Request Content Length null or undefined

[oghcfb]

https://github.com/slanatech/swagger-stats/blob/master/lib/swsAPIStats.js

this.promClientMetrics.api_response_size_bytes.labels(req.method,req.sws.api_path,res.statusCode).observe(req.sws.res_clength);

TypeError: Invalid value: is not number

bug - req.sws.res_clength

https://github.com/slanatech/swagger-stats/blob/master/lib/swsCoreStats.js

if ("_contentLength" in res){
    resContentLength = res['_contentLength'];
}else{
    // Try header
    if(res.hasHeader('content-length')) {
        resContentLength = res.getHeader('content-length');
    }
}

resContentLength - Null or Undefined

[sv2]

Addressed by #43

[sv2]

Addressed in v0.95.6