MINOR: build: allow packagers to specify the ssl cache size
This is done by passing the default value to SSLCACHESIZE in sessions.
User can use tune.sslcachesize to change this value.
By default, it is set to 20000 sessions as openssl internal cache size.
Currently, a session entry size is between 592 and 616 bytes depending on the arch.
diff --git a/include/common/defaults.h b/include/common/defaults.h
index ae49263..9b54276 100644
--- a/include/common/defaults.h
+++ b/include/common/defaults.h
@@ -191,4 +191,9 @@
#define LISTEN_DEFAULT_CIPHERS NULL
#endif
+/* ssl cache size */
+#ifndef SSLCACHESIZE
+#define SSLCACHESIZE 20000
+#endif
+
#endif /* _COMMON_DEFAULTS_H */
diff --git a/src/haproxy.c b/src/haproxy.c
index 5e6ee40..97a4039 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -132,7 +132,7 @@
.maxrewrite = MAXREWRITE,
.chksize = BUFSIZE,
#ifdef USE_OPENSSL
- .sslcachesize = 20000,
+ .sslcachesize = SSLCACHESIZE,
#endif
#ifdef USE_ZLIB
.zlibmemlevel = 8,