log_manager.cc
Added new argument '-s' which takes additional argument composed of list of logfile identifiers. Logfiles listed with '-s' will be written on main memory instead of disk. In practice, the log file in question will be written in /dev/shm but corresponding symlink is added to log directory. In the case of name conflicts with log files and links, a differentiating sequence number is included in hte name of the file. This, however, is done only when existing file is not writable or is of different type (symlink <> file). Added new logfile LOGFILE_DEBUG whose contents will be largerly what was included up to date in trace log. Disabled feature which spreads writes to log files to others because of bug (#338) in the way block buffers are managed. Changed log manager parameters to match with the current implementation. List of arguments: "-h - help\n" "-a <debug prefix> ............(\"skygw_debug\")\n" "-b <debug suffix> ............(\".log\")\n" "-c <trace prefix> ............(\"skygw_trace\")\n" "-d <trace suffix> ............(\".log\")\n" "-e <message prefix> ............(\"skygw_msg\")\n" "-f <message suffix> ............(\".log\")\n" "-g <error prefix> ............(\"skygw_err\")\n" "-i <error suffix> ............(\".log\")\n" "-j <log path> ............(\"/tmp\")\n" "-s <shmem log file ids> ........(no default)\n"; dcb.c dcb_add_to_zombieslist, add dcb to the front of zombies list instead of inserting to the end of it. gateway.c Renamed shutdown_gateway to shutdown_server (Bug #131) Call skygw_logmanager_init so that trace and debug logs are written to shared memory. poll.c dcb.h Removed some dead code and references to unneeded mutexes. debugcmd.c Added enable/disable log command for debug log. skygw_utils.cc skygw_file_init now takes optional symlink name as a second argument. Symlink is created to point to the file being created.
This commit is contained in:
@ -547,14 +547,16 @@ static int routeQuery(
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"%s.",
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STRPACKETTYPE(packet_type),
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STRQTYPE(qtype),
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querystr,
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(querystr == NULL ? "(empty)" : querystr),
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(rses_is_closed ? "Router was closed" :
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"Router has no backend servers where to route to"));
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goto return_ret;
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}
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skygw_log_write(LOGFILE_TRACE, "String\t\"%s\"", querystr);
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skygw_log_write(LOGFILE_TRACE,
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"String\t\"%s\"",
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querystr == NULL ? "(empty)" : querystr);
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skygw_log_write(LOGFILE_TRACE,
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"Packet type\t%s",
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STRPACKETTYPE(packet_type));
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@ -590,7 +592,7 @@ static int routeQuery(
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case QUERY_TYPE_SESSION_WRITE:
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skygw_log_write(LOGFILE_TRACE,
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"%lu [routeQuery:rwsplit] Query type\t%s, "
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"routing to All servers.",
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"routing to all servers.",
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pthread_self(),
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STRQTYPE(qtype));
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/**
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@ -865,8 +867,8 @@ static bool search_backend_servers(
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if (be != NULL) {
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skygw_log_write(
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LOGFILE_TRACE,
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"%lu [search_backend_servers] Examine server %s:%d "
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"with %d connections. Status is %d, "
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"%lu [search_backend_servers] Examine server "
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"%s:%d with %d connections. Status is %d, "
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"router->bitvalue is %d",
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pthread_self(),
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be->backend_server->name,
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@ -931,7 +933,8 @@ static bool search_backend_servers(
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succp = false;
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skygw_log_write_flush(
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LOGFILE_ERROR,
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"Error : Couldn't find suitable Slave from %d candidates.",
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"Error : Couldn't find suitable Slave from %d "
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"candidates.",
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i);
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}
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@ -939,7 +942,8 @@ static bool search_backend_servers(
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succp = false;
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skygw_log_write_flush(
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LOGFILE_ERROR,
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"Error : Couldn't find suitable Master from %d candidates.",
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"Error : Couldn't find suitable Master from %d "
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"candidates.",
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i);
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}
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