[kamailio/kamailio] pua_json for KEMI framework (#2783) - sr-dev

16 Jun 2021

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 Hello everyone, is module pua_json going to be implemented for KEMI framework?
 I've tried to use KSR.x.modf("pua_json_publish", "json_here") and
I'm getting error

### python code
```
    def ksr_xhttp_event(self, evmsg, evname):
        if evname == "xhttp:request":
            try:
                KSR.err("===== xhttp module triggered event: " + evname +
"\n")
                if "/presence" in KSR.pv.get("$hu"):
                    rb = json.loads(KSR.kx.get_body())
                    if rb["Event-Package"] == "message-summary":
                        KSR.info("request received- " + rb["Call-ID"]
+ "update for: " + rb[
                            "From"] + "request body: " +
json.dumps(rb) + "\n")
                        KSR.x.modf("pua_json_publish", json.dumps(rb));
                        KSR.xhttp.xhttp_reply(200, "OK", "text/html",
"<html><body>Entity state updated</body></html>")
                        return 1
                if "/RCP" in KSR.pv.get("$hu"):
                    KSR.jsonrpcs.dispatch()
                    return 1
                else:
                    KSR.xhttp.xhttp_reply(200, "OK", "text/html",
"<html><body>Wrong URL</body></html>")
                return 1
            except:
                KSR.err("===== unsupported " + evname + "\n")
                return -255
```

#### Debugging Data

```
 app_python [python_support.c:154]: python_handle_exception(): apy_exec:
ksr_xhttp_event(xhttp:request): Unhandled exception in the Python code:
RuntimeError: self is NULL
```

  * **Kamailio Version** - output of `kamailio -v`

```
version: kamailio 5.4.5 (x86_64/linux) c46342
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST,
DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY,
USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR,
USE_DST_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535,
DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: c46342
compiled on 14:37:00 Apr 27 2021 with gcc 7.5.0
```

* **Operating System**:

<!--
Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04,
CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `uname -a`)
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```
Linux ip-10-199-240-110 4.15.0-1057-aws #59-Ubuntu SMP Wed Dec 4 10:02:00 UTC 2019 x86_64
x86_64 x86_64 GNU/Linux
```

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