try to set the initial channel on device-attach if it hasn't been set so farv0.0.8f

1 files changed, 70 insertions, 0 deletions

diff --git a/status.c b/status.c
new file mode 100644
index 0000000..8c6998d
--- /dev/null
+++ b/status.c
@@ -0,0 +1,70 @@
+#include "status.h"
+
+cDynamiteStatus *cDynamiteStatus::status = NULL;
+
+#define SETINITIALCHANNELTIMEOUT 60 // 60 seconds
+
+cDynamiteStatus::cDynamiteStatus(int InitialChannel)
+{
+  init = time(NULL);
+  initialChannel = InitialChannel;
+  initialChannelSet = false;
+  switchCount = 0;
+  isyslog("dynamite: initial channel is %d", initialChannel);
+}
+
+void cDynamiteStatus::ChannelSwitch(const cDevice *Device, int ChannelNumber)
+{
+  if ((ChannelNumber == 0) || initialChannelSet || (initialChannel < 0) || (switchCount > 1))
+     return;
+  if ((cDevice::PrimaryDevice() != cDevice::ActualDevice()) && (cDevice::PrimaryDevice() == Device))
+     return;
+  if (ChannelNumber == initialChannel) {
+     initialChannelSet = true;
+     return;
+     }
+  if ((time(NULL) - init) > SETINITIALCHANNELTIMEOUT) {
+     isyslog("dynamite: no devices within %d seconds for receiving initial channel %d, giving up", SETINITIALCHANNELTIMEOUT, initialChannel);
+     initialChannelSet = true;
+     return;
+     }
+  isyslog("dynamite: device %d switches channel to %d", Device->DeviceNumber() + 1, ChannelNumber);
+  switchCount++;
+  if (switchCount > 1)
+     isyslog("dynamite: assuming manual channel switch, so give up trying to set initial channel on device attach");
+}
+
+void cDynamiteStatus::Init(void)
+{
+  if (status)
+     return;
+  if (*Setup.InitialChannel) {
+     cString cid = Setup.InitialChannel;
+     if (isnumber(cid)) { // for compatibility with old setup.conf files
+        if (cChannel *Channel = Channels.GetByNumber(atoi(cid)))
+           cid = Channel->GetChannelID().ToString();
+        }
+     if (cChannel *Channel = Channels.GetByChannelID(tChannelID::FromString(cid)))
+        status = new cDynamiteStatus(Channel->Number());
+     }
+}
+
+void cDynamiteStatus::DeInit(void)
+{
+  if (status == NULL)
+     return;
+  delete status;
+  status = NULL;
+}
+
+void cDynamiteStatus::SetInitialChannel(void)
+{
+  if (status == NULL)
+     return;
+  if (status->initialChannelSet) {
+     DeInit();
+     return;
+     }
+  if (!Channels.SwitchTo(status->initialChannel))
+     status->switchCount--;
+}