Introduce connection layer framework
Use connTypeRegister() to register a connection type into redis, and
query connection by connectionByType() via type.
With this change, we can hide TLS specified methods into connection
type:
- void tlsInit(void);
- void tlsCleanup(void);
- int tlsConfigure(redisTLSContextConfig *ctx_config);
- int isTlsConfigured(void);
Merge isTlsConfigured & tlsConfigure, use an argument *reconfigure*
to distinguish:
tlsConfigure(&server.tls_ctx_config)
-> onnTypeConfigure(CONN_TYPE_TLS, &server.tls_ctx_config, 1)
isTlsConfigured() && tlsConfigure(&server.tls_ctx_config)
-> connTypeConfigure(CONN_TYPE_TLS, &server.tls_ctx_config, 0)
Finally, we can remove USE_OPENSSL from config.c. If redis is built
without TLS, and still run redis with TLS, then redis reports:
# Missing implement of connection type 1
# Failed to configure TLS. Check logs for more info.
The log can be optimised, let's leave it in the future. Maybe we can
use connection type as a string.
Although uninitialized fields of a static struct are zero, we still
set them as NULL explicitly in socket.c, let them clear to read & maintain:
.init = NULL,
.cleanup = NULL,
.configure = NULL,
Signed-off-by:
zhenwei pi <pizhenwei@bytedance.com>
src/connection.c
0 → 100644
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