diff options
| -rw-r--r-- | lgc/lgc.go | 31 | ||||
| -rw-r--r-- | networkQuality.go | 7 | ||||
| -rw-r--r-- | utilities/tcpinfo_other.go | 18 | ||||
| -rw-r--r-- | utilities/tcpinfo_unix.go | 62 | ||||
| -rw-r--r-- | utilities/utilities.go | 54 |
5 files changed, 106 insertions, 66 deletions
@@ -281,40 +281,40 @@ func (lgd *LoadGeneratingConnectionDownload) Start( go lgd.doDownload(ctx) return true } -func (lbd *LoadGeneratingConnectionDownload) IsValid() bool { - return lbd.valid +func (lgd *LoadGeneratingConnectionDownload) IsValid() bool { + return lgd.valid } -func (lbd *LoadGeneratingConnectionDownload) Stats() *stats.TraceStats { - return &lbd.stats +func (lgd *LoadGeneratingConnectionDownload) Stats() *stats.TraceStats { + return &lgd.stats } -func (lbd *LoadGeneratingConnectionDownload) doDownload(ctx context.Context) { +func (lgd *LoadGeneratingConnectionDownload) doDownload(ctx context.Context) { var request *http.Request = nil var get *http.Response = nil var err error = nil if request, err = http.NewRequestWithContext( - httptrace.WithClientTrace(ctx, lbd.tracer), + httptrace.WithClientTrace(ctx, lgd.tracer), "GET", - lbd.Path, + lgd.Path, nil, ); err != nil { - lbd.valid = false + lgd.valid = false return } - lbd.downloadStartTime = time.Now() - lbd.lastIntervalEnd = 0 + lgd.downloadStartTime = time.Now() + lgd.lastIntervalEnd = 0 - if get, err = lbd.client.Do(request); err != nil { - lbd.valid = false + if get, err = lgd.client.Do(request); err != nil { + lgd.valid = false return } - cr := &countingReader{n: &lbd.downloaded, ctx: ctx, readable: get.Body} + cr := &countingReader{n: &lgd.downloaded, ctx: ctx, readable: get.Body} _, _ = io.Copy(ioutil.Discard, cr) get.Body.Close() - if debug.IsDebug(lbd.debug) { + if debug.IsDebug(lgd.debug) { fmt.Printf("Ending a load-generating download.\n") } } @@ -426,6 +426,7 @@ func (lgu *LoadGeneratingConnectionUpload) Start( return true } -func (lbd *LoadGeneratingConnectionUpload) Stats() *stats.TraceStats { +func (lgu *LoadGeneratingConnectionUpload) Stats() *stats.TraceStats { + // Get all your stats from the download side of the LGC. return nil } diff --git a/networkQuality.go b/networkQuality.go index 7593714..d9bdc94 100644 --- a/networkQuality.go +++ b/networkQuality.go @@ -336,7 +336,12 @@ func main() { fmt.Printf("OOPS: Could not get the TCP info for the connection (not a TCP connection)!\n") } if info, err := utilities.GetTCPInfo(tcpConn); err != nil { - fmt.Printf("OOPS: Could not get the TCP info for the connection: %v!\n", err) + switch err.(type) { + case *utilities.NotImplemented: + fmt.Printf("GetTCPInfo not implemented on this platform.\n") + default: + fmt.Printf("OOPS: Could not get the TCP info for the connection: %v!\n", err) + } } else { utilities.PrintTCPInfo(info) } diff --git a/utilities/tcpinfo_other.go b/utilities/tcpinfo_other.go new file mode 100644 index 0000000..8dd070b --- /dev/null +++ b/utilities/tcpinfo_other.go @@ -0,0 +1,18 @@ +//go:build !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd +// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd + +package utilities + +import ( + "net" + + "golang.org/x/sys/unix" +) + +func GetTCPInfo(connection net.Conn) (*unix.TCPInfo, error) { + return nil, NotImplemented{Functionality: "GetTCPInfo"} +} + +func PrintTCPInfo(info *unix.TCPInfo) { + return +} diff --git a/utilities/tcpinfo_unix.go b/utilities/tcpinfo_unix.go new file mode 100644 index 0000000..b0b5252 --- /dev/null +++ b/utilities/tcpinfo_unix.go @@ -0,0 +1,62 @@ +//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd +// +build darwin dragonfly freebsd linux netbsd openbsd + +package utilities + +import ( + "fmt" + "net" + + "golang.org/x/sys/unix" +) + +func GetTCPInfo(connection net.Conn) (*unix.TCPInfo, error) { + tcpConn, ok := connection.(*net.TCPConn) + if !ok { + return nil, fmt.Errorf("connection is not a net.TCPConn") + } + rawConn, err := tcpConn.SyscallConn() + if err != nil { + return nil, err + } + + var info *unix.TCPInfo = nil + rawConn.Control(func(fd uintptr) { + info, err = unix.GetsockoptTCPInfo(int(fd), unix.SOL_TCP, unix.TCP_INFO) + }) + return info, err +} + +func PrintTCPInfo(info *unix.TCPInfo) { + fmt.Printf("TCPInfo: \n") + fmt.Printf(" State: %v\n", info.State) + fmt.Printf(" Ca_state: %v\n", info.Ca_state) + fmt.Printf(" Retransmits: %v\n", info.Retransmits) + fmt.Printf(" Probes: %v\n", info.Probes) + fmt.Printf(" Backoff: %v\n", info.Backoff) + fmt.Printf(" Options: %v\n", info.Options) + fmt.Printf(" Rto: %v\n", info.Rto) + fmt.Printf(" Ato: %v\n", info.Ato) + fmt.Printf(" Snd_mss: %v\n", info.Snd_mss) + fmt.Printf(" Rcv_mss: %v\n", info.Rcv_mss) + fmt.Printf(" Unacked: %v\n", info.Unacked) + fmt.Printf(" Sacked: %v\n", info.Sacked) + fmt.Printf(" Lost: %v\n", info.Lost) + fmt.Printf(" Retrans: %v\n", info.Retrans) + fmt.Printf(" Fackets: %v\n", info.Fackets) + fmt.Printf(" Last_data_sent: %v\n", info.Last_data_sent) + fmt.Printf(" Last_ack_sent: %v\n", info.Last_ack_sent) + fmt.Printf(" Last_data_recv: %v\n", info.Last_data_recv) + fmt.Printf(" Last_ack_recv: %v\n", info.Last_ack_recv) + fmt.Printf(" Pmtu: %v\n", info.Pmtu) + fmt.Printf(" Rcv_ssthresh: %v\n", info.Rcv_ssthresh) + fmt.Printf(" Rtt: %v\n", info.Rtt) + fmt.Printf(" Rttvar: %v\n", info.Rttvar) + fmt.Printf(" Snd_ssthresh: %v\n", info.Snd_ssthresh) + fmt.Printf(" Snd_cwnd: %v\n", info.Snd_cwnd) + fmt.Printf(" Advmss: %v\n", info.Advmss) + fmt.Printf(" Reordering: %v\n", info.Reordering) + fmt.Printf(" Rcv_rtt: %v\n", info.Rcv_rtt) + fmt.Printf(" Rcv_space: %v\n", info.Rcv_space) + fmt.Printf(" Total_retrans: %v\n", info.Total_retrans) +} diff --git a/utilities/utilities.go b/utilities/utilities.go index e4c8a0d..7e26ab9 100644 --- a/utilities/utilities.go +++ b/utilities/utilities.go @@ -18,13 +18,10 @@ import ( "fmt" "math" "math/rand" - "net" "os" "reflect" "sync/atomic" "time" - - "golang.org/x/sys/unix" ) func IsInterfaceNil(ifc interface{}) bool { @@ -126,53 +123,10 @@ func RandBetween(max int) int { return rand.New(rand.NewSource(int64(time.Now().Nanosecond()))).Int() % max } -func GetTCPInfo(connection net.Conn) (*unix.TCPInfo, error) { - tcpConn, ok := connection.(*net.TCPConn) - if !ok { - return nil, fmt.Errorf("connection is not a net.TCPConn") - } - rawConn, err := tcpConn.SyscallConn() - if err != nil { - return nil, err - } - - var info *unix.TCPInfo = nil - rawConn.Control(func(fd uintptr) { - info, err = unix.GetsockoptTCPInfo(int(fd), unix.SOL_TCP, unix.TCP_INFO) - }) - return info, err +type NotImplemented struct { + Functionality string } -func PrintTCPInfo(info *unix.TCPInfo) { - fmt.Printf("TCPInfo: \n") - fmt.Printf(" State: %v\n", info.State) - fmt.Printf(" Ca_state: %v\n", info.Ca_state) - fmt.Printf(" Retransmits: %v\n", info.Retransmits) - fmt.Printf(" Probes: %v\n", info.Probes) - fmt.Printf(" Backoff: %v\n", info.Backoff) - fmt.Printf(" Options: %v\n", info.Options) - fmt.Printf(" Rto: %v\n", info.Rto) - fmt.Printf(" Ato: %v\n", info.Ato) - fmt.Printf(" Snd_mss: %v\n", info.Snd_mss) - fmt.Printf(" Rcv_mss: %v\n", info.Rcv_mss) - fmt.Printf(" Unacked: %v\n", info.Unacked) - fmt.Printf(" Sacked: %v\n", info.Sacked) - fmt.Printf(" Lost: %v\n", info.Lost) - fmt.Printf(" Retrans: %v\n", info.Retrans) - fmt.Printf(" Fackets: %v\n", info.Fackets) - fmt.Printf(" Last_data_sent: %v\n", info.Last_data_sent) - fmt.Printf(" Last_ack_sent: %v\n", info.Last_ack_sent) - fmt.Printf(" Last_data_recv: %v\n", info.Last_data_recv) - fmt.Printf(" Last_ack_recv: %v\n", info.Last_ack_recv) - fmt.Printf(" Pmtu: %v\n", info.Pmtu) - fmt.Printf(" Rcv_ssthresh: %v\n", info.Rcv_ssthresh) - fmt.Printf(" Rtt: %v\n", info.Rtt) - fmt.Printf(" Rttvar: %v\n", info.Rttvar) - fmt.Printf(" Snd_ssthresh: %v\n", info.Snd_ssthresh) - fmt.Printf(" Snd_cwnd: %v\n", info.Snd_cwnd) - fmt.Printf(" Advmss: %v\n", info.Advmss) - fmt.Printf(" Reordering: %v\n", info.Reordering) - fmt.Printf(" Rcv_rtt: %v\n", info.Rcv_rtt) - fmt.Printf(" Rcv_space: %v\n", info.Rcv_space) - fmt.Printf(" Total_retrans: %v\n", info.Total_retrans) +func (ni *NotImplemented) Error() string { + return fmt.Sprintf("%v not implemented.\n", ni.Functionality) } |
