t-P, --pty Use PTY\n"
"\t-p, --port <port> Use specified TCP port\n"
"\t-i, --index <num> Use specified controller\n"
"\t-a, --amp Create AMP controller\n"
@@ -741,6 +777,7 @@ static const struct option main_options[] = {
{ "connect", required_argument, NULL, 'c' },
{ "listen", optional_argument, NULL, 'l' },
{ "unix", optional_argument, NULL, 'u' },
+ { "pty", no_argument, NULL, 'P' },
{ "port", required_argument, NULL, 'p' },
{ "index", required_argument, NULL, 'i' },
{ "amp", no_argument, NULL, 'a' },
@@ -758,6 +795,7 @@ int main(int argc, char *argv[])
const char *unix_path = NULL;
unsigned short tcp_port = 0xb1ee; /* 45550 */
bool use_redirect = false;
+ bool use_pty = false;
uint8_t type = HCI_BREDR;
const char *str;
sigset_t mask;
@@ -765,7 +803,7 @@ int main(int argc, char *argv[])
for (;;) {
int opt;
- opt = getopt_long(argc, argv, "rc:l::u::p:i:aedvh",
+ opt = getopt_long(argc, argv, "rc:l::u::Pp:i:aedvh",
main_options, NULL);
if (opt < 0)
break;
@@ -789,6 +827,9 @@ int main(int argc, char *argv[])
else
unix_path = "/tmp/bt-server-bredr";
break;
+ case 'P':
+ use_pty = true;
+ break;
case 'p':
tcp_port = atoi(optarg);
break;
@@ -828,12 +869,13 @@ int main(int argc, char *argv[])
return EXIT_FAILURE;
}
- if (unix_path && (server_address || use_redirect)) {
+ if (unix_path && (server_address || use_redirect || use_pty)) {
fprintf(stderr, "Invalid to specify TCP and Unix servers\n");
return EXIT_FAILURE;
}
- if (connect_address && (unix_path || server_address || use_redirect)) {
+ if (connect_address && (unix_path || server_address || use_redirect ||
+ use_pty)) {
fprintf(stderr, "Invalid to specify client and server mode\n");
return EXIT_FAILURE;
}
@@ -876,6 +918,26 @@ int main(int argc, char *argv[])
close(host_fd);
return EXIT_FAILURE;
}
+ } else if (use_pty) {
+ int master_fd, dev_fd;
+
+ printf("Opening pseudoterminal\n");
+
+ master_fd = open_pty();
+ if (master_fd < 0)
+ return EXIT_FAILURE;
+
+ dev_fd = open_channel(hci_index);
+ if (dev_fd < 0) {
+ close(master_fd);
+ return EXIT_FAILURE;
+ }
+
+ if (!setup_proxy(master_fd, false, dev_fd, true)) {
+ close(dev_fd);
+ close(master_fd);
+ return EXIT_FAILURE;
+ }
} else {
int server_fd;
--
2.5.0