Remove AP_MODE_INIT, it is a no-op, everywhere

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/input-filter-dev@1200612 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/include/util_filter.h b/include/util_filter.h
index a09c532..c886dd2 100644
--- a/include/util_filter.h
+++ b/include/util_filter.h
@@ -56,10 +56,6 @@
      *  Use this mode with extreme caution.
      */
     AP_MODE_EXHAUSTIVE,
-    /** The filter should initialize the connection if needed,
-     *  NNTP or FTP over SSL for example.
-     */
-    AP_MODE_INIT
 } ap_input_mode_t;
 
 /**
diff --git a/modules/debugging/mod_dumpio.c b/modules/debugging/mod_dumpio.c
index e15932d..d0cdfe0 100644
--- a/modules/debugging/mod_dumpio.c
+++ b/modules/debugging/mod_dumpio.c
@@ -117,8 +117,7 @@
    (( mode ) == AP_MODE_GETLINE) ? "getline" : \
    (( mode ) == AP_MODE_EATCRLF) ? "eatcrlf" : \
    (( mode ) == AP_MODE_SPECULATIVE) ? "speculative" : \
-   (( mode ) == AP_MODE_EXHAUSTIVE) ? "exhaustive" : \
-   (( mode ) == AP_MODE_INIT) ? "init" : "unknown" \
+   (( mode ) == AP_MODE_EXHAUSTIVE) ? "exhaustive" : "unknown" \
  )
 
 static int dumpio_input_filter (ap_filter_t *f, apr_bucket_brigade *bb,
diff --git a/modules/filters/mod_reqtimeout.c b/modules/filters/mod_reqtimeout.c
index 800bb6b..da1410e 100644
--- a/modules/filters/mod_reqtimeout.c
+++ b/modules/filters/mod_reqtimeout.c
@@ -203,7 +203,7 @@
     if (rv != APR_SUCCESS)
         goto out;
 
-    if (block == APR_NONBLOCK_READ || mode == AP_MODE_INIT
+    if (block == APR_NONBLOCK_READ
         || mode == AP_MODE_EATCRLF) {
         rv = ap_get_brigade(f->next, bb, mode, block, readbytes);
         if (ccfg->min_rate > 0 && rv == APR_SUCCESS) {
diff --git a/modules/ssl/ssl_engine_io.c b/modules/ssl/ssl_engine_io.c
index 45e2ca4..54fcfe5 100644
--- a/modules/ssl/ssl_engine_io.c
+++ b/modules/ssl/ssl_engine_io.c
@@ -1265,7 +1265,6 @@
     bio_filter_in_ctx_t *inctx = f->ctx;
     const char *start = inctx->buffer; /* start of block to return */
     apr_size_t len = sizeof(inctx->buffer); /* length of block to return */
-    int is_init = (mode == AP_MODE_INIT);
 
     if (f->c->aborted) {
         /* XXX: Ok, if we aborted, we ARE at the EOS.  We also have
@@ -1283,7 +1282,7 @@
 
     /* XXX: we don't currently support anything other than these modes. */
     if (mode != AP_MODE_READBYTES && mode != AP_MODE_GETLINE &&
-        mode != AP_MODE_SPECULATIVE && mode != AP_MODE_INIT) {
+        mode != AP_MODE_SPECULATIVE) {
         return APR_ENOTIMPL;
     }
 
@@ -1299,13 +1298,6 @@
         return ssl_io_filter_error(f, bb, status);
     }
 
-    if (is_init) {
-        /* protocol module needs to handshake before sending
-         * data to client (e.g. NNTP or FTP)
-         */
-        return APR_SUCCESS;
-    }
-
     if (inctx->mode == AP_MODE_READBYTES ||
         inctx->mode == AP_MODE_SPECULATIVE) {
         /* Protected from truncation, readbytes < MAX_SIZE_T
diff --git a/server/core_filters.c b/server/core_filters.c
index 24f1f1f..80a1393 100644
--- a/server/core_filters.c
+++ b/server/core_filters.c
@@ -89,20 +89,6 @@
     const char *str;
     apr_size_t len;
 
-    if (mode == AP_MODE_INIT) {
-        /*
-         * this mode is for filters that might need to 'initialize'
-         * a connection before reading request data from a client.
-         * NNTP over SSL for example needs to handshake before the
-         * server sends the welcome message.
-         * such filters would have changed the mode before this point
-         * is reached.  however, protocol modules such as NNTP should
-         * not need to know anything about SSL.  given the example, if
-         * SSL is not in the filter chain, AP_MODE_INIT is a noop.
-         */
-        return APR_SUCCESS;
-    }
-
     if (!ctx)
     {
         ctx = apr_pcalloc(f->c->pool, sizeof(*ctx));