prosody-modules
c6b8ae5a8369
mod_mam_sql/mod_mam_sql.lua

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mod_mam_sql/mod_mam_sql.lua @ 1207:c6b8ae5a8369

mod_mam_sql: Reconnect if the connection should be dropped
author Rob Hoelz <rob@hoelz.ro>
date Mon, 02 Sep 2013 20:10:10 +0200
parent 1206:04bf76c3e4c6
child 1343:7dbde05b48a9
comparison
equal deleted inserted replaced
1206:04bf76c3e4c6 1207:c6b8ae5a8369
47 port = params.port, 47 port = params.port,
48 path = params.database, 48 path = params.database,
49 }; 49 };
50 end 50 end
51 51
52 local connect
53
52 local function test_connection() 54 local function test_connection()
53 if not connection then return nil; end 55 if not connection then return nil; end
54 if connection:ping() then 56 if connection:ping() then
55 return true; 57 return true;
56 else 58 else
57 module:log("debug", "Database connection closed"); 59 module:log("debug", "Database connection closed");
60 module:log("debug", "Attempting to reconnect");
58 connection = nil; 61 connection = nil;
59 connections[dburi] = nil; 62 return connect();
60 end 63 end
61 end 64 end
62 local function connect() 65 function connect()
63 if not test_connection() then 66 if not test_connection() then
64 prosody.unlock_globals(); 67 prosody.unlock_globals();
65 local dbh, err = DBI.Connect( 68 local dbh, err = DBI.Connect(
66 params.driver, params.database, 69 params.driver, params.database,
67 params.username, params.password, 70 params.username, params.password,
113 function getsql(sql, ...) 116 function getsql(sql, ...)
114 if params.driver == "PostgreSQL" then 117 if params.driver == "PostgreSQL" then
115 sql = sql:gsub("`", "\""); 118 sql = sql:gsub("`", "\"");
116 end 119 end
117 if not connection then 120 if not connection then
121 return nil, 'connection failed';
122 end
123 if not test_connection() then
118 return nil, 'connection failed'; 124 return nil, 'connection failed';
119 end 125 end
120 -- do prepared statement stuff 126 -- do prepared statement stuff
121 local stmt, err = connection:prepare(sql); 127 local stmt, err = connection:prepare(sql);
122 if not stmt and not test_connection() then 128 if not stmt and not test_connection() then