#include <assert.h>
#include <errno.h>
+#include <json.h>
+
#include "session.h"
+#include "verbose.h"
#define NOW (time(NULL))
+struct client_value
+{
+ void *value;
+ void (*free_value)(void*);
+};
+
+struct afb_event_listener_list
+{
+ struct afb_event_listener_list *next;
+ struct afb_event_listener listener;
+ int refcount;
+};
+
+struct AFB_clientCtx
+{
+ unsigned refcount;
+ time_t expiration; // expiration time of the token
+ time_t access;
+ char uuid[37]; // long term authentication of remote client
+ char token[37]; // short term authentication of remote client
+ struct client_value *values;
+ struct afb_event_listener_list *listeners;
+};
+
// Session UUID are store in a simple array [for 10 sessions this should be enough]
static struct {
pthread_mutex_t mutex; // declare a mutex to protect hash table
const char *initok;
} sessions;
-void *afb_context_get(struct afb_context *actx)
-{
- return actx->context;
-}
-
-void afb_context_set(struct afb_context *actx, void *context, void (*free_context)(void*))
-{
-fprintf(stderr, "afb_context_set(%p,%p) was (%p,%p)\n",context, free_context, actx->context, actx->free_context);
- if (actx->context != NULL && actx->free_context != NULL)
- actx->free_context(actx->context);
- actx->context = context;
- actx->free_context = free_context;
-}
-
// Free context [XXXX Should be protected again memory abort XXXX]
static void ctxUuidFreeCB (struct AFB_clientCtx *client)
{
int idx;
// If application add a handle let's free it now
- assert (client->contexts != NULL);
+ assert (client->values != NULL);
// Free client handle with a standard Free function, with app callback or ignore it
for (idx=0; idx < sessions.apicount; idx ++)
- afb_context_set(&client->contexts[idx], NULL, NULL);
+ ctxClientValueSet(client, idx, NULL, NULL);
}
// Create a new store in RAM, not that is too small it will be automatically extended
sessions.max = max_session_count;
sessions.timeout = timeout;
sessions.apicount = context_count;
- if (strlen(initok) >= 37) {
- fprintf(stderr, "Error: initial token '%s' too long (max length 36)", initok);
+ if (strlen(initok) >= sizeof(sessions.store[0]->token)) {
+ ERROR("initial token '%s' too long (max length 36)", initok);
exit(1);
}
sessions.initok = initok;
assert (client != NULL);
- //fprintf (stderr, "ctxStoreAdd request uuid=%s count=%d\n", client->uuid, sessions.count);
-
pthread_mutex_lock(&sessions.mutex);
for (idx=0; idx < sessions.max; idx++) {
}
// This function will return exiting client context or newly created client context
-struct AFB_clientCtx *ctxClientGetForUuid (const char *uuid)
+struct AFB_clientCtx *ctxClientGetSession (const char *uuid, int *created)
{
uuid_t newuuid;
struct AFB_clientCtx *clientCtx;
time_t now;
- /* search for an existing one not too old */
+ /* cleaning */
now = NOW;
ctxStoreCleanUp (now);
- clientCtx = uuid != NULL ? ctxStoreSearch (uuid) : NULL;
- if (clientCtx) {
- clientCtx->refcount++;
- return clientCtx;
- }
- /* mimic old behaviour */
-/*
-TODO remove? not remove?
- if (sessions.initok == NULL)
- return NULL;
-*/
- /* check the uuid if given */
- if (uuid != NULL && strlen(uuid) >= sizeof clientCtx->uuid)
- return NULL;
+ /* search for an existing one not too old */
+ if (uuid != NULL) {
+ if (strlen(uuid) >= sizeof clientCtx->uuid) {
+ errno = EINVAL;
+ goto error;
+ }
+ clientCtx = ctxStoreSearch(uuid);
+ if (clientCtx != NULL) {
+ *created = 0;
+ goto found;
+ }
+ }
/* returns a new one */
- clientCtx = calloc(1, sizeof(struct AFB_clientCtx)); // init NULL clientContext
- if (clientCtx != NULL) {
- clientCtx->contexts = calloc ((unsigned)sessions.apicount, sizeof(*clientCtx->contexts));
- if (clientCtx->contexts != NULL) {
- /* generate the uuid */
- if (uuid == NULL) {
- uuid_generate(newuuid);
- uuid_unparse_lower(newuuid, clientCtx->uuid);
- } else {
- strcpy(clientCtx->uuid, uuid);
- }
- strcpy(clientCtx->token, sessions.initok);
- clientCtx->expiration = now + sessions.timeout;
- clientCtx->refcount = 1;
- if (ctxStoreAdd (clientCtx))
- return clientCtx;
- free(clientCtx->contexts);
- }
- free(clientCtx);
+ clientCtx = calloc(1, sizeof(struct AFB_clientCtx) + ((unsigned)sessions.apicount * sizeof(*clientCtx->values)));
+ if (clientCtx == NULL) {
+ errno = ENOMEM;
+ goto error;
+ }
+ clientCtx->values = (void*)(clientCtx + 1);
+
+ /* generate the uuid */
+ if (uuid == NULL) {
+ uuid_generate(newuuid);
+ uuid_unparse_lower(newuuid, clientCtx->uuid);
+ } else {
+ strcpy(clientCtx->uuid, uuid);
}
+
+ /* init the token */
+ strcpy(clientCtx->token, sessions.initok);
+ clientCtx->expiration = now + sessions.timeout;
+ if (!ctxStoreAdd (clientCtx)) {
+ errno = ENOMEM;
+ goto error2;
+ }
+ *created = 1;
+
+found:
+ clientCtx->access = now;
+ clientCtx->refcount++;
+ return clientCtx;
+
+error2:
+ free(clientCtx);
+error:
return NULL;
}
-struct AFB_clientCtx *ctxClientGet(struct AFB_clientCtx *clientCtx)
+struct AFB_clientCtx *ctxClientAddRef(struct AFB_clientCtx *clientCtx)
{
if (clientCtx != NULL)
clientCtx->refcount++;
return clientCtx;
}
-void ctxClientPut(struct AFB_clientCtx *clientCtx)
+void ctxClientUnref(struct AFB_clientCtx *clientCtx)
{
if (clientCtx != NULL) {
assert(clientCtx->refcount != 0);
--clientCtx->refcount;
+ if (clientCtx->refcount == 0 && clientCtx->uuid[0] == 0) {
+ ctxStoreDel (clientCtx);
+ }
}
}
void ctxClientClose (struct AFB_clientCtx *clientCtx)
{
assert(clientCtx != NULL);
- if (clientCtx->created) {
- clientCtx->created = 0;
- ctxUuidFreeCB (clientCtx);
- }
- if (clientCtx->refcount == 0)
- ctxStoreDel (clientCtx);
+ ctxUuidFreeCB (clientCtx);
+ clientCtx->uuid[0] = 0;
}
// Sample Generic Ping Debug API
-int ctxTokenCheckLen (struct AFB_clientCtx *clientCtx, const char *token, size_t length)
+int ctxTokenCheck (struct AFB_clientCtx *clientCtx, const char *token)
{
assert(clientCtx != NULL);
assert(token != NULL);
if (ctxStoreTooOld (clientCtx, NOW))
return 0;
- if (clientCtx->token[0] && (length >= sizeof(clientCtx->token) || strncmp (token, clientCtx->token, length) || clientCtx->token[length]))
+ if (clientCtx->token[0] && strcmp (token, clientCtx->token) != 0)
return 0;
- clientCtx->created = 1; /* creates by default */
return 1;
}
-// Sample Generic Ping Debug API
-int ctxTokenCheck (struct AFB_clientCtx *clientCtx, const char *token)
-{
- assert(clientCtx != NULL);
- assert(token != NULL);
-
- return ctxTokenCheckLen(clientCtx, token, strlen(token));
-}
-
// generate a new token and update client context
void ctxTokenNew (struct AFB_clientCtx *clientCtx)
{
clientCtx->expiration = NOW + sessions.timeout;
}
-struct afb_event_sender_list
-{
- struct afb_event_sender_list *next;
- struct afb_event_sender sender;
- int refcount;
-};
-
-int ctxClientEventSenderAdd(struct AFB_clientCtx *clientCtx, struct afb_event_sender sender)
+int ctxClientEventListenerAdd(struct AFB_clientCtx *clientCtx, struct afb_event_listener listener)
{
- struct afb_event_sender_list *iter, **prv;
+ struct afb_event_listener_list *iter, **prv;
- prv = &clientCtx->senders;
+ prv = &clientCtx->listeners;
for (;;) {
iter = *prv;
if (iter == NULL) {
errno = ENOMEM;
return -1;
}
- iter->sender = sender;
+ iter->listener = listener;
iter->refcount = 1;
*prv = iter;
return 0;
}
- if (iter->sender.itf == sender.itf && iter->sender.closure == sender.closure) {
+ if (iter->listener.itf == listener.itf && iter->listener.closure == listener.closure) {
iter->refcount++;
return 0;
}
}
}
-void ctxClientEventSenderRemove(struct AFB_clientCtx *clientCtx, struct afb_event_sender sender)
+void ctxClientEventListenerRemove(struct AFB_clientCtx *clientCtx, struct afb_event_listener listener)
{
- struct afb_event_sender_list *iter, **prv;
+ struct afb_event_listener_list *iter, **prv;
- prv = &clientCtx->senders;
+ prv = &clientCtx->listeners;
for (;;) {
iter = *prv;
if (iter == NULL)
return;
- if (iter->sender.itf == sender.itf && iter->sender.closure == sender.closure) {
+ if (iter->listener.itf == listener.itf && iter->listener.closure == listener.closure) {
if (!--iter->refcount) {
*prv = iter->next;
free(iter);
static int send(struct AFB_clientCtx *clientCtx, const char *event, struct json_object *object)
{
- struct afb_event_sender_list *iter;
+ struct afb_event_listener_list *iter;
int result;
result = 0;
- iter = clientCtx->senders;
+ iter = clientCtx->listeners;
while (iter != NULL) {
- iter->sender.itf->send(iter->sender.closure, event, object);
+ iter->listener.itf->send(iter->listener.closure, event, json_object_get(object));
result++;
iter = iter->next;
}
for (idx=0; idx < sessions.max; idx++) {
clientCtx = sessions.store[idx];
if (clientCtx != NULL && !ctxStoreTooOld(clientCtx, now)) {
- clientCtx = ctxClientGet(clientCtx);
+ clientCtx = ctxClientAddRef(clientCtx);
result += send(clientCtx, event, object);
- ctxClientPut(clientCtx);
+ ctxClientUnref(clientCtx);
}
}
}
return result;
}
+const char *ctxClientGetUuid (struct AFB_clientCtx *clientCtx)
+{
+ assert(clientCtx != NULL);
+ return clientCtx->uuid;
+}
+
+const char *ctxClientGetToken (struct AFB_clientCtx *clientCtx)
+{
+ assert(clientCtx != NULL);
+ return clientCtx->token;
+}
+
+void *ctxClientValueGet(struct AFB_clientCtx *clientCtx, int index)
+{
+ assert(clientCtx != NULL);
+ assert(index >= 0);
+ assert(index < sessions.apicount);
+ return clientCtx->values[index].value;
+}
+
+void ctxClientValueSet(struct AFB_clientCtx *clientCtx, int index, void *value, void (*free_value)(void*))
+{
+ struct client_value prev;
+ assert(clientCtx != NULL);
+ assert(index >= 0);
+ assert(index < sessions.apicount);
+ prev = clientCtx->values[index];
+ clientCtx->values[index] = (struct client_value){.value = value, .free_value = free_value};
+ if (prev.value != NULL && prev.free_value != NULL)
+ prev.free_value(prev.value);
+}
Code Review / src / app-framework-binder.git / blobdiff