FWIW, the total response size according to Content-Length is close to 1 MB:

--
Header says content-length is: 737406
Chunked: 5660
Chunked: 14348
Chunked: 17244
ABORT!
Runtime RPC client error: JSON parse error - SyntaxError: Unexpected end of input
--

The "ABORT!" comes from an event fired when the server (Kamailio) aborts the connection and closes the socket.

-- Alex

On 08/09/2016 12:27 PM, Alex Balashov wrote:

Hi,

I'm requesting 'dlg.list' from JSONRPC-S via XHTTP on a rather busy
server, i.e.

event_route[xhttp:request] {
        xlog("L_INFO", 'action=ER-XHTTP-REQUEST | ret=LOG_HTTP_REQ |
data={"method": "$rm", "path": "$hu", "source": "$si:$sp"}');

        # Digest challenge omitted.

        if($hu =~ "^/rpc") {
                xlog("L_INFO", 'action=ER-XHTTP-REQUEST |
ret=JSON_RPC_REQUEST | data={"path": "$hu"}');

                jsonrpc_dispatch();
        } else {
                xhttp_reply("404", "Not Found", "text/html", "");
        }
}

# curl --digest -v \
  -X POST -H 'Content-Type: application/json' \
  -H 'Call-ID: abc12' \
  -d '{"jsonrpc": "2.0", "method": "dlg.list", "id": "0deadb33f"}' \
  'http://sipus_adm:raSheinmet4@10.0.62.74:5060/csrp_rpc/'

and finding that when there's more than a hundred or so dialogs in play,
Kamailio abruptly closes the connection in the middle of returning the
output:

-----
                "tag":    "AF5DA9B4-6D5",
                "contact":    "sip:14045551...@xxx.xxx.xxx.xxx:5060",
                "cseq":    "0",
                "route_set":    "",
                "socket":    "udp:xxx.xxx.xxx.xxx:5060"
            },
* transfer closed with 151674 bytes remaining to read
* Closing connection #0
curl: (18) transfer closed with 151674 bytes remaining to read
            "profiles":    ["total",[root@proxy kamailio]#
------

I can't seem to figure out what parameters regulate this. I'm using the
following TCP settings:

tcp_async=yes
tcp_connect_timeout=5
tcp_crlf_ping=no
tcp_keepalive=yes
tcp_keepidle=30
tcp_linger2=10
tcp_max_connections=4096
tcp_send_timeout=3
tcp_accept_no_cl=yes
tcp_wq_blk_size=65535
tcp_wq_max=20971520

But this doesn't seem to have had any effect.

Any help appreciated!

Thanks,

-- Alex



--
Alex Balashov | Principal | Evariste Systems LLC
1447 Peachtree Street NE, Suite 700
Atlanta, GA 30309
United States

Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/

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