From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Handle events from Android framework. Write everything to real RFCOMM
socket. Consider splice() in the future.
---
android/socket.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/android/socket.c b/android/socket.c
index c9ee32f..027b519 100644
--- a/android/socket.c
+++ b/android/socket.c
@@ -115,9 +115,70 @@ static int get_rfcomm_default_chan(const uint8_t *uuid)
return -1;
}
+static int try_write_all(int fd, unsigned char *buf, int len)
+{
+ int sent = 0;
+
+ while (len > 0) {
+ int written;
+
+ written = write(fd, buf, len);
+ if (written < 0) {
+ if (errno == EINTR || errno == EAGAIN)
+ continue;
+ return -1;
+ }
+
+ if (!written)
+ return 0;
+
+ len -= written; buf += written; sent += written;
+ }
+
+ return sent;
+}
+
static gboolean sock_stack_event_cb(GIOChannel *io, GIOCondition cond,
gpointer data)
{
+ struct rfcomm_slot *rfslot = data;
+ unsigned char buf[1024];
+ int len, sent;
+
+ DBG("rfslot: fd %d real_sock %d chan %u sock %d",
+ rfslot->fd, rfslot->real_sock, rfslot->channel,
+ g_io_channel_unix_get_fd(io));
+
+ if (!g_list_find(rfcomm_connected_list, rfslot)) {
+ error("rfslot %p not found in the list", rfslot);
+ return FALSE;
+ }
+
+ if (cond & (G_IO_ERR | G_IO_HUP | G_IO_NVAL)) {
+ error("Socket error: sock %d cond %d",
+ g_io_channel_unix_get_fd(io), cond);
+ rfcomm_connected_list = g_list_remove(rfcomm_connected_list,
+ rfslot);
+ cleanup_rfslot(rfslot);
+ return FALSE;
+ }
+
+ len = read(rfslot->fd, buf, sizeof(buf));
+ if (len <= 0) {
+ error("read(): %s", strerror(errno));
+ return FALSE;
+ }
+
+ DBG("read %d bytes write to %d", len, rfslot->real_sock);
+
+ sent = try_write_all(rfslot->real_sock, buf, len);
+ if (sent < 0) {
+ error("write(): %s", strerror(errno));
+ return FALSE;
+ }
+
+ DBG("Written %d bytes", sent);
+
return TRUE;
}
--
1.7.10.4
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