prosody: Log error message when failing to open ports

diff --git a/prosody b/prosody
index 81152235fae258b831c0020f8e494fe5aa5e0416..96223c72f2b7506e88745e1757911a822c66b092 100755 (executable)
--- a/prosody
+++ b/prosody
@@ -205,7 +205,7 @@ function init_global_state()
                                if type(port) ~= "number" then
                                        log("error", "Non-numeric "..ports_option..": "..tostring(port));
                                else
-                                       cl.start(listener, { 
+                                       local ok, err = cl.start(listener, {
                                                ssl = conntype == "ssl" and global_ssl_ctx,
                                                port = port,
                                                interface = (option and config.get("*", "core", option.."_interface"))
@@ -213,6 +213,24 @@ function init_global_state()
                                                        or config.get("*", "core", "interface"),
                                                type = conntype
                                        });
+                                       if not ok then
+                                               local friendly_message = err;
+                                               if err:match(" in use") then
+                                                       if port == 5222 or port == 5223 or port == 5269 then
+                                                               friendly_message = "check that Prosody or another XMPP server is "
+                                                                       .."not already running and using this port";
+                                                       elseif port == 80 or port == 81 then
+                                                               friendly_message = "check that a HTTP server is not already using "
+                                                                       .."this port";
+                                                       elseif port == 5280 then
+                                                               friendly_message = "check that Prosody or a BOSH connection manager "
+                                                                       .."is not already running";
+                                                       end
+                                               elseif err:match("permission") then
+                                                       friendly_message = "Prosody does not have sufficient privileges to use this port";
+                                               end
+                                               log("error", "Failed to open server port %d, %s", port, friendly_message);
+                                       end
                                end
                        end
                end