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Code Issues

CORE-3704: Add new context variables to the SYSTEM namespace.

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This commit is contained in:
dimitr 2013-07-08 08:26:08 +00:00
parent 9dc40ceb31
commit 0c708df016
1 changed files with 60 additions and 15 deletions
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75
src/jrd/functions.cpp
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@ -65,15 +65,22 @@ static const char
// System variables names
static const char
// global and database wise items
ENGINE_VERSION[] = "ENGINE_VERSION",
DATABASE_NAME[] = "DB_NAME",
// connection wise items
SESSION_ID_NAME[] = "SESSION_ID",
NETWORK_PROTOCOL_NAME[] = "NETWORK_PROTOCOL",
CLIENT_ADDRESS_NAME[] = "CLIENT_ADDRESS",
DATABASE_NAME[] = "DB_NAME",
ISOLATION_LEVEL_NAME[] = "ISOLATION_LEVEL",
TRANSACTION_ID_NAME[] = "TRANSACTION_ID",
SESSION_ID_NAME[] = "SESSION_ID",
CLIENT_PID_NAME[] = "CLIENT_PID",
CLIENT_PROCESS_NAME[] = "CLIENT_PROCESS",
CURRENT_USER_NAME[] = "CURRENT_USER",
CURRENT_ROLE_NAME[] = "CURRENT_ROLE";
CURRENT_ROLE_NAME[] = "CURRENT_ROLE",
// transaction wise items
TRANSACTION_ID_NAME[] = "TRANSACTION_ID",
ISOLATION_LEVEL_NAME[] = "ISOLATION_LEVEL",
LOCK_TIMEOUT_NAME[] = "LOCK_TIMEOUT",
READ_ONLY_NAME[] = "READ_ONLY";
// Isolation values modes
static const char
@ -81,6 +88,11 @@ static const char
CONSISTENCY_VALUE[] = "CONSISTENCY",
SNAPSHOT_VALUE[] = "SNAPSHOT";
// Boolean values
static const char
FALSE_VALUE[] = "FALSE",
TRUE_VALUE[] = "TRUE";
#define FUNCTION(ROUTINE, FUNCTION_NAME, MODULE_NAME, ENTRYPOINT, RET_ARG) \
{MODULE_NAME, ENTRYPOINT, (FPTR_INT) ROUTINE},
@ -197,6 +209,19 @@ vary* get_context(const vary* ns_vary, const vary* name_vary)
return make_result_str(version);
}
if (name_str == DATABASE_NAME)
{
return make_result_str(dbb->dbb_database_name.ToString());
}
if (name_str == SESSION_ID_NAME)
{
Firebird::string session_id;
const SLONG att_id = PAG_attachment_id(tdbb);
session_id.printf("%d", att_id);
return make_result_str(session_id);
}
if (name_str == NETWORK_PROTOCOL_NAME)
{
if (att->att_network_protocol.isEmpty())
@ -213,9 +238,22 @@ vary* get_context(const vary* ns_vary, const vary* name_vary)
return make_result_str(att->att_remote_address);
}
if (name_str == DATABASE_NAME)
if (name_str == CLIENT_PID_NAME)
{
return make_result_str(dbb->dbb_database_name.ToString());
if (!att->att_remote_pid)
return NULL;
Firebird::string client_pid;
client_pid.printf("%d", att->att_remote_pid);
return make_result_str(client_pid);
}
if (name_str == CLIENT_PROCESS_NAME)
{
if (att->att_remote_process.isEmpty())
return NULL;
return make_result_str(att->att_remote_process.ToString());
}
if (name_str == CURRENT_USER_NAME)
@ -234,14 +272,6 @@ vary* get_context(const vary* ns_vary, const vary* name_vary)
return make_result_str(att->att_user->usr_sql_role_name);
}
if (name_str == SESSION_ID_NAME)
{
Firebird::string session_id;
const SLONG att_id = PAG_attachment_id(tdbb);
session_id.printf("%d", att_id);
return make_result_str(session_id);
}
if (name_str == TRANSACTION_ID_NAME)
{
Firebird::string transaction_id;
@ -263,6 +293,21 @@ vary* get_context(const vary* ns_vary, const vary* name_vary)
return make_result_str(isolation, strlen(isolation));
}
if (name_str == LOCK_TIMEOUT_NAME)
{
Firebird::string lock_timeout;
lock_timeout.printf("%d", transaction->tra_lock_timeout);
return make_result_str(lock_timeout);
}
if (name_str == READ_ONLY_NAME)
{
const char* read_only = (transaction->tra_flags & TRA_readonly) ?
TRUE_VALUE : FALSE_VALUE;
return make_result_str(read_only, strlen(read_only));
}
// "Context variable %s is not found in namespace %s"
ERR_post(Arg::Gds(isc_ctx_var_not_found) << Arg::Str(name_str) <<
Arg::Str(ns_str));