#include <pthread.h>
#include <search.h>
+#include "afb-apis.h"
// Session UUID are store in a simple array [for 10 sessions this should be enough]
static struct {
int max;
} sessions;
-static const char key_uuid = "uuid";
-static const char key_token = "token";
+static const char key_uuid[] = "uuid";
+static const char key_token[] = "token";
// Free context [XXXX Should be protected again memory abort XXXX]
static void ctxUuidFreeCB (AFB_clientCtx *client)
{
-
- AFB_plugin **plugins = client->plugins;
- AFB_freeCtxCB freeCtxCB;
- int idx;
+ int idx, cnt;
// If application add a handle let's free it now
if (client->contexts != NULL) {
+ cnt = afb_apis_count();
// Free client handle with a standard Free function, with app callback or ignore it
- for (idx=0; client->plugins[idx] != NULL; idx ++) {
+ for (idx=0; idx < cnt; idx ++) {
if (client->contexts[idx] != NULL) {
- freeCtxCB = client->plugins[idx]->freeCtxCB;
- if (freeCtxCB == NULL)
- free (client->contexts[idx]);
- else if (freeCtxCB != (void*)-1)
- freeCtxCB(client->contexts[idx], plugins[idx]->handle, client->uuid);
+ afb_apis_free_context(idx, client->contexts[idx]);
}
}
}
}
// Check if context timeout or not
-static int ctxStoreToOld (AFB_clientCtx *ctx, int timeout)
+static int ctxStoreTooOld (AFB_clientCtx *ctx, int timeout)
{
int res;
time_t now = time(NULL);
// Loop on Sessions Table and remove anything that is older than timeout
for (idx=0; idx < sessions.max; idx++) {
- ctx=sessions.store[idx];
- if ((ctx != NULL) && (ctxStoreToOld(ctx, timeout))) {
+ ctx = sessions.store[idx];
+ if ((ctx != NULL) && (ctxStoreTooOld(ctx, timeout))) {
ctxStoreDel (ctx);
}
}
}
// This function will return exiting client context or newly created client context
-AFB_clientCtx *ctxClientGet (AFB_request *request, int idx)
+AFB_clientCtx *ctxClientGet (AFB_request *request, int apiidx)
{
AFB_clientCtx *clientCtx=NULL;
const char *uuid;
clientCtx = ctxStoreSearch (uuid);
if (clientCtx) {
- if (ctxStoreToOld (clientCtx, request->config->cntxTimeout)) {
+ if (ctxStoreTooOld (clientCtx, request->config->cntxTimeout)) {
// this session is too old let's delete it
ctxStoreDel (clientCtx);
clientCtx = NULL;
} else {
- request->context=clientCtx->contexts[idx];
- request->handle = clientCtx->plugins[idx]->handle;
- request->uuid= uuid;
+ request->context = clientCtx->contexts[apiidx];
+ request->uuid = uuid;
return clientCtx;
}
}
// we have no session let's create one otherwise let's clean any exiting values
if (clientCtx == NULL) {
clientCtx = calloc(1, sizeof(AFB_clientCtx)); // init NULL clientContext
- clientCtx->contexts = calloc (1, (unsigned)request->config->pluginCount * (sizeof (void*)));
- clientCtx->plugins = request->plugins;
+ clientCtx->contexts = calloc ((unsigned)afb_apis_count(), sizeof (void*));
}
uuid_generate(newuuid); // create a new UUID
}
// if (verbose) fprintf (stderr, "ctxClientGet New uuid=[%s] token=[%s] timestamp=%d\n", clientCtx->uuid, clientCtx->token, clientCtx->timeStamp);
- request->context = clientCtx->contexts[idx];
- request->handle = clientCtx->plugins[idx]->handle;
- request->uuid=clientCtx->uuid;
+ request->context = clientCtx->contexts[apiidx];
+ request->uuid = clientCtx->uuid;
return clientCtx;
}
return AFB_FALSE;
// compare current token with previous one
- if ((0 == strcmp (token, clientCtx->token)) && (!ctxStoreToOld (clientCtx, request->config->cntxTimeout))) {
+ if ((0 == strcmp (token, clientCtx->token)) && (!ctxStoreTooOld (clientCtx, request->config->cntxTimeout))) {
return AFB_SUCCESS;
}
return AFB_SUCCESS;
}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#if defined(ALLOWS_SESSION_FILES)
-
-#define AFB_SESSION_JTYPE "AFB_session"
-#define AFB_SESSION_JLIST "AFB_sessions.hash"
-#define AFB_SESSION_JINFO "AFB_infos"
-
-
-#define AFB_CURRENT_SESSION "active-session" // file link name within sndcard dir
-#define AFB_DEFAULT_SESSION "current-session" // should be in sync with UI
-
-// let's return only sessions.hash files
-static int fileSelect (const struct dirent *entry) {
- return (strstr (entry->d_name, ".afb") != NULL);
-}
-
-static json_object *checkCardDirExit (AFB_session *session, AFB_request *request ) {
- int sessionDir, cardDir;
-
- // card name should be more than 3 character long !!!!
- if (strlen (request->prefix) < 3) {
- return (jsonNewMessage (AFB_FAIL,"Fail invalid plugin=%s", request->prefix));
- }
-
- // open session directory
- sessionDir = open (session->config->sessiondir, O_DIRECTORY);
- if (sessionDir < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to open directory [%s] error=%s", session->config->sessiondir, strerror(sessionDir)));
- }
-
- // create session sndcard directory if it does not exit
- cardDir = openat (sessionDir, request->prefix, O_DIRECTORY);
- if (cardDir < 0) {
- cardDir = mkdirat (sessionDir, request->prefix, O_RDWR | S_IRWXU | S_IRGRP);
- if (cardDir < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to create directory [%s/%s] error=%s", session->config->sessiondir, request->prefix, strerror(cardDir)));
- }
- }
- close (sessionDir);
- return NULL;
-}
-
-// Create a link toward last used sessionname within sndcard directory
-static void makeSessionLink (const char *cardname, const char *sessionname) {
- char linkname [256], filename [256];
- int err;
- // create a link to keep track of last uploaded sessionname for this card
- strncpy (filename, sessionname, sizeof(filename));
- strncat (filename, ".afb", sizeof(filename));
-
- strncpy (linkname, cardname, sizeof(linkname));
- strncat (linkname, "/", sizeof(filename));
- strncat (linkname, AFB_CURRENT_SESSION, sizeof(linkname));
- strncat (linkname, ".afb", sizeof(filename));
- unlink (linkname); // remove previous link if any
- err = symlink (filename, linkname);
- if (err < 0) fprintf (stderr, "Fail to create link %s->%s error=%s\n", linkname, filename, strerror(errno));
-}
-
-// verify we can read/write in session dir
-AFB_error sessionCheckdir (AFB_session *session) {
-
- int err;
-
- // in case session dir would not exist create one
- if (verbose) fprintf (stderr, "AFB:notice checking session dir [%s]\n", session->config->sessiondir);
- mkdir(session->config->sessiondir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
-
- // change for session directory
- err = chdir(session->config->sessiondir);
- if (err) {
- fprintf(stderr,"AFB: Fail to chdir to %s error=%s\n", session->config->sessiondir, strerror(err));
- return err;
- }
-
- // verify we can write session in directory
- json_object *dummy= json_object_new_object();
- json_object_object_add (dummy, "checked" , json_object_new_int (getppid()));
- err = json_object_to_file ("./AFB-probe.json", dummy);
- if (err < 0) return err;
-
- return AFB_SUCCESS;
-}
-
-// create a session in current directory
-json_object *sessionList (AFB_session *session, AFB_request *request) {
- json_object *sessionsJ, *ajgResponse;
- struct stat fstat;
- struct dirent **namelist;
- int count, sessionDir;
-
- // if directory for card's sessions.hash does not exist create it
- ajgResponse = checkCardDirExit (session, request);
- if (ajgResponse != NULL) return ajgResponse;
-
- // open session directory
- sessionDir = open (session->config->sessiondir, O_DIRECTORY);
- if (sessionDir < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to open directory [%s] error=%s", session->config->sessiondir, strerror(sessionDir)));
- }
-
- count = scandirat (sessionDir, request->prefix, &namelist, fileSelect, alphasort);
- close (sessionDir);
-
- if (count < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to scan sessions.hash directory [%s/%s] error=%s", session->config->sessiondir, request->prefix, strerror(sessionDir)));
- }
- if (count == 0) return (jsonNewMessage (AFB_EMPTY,"[%s] no session at [%s]", request->prefix, session->config->sessiondir));
-
- // loop on each session file, retrieve its date and push it into json response object
- sessionsJ = json_object_new_array();
- while (count--) {
- json_object *sessioninfo;
- char timestamp [64];
- char *filename;
-
- // extract file name and last modification date
- filename = namelist[count]->d_name;
- printf("%s\n", filename);
- stat(filename,&fstat);
- strftime (timestamp, sizeof(timestamp), "%c", localtime (&fstat.st_mtime));
- filename[strlen(filename)-4] = '\0'; // remove .afb extension from filename
-
- // create an object by session with last update date
- sessioninfo = json_object_new_object();
- json_object_object_add (sessioninfo, "date" , json_object_new_string (timestamp));
- json_object_object_add (sessioninfo, "session" , json_object_new_string (filename));
- json_object_array_add (sessionsJ, sessioninfo);
-
- free(namelist[count]);
- }
-
- // free scandir structure
- free(namelist);
-
- // everything is OK let's build final response
- ajgResponse = json_object_new_object();
- json_object_object_add (ajgResponse, "jtype" , json_object_new_string (AFB_SESSION_JLIST));
- json_object_object_add (ajgResponse, "status" , jsonNewStatus(AFB_SUCCESS));
- json_object_object_add (ajgResponse, "data" , sessionsJ);
-
- return (ajgResponse);
-}
-
-// Load Json session object from disk
-json_object *sessionFromDisk (AFB_session *session, AFB_request *request, char *name) {
- json_object *jsonSession, *jtype, *response;
- const char *ajglabel;
- char filename [256];
- int defsession;
-
- if (name == NULL) {
- return (jsonNewMessage (AFB_FATAL,"session name missing &session=MySessionName"));
- }
-
- // check for current session request
- defsession = (strcmp (name, AFB_DEFAULT_SESSION) ==0);
-
- // if directory for card's sessions.hash does not exist create it
- response = checkCardDirExit (session, request);
- if (response != NULL) return response;
-
- // add name and file extension to session name
- strncpy (filename, request->prefix, sizeof(filename));
- strncat (filename, "/", sizeof(filename));
- if (defsession) strncat (filename, AFB_CURRENT_SESSION, sizeof(filename)-1);
- else strncat (filename, name, sizeof(filename)-1);
- strncat (filename, ".afb", sizeof(filename));
-
- // just upload json object and return without any further processing
- jsonSession = json_object_from_file (filename);
-
- if (jsonSession == NULL) return (jsonNewMessage (AFB_EMPTY,"File [%s] not found", filename));
-
- // verify that file is a JSON ALSA session type
- if (!json_object_object_get_ex (jsonSession, "jtype", &jtype)) {
- json_object_put (jsonSession);
- return (jsonNewMessage (AFB_EMPTY,"File [%s] 'jtype' descriptor not found", filename));
- }
-
- // check type value is AFB_SESSION_JTYPE
- ajglabel = json_object_get_string (jtype);
- if (strcmp (AFB_SESSION_JTYPE, ajglabel)) {
- json_object_put (jsonSession);
- return (jsonNewMessage (AFB_FATAL,"File [%s] jtype=[%s] != [%s]", filename, ajglabel, AFB_SESSION_JTYPE));
- }
-
- // create a link to keep track of last uploaded session for this card
- if (!defsession) makeSessionLink (request->prefix, name);
-
- return (jsonSession);
-}
-
-// push Json session object to disk
-json_object * sessionToDisk (AFB_session *session, AFB_request *request, char *name, json_object *jsonSession) {
- char filename [256];
- time_t rawtime;
- struct tm * timeinfo;
- int err, defsession;
- static json_object *response;
-
- // we should have a session name
- if (name == NULL) return (jsonNewMessage (AFB_FATAL,"session name missing &session=MySessionName"));
-
- // check for current session request
- defsession = (strcmp (name, AFB_DEFAULT_SESSION) ==0);
-
- // if directory for card's sessions.hash does not exist create it
- response = checkCardDirExit (session, request);
- if (response != NULL) return response;
-
- // add cardname and file extension to session name
- strncpy (filename, request->prefix, sizeof(filename));
- strncat (filename, "/", sizeof(filename));
- if (defsession) strncat (filename, AFB_CURRENT_SESSION, sizeof(filename)-1);
- else strncat (filename, name, sizeof(filename)-1);
- strncat (filename, ".afb", sizeof(filename)-1);
-
-
- json_object_object_add(jsonSession, "jtype", json_object_new_string (AFB_SESSION_JTYPE));
-
- // add a timestamp and store session on disk
- time ( &rawtime ); timeinfo = localtime ( &rawtime );
- // A copy of the string is made and the memory is managed by the json_object
- json_object_object_add (jsonSession, "timestamp", json_object_new_string (asctime (timeinfo)));
-
-
- // do we have extra session info ?
- if (request->post->type == AFB_POST_JSON) {
- static json_object *info, *jtype;
- const char *ajglabel;
-
- // extract session info from args
- info = json_tokener_parse (request->post->data);
- if (!info) {
- response = jsonNewMessage (AFB_FATAL,"sndcard=%s session=%s invalid json args=%s", request->prefix, name, request->post);
- goto OnErrorExit;
- }
-
- // info is a valid AFB_info type
- if (!json_object_object_get_ex (info, "jtype", &jtype)) {
- response = jsonNewMessage (AFB_EMPTY,"sndcard=%s session=%s No 'AFB_pluginT' args=%s", request->prefix, name, request->post);
- goto OnErrorExit;
- }
-
- // check type value is AFB_INFO_JTYPE
- ajglabel = json_object_get_string (jtype);
- if (strcmp (AFB_SESSION_JINFO, ajglabel)) {
- json_object_put (info); // release info json object
- response = jsonNewMessage (AFB_FATAL,"File [%s] jtype=[%s] != [%s] data=%s", filename, ajglabel, AFB_SESSION_JTYPE, request->post);
- goto OnErrorExit;
- }
-
- // this is valid info data for our session
- json_object_object_add (jsonSession, "info", info);
- }
-
- // Finally save session on disk
- err = json_object_to_file (filename, jsonSession);
- if (err < 0) {
- response = jsonNewMessage (AFB_FATAL,"Fail save session = [%s] to disk", filename);
- goto OnErrorExit;
- }
-
-
- // create a link to keep track of last uploaded session for this card
- if (!defsession) makeSessionLink (request->prefix, name);
-
- // we're donne let's return status message
- response = jsonNewMessage (AFB_SUCCESS,"Session= [%s] saved on disk", filename);
- json_object_put (jsonSession);
- return (response);
-
-OnErrorExit:
- json_object_put (jsonSession);
- return response;
-}
-#endif
-
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