Merge pull request #26 from Trumeet/patch_add_reassm

la_acars_format_json(): add reassembly status

Author: szpajder

doc/API_REFERENCE.md

@@ -183,10 +183,13 @@ A structure representing a decoded ACARS message.
 - `crc_ok` - `true` if ACARS CRC verification succeeded, `false` otherwise.
 - `err` - `true` if the decoder failed to decode the message. Values of other
   fields are left uninitialized.
-- `final_block` - `true` if the message text is terminated with ETX character
-  (meaning it's the final block of a multiblock ACARS message), `false` if
+- `more` - `false` if the message text is terminated with ETX character
+  (meaning it's the final block of a multiblock ACARS message), `true` if
   it has been terminated with ETB character (meaning there are more blocks
   left in this message)
+- `reassembly` - multi-block message reassembly status. One of: `unknown`,
+  `complete`, `in progress`, `skipped`, `duplicate`, `out of sequence`,
+  `invalid args`.
 - `mode` - mode character
 - `reg` - aircraft registration number (NULL-terminated)
 - `ack` - acknowledgement character

libacars/acars.c

@@ -559,6 +559,7 @@ void la_acars_format_json(la_vstring *vstr, void const *data) {
 	}
 	la_json_append_bool(vstr, "crc_ok", msg->crc_ok);
 	la_json_append_bool(vstr, "more", !msg->final_block);
+	la_json_append_string(vstr, "reassembly", la_reasm_status_name_get(msg->reasm_status));
 	la_json_append_string(vstr, "reg", msg->reg);
 	la_json_append_char(vstr, "mode", msg->mode);
 	la_json_append_string(vstr, "label", msg->label);