lib/wsrep-lib
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Allow read-only access to transaction context through

Browse Source 
client context to enforce use of client context interface
for manipulating transaction context state.
This commit is contained in:
Teemu Ollakka
2018-05-31 16:55:57 +03:00
parent 2f46758064
commit ae93785a57
14 changed files with 267 additions and 300 deletions
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34
src/server_context.cpp
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@ -122,7 +122,7 @@ namespace
}
if (ret == WSREP_CB_SUCCESS &&
client_context->server_context().on_apply(
*client_context, client_context->transaction(), data))
*client_context, data))
{
ret = WSREP_CB_FAILURE;
}
@ -296,29 +296,35 @@ void trrep::server_context::on_sync()
int trrep::server_context::on_apply(
trrep::client_context& client_context,
trrep::transaction_context& transaction_context,
const trrep::data& data)
{
int ret(0);
if (starts_transaction(transaction_context.flags()) &&
commits_transaction(transaction_context.flags()))
const trrep::transaction_context& txc(client_context.transaction());
if (starts_transaction(txc.flags()) &&
commits_transaction(txc.flags()))
{
if (transaction_context.state() != trrep::transaction_context::s_replaying)
if (txc.state() != trrep::transaction_context::s_replaying)
{
assert(transaction_context.active() == false);
transaction_context.start_transaction();
client_context.before_command();
client_context.before_statement();
assert(txc.active() == false);
client_context.start_transaction();
}
if (client_context.apply(transaction_context, data))
if (client_context.apply(data))
{
ret = 1;
}
else if (client_context.commit(transaction_context))
else if (client_context.commit())
{
ret = 1;
}
if (txc.state() != trrep::transaction_context::s_replaying)
{
client_context.after_statement();
client_context.after_command();
}
assert(ret ||
transaction_context.state() ==
trrep::transaction_context::s_committed);
txc.state() == trrep::transaction_context::s_committed);
}
else
{
@ -328,11 +334,11 @@ int trrep::server_context::on_apply(
if (ret)
{
client_context.rollback(transaction_context);
client_context.rollback();
}
transaction_context.after_statement();
assert(transaction_context.active() == false);
client_context.after_statement();
assert(txc.active() == false);
return ret;
}