Hi Daniel,
I am currently working on Json_server plugin. I already added few
configuration variable which are dynamic.
Recently I have added a variable "max_threads" (of integer type) and want
to make it dynamic. So I tried the same way.
The problem I faced :
context.registerVariable(new
sys_var_uint32_t_ptr("max_thread",&max_threads,&updateMaxThreads));
context("max_thread",
po::value<uint32_t>(&max_thread)->default_value(DEFAULT_MAX_THREADS),
_("Maximum threads in use by json server"));
The only match for this function is updateMaxThreads(Session *,* sql_var_t*
).
bool updateMaxThreads(Session *, *set_var* var*)
{
if (not var->value->str_value.empty())
{
*// Get new value given by user.*
uint32_t new_max_threads= atoi(var->value->str_value.data());
* // creating the threads using the new value*
if(server->createThreads(new_max_threads))
{
max_threads=new_max_threads;
return false; //success
}
errmsg_printf(error::ERROR, _("json_server_max_thread cannot be smaller
than previous configured value"));
return true;//error
}
errmsg_printf(error::ERROR, _("json_server_schema cannot be NULL"));
return true; // error
}
How can I design same function with sql_var_t as argument.?
I already chech sys_var.h , there is no function which can be use in this
way.
Thanks
--
Mohit
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