Examples for MIDAS Javascript functions

List of mhttpd.js functions

For full documentation, go here: https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js

List of functions used in this example:

mjsonrpc_set_url(url);
mjsonrpc_db_get_values(paths);
mjsonrpc_db_copy(paths);
mjsonrpc_db_paste(paths, values);
mjsonrpc_db_ls(paths); 
mjsonrpc_db_create(specs);
mjsonrpc_db_resize(paths, new_lengths);
mjsonrpc_db_key(paths);
test db_rename
test db_link
test db_reorder
mjsonrpc_db_delete(paths); 
mjsonrpc_cm_msg(message);
test cm_exist()
test cm_shutdown()
test start_program()
test al_trigger_alarm()  
test al_reset_alarm()  
test get_alarms() 
test jrpc() 
--- ODBSet(path, value, pwdname); ---- use mjsonrpc_db_paste() instead
--- ODBGet(path, format, defval, len, type); ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead
--- ODBMGet(paths, callback, formats); ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead
--- ODBGetRecord(path); ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead
--- ODBExtractRecord(record, key); ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead
--- new ODBKey(path); ---- use ODBMKey() instead
--- ODBCopy(path, format); ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead
--- ODBMCopy(paths, callback, format); ---- use mjsonrpc_db_get_values() instead
--- ODBMLs(paths, callback); ---- use mjsonrpc_db_ls() instead
--- ODBMCreate(paths, types); ---- use mjsonrpc_db_create() instead
--- ODBMCreate(paths, types, arraylengths, stringlengths, callback); ---- use mjsonrpc_db_create() instead
--- ODBMResize(paths, arraylengths, stringlengths, callback); ---- use mjsonrpc_db_resize() instead
--- ODBMRename(paths, names, callback);  ---- use RPC "db_rename"
--- ODBMLink(paths, links, callback);  ---- use RPC "db_link"
--- ODBMReorder(paths, indices, callback); ---- use RPC "db_reorder"
--- ODBMKey(paths, callback); ---- use mjsonrpc_db_key() instead
--- ODBMDelete(paths, callback); ---- use mjsonrpc_db_delete() instead
--- ODBRpc(name, command, args[, callback[, max_reply_length]]); ---- use RPC "jrpc"
ODBGetMsg(n);
--- ODBGenerateMsg(m); ---- use mjsonrpc_cm_msg() instead
--- ODBGetAlarms(); ---- use mjsonrpc_call("get_alarms")
ODBEdit(path);

Example custom page starts here

Last updated: never

• mhttpd <odb> tag

  This data is updated by web page reload - press your web browser "reload" button

  Settings/Example_int:

  Variables/SLOW[2]:

• mjsonrpc_db_get_values()

  • JSON data:
  • db_get_values() status:
  • Runinfo/State:
  • Run number:
  • Settings/example_int:
  • SLOW[0]:
  • SLOW[1]:
  • SLOW[2]:
  • data age:

• mjsonrpc_db_get_values() omit all optional information to reduce data size

  • JSON data:

• mjsonrpc_db_copy()

  • JSON data:

• mjsonrpc_db_paste()

• mjsonrpc_db_ls()

  • Status:
  • /Equipment:
  • /Test:

• mjsonrpc_db_create()

• mjsonrpc_db_resize()

• mjsonrpc_db_key()

  • JSON data:

• mjsonrpc_db_rename()

• mjsonrpc_db_link()

• mjsonrpc_db_reorder()

• mjsonrpc_db_delete()

• mjsonrpc_cm_msg()

  Type in a message and press Enter. See the new message on the MIDAS "messages" page or press "Get MIDAS messages" button in the ODBGetMsg() section above

• javascript code to update the data on the page

• ODBGet() ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead

  This data is updated by the javascript update() function - press the "update now" button above

  Settings/Example_int: not loaded yet

  Variables/SLOW[2]: not loaded yet

• ODBMGet() ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead

  This data is updated by the javascript update() function - press the "update now" button above

  Settings/Example_int: not loaded yet

  Variables/SLOW[2]: not loaded yet

• ODBGetRecord() and ODBExtractRecord() ---- use ODBMCopy() instead ---- use mjsonrpc_db_get_values() instead

  (empty)
          

  (empty)
          

  (empty)
          

• ODBKey() ---- use ODBMKey() instead

  (empty)
          

  (empty)
          

• ODBCopy() --- use ODBMCopy() instead ---- use mjsonrpc_db_copy() instead

  Data in ODB format:

  (empty)
          

  Data in XML format:

  (empty)
          

  Data in JSON format:

  (empty)
          

• Using JSON data from ODBCopy() ---- use ODBMCopy() instead

  • JSON data:

  • SLOW[0]:
  • SLOW[1]:
  • SLOW[2]:
  • data age:

• ODBCopy() through JSON-P ---- use ODBMCopy() instead

  • JSON data:
  • SLOW[0]:
  • SLOW[1]:
  • SLOW[2]:
  • data age:

• ODBMCopy() ---- use mjsonrpc_db_get_values() instead

  Paths:

  (empty)
          

  Data in ODB format:

  (empty)
          

  Data in XML format:

  (empty)
          

  Data in JSON format:

  (empty)
          

  Data in JSON-P format:

  (empty)
          

  Data in JSON-P format without KEY data:

  (empty)
          

• ODBMCopy() with callback or through JSON-P

  • JSON data:
  • Runinfo/State:
  • Run number:
  • Settings/example_int:
  • SLOW[0]:
  • SLOW[1]:
  • SLOW[2]:
  • data age:

• ODBMLs()

  Reply:

• ODBMCreate()

  Reply:

• ODBMCreate() arrays

  Reply:

• ODBMResize() arrays

  Reply:

• ODBMRename()

  Reply:

• ODBMLink()

  Reply:

• ODBMReorder()

  Reply:

• ODBMKey()

  Reply:

• ODBMDelete()

  Reply:

• ODBSet() ---- use mjsonrpc_db_paste() instead

  Press these buttons to write new values to ODB. ODB variables of appropriate type have to be created before calling ODBSet(). Observe updated values in the ODBGet() section above.

  Set Settings/Example_int to:

  Set Settings/Example_int to any value: (type in any value and press Enter)

• ODBEdit()

  Observe updated values in the ODBGet() section above. (Hint: press the "update now" button above)

• ODBRpc()

  Call the rpc_callback function in fejrpc.cxx:

  Data returned by the RPC call:

  Observe the output of the example rpc handler in midas messages or in the ODBGetMsg() section below

• ODBGetMsg() ---- this example is broken

  (empty)
          

• ODBGenerateMsg() ---- this example is broken ---- use mjsonrpc_cm_msg() instead

  Type in a message and press Enter. See the new message on the MIDAS "messages" page or press "Get MIDAS messages" button in the ODBGetMsg() section above

• ODBGetAlarms()

  (empty)
          

• Test JSON RPC calls

  Test built-in functions:

  Test error responses:

  Test examples from mjsonrpc_user.cxx

  test other stuff

  test mjsonrpc_db_get_values() crash

  test mjsonrpc_db_paste() korner cases

  nan and inf

• mjsonrpc_al_trigger_alarm()

• mjsonrpc_al_reset_alarm()

• mjsonrpc_get_alarms()

  • Alarms:

• mjsonrpc_jrpc()

  (note: frontend "fetest" should be running)

  • JRPC:

• mjsonrpc_get_schema()

  • JSON-RPC schema: