search

Simsso / Vision-Based-Page-Rank-Estimation

Student research project on pagerank estimation with deep graph networks
MIT License
5 stars 1 forks source link

Multiple CEF Initializations Fail #16

Closed ghost closed 5 years ago

ghost commented 5 years ago

We currently face following problem, which is very specific to our use-case:

As part of the initialization process of CEF, CefInitialize() has to be called before using CEF functionalities. CefInitialize() and CefExecuteProcess() will create required processes such as UI, Render as described here.

CefInitialize() is being called with a CefSetting-object, representing settings such as the user-agent of the browsers created during this session.

Our current approach was to initialize CEF only once and create multiple browsers instances. But due to new requirements for #6, we have to take screenshots for mobile devices. This can only be achieved by setting the user-agent to a mobile device.

Due to lack of dynamically changing the user-agent, we have to reinitialize CEF. According to this and own experiences this is not possible within the same process. This leads us to a change in architecture:

1) Spawn for each datamodule a process 2) Use boost::interprocess to pass results from the child to the parent 3) Examine average memory consumption and decide whether to spawn all childprocesses at once or not

Best, Samed

ghost commented 5 years ago

This issue was temporary solved for Dataset Version 1.

Since this is a general architectural problem, I reassigned it to our milestone for Dataset Version 2.

ghost commented 5 years ago

This issue was solved by using CefRequestHandler to modify the request hear prior sending it out. I am very happy to say that we can stick with our current architecture :) !