void DNSServiceBrowse_Phidget_CallBack(
AvahiServiceBrowser *b,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiBrowserEvent event,
const char *name,
const char *type,
const char *domain,
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
void* userdata)
{
CPhidgetHandle phid;
CPhidgetManagerList *trav;
int ret;
switch (event) {
case AVAHI_BROWSER_FAILURE:
LOG(PHIDGET_LOG_WARNING, "(Browser) %s", avahi_strerror_ptr(avahi_client_errno_ptr(client)));
avahi_threaded_poll_quit_ptr(threaded_poll);
return;
case AVAHI_BROWSER_NEW:
{
char fullname[AVAHI_DOMAIN_NAME_MAX];
if((CPhidget_create(&phid))) return;
if((CPhidgetRemote_create(&phid->networkInfo))) return;
phid->networkInfo->zeroconf_name = strdup(name);
phid->networkInfo->zeroconf_type = strdup(type);
phid->networkInfo->zeroconf_domain = strdup(domain);
LOG(PHIDGET_LOG_INFO, "(Browser) NEW: service '%s' of type '%s' in domain '%s'", name, type, domain);
if((ret = avahi_service_name_join_ptr(fullname, AVAHI_DOMAIN_NAME_MAX, name, type, domain)) != AVAHI_OK)
LOG(PHIDGET_LOG_ERROR, "Failed avahi_service_name_join_ptr '%s': %s", name, avahi_strerror_ptr(ret));
if(!(avahi_record_browser_new_ptr(client, interface, protocol, fullname, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_TXT, 0, DNSServiceQueryRecord_Phidget_CallBack, phid)))
LOG(PHIDGET_LOG_ERROR, "Failed to resolve service '%s': %s", name, avahi_strerror_ptr(avahi_client_errno_ptr(client)));
//gets added to list in callback
}
break;
case AVAHI_BROWSER_REMOVE:
{
if((CPhidget_create(&phid))) return;
if((CPhidgetRemote_create(&phid->networkInfo))) return;
phid->networkInfo->zeroconf_name = strdup(name);
phid->networkInfo->zeroconf_type = strdup(type);
phid->networkInfo->zeroconf_domain = strdup(domain);
LOG(PHIDGET_LOG_INFO, "(Browser) REMOVE: service '%s' of type '%s' in domain '%s'", name, type, domain);
//have to fill in phid manually from just the name
int i;
CPhidgetHandle found_phid;
char *name_copy = strdup(name);
for(i=0;i<strlen(name_copy);i++)
if(name_copy[i] == '(') break;
if(i<=1) return;
name_copy[strlen(name_copy)-1]='\0';
name_copy[i-1] = '\0';
phid->serialNumber = strtol(name_copy+i+1, NULL, 10);
phid->specificDevice = PTRUE;
for(i = 0;i<PHIDGET_DEVICE_COUNT;i++)
if(!strcmp(name_copy, Phid_Device_Def[i].pdd_name)) break;
phid->deviceIDSpec = 0;
phid->deviceDef = &Phid_Device_Def[i];
phid->attr = Phid_Device_Def[i].pdd_attr;
phid->deviceID = Phid_Device_Def[i].pdd_did;
phid->deviceType = Phid_DeviceName[phid->deviceID];
phid->networkInfo->mdns = PTRUE;
CThread_mutex_lock(&zeroconfPhidgetsLock);
CThread_mutex_lock(&activeRemoteManagersLock);
CPhidget_clearStatusFlag(&phid->status, PHIDGET_ATTACHED_FLAG, &phid->lock);
CPhidget_setStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, &phid->lock);
CPhidget_setStatusFlag(&phid->status, PHIDGET_REMOTE_FLAG, &phid->lock);
CPhidget_clearStatusFlag(&phid->status, PHIDGET_SERVER_CONNECTED_FLAG, &phid->lock);
if(!CList_findInList((CListHandle)zeroconfPhidgets, phid, CPhidget_areEqual, (void **)&found_phid))
{
strcpy(phid->label, found_phid->label);
phid->deviceVersion = found_phid->deviceVersion;
CList_removeFromList((CListHandle *)&zeroconfPhidgets, phid, CPhidget_areExtraEqual, TRUE, CPhidget_free);
//managers
for (trav=activeRemoteManagers; trav; trav = trav->next)
{
if(trav->phidm->networkInfo->requested_address==NULL
&& (trav->phidm->networkInfo->requested_serverID == NULL || !strcmp(trav->phidm->networkInfo->requested_serverID,phid->networkInfo->zeroconf_server_id)))
{
if (trav->phidm->fptrDetachChange && trav->phidm->state == PHIDGETMANAGER_ACTIVE)
trav->phidm->fptrDetachChange((CPhidgetHandle)phid, trav->phidm->fptrDetachChangeptr);
}
}
CPhidget_clearStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, &phid->lock);
CPhidget_free(phid);
}
CThread_mutex_unlock(&activeRemoteManagersLock);
CThread_mutex_unlock(&zeroconfPhidgetsLock);
free(name_copy);
}
break;
case AVAHI_BROWSER_ALL_FOR_NOW:
case AVAHI_BROWSER_CACHE_EXHAUSTED:
LOG(PHIDGET_LOG_INFO, "(Browser) %s", event == AVAHI_BROWSER_CACHE_EXHAUSTED ? "CACHE_EXHAUSTED" : "ALL_FOR_NOW");
break;
}
}
void DNSServiceBrowse_Phidget_CallBack(DNSServiceRef service,
DNSServiceFlags flags,
uint32_t interfaceIndex,
DNSServiceErrorType errorCode,
const char * name,
const char * type,
const char * domain,
void * context)
{
if (errorCode != kDNSServiceErr_NoError)
LOG(PHIDGET_LOG_ERROR, "Dns_sd_BrowseCallBack returned error: %d\n", errorCode);
else
{
DNSServiceErrorType error;
DNSServiceRef serviceRef;
char fullname[kDNSServiceMaxDomainName];
CPhidgetHandle phid;
CPhidgetHandle found_phid;
CPhidgetManagerList *trav;
DNSServiceConstructFullNamePtr(fullname, name, type, domain);
LOG(PHIDGET_LOG_INFO, "DNSServiceBrowse_Phidget_CallBack: %s",name);
if((CPhidget_create(&phid))) return;
if((CPhidgetRemote_create(&phid->networkInfo))) return;
phid->networkInfo->zeroconf_name = strdup(name);
phid->networkInfo->zeroconf_type = strdup(type);
phid->networkInfo->zeroconf_domain = strdup(domain);
if(flags & kDNSServiceFlagsAdd)
{
error = DNSServiceQueryRecordPtr(&serviceRef, 0, interfaceIndex, fullname,
kDNSServiceType_TXT, kDNSServiceClass_IN, DNSServiceQueryRecord_Phidget_CallBack, phid);
if (error == kDNSServiceErr_NoError)
{
DNSServiceProcessResultPtr(serviceRef);
DNSServiceRefDeallocatePtr(serviceRef);
CThread_mutex_lock(&zeroconfPhidgetsLock);
CThread_mutex_lock(&activeRemoteManagersLock);
CPhidget_setStatusFlag(&phid->status, PHIDGET_ATTACHED_FLAG, &phid->lock);
CPhidget_setStatusFlag(&phid->status, PHIDGET_REMOTE_FLAG, &phid->lock);
if(CList_findInList((CListHandle)zeroconfPhidgets, phid, CPhidget_areExtraEqual, (void **)&found_phid) == EPHIDGET_OK)
{
//Only do a detach/attach cycle if something's different
if(found_phid->serialNumber == phid->serialNumber
&& found_phid->deviceVersion == phid->deviceVersion
&& !strcmp(found_phid->label, phid->label)
&& !strcmp(found_phid->networkInfo->zeroconf_server_id, phid->networkInfo->zeroconf_server_id))
{
CPhidgetRemote_free(phid->networkInfo);
CPhidget_free(phid);
CThread_mutex_unlock(&activeRemoteManagersLock);
CThread_mutex_unlock(&zeroconfPhidgetsLock);
return;
}
//set detaching status
CPhidget_clearStatusFlag(&found_phid->status, PHIDGET_ATTACHED_FLAG, &found_phid->lock);
CPhidget_setStatusFlag(&found_phid->status, PHIDGET_DETACHING_FLAG, &found_phid->lock);
//Remove from list - don't free until after detach event
CList_removeFromList((CListHandle *)&zeroconfPhidgets, found_phid, CPhidget_areExtraEqual, FALSE, NULL);
for (trav=activeRemoteManagers; trav; trav = trav->next)
{
if(trav->phidm->networkInfo->requested_address==NULL
&& (trav->phidm->networkInfo->requested_serverID == NULL || !strcmp(trav->phidm->networkInfo->requested_serverID,found_phid->networkInfo->zeroconf_server_id)))
{
CList_removeFromList((CListHandle *)&trav->phidm->AttachedPhidgets, found_phid, CPhidget_areExtraEqual, PFALSE, NULL);
if (trav->phidm->fptrDetachChange && trav->phidm->state == PHIDGETMANAGER_ACTIVE)
trav->phidm->fptrDetachChange((CPhidgetHandle)found_phid, trav->phidm->fptrDetachChangeptr);
}
}
CPhidgetRemote_free(found_phid->networkInfo);
CPhidget_free(found_phid);
}
CPhidget_setStatusFlag(&phid->status, PHIDGET_SERVER_CONNECTED_FLAG, &phid->lock);
//now add it
CList_addToList((CListHandle *)&zeroconfPhidgets, phid, CPhidget_areExtraEqual);
//managers
for (trav=activeRemoteManagers; trav; trav = trav->next)
{
if(trav->phidm->networkInfo->requested_address==NULL
&& (trav->phidm->networkInfo->requested_serverID == NULL || !strcmp(trav->phidm->networkInfo->requested_serverID,phid->networkInfo->zeroconf_server_id)))
{
CList_addToList((CListHandle *)&trav->phidm->AttachedPhidgets, phid, CPhidget_areExtraEqual);
if (trav->phidm->fptrAttachChange && trav->phidm->state == PHIDGETMANAGER_ACTIVE)
trav->phidm->fptrAttachChange((CPhidgetHandle)phid, trav->phidm->fptrAttachChangeptr);
}
}
CThread_mutex_unlock(&activeRemoteManagersLock);
CThread_mutex_unlock(&zeroconfPhidgetsLock);
}
else
LOG(PHIDGET_LOG_ERROR, "DNSServiceQueryRecordPtr returned error: %d\n", error);
}
else
{
//have to fill in phid manually from just the name
int i;
char *name_copy = strdup(name);
for(i=0;i<(int)strlen(name_copy);i++)
if(name_copy[i] == '(') break;
if(i<=1) return;
name_copy[strlen(name_copy)-1]='\0';
name_copy[i-1] = '\0';
phid->serialNumber = strtol(name_copy+i+1, NULL, 10);
//we need to set this so it checks the serial numbers for a match
phid->specificDevice = PHIDGETOPEN_SERIAL;
for(i = 0;i<PHIDGET_DEVICE_COUNT;i++)
if(!strcmp(name_copy, Phid_Device_Def[i].pdd_name)) break;
phid->deviceDef = &Phid_Device_Def[i];
//phid->deviceIDSpec = Phid_Device_Def[i].pdd_sdid;
phid->deviceIDSpec = 0; //Needs to be 0 because the name can be ambiguous (ie 1018/1200) - we will still match on serial/device class, which is enough for uniqueness
phid->attr = Phid_Device_Def[i].pdd_attr;
phid->deviceID = Phid_Device_Def[i].pdd_did;
phid->deviceType = Phid_DeviceName[phid->deviceID];
phid->networkInfo->mdns = PTRUE;
CThread_mutex_lock(&zeroconfPhidgetsLock);
CThread_mutex_lock(&activeRemoteManagersLock);
CPhidget_clearStatusFlag(&phid->status, PHIDGET_ATTACHED_FLAG, &phid->lock);
CPhidget_setStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, &phid->lock);
if(!CList_findInList((CListHandle)zeroconfPhidgets, phid, CPhidget_areEqual, (void **)&found_phid))
{
CPhidget_clearStatusFlag(&found_phid->status, PHIDGET_ATTACHED_FLAG, &found_phid->lock);
CPhidget_setStatusFlag(&found_phid->status, PHIDGET_DETACHING_FLAG, &found_phid->lock);
CPhidget_setStatusFlag(&found_phid->status, PHIDGET_REMOTE_FLAG, &found_phid->lock);
CPhidget_clearStatusFlag(&found_phid->status, PHIDGET_SERVER_CONNECTED_FLAG, &found_phid->lock);
CList_removeFromList((CListHandle *)&zeroconfPhidgets, found_phid, CPhidget_areExtraEqual, FALSE, NULL);
//managers
for (trav=activeRemoteManagers; trav; trav = trav->next)
{
if(trav->phidm->networkInfo->requested_address==NULL
&& (trav->phidm->networkInfo->requested_serverID == NULL || !strcmp(trav->phidm->networkInfo->requested_serverID,found_phid->networkInfo->zeroconf_server_id)))
{
CList_removeFromList((CListHandle *)&trav->phidm->AttachedPhidgets, found_phid, CPhidget_areExtraEqual, PFALSE, NULL);
if (trav->phidm->fptrDetachChange && trav->phidm->state == PHIDGETMANAGER_ACTIVE)
trav->phidm->fptrDetachChange((CPhidgetHandle)found_phid, trav->phidm->fptrDetachChangeptr);
}
}
CPhidget_clearStatusFlag(&found_phid->status, PHIDGET_DETACHING_FLAG, &found_phid->lock);
CPhidgetRemote_free(found_phid->networkInfo);
CPhidget_free(found_phid);
}
CPhidgetRemote_free(phid->networkInfo);
CPhidget_free(phid);
CThread_mutex_unlock(&activeRemoteManagersLock);
CThread_mutex_unlock(&zeroconfPhidgetsLock);
free(name_copy);
}
}
}
int CPhidgetDetachEvent(CPhidgetHandle phid) {
int result = 0;
CPhidgetList *trav = 0;
CPhidgetManagerList *trav2 = 0;
CPhidgetHandle travPhid = 0;
TESTPTR(phid)
CPhidget_clearStatusFlag(&phid->status, PHIDGET_ATTACHED_FLAG, NULL);
CPhidget_setStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, NULL);
CList_removeFromList((CListHandle *)&AttachedDevices, phid, CPhidget_areExtraEqual, FALSE, NULL);
for(trav2 = localPhidgetManagers; trav2; trav2 = trav2->next)
{
if (trav2->phidm->fptrDetachChange && trav2->phidm->state == PHIDGETMANAGER_ACTIVE)
{
//So we can access AttachedDevices from within the manager atach event
CThread_mutex_unlock(&attachedDevicesLock);
trav2->phidm->fptrDetachChange((CPhidgetHandle)phid, trav2->phidm->fptrDetachChangeptr);
CThread_mutex_lock(&attachedDevicesLock);
}
}
CPhidget_clearStatusFlag(&phid->status, PHIDGET_DETACHING_FLAG, NULL);
CThread_mutex_lock(&activeDevicesLock);
for (trav=ActiveDevices; trav; trav = trav->next)
{
if((CPhidget_areExtraEqual(phid, trav->phid) && CPhidget_statusFlagIsSet(trav->phid->status, PHIDGET_ATTACHED_FLAG))
|| CPhidgetHandle_areEqual(phid, trav->phid))
{
CPhidget_setStatusFlag(&trav->phid->status, PHIDGET_DETACHING_FLAG, &trav->phid->lock);
if(trav->phid->specificDevice == PHIDGETOPEN_ANY_ATTACHED)
trav->phid->specificDevice = PHIDGETOPEN_ANY;
trav->phid->writeStopFlag = PTRUE;
CThread_set_event(&trav->phid->writeAvailableEvent); //if it's waiting on this event - signal NOW
result = CUSBCloseHandle(trav->phid);
CThread_join(&trav->phid->writeThread);
CThread_join(&trav->phid->readThread);
//because trav can be freed during the detach call, don't use it in or after the call
travPhid = trav->phid;
CThread_mutex_unlock(&activeDevicesLock);
if (travPhid->fptrDetach)
travPhid->fptrDetach((CPhidgetHandle)travPhid, travPhid->fptrDetachptr);
travPhid->deviceIDSpec = 0;
travPhid->deviceUID = 0;
#if !defined(_MACOSX) && !defined(WINCE)
CPhidgetFHandle_free(travPhid->CPhidgetFHandle);
travPhid->CPhidgetFHandle = NULL;
#endif
CPhidget_clearStatusFlag(&travPhid->status, PHIDGET_DETACHING_FLAG, &travPhid->lock);
CPhidget_clearStatusFlag(&travPhid->status, PHIDGET_USB_ERROR_FLAG, &travPhid->lock);
goto found_to_detach;
}
}
CThread_mutex_unlock(&activeDevicesLock);
found_to_detach:
CPhidget_free(phid);
return result;
}
void DNSServiceBrowse_Phidget_CallBack(DNSServiceRef service,
DNSServiceFlags flags,
uint32_t interfaceIndex,
DNSServiceErrorType errorCode,
const char * name,
const char * type,
const char * domain,
void * context)
{
if (errorCode != kDNSServiceErr_NoError)
LOG(PHIDGET_LOG_ERROR, "Dns_sd_BrowseCallBack returned error: %d\n", errorCode);
else
{
DNSServiceErrorType error;
DNSServiceRef serviceRef;
char fullname[kDNSServiceMaxDomainName];
CPhidgetHandle phid;
CPhidgetManagerList *trav;
DNSServiceConstructFullNamePtr(fullname, name, type, domain);
LOG(PHIDGET_LOG_INFO, "DNSServiceBrowse_Phidget_CallBack: %s",name);
if((CPhidget_create(&phid))) return;
if((CPhidgetRemote_create(&phid->networkInfo))) return;
phid->networkInfo->zeroconf_name = strdup(name);
phid->networkInfo->zeroconf_type = strdup(type);
phid->networkInfo->zeroconf_domain = strdup(domain);
if(flags & kDNSServiceFlagsAdd)
{
error = DNSServiceQueryRecordPtr(&serviceRef, 0, interfaceIndex, fullname,
kDNSServiceType_TXT, kDNSServiceClass_IN, DNSServiceQueryRecord_Phidget_CallBack, phid);
if (error == kDNSServiceErr_NoError)
{
DNSServiceProcessResultPtr(serviceRef);
DNSServiceRefDeallocatePtr(serviceRef);
CThread_mutex_lock(&zeroconfPhidgetsLock);
CThread_mutex_lock(&activeRemoteManagersLock);
CPhidget_setStatusFlag(phid, PHIDGET_ATTACHED_FLAG);
if(CList_findInList((CListHandle)zeroconfPhidgets, phid, CPhidget_areEqual, NULL))
{
CList_addToList((CListHandle *)&zeroconfPhidgets, phid, CPhidget_areEqual);
//managers
for (trav=activeRemoteManagers; trav; trav = trav->next)
{
if(trav->phidm->networkInfo->requested_address==NULL
&& (trav->phidm->networkInfo->requested_serverID == NULL || !strcmp(trav->phidm->networkInfo->requested_serverID,phid->networkInfo->zeroconf_server_id)))
{
if (trav->phidm->fptrAttachChange && trav->phidm->state == PHIDGETMANAGER_ACTIVE)
trav->phidm->fptrAttachChange((CPhidgetHandle)phid, trav->phidm->fptrAttachChangeptr);
}
}
}
CThread_mutex_unlock(&activeRemoteManagersLock);
CThread_mutex_unlock(&zeroconfPhidgetsLock);
}
else
LOG(PHIDGET_LOG_ERROR, "DNSServiceQueryRecordPtr returned error: %d\n", error);
}
else
{
//have to fill in phid manually from just the name
int i;
char *name_copy = strdup(name);
for(i=0;i<strlen(name_copy);i++)
if(name_copy[i] == '(') break;
if(i<=1) return;
name_copy[strlen(name_copy)-1]='\0';
name_copy[i-1] = '\0';
phid->serialNumber = strtol(name_copy+i+1, NULL, 10);
phid->specificDevice = PTRUE;
for(i = 0;i<PHIDGET_DEVICE_COUNT;i++)
if(!strcmp(name_copy, Phid_DeviceSpecificName[i])) break;
phid->deviceIDSpec = i;
phid->attr = Phid_Device_Def[i].pdd_attr;
phid->deviceID = Phid_Device_Def[i].pdd_did;
phid->deviceType = Phid_DeviceName[phid->deviceID];
phid->networkInfo->mdns = PTRUE;
CThread_mutex_lock(&zeroconfPhidgetsLock);
CThread_mutex_lock(&activeRemoteManagersLock);
CPhidget_clearStatusFlag(phid, PHIDGET_ATTACHED_FLAG);
CPhidget_setStatusFlag(phid, PHIDGET_DETACHING_FLAG);
if(!CList_findInList((CListHandle)zeroconfPhidgets, phid, CPhidget_areEqual, NULL))
{
CList_removeFromList((CListHandle *)&zeroconfPhidgets, phid, CPhidget_areExtraEqual, TRUE, CPhidget_free);
//managers
for (trav=activeRemoteManagers; trav; trav = trav->next)
{
if(trav->phidm->networkInfo->requested_address==NULL
&& (trav->phidm->networkInfo->requested_serverID == NULL || !strcmp(trav->phidm->networkInfo->requested_serverID,phid->networkInfo->zeroconf_server_id)))
{
if (trav->phidm->fptrDetachChange && trav->phidm->state == PHIDGETMANAGER_ACTIVE)
trav->phidm->fptrDetachChange((CPhidgetHandle)phid, trav->phidm->fptrDetachChangeptr);
}
}
CPhidget_clearStatusFlag(phid, PHIDGET_DETACHING_FLAG);
CPhidget_free(phid);
}
CThread_mutex_unlock(&activeRemoteManagersLock);
CThread_mutex_unlock(&zeroconfPhidgetsLock);
free(name_copy);
}
}
}