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-rw-r--r--runtime/msg.c104
1 files changed, 65 insertions, 39 deletions
diff --git a/runtime/msg.c b/runtime/msg.c
index 9d5fa883..c6663c14 100644
--- a/runtime/msg.c
+++ b/runtime/msg.c
@@ -317,7 +317,7 @@ static pthread_mutex_t mutTrimCtr; /* mutex to handle malloc trim */
/* some forward declarations */
static int getAPPNAMELen(msg_t *pM, sbool bLockMutex);
-static rsRetVal jsonPathFindParent(msg_t *pM, uchar *name, uchar *leaf, struct json_object **parent, int bCreate);
+static rsRetVal jsonPathFindParent(struct json_object *jroot, uchar *name, uchar *leaf, struct json_object **parent, int bCreate);
static uchar * jsonPathGetLeaf(uchar *name, int lenName);
static struct json_object *jsonDeepCopy(struct json_object *src);
@@ -2510,9 +2510,9 @@ static uchar *getNOW(eNOWType eNow, struct syslogTime *t)
#undef tmpBUFSIZE /* clean up */
-/* Get a CEE-Property as string value*/
-rsRetVal
-getCEEPropVal(msg_t *pM, es_str_t *propName, uchar **pRes, rs_size_t *buflen, unsigned short *pbMustBeFreed)
+/* Get a JSON-Property as string value (used for various types of JSON-based vars) */
+static rsRetVal
+getJSONPropVal(struct json_object *jroot, es_str_t *propName, uchar **pRes, rs_size_t *buflen, unsigned short *pbMustBeFreed)
{
uchar *name = NULL;
uchar *leaf;
@@ -2524,14 +2524,14 @@ getCEEPropVal(msg_t *pM, es_str_t *propName, uchar **pRes, rs_size_t *buflen, un
free(*pRes);
*pRes = NULL;
// TODO: mutex?
- if(pM->json == NULL) goto finalize_it;
+ if(jroot == NULL) goto finalize_it;
if(!es_strbufcmp(propName, (uchar*)"!", 1)) {
- field = pM->json;
+ field = jroot;
} else {
name = (uchar*)es_str2cstr(propName, NULL);
leaf = jsonPathGetLeaf(name, ustrlen(name));
- CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1));
+ CHKiRet(jsonPathFindParent(jroot, name, leaf, &parent, 1));
field = json_object_object_get(parent, (char*)leaf);
}
if(field != NULL) {
@@ -2550,11 +2550,16 @@ finalize_it:
RETiRet;
}
+rsRetVal
+getCEEPropVal(msg_t *pM, es_str_t *propName, uchar **pRes, rs_size_t *buflen, unsigned short *pbMustBeFreed)
+{
+ return getJSONPropVal(pM->json, propName, pRes, buflen, pbMustBeFreed);
+}
-/* Get a CEE-Property as native json object
- */
+
+/* Get a JSON-based-variable as native json object */
rsRetVal
-msgGetCEEPropJSON(msg_t *pM, es_str_t *propName, struct json_object **pjson)
+msgGetJSONPropJSON(struct json_object *jroot, es_str_t *propName, struct json_object **pjson)
{
uchar *name = NULL;
uchar *leaf;
@@ -2562,17 +2567,17 @@ msgGetCEEPropJSON(msg_t *pM, es_str_t *propName, struct json_object **pjson)
DEFiRet;
// TODO: mutex?
- if(pM->json == NULL) {
+ if(jroot == NULL) {
ABORT_FINALIZE(RS_RET_NOT_FOUND);
}
if(!es_strbufcmp(propName, (uchar*)"!", 1)) {
- *pjson = pM->json;
+ *pjson = jroot;
FINALIZE;
}
name = (uchar*)es_str2cstr(propName, NULL);
leaf = jsonPathGetLeaf(name, ustrlen(name));
- CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1));
+ CHKiRet(jsonPathFindParent(jroot, name, leaf, &parent, 1));
*pjson = json_object_object_get(parent, (char*)leaf);
if(*pjson == NULL) {
ABORT_FINALIZE(RS_RET_NOT_FOUND);
@@ -2583,6 +2588,11 @@ finalize_it:
RETiRet;
}
+rsRetVal
+msgGetCEEPropJSON(msg_t *pM, es_str_t *propName, struct json_object **pjson)
+{
+ return msgGetJSONPropJSON(pM->json, propName, pjson);
+}
/* Encode a JSON value and add it to provided string. Note that
* the string object may be NULL. In this case, it is created
@@ -3648,15 +3658,15 @@ uchar *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe,
}
-/* The function returns a cee variable suitable for use with RainerScript.
+/* The function returns a json variable suitable for use with RainerScript.
* Note: caller must free the returned string.
* Note that we need to do a lot of conversions between es_str_t and cstr -- this will go away once
* we have moved larger parts of rsyslog to es_str_t. Acceptable for the moment, especially as we intend
* to rewrite the script engine as well!
* rgerhards, 2010-12-03
*/
-es_str_t*
-msgGetCEEVarNew(msg_t *pMsg, char *name)
+static es_str_t*
+msgGetJSONVarNew(msg_t *pMsg, struct json_object *jroot, char *name)
{
uchar *leaf;
char *val;
@@ -3665,12 +3675,12 @@ msgGetCEEVarNew(msg_t *pMsg, char *name)
ISOBJ_TYPE_assert(pMsg, msg);
- if(pMsg->json == NULL) {
+ if(jroot == NULL) {
estr = es_newStr(1);
goto done;
}
leaf = jsonPathGetLeaf((uchar*)name, strlen(name));
- if(jsonPathFindParent(pMsg, (uchar*)name, leaf, &parent, 1) != RS_RET_OK) {
+ if(jsonPathFindParent(jroot, (uchar*)name, leaf, &parent, 1) != RS_RET_OK) {
estr = es_newStr(1);
goto done;
}
@@ -3681,6 +3691,11 @@ done:
return estr;
}
+es_str_t*
+msgGetCEEVarNew(msg_t *pMsg, char *name)
+{
+ return msgGetJSONVarNew(pMsg, pMsg->json, name);
+}
/* Return an es_str_t for given message property.
*/
@@ -3853,10 +3868,10 @@ finalize_it:
}
static rsRetVal
-jsonPathFindParent(msg_t *pM, uchar *name, uchar *leaf, struct json_object **parent, int bCreate)
+jsonPathFindParent(struct json_object *jroot, uchar *name, uchar *leaf, struct json_object **parent, int bCreate)
{
DEFiRet;
- *parent = pM->json;
+ *parent = jroot;
while(name < leaf-1) {
jsonPathFindNext(*parent, &name, leaf, parent, bCreate);
}
@@ -3885,7 +3900,7 @@ DBGPRINTF("AAAA jsonMerge adds '%s'\n", it.key);
/* find a JSON structure element (field or container doesn't matter). */
rsRetVal
-jsonFind(msg_t *pM, es_str_t *propName, struct json_object **jsonres)
+jsonFind(struct json_object *jroot, es_str_t *propName, struct json_object **jsonres)
{
uchar *name = NULL;
uchar *leaf;
@@ -3893,17 +3908,17 @@ jsonFind(msg_t *pM, es_str_t *propName, struct json_object **jsonres)
struct json_object *field;
DEFiRet;
- if(pM->json == NULL) {
+ if(jroot == NULL) {
field = NULL;
goto finalize_it;
}
if(!es_strbufcmp(propName, (uchar*)"!", 1)) {
- field = pM->json;
+ field = jroot;
} else {
name = (uchar*)es_str2cstr(propName, NULL);
leaf = jsonPathGetLeaf(name, ustrlen(name));
- CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 0));
+ CHKiRet(jsonPathFindParent(jroot, name, leaf, &parent, 0));
field = json_object_object_get(parent, (char*)leaf);
}
*jsonres = field;
@@ -3913,8 +3928,8 @@ finalize_it:
RETiRet;
}
-rsRetVal
-msgAddJSON(msg_t *pM, uchar *name, struct json_object *json)
+static rsRetVal
+msgAddJSONObj(msg_t *pM, uchar *name, struct json_object *json, struct json_object **pjroot)
{
/* TODO: error checks! This is a quick&dirty PoC! */
struct json_object *parent, *leafnode;
@@ -3923,23 +3938,23 @@ msgAddJSON(msg_t *pM, uchar *name, struct json_object *json)
MsgLock(pM);
if(name[0] == '!' && name[1] == '\0') {
- if(pM->json == NULL)
- pM->json = json;
+ if(*pjroot == NULL)
+ *pjroot = json;
else
- CHKiRet(jsonMerge(pM->json, json));
+ CHKiRet(jsonMerge(*pjroot, json));
} else {
- if(pM->json == NULL) {
+ if(*pjroot == NULL) {
/* now we need a root obj */
- pM->json = json_object_new_object();
+ *pjroot = json_object_new_object();
}
leaf = jsonPathGetLeaf(name, ustrlen(name));
- CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1));
+ CHKiRet(jsonPathFindParent(*pjroot, name, leaf, &parent, 1));
leafnode = json_object_object_get(parent, (char*)leaf);
if(leafnode == NULL) {
json_object_object_add(parent, (char*)leaf, json);
} else {
if(json_object_get_type(json) == json_type_object) {
- CHKiRet(jsonMerge(pM->json, json));
+ CHKiRet(jsonMerge(*pjroot, json));
} else {
//dbgprintf("AAAA: leafnode already exists, type is %d, update with %d\n", (int)json_object_get_type(leafnode), (int)json_object_get_type(json));
/* TODO: improve the code below, however, the current
@@ -3970,7 +3985,12 @@ finalize_it:
}
rsRetVal
-msgDelJSON(msg_t *pM, uchar *name)
+msgAddJSON(msg_t *pM, uchar *name, struct json_object *json) {
+ return msgAddJSONObj(pM, name, json, &pM->json);
+}
+
+rsRetVal
+msgDelJSONVar(msg_t *pM, struct json_object **jroot, uchar *name)
{
struct json_object *parent, *leafnode;
uchar *leaf;
@@ -3983,15 +4003,15 @@ dbgprintf("AAAA: unset variable '%s'\n", name);
* we trust rsyslog.conf to be written by the admin.
*/
DBGPRINTF("unsetting JSON root object\n");
- json_object_put(pM->json);
- pM->json = NULL;
+ json_object_put(*jroot);
+ *jroot = NULL;
} else {
- if(pM->json == NULL) {
+ if(*jroot == NULL) {
/* now we need a root obj */
- pM->json = json_object_new_object();
+ *jroot = json_object_new_object();
}
leaf = jsonPathGetLeaf(name, ustrlen(name));
- CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1));
+ CHKiRet(jsonPathFindParent(*jroot, name, leaf, &parent, 1));
leafnode = json_object_object_get(parent, (char*)leaf);
DBGPRINTF("AAAA: unset found JSON value path '%s', " "leaf '%s', leafnode %p\n", name, leaf, leafnode);
if(leafnode == NULL) {
@@ -4010,6 +4030,12 @@ finalize_it:
RETiRet;
}
+rsRetVal
+msgDelJSON(msg_t *pM, uchar *name)
+{
+ return msgDelJSONVar(pM, &pM->json, name);
+}
+
static struct json_object *
jsonDeepCopy(struct json_object *src)
{
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-18 08:53:13 +0000