A demo app in C++ for streaming rates using OANDA REST api and the POCO C++ library. A JSON parser such as libjson can be used decode the JSON response.
Clone this repo to the location of your choice
Update the following information in main() in streaming.cpp:
accountId
access_token (Authorization)
Compile the file through g++ compiler. Link the poco networking component using the -lPocoNetSSL flag.
g++ streaming.cpp -lPocoNetSSL -o streaming
Alternatively, use the provided Makefile by running make.
Run the output executable file
./streaming
{"instrument":"EUR_USD","time":"2014-03-07T20:52:17.453618Z","bid":1.3867,"ask":1.38682}
{"heartbeat":{"time":"2014-03-07T20:52:29.452784Z"}}
{"instrument":"EUR_USD","time":"2014-03-07T20:52:31.430114Z","bid":1.38671,"ask":1.38685}
{"instrument":"EUR_USD","time":"2014-03-07T20:52:31.478110Z","bid":1.38673,"ask":1.38687}