CODEWITHSUNDEEP
c++network-programmingasio
newbane2
newbane2

Reputation: 130

Asio standalone async_connect not invoking callback after connection

The issue I'm having is that asio::async_connect does not invoke its call back handler (in this case foo), even though the connection has already been established on the server end. It's very perplexing to me since async_read / write works as expected.

Here is a simplified example

void foo(const asio::error_code& ec)
{
    std::cout << "Foo called" << std::endl;
}

int main()
{
    asio::io_service io;
    asio::io_service::work work(io);

    asio::ip::tcp::socket socket(io);
    asio::ip::tcp::endpoint ep(asio::ip::address::from_string("127.0.0.1"), 5454);
    socket.async_connect(ep, std::bind(&foo, std::placeholders::_1));

    io.run();
    return 0;
}

Upvotes: 0

Views: 393

Answers (1)

newbane2
newbane2

Reputation: 130

The issue was I had two different io_service objects with the same name, and was calling io.run() on the wrong one. The code snippet actually worked when I tested it in a standalone case.

Upvotes: 1

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