JsonNode *last_users(char *in_user, char *in_device)
{
JsonNode *obj = json_mkobject();
JsonNode *un, *dn, *userlist = json_mkarray();
char path[BUFSIZ], user[BUFSIZ], device[BUFSIZ];
snprintf(path, BUFSIZ, "%s/last", STORAGEDIR);
// fprintf(stderr, "last_users(%s, %s)\n", (in_user) ? in_user : "******",
// (in_device) ? in_device : "<nil>");
if (user_device_list(path, 0, obj) == 1)
return (obj);
/* Loop through users, devices */
json_foreach(un, obj) {
if (un->tag != JSON_ARRAY)
continue;
strcpy(user, un->key);
json_foreach(dn, un) {
if (dn->tag == JSON_STRING) {
strcpy(device, dn->string_);
} else if (dn->tag == JSON_NUMBER) { /* all digits? */
sprintf(device, "%.lf", dn->number_);
}
if (!in_user && !in_device) {
append_device_details(userlist, user, device);
} else if (in_user && !in_device) {
if (strcmp(user, in_user) == 0) {
append_device_details(userlist, user, device);
}
} else if (in_user && in_device) {
if (strcmp(user, in_user) == 0 && strcmp(device, in_device) == 0) {
append_device_details(userlist, user, device);
}
}
}
}
json_delete(obj);
return (userlist);
}
static int user_device_list(char *name, int level, JsonNode *obj)
{
DIR *dirp;
struct dirent *dp;
char path[BUFSIZ];
JsonNode *devlist;
int rc = 0;
struct stat sb;
if ((dirp = opendir(name)) == NULL) {
perror(name);
return (1);
}
while ((dp = readdir(dirp)) != NULL) {
if (*dp->d_name != '.') {
sprintf(path, "%s/%s", name, dp->d_name);
if (stat(path, &sb) != 0) {
continue;
}
if (!S_ISDIR(sb.st_mode))
continue;
if (level == 0) {
devlist = json_mkarray();
json_append_member(obj, dp->d_name, devlist);
rc = user_device_list(path, level + 1, devlist);
} else if (level == 1) {
json_append_element(obj, json_mkstring(dp->d_name));
}
}
}
closedir(dirp);
return (rc);
}
JsonNode *last_users(char *in_user, char *in_device, JsonNode *fields)
{
JsonNode *obj = json_mkobject();
JsonNode *un, *dn, *userlist = json_mkarray();
char path[BUFSIZ], user[BUFSIZ], device[BUFSIZ];
snprintf(path, BUFSIZ, "%s/last", STORAGEDIR);
// fprintf(stderr, "last_users(%s, %s)\n", (in_user) ? in_user : "******",
// (in_device) ? in_device : "<nil>");
if (user_device_list(path, 0, obj) == 1) {
json_delete(userlist);
return (obj);
}
/* Loop through users, devices */
json_foreach(un, obj) {
if (un->tag != JSON_ARRAY)
continue;
strcpy(user, un->key);
json_foreach(dn, un) {
if (dn->tag == JSON_STRING) {
strcpy(device, dn->string_);
} else if (dn->tag == JSON_NUMBER) { /* all digits? */
sprintf(device, "%.lf", dn->number_);
}
if (!in_user && !in_device) {
append_device_details(userlist, user, device);
} else if (in_user && !in_device) {
if (strcmp(user, in_user) == 0) {
append_device_details(userlist, user, device);
}
} else if (in_user && in_device) {
if (strcmp(user, in_user) == 0 && strcmp(device, in_device) == 0) {
append_device_details(userlist, user, device);
}
}
}
}
json_delete(obj);
/*
* userlist now is an array of user objects. If fields were
* specified, re-create that array with object which have
* only the requested fields. It's a shame we have to re-do
* this here, but I can't think of an alternative way at
* the moment.
*/
if (fields) {
JsonNode *new_userlist = json_mkarray(), *user;
json_foreach(user, userlist) {
JsonNode *o = json_mkobject(), *f, *j;
json_foreach(f, fields) {
char *field_name = f->string_;
if ((j = json_find_member(user, field_name)) != NULL) {
json_copy_element_to_object(o, field_name, j);
}
}
json_append_element(new_userlist, o);
}
