public void ProcessRequest (HttpContext context) {
var lane_id = context.Request ["lane_id"].ToUInt32 ();
if (lane_id == null) {
context.Response.StatusCode = 400;
context.Response.ContentType = "text/plain";
context.Response.Write ("lane_id GET parameter is required.");
return;
}
using (var db = new DB ())
using (var cmd = db.CreateCommand ()) {
DB.CreateParameter (cmd, "nlimit", LIMIT);
DB.CreateParameter (cmd, "lane_id", (int) lane_id.Value);
cmd.CommandText = @"SELECT 1 FROM lane WHERE id = @lane_id";
if (cmd.ExecuteScalar () == null) {
context.Response.StatusCode = 404;
context.Response.ContentType = "text/plain";
context.Response.Write ("No such lane.");
return;
}
cmd.CommandText = @"
SELECT rw.id, lane, host.host, revision, rw.state, rw.createdtime, rw.assignedtime, rw.startedtime, rw.endtime, workhost.host
FROM revisionwork AS rw
INNER JOIN lane ON lane.id = rw.lane_id
INNER JOIN host ON host.id = rw.host_id
LEFT OUTER JOIN host AS workhost ON workhost.id = rw.workhost_id
INNER JOIN revision ON revision.id = rw.revision_id
WHERE lane.id = @lane_id AND createdtime IS NOT NULL
ORDER BY rw.createdtime DESC
LIMIT @nlimit;
";
using (var reader = cmd.ExecuteReader ()) {
var commits = new JArray ();
while (reader.Read ()) {
var commit = new JObject ();
commit ["id"] = reader.GetInt32 (0);
commit ["lane"] = reader.GetString (1);
commit ["host"] = reader.GetString (2);
commit ["revision"] = reader.GetString (3);
commit ["status"] = reader.GetInt32 (4);
commit ["createdtime"] = dateTimeToMilliseconds(reader.GetDateTimeOrNull(5));
commit ["assignedtime"] = dateTimeToMilliseconds(reader.GetDateTimeOrNull(6));
commit ["startedtime"] = dateTimeToMilliseconds(reader.GetDateTimeOrNull(7));
commit ["endtime"] = dateTimeToMilliseconds(reader.GetDateTimeOrNull(8));
commit ["assignedhost"] = reader.IsDBNull(9) ? null : reader.GetString (9);
commits.Add (commit);
}
context.Response.StatusCode = 200;
context.Response.ContentType = "application/json";
context.Response.Write (commits.ToString ());
}
}
}
public static bool IsSuccess (this DBLaneDependency me, DB db, string revision)
{
using (IDbCommand cmd = db.CreateCommand ()) {
cmd.CommandText = @"
SELECT RevisionWork.id
FROM RevisionWork
INNER JOIN Revision ON Revision.id = RevisionWork.revision_id
WHERE RevisionWork.lane_id = @lane_id AND Revision.revision = @revision
";
// The state of the dependent revision
switch (me.Condition) {
case DBLaneDependencyCondition.DependentLaneIssuesOrSuccess:
cmd.CommandText += " AND (RevisionWork.state = @success OR RevisionWork.state == @issues)";
DB.CreateParameter (cmd, "issues", (int) DBState.Issues);
break;
default:
cmd.CommandText += " AND RevisionWork.state = @success";
break;
}
DB.CreateParameter (cmd, "success", (int) DBState.Success);
if (me.dependent_host_id.HasValue) {
cmd.CommandText += " AND RevisionWork.host_id = @host_id";
DB.CreateParameter (cmd, "host_id", me.dependent_host_id.Value);
}
switch (me.Condition) {
case DBLaneDependencyCondition.DependentLaneSuccess:
case DBLaneDependencyCondition.DependentLaneIssuesOrSuccess:
break;
case DBLaneDependencyCondition.DependentLaneSuccessWithFile:
cmd.CommandText += " AND WorkFile.filename = @filename";
DB.CreateParameter (cmd, "filename", me.filename);
break;
default:
log.ErrorFormat ("LaneDependency '{0}' contains an unknown dependency condition: {1}", me.id, me.Condition);
return false;
}
cmd.CommandText += " LIMIT 1;";
DB.CreateParameter (cmd, "lane_id", me.dependent_lane_id);
DB.CreateParameter (cmd, "revision", revision); // Don't join with id here, if the revision comes from another lane, it might have a different id
object obj = cmd.ExecuteScalar ();
bool result = obj != null && !(obj is DBNull);
log.DebugFormat ("Dependency id {0}: {1} (condition: {2}, revision: {3}, host_id: {4}, filename: {5}, lane: {6})", me.id, result, me.Condition, revision, me.dependent_host_id.HasValue ? me.dependent_host_id.Value.ToString () : "null", me.filename, me.dependent_lane_id);
return result;
}
}
/// <summary>
/// Returns a list of all the dependencies for the specified lane.
/// Returns null if there are no dependencies for the lane.
/// </summary>
/// <param name="lane"></param>
/// <returns></returns>
public static List<DBLaneDependency> GetDependencies (DB db, DBLane lane)
{
List<DBLaneDependency> result = null;
using (IDbCommand cmd = db.CreateCommand ()) {
cmd.CommandText = "SELECT * FROM LaneDependency";
if (lane != null) {
cmd.CommandText += " WHERE lane_id = @lane_id";
DB.CreateParameter (cmd, "lane_id", lane.id);
}
cmd.CommandText += ";";
using (IDataReader reader = cmd.ExecuteReader ()) {
while (reader.Read ()) {
if (result == null)
result = new List<DBLaneDependency> ();
result.Add (new DBLaneDependency (reader));
}
}
}
return result;
}
