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Modules: handle the busy module name

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This commit is contained in:
zhaozhao.zz
2017-09-28 17:38:40 +08:00
parent cb9dde3280
commit 6dffc1b7a3
2 changed files with 19 additions and 2 deletions
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16
src/module.c
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@ -650,7 +650,7 @@ int RM_CreateCommand(RedisModuleCtx *ctx, const char *name, RedisModuleCmdFunc c
*
* This is an internal function, Redis modules developers don't need
* to use it. */
void RM_SetModuleAttribs(RedisModuleCtx *ctx, const char *name, int ver, int apiver){
void RM_SetModuleAttribs(RedisModuleCtx *ctx, const char *name, int ver, int apiver) {
RedisModule *module;
if (ctx->module != NULL) return;
@ -662,6 +662,19 @@ void RM_SetModuleAttribs(RedisModuleCtx *ctx, const char *name, int ver, int api
ctx->module = module;
}
/* Return non-zero if the module name is busy.
* Otherwise zero is returned. */
int RM_IsModuleNameBusy(const char *name) {
sds modulename = sdsnew(name);
/* Check if the module name is busy. */
if (dictFind(modules,modulename) != NULL) {
sdsfree(modulename);
return 1;
}
return 0;
}
/* Return the current UNIX time in milliseconds. */
long long RM_Milliseconds(void) {
return mstime();
@ -3835,6 +3848,7 @@ void moduleRegisterCoreAPI(void) {
REGISTER_API(Strdup);
REGISTER_API(CreateCommand);
REGISTER_API(SetModuleAttribs);
REGISTER_API(IsModuleNameBusy);
REGISTER_API(WrongArity);
REGISTER_API(ReplyWithLongLong);
REGISTER_API(ReplyWithError);