private static ErrorCode TryParseCore(string str, out CallIdHeader header)
{
osip_call_id_t *native = null;
var strPtr = Marshal.StringToHGlobalAnsi(str);
try
{
ErrorCode errorCode = NativeMethods.osip_call_id_init(&native);
if (!errorCode.EnsureSuccess())
{
header = null;
return(errorCode);
}
errorCode = NativeMethods.osip_call_id_parse(native, strPtr);
if (!errorCode.EnsureSuccess())
{
header = null;
return(errorCode);
}
header = FromNative(native);
return(errorCode);
}
finally
{
NativeMethods.osip_call_id_free(native);
Marshal.FreeHGlobal(strPtr);
}
}
private static ErrorCode TryParseCore(IntPtr ptr, ulong length, out SipMessage message)
{
osip_message_t *native = null;
try
{
ErrorCode errorCode = NativeMethods.osip_message_init(&native);
if (!errorCode.EnsureSuccess())
{
message = null;
return(errorCode);
}
errorCode = NativeMethods.osip_message_parse(native, ptr, length);
if (!errorCode.EnsureSuccess())
{
message = null;
return(errorCode);
}
message = native->status_code == 0
? FromNative <SipRequest>(native)
: (SipMessage)FromNative <SipResponse>(native);
return(errorCode);
}
finally
{
NativeMethods.osip_message_free(native);
}
}
private static ErrorCode TryParseCore(string str, out SipBody body)
{
osip_body_t *native = null;
var strPtr = Marshal.StringToHGlobalAnsi(str);
try
{
ErrorCode errorCode = NativeMethods.osip_body_init(&native);
if (!errorCode.EnsureSuccess())
{
body = null;
return(errorCode);
}
errorCode = NativeMethods.osip_body_parse(native, strPtr, (ulong)str.Length);
if (!errorCode.EnsureSuccess())
{
body = null;
return(errorCode);
}
body = FromNative(native);
return(errorCode);
}
finally
{
NativeMethods.osip_body_free(native);
Marshal.FreeHGlobal(strPtr);
}
}
private static ErrorCode TryParseCore(string str, out SipUri uri)
{
var strPtr = Marshal.StringToHGlobalAnsi(str);
osip_uri_t *native = null;
try
{
ErrorCode errorCode = NativeMethods.osip_uri_init(&native);
if (!errorCode.EnsureSuccess())
{
uri = default;
return(errorCode);
}
errorCode = NativeMethods.osip_uri_parse(native, strPtr);
if (!errorCode.EnsureSuccess())
{
uri = default;
return(errorCode);
}
uri = FromNative(native);
return(errorCode);
}
finally
{
NativeMethods.osip_uri_free(native);
Marshal.FreeHGlobal(strPtr);
}
}