public static async Task <IEnumerable <LogInfo> > PullLogs(ILogServiceClient client)
{
// 获取ShardId
var listShardsResponse = await client.ListShardsAsync(LogStoreName);
var listShardsResult = listShardsResponse.EnsureSuccess().Result;
var shardId = listShardsResult.First().ShardId;
// 获取游标
var getCursorRsponse = await client.GetCursorAsync(LogStoreName, shardId, "begin");
var getCursorResult = getCursorRsponse.EnsureSuccess().Result;
var cursor = getCursorResult.Cursor;
// 在指定分片（shard）上从游标（cursor）开始位置获取100条日志
var response = await client.PullLogsAsync(LogStoreName, shardId, cursor, 100);
var result = response.EnsureSuccess().Result;
// 获取Header上的下一条游标（cursor）位置
var nextCursor = response.GetLogCursor();
return(result.LogGroups
.SelectMany(x => x.Logs));
}
/// <summary>
/// 根据时间获得游标（cursor）。
/// </summary>
/// <param name="client">client实例。</param>
/// <param name="logstoreName">日志库名称</param>
/// <param name="shardId">Shard ID</param>
/// <param name="from">时间点（UNIX下秒数），或 begin，end</param>
/// <param name="project">项目名，此参数将覆盖 client 中默认设置。</param>
/// <returns>异步响应结果。</returns>
/// <seealso cref="ILogServiceClient.GetCursorAsync"/>
public static Task <IResponse <GetCursorResult> > GetCursorAsync(this ILogServiceClient client,
String logstoreName, Int32 shardId, String from,
String project = null)
=> client.GetCursorAsync(new GetCursorRequest(logstoreName, shardId, from)
{
ProjectName = project
});
