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Aurora.3/code/game/objects/items/devices/uplink.dm
skull132 a3ec0cf45d Better SQL prepared statements (#2474)
The system used to be of complexity O(n^2). Essentially two for loops running per every argument. Which ended up being surprisingly slow (there were instances where I saw the argument parser as using quite a lot of CPU time).

This replaces it with a more linear algorithm. It's somewhere near O(n) where n is the length of the unparsed query. Which is more stable and faaaster. This comes with two changes, however:

Parameters inside the query now have to be delimited from both sides with : (colons). The alternative to this would be to use something like $n or just assume that space marks the end of a marker. Only the former is workable, the latter would break a few queries already.
Arguments in the argument array no longer have to be prefixed by : (colons). So, while in the query you would write :thing:, you'd initialize the array of args as: list("thing" = somevar). It could be made to work without it, but eh, I think this is fine.
Argument validation is slightly weaker. What I mean by this is that with the old system, unused keys would result in an error. This is no longer a thing. Missing keys will still result in an error, however.
One more improvement: double delimiting removes an edge case where if key A partially covers key B, depending on the order, key A would mangle key B.
Updated and tested all queries that I could find. So this should be good.
2017-05-29 21:17:41 +03:00

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//This could either be split into the proper DM files or placed somewhere else all together, but it'll do for now -Nodrak
/*
A list of items and costs is stored under the datum of every game mode, alongside the number of crystals, and the welcoming message.
*/
/obj/item/device/uplink
var/welcome = "Welcome, Operative" // Welcoming menu message
var/uses // Numbers of crystals
var/list/ItemsCategory // List of categories with lists of items
var/list/ItemsReference // List of references with an associated item
var/list/nanoui_items // List of items for NanoUI use
var/nanoui_menu = 0 // The current menu we are in
var/list/nanoui_data = new // Additional data for NanoUI use
var/list/purchase_log = new
var/datum/mind/uplink_owner = null
var/used_TC = 0
/obj/item/device/uplink/nano_host()
return loc
/obj/item/device/uplink/New(var/location, var/datum/mind/owner, var/telecrystals = DEFAULT_TELECRYSTAL_AMOUNT)
..()
src.uplink_owner = owner
purchase_log = list()
world_uplinks += src
uses = telecrystals
/obj/item/device/uplink/Destroy()
world_uplinks -= src
return ..()
// HIDDEN UPLINK - Can be stored in anything but the host item has to have a trigger for it.
/* How to create an uplink in 3 easy steps!
1. All obj/item 's have a hidden_uplink var. By default it's null. Give the item one with "new(src)", it must be in it's contents. Feel free to add "uses".
2. Code in the triggers. Use check_trigger for this, I recommend closing the item's menu with "usr << browse(null, "window=windowname") if it returns true.
The var/value is the value that will be compared with the var/target. If they are equal it will activate the menu.
3. If you want the menu to stay until the users locks his uplink, add an active_uplink_check(mob/user as mob) in your interact/attack_hand proc.
Then check if it's true, if true return. This will stop the normal menu appearing and will instead show the uplink menu.
*/
/obj/item/device/uplink/hidden
name = "hidden uplink"
desc = "There is something wrong if you're examining this."
var/active = 0
var/datum/uplink_category/category = 0 // The current category we are in
var/exploit_id // Id of the current exploit record we are viewing
// The hidden uplink MUST be inside an obj/item's contents.
/obj/item/device/uplink/hidden/New()
spawn(2)
if(!istype(src.loc, /obj/item))
qdel(src)
..()
nanoui_data = list()
update_nano_data()
// Toggles the uplink on and off. Normally this will bypass the item's normal functions and go to the uplink menu, if activated.
/obj/item/device/uplink/hidden/proc/toggle()
active = !active
// Directly trigger the uplink. Turn on if it isn't already.
/obj/item/device/uplink/hidden/proc/trigger(mob/user as mob)
if(!active)
toggle()
interact(user)
// Checks to see if the value meets the target. Like a frequency being a traitor_frequency, in order to unlock a headset.
// If true, it accesses trigger() and returns 1. If it fails, it returns false. Use this to see if you need to close the
// current item's menu.
/obj/item/device/uplink/hidden/proc/check_trigger(mob/user as mob, var/value, var/target)
if(value == target)
trigger(user)
return 1
return 0
/*
NANO UI FOR UPLINK WOOP WOOP
*/
/obj/item/device/uplink/hidden/ui_interact(mob/user, ui_key = "main", var/datum/nanoui/ui = null, var/force_open = 1)
var/title = "Remote Uplink"
var/data[0]
data["welcome"] = welcome
data["crystals"] = uses
data["menu"] = nanoui_menu
data += nanoui_data
// update the ui if it exists, returns null if no ui is passed/found
ui = SSnanoui.try_update_ui(user, src, ui_key, ui, data, force_open)
if (!ui) // No auto-refresh
ui = new(user, src, ui_key, "uplink.tmpl", title, 450, 600, state = inventory_state)
ui.set_initial_data(data)
ui.open()
// Interaction code. Gathers a list of items purchasable from the paren't uplink and displays it. It also adds a lock button.
/obj/item/device/uplink/hidden/interact(mob/user)
ui_interact(user)
/obj/item/device/uplink/hidden/CanUseTopic()
if(!active)
return STATUS_CLOSE
return ..()
// The purchasing code.
/obj/item/device/uplink/hidden/Topic(href, href_list)
if(..())
return 1
var/mob/user = usr
if(href_list["buy_item"])
var/datum/uplink_item/UI = (locate(href_list["buy_item"]) in uplink.items)
UI.buy(src, usr)
else if(href_list["lock"])
toggle()
var/datum/nanoui/ui = SSnanoui.get_open_ui(user, src, "main")
ui.close()
else if(href_list["return"])
nanoui_menu = round(nanoui_menu/10)
else if(href_list["menu"])
nanoui_menu = text2num(href_list["menu"])
if(href_list["id"])
exploit_id = href_list["id"]
if(href_list["category"])
category = locate(href_list["category"]) in uplink.categories
// #TODO-MERGE: Check NanoUI on PDAs
if(href_list["contract_interact"])
var/list/params = list("location" = "contract_details", "contract" = href_list["contract_interact"])
usr.client.process_webint_link("interface/login/sso_server", list2params(params))
if(href_list["contract_page"])
nanoui_data["contracts_current_page"] = text2num(href_list["contract_page"])
update_nano_data()
if(href_list["contract_view"])
nanoui_data["contracts_view"] = text2num(href_list["contract_view"])
nanoui_data["contracts_current_page"] = 1
update_nano_data()
update_nano_data()
return 1
/obj/item/device/uplink/hidden/proc/update_nano_data()
if(nanoui_menu == 0)
var/categories[0]
for(var/datum/uplink_category/category in uplink.categories)
if(category.can_view(src))
categories[++categories.len] = list("name" = category.name, "ref" = "\ref[category]")
nanoui_data["categories"] = categories
else if(nanoui_menu == 1)
var/items[0]
for(var/datum/uplink_item/item in category.items)
if(item.can_view(src))
var/cost = item.cost(uses)
if(!cost) cost = "???"
items[++items.len] = list("name" = item.name, "description" = replacetext(item.description(), "\n", "<br>"), "can_buy" = item.can_buy(src), "cost" = cost, "ref" = "\ref[item]")
nanoui_data["items"] = items
else if(nanoui_menu == 2)
var/permanentData[0]
for(var/datum/data/record/L in sortRecord(data_core.locked))
permanentData[++permanentData.len] = list(Name = L.fields["name"],"id" = L.fields["id"])
nanoui_data["exploit_records"] = permanentData
else if(nanoui_menu == 21)
nanoui_data["exploit_exists"] = 0
for(var/datum/data/record/L in data_core.locked)
if(L.fields["id"] == exploit_id)
nanoui_data["exploit"] = list() // Setting this to equal L.fields passes it's variables that are lists as reference instead of value.
// We trade off being able to automatically add shit for more control over what gets passed to json
// and if it's sanitized for html.
nanoui_data["exploit"]["nanoui_exploit_record"] = html_encode(L.fields["exploit_record"]) // Change stuff into html
nanoui_data["exploit"]["nanoui_exploit_record"] = replacetext(nanoui_data["exploit"]["nanoui_exploit_record"], "\n", "<br>") // change line breaks into <br>
nanoui_data["exploit"]["name"] = html_encode(L.fields["name"])
nanoui_data["exploit"]["sex"] = html_encode(L.fields["sex"])
nanoui_data["exploit"]["age"] = html_encode(L.fields["age"])
nanoui_data["exploit"]["species"] = html_encode(L.fields["species"])
nanoui_data["exploit"]["rank"] = html_encode(L.fields["rank"])
nanoui_data["exploit"]["home_system"] = html_encode(L.fields["home_system"])
nanoui_data["exploit"]["citizenship"] = html_encode(L.fields["citizenship"])
nanoui_data["exploit"]["faction"] = html_encode(L.fields["faction"])
nanoui_data["exploit"]["religion"] = html_encode(L.fields["religion"])
nanoui_data["exploit"]["fingerprint"] = html_encode(L.fields["fingerprint"])
nanoui_data["exploit_exists"] = 1
break
else if(nanoui_menu == 3)
nanoui_data["contracts_found"] = 0
establish_db_connection(dbcon)
if (dbcon.IsConnected())
nanoui_data["contracts"] = list()
if (!nanoui_data["contracts_current_page"])
nanoui_data["contracts_current_page"] = 1
if (!nanoui_data["contracts_view"])
nanoui_data["contracts_view"] = 1
var/query_details[0]
switch (nanoui_data["contracts_view"])
if (1)
query_details["status"] = "open"
if (2)
query_details["status"] = "closed"
else
nanoui_data["contracts_view"] = 1
query_details["status"] = "open"
var/DBQuery/index_query = dbcon.NewQuery("SELECT count(*) as Total_Contracts FROM ss13_syndie_contracts WHERE deleted_at IS NULL AND status = :status:")
index_query.Execute(query_details)
var/pages = 0
if (index_query.NextRow())
var/total_contracts = text2num(index_query.item[1])
pages = total_contracts / 10
if (total_contracts % 10)
pages++
pages = round(pages)
var/list/contracts_pages = list()
for (var/i = 1, i <= pages, i++)
contracts_pages.Add(i)
for (var/a in contracts_pages)
nanoui_data["contracts_pages"] = contracts_pages
if (nanoui_data["contracts_current_page"] > pages)
return
query_details["offset"] = (nanoui_data["contracts_current_page"] - 1) * 10
var/DBQuery/list_query = dbcon.NewQuery("SELECT contract_id, contractee_name, title FROM ss13_syndie_contracts WHERE deleted_at IS NULL AND status = :status: LIMIT 10 OFFSET :offset:")
list_query.Execute(query_details)
var/list/contracts = list()
while (list_query.NextRow())
contracts.Add(list(list("id" = list_query.item[1],
"contractee" = list_query.item[2],
"title" = list_query.item[3])))
nanoui_data["contracts"] = contracts
nanoui_data["contracts_found"] = 1
if(nanoui_menu == 31)
nanoui_data["contracts_found"] = 0
establish_db_connection(dbcon)
if (dbcon.IsConnected())
nanoui_data["contracts"] = list()
if (!nanoui_data["contracts_current_page"])
nanoui_data["contracts_current_page"] = 1
if (!nanoui_data["contracts_view"])
nanoui_data["contracts_view"] = 1
var/query_details[0]
query_details["contract_id"] = exploit_id
var/DBQuery/select_query = dbcon.NewQuery("SELECT contract_id, contractee_name, status, title, description, reward_other FROM ss13_syndie_contracts WHERE contract_id = :contract_id:")
select_query.Execute(query_details)
if (select_query.NextRow())
nanoui_data["contracts_found"] = 1
var/contract[0]
contract["id"] = select_query.item[1]
contract["contractee"] = select_query.item[2]
switch (select_query.item[3])
if ("open")
contract["status"] = "1"
else
contract["status"] = "0"
contract["title"] = html_encode(select_query.item[4])
contract["description"] = select_query.item[5]
contract["description"] = html_encode(contract["description"])
contract["description"] = replacetext(contract["description"], "\n", "<br>")
contract["description"] = replacetext(contract["description"], ascii2text(13), "")
contract["reward_other"] = select_query.item[6]
nanoui_data["contract"] = contract
// I placed this here because of how relevant it is.
// You place this in your uplinkable item to check if an uplink is active or not.
// If it is, it will display the uplink menu and return 1, else it'll return false.
// If it returns true, I recommend closing the item's normal menu with "user << browse(null, "window=name")"
/obj/item/proc/active_uplink_check(mob/user as mob)
// Activates the uplink if it's active
if(src.hidden_uplink)
if(src.hidden_uplink.active)
src.hidden_uplink.trigger(user)
return 1
return 0
// PRESET UPLINKS
// A collection of preset uplinks.
//
// Includes normal radio uplink, multitool uplink,
// implant uplink (not the implant tool) and a preset headset uplink.
/obj/item/device/radio/uplink/New()
hidden_uplink = new(src)
icon_state = "radio"
/obj/item/device/radio/uplink/attack_self(mob/user as mob)
if(hidden_uplink)
hidden_uplink.trigger(user)
/obj/item/device/multitool/uplink/New()
hidden_uplink = new(src)
/obj/item/device/multitool/uplink/attack_self(mob/user as mob)
if(hidden_uplink)
hidden_uplink.trigger(user)
/obj/item/device/radio/headset/uplink
traitor_frequency = 1445
/obj/item/device/radio/headset/uplink/New()
..()
hidden_uplink = new(src)
hidden_uplink.uses = DEFAULT_TELECRYSTAL_AMOUNT
/*
* A simple device for accessing the SQL based contract database
*/
/obj/item/device/contract_uplink
name = "contract uplink"
desc = "A small device used for access restricted sites in the remote corners of the Extranet."
icon = 'icons/obj/radio.dmi'
icon_state = "radio"
flags = CONDUCT
w_class = 2
/obj/item/device/contract_uplink/New()
..()
hidden_uplink = new(src)
hidden_uplink.uses = 0
hidden_uplink.nanoui_menu = 3
/obj/item/device/contract_uplink/attack_self(mob/user as mob)
if (hidden_uplink)
hidden_uplink.trigger(user)