1 files changed, 106 insertions, 0 deletions
diff --git a/vendor/github.com/pion/sctp/paramtype.go b/vendor/github.com/pion/sctp/paramtype.go
new file mode 100644
index 0000000..bb0ee82
--- /dev/null
+++ b/vendor/github.com/pion/sctp/paramtype.go
@@ -0,0 +1,106 @@
+package sctp
+
+import (
+	"encoding/binary"
+	"fmt"
+
+	"github.com/pkg/errors"
+)
+
+// paramType represents a SCTP INIT/INITACK parameter
+type paramType uint16
+
+const (
+	heartbeatInfo      paramType = 1     // Heartbeat Info	[RFC4960]
+	ipV4Addr           paramType = 5     // IPv4 IP	[RFC4960]
+	ipV6Addr           paramType = 6     // IPv6 IP	[RFC4960]
+	stateCookie        paramType = 7     // State Cookie	[RFC4960]
+	unrecognizedParam  paramType = 8     // Unrecognized Parameters	[RFC4960]
+	cookiePreservative paramType = 9     // Cookie Preservative	[RFC4960]
+	hostNameAddr       paramType = 11    // Host Name IP	[RFC4960]
+	supportedAddrTypes paramType = 12    // Supported IP Types	[RFC4960]
+	outSSNResetReq     paramType = 13    // Outgoing SSN Reset Request Parameter	[RFC6525]
+	incSSNResetReq     paramType = 14    // Incoming SSN Reset Request Parameter	[RFC6525]
+	ssnTSNResetReq     paramType = 15    // SSN/TSN Reset Request Parameter	[RFC6525]
+	reconfigResp       paramType = 16    // Re-configuration Response Parameter	[RFC6525]
+	addOutStreamsReq   paramType = 17    // Add Outgoing Streams Request Parameter	[RFC6525]
+	addIncStreamsReq   paramType = 18    // Add Incoming Streams Request Parameter	[RFC6525]
+	random             paramType = 32770 // Random (0x8002)	[RFC4805]
+	chunkList          paramType = 32771 // Chunk List (0x8003)	[RFC4895]
+	reqHMACAlgo        paramType = 32772 // Requested HMAC Algorithm Parameter (0x8004)	[RFC4895]
+	padding            paramType = 32773 // Padding (0x8005)
+	supportedExt       paramType = 32776 // Supported Extensions (0x8008)	[RFC5061]
+	forwardTSNSupp     paramType = 49152 // Forward TSN supported (0xC000)	[RFC3758]
+	addIPAddr          paramType = 49153 // Add IP IP (0xC001)	[RFC5061]
+	delIPAddr          paramType = 49154 // Delete IP IP (0xC002)	[RFC5061]
+	errClauseInd       paramType = 49155 // Error Cause Indication (0xC003)	[RFC5061]
+	setPriAddr         paramType = 49156 // Set Primary IP (0xC004)	[RFC5061]
+	successInd         paramType = 49157 // Success Indication (0xC005)	[RFC5061]
+	adaptLayerInd      paramType = 49158 // Adaptation Layer Indication (0xC006)	[RFC5061]
+)
+
+func parseParamType(raw []byte) (paramType, error) {
+	if len(raw) < 2 {
+		return paramType(0), errors.New("packet to short")
+	}
+	return paramType(binary.BigEndian.Uint16(raw)), nil
+}
+
+func (p paramType) String() string {
+	switch p {
+	case heartbeatInfo:
+		return "Heartbeat Info"
+	case ipV4Addr:
+		return "IPv4 IP"
+	case ipV6Addr:
+		return "IPv6 IP"
+	case stateCookie:
+		return "State Cookie"
+	case unrecognizedParam:
+		return "Unrecognized Parameters"
+	case cookiePreservative:
+		return "Cookie Preservative"
+	case hostNameAddr:
+		return "Host Name IP"
+	case supportedAddrTypes:
+		return "Supported IP Types"
+	case outSSNResetReq:
+		return "Outgoing SSN Reset Request Parameter"
+	case incSSNResetReq:
+		return "Incoming SSN Reset Request Parameter"
+	case ssnTSNResetReq:
+		return "SSN/TSN Reset Request Parameter"
+	case reconfigResp:
+		return "Re-configuration Response Parameter"
+	case addOutStreamsReq:
+		return "Add Outgoing Streams Request Parameter"
+	case addIncStreamsReq:
+		return "Add Incoming Streams Request Parameter"
+	case random:
+		return "Random"
+	case chunkList:
+		return "Chunk List"
+	case reqHMACAlgo:
+		return "Requested HMAC Algorithm Parameter"
+	case padding:
+		return "Padding"
+	case supportedExt:
+		return "Supported Extensions"
+	case forwardTSNSupp:
+		return "Forward TSN supported"
+	case addIPAddr:
+		return "Add IP IP"
+	case delIPAddr:
+		return "Delete IP IP"
+	case errClauseInd:
+		return "Error Cause Indication"
+	case setPriAddr:
+		return "Set Primary IP"
+	case successInd:
+		return "Success Indication"
+	case adaptLayerInd:
+		return "Adaptation Layer Indication"
+	default:
+		return fmt.Sprintf("Unknown ParamType: %d", p)
+	}
+}