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Add support for multiple runtime error messages

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Storing all the runtime errors makes it possible to return all of them
them via the REST API. MaxAdmin will still only show the latest error but
MaxCtrl will now show all errors if more than one error occurs.
This commit is contained in:
Markus Mäkelä
2019-03-21 11:47:21 +02:00
parent 74eeb64fba
commit 203bba0e1d
24 changed files with 57 additions and 165 deletions
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24
server/core/config_runtime.cc
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@ -29,7 +29,7 @@
#include <maxbase/atomic.h>
#include <maxscale/clock.h>
#include <maxscale/jansson.hh>
#include <maxscale/json_api.h>
#include <maxscale/json_api.hh>
#include <maxscale/paths.h>
#include <maxscale/router.hh>
#include <maxscale/users.h>
@ -50,23 +50,31 @@ using maxscale::Monitor;
static std::mutex crt_lock;
#define RUNTIME_ERRMSG_BUFSIZE 512
thread_local char runtime_errmsg[RUNTIME_ERRMSG_BUFSIZE];
thread_local std::vector<std::string> runtime_errmsg;
typedef std::function<bool (const std::string&, const std::string&)> JsonValidator;
typedef std::pair<const char*, JsonValidator> Relationship;
void config_runtime_error(const char* fmt, ...)
{
char errmsg[RUNTIME_ERRMSG_BUFSIZE];
va_list list;
va_start(list, fmt);
vsnprintf(runtime_errmsg, sizeof(runtime_errmsg), fmt, list);
vsnprintf(errmsg, sizeof(errmsg), fmt, list);
va_end(list);
runtime_errmsg.push_back(errmsg);
}
static std::string runtime_get_error()
{
std::string rval(runtime_errmsg);
runtime_errmsg[0] = '\0';
std::string rval;
if (!runtime_errmsg.empty())
{
rval = runtime_errmsg.back();
runtime_errmsg.clear();
}
return rval;
}
@ -2779,11 +2787,11 @@ bool runtime_create_listener_from_json(Service* service, json_t* json)
json_t* runtime_get_json_error()
{
json_t* obj = NULL;
std::string errmsg = runtime_get_error();
if (errmsg.length())
if (!runtime_errmsg.empty())
{
obj = mxs_json_error(errmsg.c_str());
obj = mxs_json_error(runtime_errmsg);
runtime_errmsg.clear();
}
return obj;