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Add ast_db_freetree and ast_db_gettree

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@843 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-04-13 04:17:45 +00:00
parent aae534130b
commit 523d20a573
2 changed files with 79 additions and 1 deletions
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70
db.c
View File

@@ -294,7 +294,7 @@ static int database_show(int fd, int argc, char *argv[])
values = data.data; values = data.data;
values[data.size - 1]='\0'; values[data.size - 1]='\0';
} else } else
values = "<vad value>"; values = "<bad value>";
if (keymatch(keys, prefix)) { if (keymatch(keys, prefix)) {
ast_cli(fd, "%-50s: %-25s\n", keys, values); ast_cli(fd, "%-50s: %-25s\n", keys, values);
} }
@@ -303,6 +303,74 @@ static int database_show(int fd, int argc, char *argv[])
return RESULT_SUCCESS; return RESULT_SUCCESS;
} }
struct ast_db_entry *ast_db_gettree(const char *family, const char *keytree)
{
char prefix[256];
DBT key, data;
char *keys, *values;
int res;
int pass;
struct ast_db_entry *last = NULL;
struct ast_db_entry *cur, *ret=NULL;
if (family && strlen(family)) {
if (keytree && strlen(keytree))
/* Family and key tree */
snprintf(prefix, sizeof(prefix), "/%s/%s", family, prefix);
else
/* Family only */
snprintf(prefix, sizeof(prefix), "/%s", family);
} else
strcpy(prefix, "");
ast_pthread_mutex_lock(&dblock);
if (dbinit()) {
ast_pthread_mutex_unlock(&dblock);
ast_log(LOG_WARNING, "Database unavailable\n");
return NULL;
}
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
pass = 0;
while(!(res = astdb->seq(astdb, &key, &data, pass++ ? R_NEXT : R_FIRST))) {
if (key.size) {
keys = key.data;
keys[key.size - 1] = '\0';
} else
keys = "<bad key>";
if (data.size) {
values = data.data;
values[data.size - 1]='\0';
} else
values = "<bad value>";
if (keymatch(keys, prefix)) {
cur = malloc(sizeof(struct ast_db_entry) + strlen(keys) + strlen(values) + 2);
if (cur) {
cur->next = NULL;
cur->key = cur->data + strlen(values) + 1;
strcpy(cur->data, values);
strcpy(cur->key, keys);
if (last)
last->next = cur;
else
ret = cur;
last = cur;
}
}
}
ast_pthread_mutex_unlock(&dblock);
return ret;
}
void ast_db_freetree(struct ast_db_entry *dbe)
{
struct ast_db_entry *last;
while(dbe) {
last = dbe;
dbe = dbe->next;
free(last);
}
}
static char database_show_usage[] = static char database_show_usage[] =
"Usage: database show [family [keytree]]\n" "Usage: database show [family [keytree]]\n"
" Shows Asterisk database contents, optionally restricted\n" " Shows Asterisk database contents, optionally restricted\n"

10
include/asterisk/astdb.h
View File

@@ -18,6 +18,12 @@
extern "C" { extern "C" {
#endif #endif
struct ast_db_entry {
struct ast_db_entry *next;
char *key;
char data[0];
};
int ast_db_get(const char *family, const char *key, char *out, int outlen); int ast_db_get(const char *family, const char *key, char *out, int outlen);
int ast_db_put(const char *family, const char *key, char *value); int ast_db_put(const char *family, const char *key, char *value);
@@ -26,6 +32,10 @@ int ast_db_del(const char *family, const char *key);
int ast_db_deltree(const char *family, const char *keytree); int ast_db_deltree(const char *family, const char *keytree);
struct ast_db_entry *ast_db_gettree(const char *family, const char *keytree);
void ast_db_freetree(struct ast_db_entry *entry);
#if defined(__cplusplus) || defined(c_plusplus) #if defined(__cplusplus) || defined(c_plusplus)
} }
#endif #endif