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Merge pull request #34513 from optimumtact/hostwiththemost

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Move roundid and schema check to dbcore subsystem
This commit is contained in:
Jordan Brown
2018-01-19 10:17:38 -05:00
committed by CitadelStationBot
parent c6f227fc18
commit bcfbe4d14a
2 changed files with 50 additions and 34 deletions
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code/controllers/subsystem/dbcore.dm
+44 -1
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@@ -1,6 +1,6 @@
SUBSYSTEM_DEF(dbcore)
name = "Database"
flags = SS_NO_INIT|SS_NO_FIRE
flags = SS_NO_FIRE
init_order = INIT_ORDER_DBCORE
var/const/FAILED_DB_CONNECTION_CUTOFF = 5
@@ -17,6 +17,9 @@ SUBSYSTEM_DEF(dbcore)
var/const/IS_NOT_NULL = 4
var/const/IS_PRIMARY_KEY = 8
var/const/IS_UNSIGNED = 16
var/schema_mismatch = 0
var/db_minor = 0
var/db_major = 0
// TODO: Investigate more recent type additions and see if I can handle them. - Nadrew
var/_db_con// This variable contains a reference to the actual database connection.
@@ -26,6 +29,16 @@ SUBSYSTEM_DEF(dbcore)
if(!_db_con)
_db_con = _dm_db_new_con()
/datum/controller/subsystem/dbcore/Initialize()
//We send warnings to the admins during subsystem init, as the clients will be New'd and messages
//will queue properly with goonchat
switch(schema_mismatch)
if(1)
message_admins("Database schema ([db_major].[db_minor]) doesn't match the latest schema version ([DB_MAJOR_VERSION].[DB_MINOR_VERSION]), this may lead to undefined behaviour or errors")
if(2)
message_admins("Could not get schema version from database")
/datum/controller/subsystem/dbcore/Recover()
_db_con = SSdbcore._db_con
@@ -69,6 +82,36 @@ SUBSYSTEM_DEF(dbcore)
log_sql("Connect() failed | [ErrorMsg()]")
++failed_connections
/datum/controller/subsystem/dbcore/proc/CheckSchemaVersion()
if(CONFIG_GET(flag/sql_enabled))
if(SSdbcore.Connect())
log_world("Database connection established.")
var/datum/DBQuery/query_db_version = SSdbcore.NewQuery("SELECT major, minor FROM [format_table_name("schema_revision")] ORDER BY date DESC LIMIT 1")
query_db_version.Execute()
if(query_db_version.NextRow())
db_major = text2num(query_db_version.item[1])
db_minor = text2num(query_db_version.item[2])
if(db_major != DB_MAJOR_VERSION || db_minor != DB_MINOR_VERSION)
schema_mismatch = 1 // flag admin message about mismatch
log_sql("Database schema ([db_major].[db_minor]) doesn't match the latest schema version ([DB_MAJOR_VERSION].[DB_MINOR_VERSION]), this may lead to undefined behaviour or errors")
else
schema_mismatch = 2 //flag admin message about no schema version
log_sql("Could not get schema version from database")
else
log_sql("Your server failed to establish a connection with the database.")
else
log_sql("Database is not enabled in configuration.")
/datum/controller/subsystem/dbcore/proc/SetRoundID()
if(CONFIG_GET(flag/sql_enabled))
if(SSdbcore.Connect())
var/datum/DBQuery/query_round_start = SSdbcore.NewQuery("INSERT INTO [format_table_name("round")] (start_datetime, server_ip, server_port) VALUES (Now(), INET_ATON(IF('[world.internet_address]' LIKE '', '0', '[world.internet_address]')), '[world.port]')")
query_round_start.Execute()
var/datum/DBQuery/query_round_last_id = SSdbcore.NewQuery("SELECT LAST_INSERT_ID()")
query_round_last_id.Execute()
if(query_round_last_id.NextRow())
GLOB.round_id = query_round_last_id.item[1]
/datum/controller/subsystem/dbcore/proc/Disconnect()
failed_connections = 0
return _dm_db_close(_db_con)