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diff --git a/devtools/docs/user/network_monitor/inspecting_server-sent_events/basic-sse-message-view.png b/devtools/docs/user/network_monitor/inspecting_server-sent_events/basic-sse-message-view.png Binary files differnew file mode 100644 index 0000000000..98b7d5c8e7 --- /dev/null +++ b/devtools/docs/user/network_monitor/inspecting_server-sent_events/basic-sse-message-view.png diff --git a/devtools/docs/user/network_monitor/inspecting_server-sent_events/customize-columns.png b/devtools/docs/user/network_monitor/inspecting_server-sent_events/customize-columns.png Binary files differnew file mode 100644 index 0000000000..e856d2a929 --- /dev/null +++ b/devtools/docs/user/network_monitor/inspecting_server-sent_events/customize-columns.png diff --git a/devtools/docs/user/network_monitor/inspecting_server-sent_events/index.rst b/devtools/docs/user/network_monitor/inspecting_server-sent_events/index.rst new file mode 100644 index 0000000000..a75666e618 --- /dev/null +++ b/devtools/docs/user/network_monitor/inspecting_server-sent_events/index.rst @@ -0,0 +1,63 @@ +============================= +Inspecting server-sent events +============================= + +`Server-sent events <https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events>`_ allow for an inversion of the traditional client-initiated web request model, with a server sending new data to a web page at any time by pushing messages. From Firefox 82 onwards, you can inspect server-sent events and their message contents using the :doc:`Network Monitor <../index>`. This article shows you how. + +Inspecting the SSE network activity +*********************************** + +When you are viewing a document that is receiving server-sent events, you can go to the Network Monitor, select the file that is sending the server-sent events, and view the received messages in the *Response* tab on the right-hand panel. + +.. image:: basic-sse-message-view.png + :class: border + + +At the top of the panel there is a trash can icon, which allows you to trash the messages sent so far, and a filter field in which you can enter a text string to filter the displayed messages by. + + +Viewing the message contents +**************************** + +Select one of the messages listed in the *Response* tab, and you'll see the message contents displayed at the bottom of that same tab. + +.. image:: see-message-detail-view.png + :class: border + +In the above example, you can see that JSON and raw data representations of the content are shown. For a plain text message, you'd just see a raw data section. + +The supported data formats are as follows: + +- Mercure protocol +- JSON + + +Customizing the displayed columns +********************************* + +For each message, you'll see *Data* and Time columns by default, but you can right-click on the table header to bring up a context menu in which you can toggle columns on and off, and reset it back to its original state. + +.. image:: customize-columns.png + :class: border + +The available columns are as follows: + +- *Data*: A summary of the contained message data. +- *Size*: The size of the message. +- *Time*: A timestamp representing when the message was sent. +- *Event Name*: The name of the event type that resulted in the message being sent (e.g. ```message``` or ```ping```). +- *Last Event ID*: The ID of the last event that was fired. +- *Retry*: The interval after which failed message will be resent. + + +Network Monitor features +************************ + +The following articles cover different aspects of using the network monitor: + +- :doc:`Toolbar <../toolbar/index>` +- :doc:`Network request list <../request_list/index>` +- :doc:`Network request details <../request_details/index>` +- :doc:`Network traffic recording <../performance_analysis/index>` +- :doc:`Throttling <../throttling/index>` +- :doc:`Inspecting web sockets <../inspecting_web_sockets/index>` diff --git a/devtools/docs/user/network_monitor/inspecting_server-sent_events/see-message-detail-view.png b/devtools/docs/user/network_monitor/inspecting_server-sent_events/see-message-detail-view.png Binary files differnew file mode 100644 index 0000000000..b6dcce5c15 --- /dev/null +++ b/devtools/docs/user/network_monitor/inspecting_server-sent_events/see-message-detail-view.png |