1 files changed, 102 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/echo/mod_echo.c b/rubbos/app/httpd-2.0.64/modules/echo/mod_echo.c
new file mode 100644
index 00000000..e9e6c33a
--- /dev/null
+++ b/rubbos/app/httpd-2.0.64/modules/echo/mod_echo.c
@@ -0,0 +1,102 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ap_config.h"
+#include "ap_mmn.h"
+#include "httpd.h"
+#include "http_config.h"
+#include "http_connection.h"
+
+#include "apr_buckets.h"
+#include "util_filter.h"
+
+module AP_MODULE_DECLARE_DATA echo_module;
+
+typedef struct {
+    int bEnabled;
+} EchoConfig;
+
+static void *create_echo_server_config(apr_pool_t *p, server_rec *s)
+{
+    EchoConfig *pConfig = apr_pcalloc(p, sizeof *pConfig);
+
+    pConfig->bEnabled = 0;
+
+    return pConfig;
+}
+
+static const char *echo_on(cmd_parms *cmd, void *dummy, int arg)
+{
+    EchoConfig *pConfig = ap_get_module_config(cmd->server->module_config,
+                                               &echo_module);
+    pConfig->bEnabled = arg;
+
+    return NULL;
+}
+
+static int process_echo_connection(conn_rec *c)
+{
+    apr_bucket_brigade *bb;
+    apr_bucket *b;
+    apr_status_t rv;
+    EchoConfig *pConfig = ap_get_module_config(c->base_server->module_config,
+                                               &echo_module);
+
+    if (!pConfig->bEnabled) {
+        return DECLINED;
+    }
+    
+    bb = apr_brigade_create(c->pool, c->bucket_alloc);
+
+    for ( ; ; ) {
+        /* Get a single line of input from the client */
+        if ((rv = ap_get_brigade(c->input_filters, bb, AP_MODE_GETLINE,
+                                 APR_BLOCK_READ, 0) != APR_SUCCESS || 
+             APR_BRIGADE_EMPTY(bb))) {
+            apr_brigade_destroy(bb);
+            break;
+        }
+
+        /* Make sure the data is flushed to the client */
+        b = apr_bucket_flush_create(c->bucket_alloc);
+        APR_BRIGADE_INSERT_TAIL(bb, b);
+        ap_pass_brigade(c->output_filters, bb);    
+    }
+    return OK;
+}
+
+static const command_rec echo_cmds[] = 
+{
+    AP_INIT_FLAG("ProtocolEcho", echo_on, NULL, RSRC_CONF,
+                 "Run an echo server on this host"),
+    { NULL }
+};
+
+static void register_hooks(apr_pool_t *p)
+{
+    ap_hook_process_connection(process_echo_connection, NULL, NULL,
+                               APR_HOOK_MIDDLE);
+}
+
+module AP_MODULE_DECLARE_DATA echo_module = {
+    STANDARD20_MODULE_STUFF,
+    NULL,			/* create per-directory config structure */
+    NULL,			/* merge per-directory config structures */
+    create_echo_server_config,	/* create per-server config structure */
+    NULL,			/* merge per-server config structures */
+    echo_cmds,			/* command apr_table_t */
+    register_hooks		/* register hooks */
+};