#include "occlientcb.h"
-#include "occoap.h"
#include "utlist.h"
#include "logger.h"
-#include "ocmalloc.h"
+#include "oic_malloc.h"
#include <string.h>
+#ifdef WITH_ARDUINO
+#include "Time.h"
+#else
+#include <sys/time.h>
+#endif
+#include "coap_time.h"
+
+#include "cacommon.h"
+#include "cainterface.h"
+
/// Module Name
-#define TAG PCF("occlientcb")
+#define TAG "occlientcb"
struct ClientCB *cbList = NULL;
-OCMulticastNode * mcPresenceNodes = NULL;
+static OCMulticastNode * mcPresenceNodes = NULL;
-OCStackResult AddClientCB(ClientCB** clientCB, OCCallbackData* cbData,
- OCCoAPToken * token, OCDoHandle *handle, OCMethod method,
- unsigned char * requestUri, unsigned char * resourceTypeName) {
+OCStackResult
+AddClientCB (ClientCB** clientCB, OCCallbackData* cbData,
+ CAToken_t token, uint8_t tokenLength,
+ OCDoHandle *handle, OCMethod method,
+ OCDevAddr *devAddr, char * requestUri,
+ char * resourceTypeName, uint32_t ttl)
+{
+ if(!clientCB || !cbData || !handle || !requestUri || tokenLength > CA_MAX_TOKEN_LEN)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
ClientCB *cbNode = NULL;
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
if(method == OC_REST_PRESENCE)
{ // Retrieve the presence callback structure for this specific requestUri.
- cbNode = GetClientCB(NULL, NULL, requestUri);
+ cbNode = GetClientCB(NULL, 0, NULL, requestUri);
}
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
if(!cbNode)// If it does not already exist, create new node.
{
- cbNode = (ClientCB*) OCMalloc(sizeof(ClientCB));
+ cbNode = (ClientCB*) OICMalloc(sizeof(ClientCB));
if(!cbNode)
{
*clientCB = NULL;
}
else
{
+ OC_LOG(INFO, TAG, "Adding client callback with token");
+ OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)token, tokenLength);
cbNode->callBack = cbData->cb;
cbNode->context = cbData->context;
cbNode->deleteCallback = cbData->cd;
- memcpy(&(cbNode->token), token, sizeof(OCCoAPToken));
+ //Note: token memory is allocated in the caller OCDoResource
+ //but freed in DeleteClientCB
+ cbNode->token = token;
+ cbNode->tokenLength = tokenLength;
cbNode->handle = *handle;
cbNode->method = method;
cbNode->sequenceNumber = 0;
cbNode->presence = NULL;
cbNode->filterResourceType = NULL;
#endif // WITH_PRESENCE
- cbNode->requestUri = requestUri;
+
+ if (method == OC_REST_PRESENCE ||
+ method == OC_REST_OBSERVE ||
+ method == OC_REST_OBSERVE_ALL)
+ {
+ cbNode->TTL = 0;
+ }
+ else
+ {
+ cbNode->TTL = ttl;
+ }
+ cbNode->requestUri = requestUri; // I own it now
+ cbNode->devAddr = devAddr; // I own it now
+ OC_LOG_V(INFO, TAG, "Added Callback for uri : %s", requestUri);
LL_APPEND(cbList, cbNode);
*clientCB = cbNode;
}
// Ensure that the handle the SDK hands back up to the application layer for the
// OCDoResource call matches the found ClientCB Node.
*clientCB = cbNode;
- OCFree(requestUri);
- OCFree(*handle);
+
+ if (cbData->cd)
+ {
+ cbData->cd(cbData->context);
+ }
+
+ OICFree(token);
+ OICFree(*handle);
+ OICFree(requestUri);
+ OICFree(devAddr);
*handle = cbNode->handle;
}
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
if(method == OC_REST_PRESENCE && resourceTypeName)
- { // Amend the found or created node by adding a new resourceType to it.
- return InsertResourceTypeFilter(cbNode, (const char *)resourceTypeName);
+ {
+ // Amend the found or created node by adding a new resourceType to it.
+ return InsertResourceTypeFilter(cbNode,(char *)resourceTypeName);
+ // I own resourceTypName now.
}
- #endif
+ else
+ {
+ OICFree(resourceTypeName);
+ }
+#else
+ OICFree(resourceTypeName);
+#endif
return OC_STACK_OK;
- exit:
- return OC_STACK_NO_MEMORY;
+exit:
+ return OC_STACK_NO_MEMORY;
}
-void DeleteClientCB(ClientCB * cbNode) {
- if(cbNode) {
+void DeleteClientCB(ClientCB * cbNode)
+{
+ if(cbNode)
+ {
LL_DELETE(cbList, cbNode);
- OC_LOG(INFO, TAG, PCF("deleting tokens"));
- OC_LOG_BUFFER(INFO, TAG, cbNode->token.token, cbNode->token.tokenLength);
- OCFree(cbNode->handle);
- OCFree(cbNode->requestUri);
+ OC_LOG (INFO, TAG, "Deleting token");
+ OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)cbNode->token, cbNode->tokenLength);
+ CADestroyToken (cbNode->token);
+ OICFree(cbNode->devAddr);
+ OICFree(cbNode->handle);
+ OC_LOG_V (INFO, TAG, "Deleting callback with uri %s", cbNode->requestUri);
+ OICFree(cbNode->requestUri);
if(cbNode->deleteCallback)
{
cbNode->deleteCallback(cbNode->context);
}
- #ifdef WITH_PRESENCE
- if(cbNode->presence) {
- OCFree(cbNode->presence->timeOut);
- OCFree(cbNode->presence);
+#ifdef WITH_PRESENCE
+ if(cbNode->presence)
+ {
+ OICFree(cbNode->presence->timeOut);
+ OICFree(cbNode->presence);
}
if(cbNode->method == OC_REST_PRESENCE)
{
while(pointer)
{
next = pointer->next;
- OCFree(pointer->resourcetypename);
- OCFree(pointer);
+ OICFree(pointer->resourcetypename);
+ OICFree(pointer);
pointer = next;
}
}
- #endif // WITH_PRESENCE
- OCFree(cbNode);
+#endif // WITH_PRESENCE
+ OICFree(cbNode);
cbNode = NULL;
}
}
-ClientCB* GetClientCB(OCCoAPToken * token, OCDoHandle handle, unsigned char * requestUri) {
+/*
+ * This function checks if the node is past its time to live and
+ * deletes it if timed-out. Calling this function with a presence or observe
+ * callback with ttl set to 0 will not delete anything as presence nodes have
+ * their own mechanisms for timeouts. A null argument will cause the function to
+ * silently return.
+ */
+static void CheckAndDeleteTimedOutCB(ClientCB* cbNode)
+{
+ if (!cbNode)
+ {
+ return;
+ }
+ if (cbNode->TTL == 0)
+ {
+ return;
+ }
+ coap_tick_t now;
+ coap_ticks(&now);
+
+ if (cbNode->TTL < now)
+ {
+ OC_LOG(INFO, TAG, "Deleting timed-out callback");
+ DeleteClientCB(cbNode);
+ }
+}
+
+ClientCB* GetClientCB(const CAToken_t token, uint8_t tokenLength,
+ OCDoHandle handle, const char * requestUri)
+{
+
ClientCB* out = NULL;
- if(token) {
- LL_FOREACH(cbList, out) {
- OC_LOG(INFO, TAG, PCF("comparing tokens"));
- OC_LOG_BUFFER(INFO, TAG, token->token, token->tokenLength);
- OC_LOG_BUFFER(INFO, TAG, out->token.token, out->token.tokenLength);
- if((out->token.tokenLength == token->tokenLength) &&
- (memcmp(out->token.token, token->token, token->tokenLength) == 0) ) {
+
+ if(token && *token && tokenLength <= CA_MAX_TOKEN_LEN && tokenLength > 0)
+ {
+ OC_LOG (INFO, TAG, "Looking for token");
+ OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)token, tokenLength);
+ OC_LOG(INFO, TAG, "\tFound in callback list");
+ LL_FOREACH(cbList, out)
+ {
+ OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)out->token, tokenLength);
+
+ if(memcmp(out->token, token, tokenLength) == 0)
+ {
return out;
}
+ CheckAndDeleteTimedOutCB(out);
}
}
- else if(handle) {
- LL_FOREACH(cbList, out) {
- if(out->handle == handle) {
+ else if(handle)
+ {
+ LL_FOREACH(cbList, out)
+ {
+ if(out->handle == handle)
+ {
return out;
}
+ CheckAndDeleteTimedOutCB(out);
}
}
- else if(requestUri) {
- LL_FOREACH(cbList, out) {
- if(out->requestUri && strcmp((char *)out->requestUri, (char *)requestUri) == 0) {
+ else if(requestUri)
+ {
+ OC_LOG_V(INFO, TAG, "Looking for uri %s", requestUri);
+ LL_FOREACH(cbList, out)
+ {
+ OC_LOG_V(INFO, TAG, "\tFound %s", out->requestUri);
+ if(out->requestUri && strcmp(out->requestUri, requestUri ) == 0)
+ {
return out;
}
+ CheckAndDeleteTimedOutCB(out);
}
}
- OC_LOG(INFO, TAG, PCF("Callback Not found !!"));
+ OC_LOG(INFO, TAG, "Callback Not found !!");
return NULL;
}
-OCStackResult InsertResourceTypeFilter(ClientCB * cbNode, const char * resourceTypeName)
+#ifdef WITH_PRESENCE
+OCStackResult InsertResourceTypeFilter(ClientCB * cbNode, char * resourceTypeName)
{
OCResourceType * newResourceType = NULL;
if(cbNode && resourceTypeName)
{
// Form a new resourceType member.
- newResourceType = (OCResourceType *) OCMalloc(sizeof(OCResourceType));
+ newResourceType = (OCResourceType *) OICMalloc(sizeof(OCResourceType));
if(!newResourceType)
{
return OC_STACK_NO_MEMORY;
}
newResourceType->next = NULL;
- newResourceType->resourcetypename = (char *) resourceTypeName;
+ newResourceType->resourcetypename = resourceTypeName;
LL_APPEND(cbNode->filterResourceType, newResourceType);
return OC_STACK_OK;
}
return OC_STACK_ERROR;
}
+#endif // WITH_PRESENCE
-void DeleteClientCBList() {
+void DeleteClientCBList()
+{
ClientCB* out;
ClientCB* tmp;
- LL_FOREACH_SAFE(cbList, out, tmp) {
+ LL_FOREACH_SAFE(cbList, out, tmp)
+ {
DeleteClientCB(out);
}
cbList = NULL;
}
-void FindAndDeleteClientCB(ClientCB * cbNode) {
+void FindAndDeleteClientCB(ClientCB * cbNode)
+{
ClientCB* tmp;
if(cbNode)
{
}
}
-OCStackResult AddMCPresenceNode(OCMulticastNode** outnode, unsigned char* uri, uint32_t nonce)
+OCStackResult AddMCPresenceNode(OCMulticastNode** outnode, char* uri, uint32_t nonce)
{
+ if(!outnode)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+
OCMulticastNode *node;
- node = (OCMulticastNode*) OCMalloc(sizeof(OCMulticastNode));
+ node = (OCMulticastNode*) OICMalloc(sizeof(OCMulticastNode));
- if (node) {
+ if (node)
+ {
node->nonce = nonce;
node->uri = uri;
LL_APPEND(mcPresenceNodes, node);
return OC_STACK_NO_MEMORY;
}
-OCMulticastNode* GetMCPresenceNode(unsigned char * uri) {
+OCMulticastNode* GetMCPresenceNode(const char * uri)
+{
OCMulticastNode* out = NULL;
- if(uri) {
- LL_FOREACH(mcPresenceNodes, out) {
- if(out->uri && strcmp((char *)out->uri, (char *)uri) == 0) {
+ if(uri)
+ {
+ LL_FOREACH(mcPresenceNodes, out)
+ {
+ if(out->uri && strcmp(out->uri, uri) == 0)
+ {
return out;
}
}
}
- OC_LOG(INFO, TAG, PCF("MulticastNode Not found !!"));
+ OC_LOG(INFO, TAG, "MulticastNode Not found !!");
return NULL;
}
+