Exemplo n.º 1
0
// From returns all nodes in g that can be reached directly from u.
func (g Undirect) From(u Node) []Node {
	var (
		nodes []Node
		seen  intsets.Sparse
	)
	for _, n := range g.G.From(u) {
		seen.Insert(n.ID())
		nodes = append(nodes, n)
	}
	for _, n := range g.G.To(u) {
		id := n.ID()
		if seen.Has(id) {
			continue
		}
		seen.Insert(id)
		nodes = append(nodes, n)
	}
	return nodes
}
Exemplo n.º 2
0
func TestBasics(t *testing.T) {
	var s intsets.Sparse
	if len := s.Len(); len != 0 {
		t.Errorf("Len({}): got %d, want 0", len)
	}
	if s := s.String(); s != "{}" {
		t.Errorf("String({}): got %q, want \"{}\"", s)
	}
	if s.Has(3) {
		t.Errorf("Has(3): got true, want false")
	}
	if err := s.Check(); err != nil {
		t.Error(err)
	}

	if !s.Insert(3) {
		t.Errorf("Insert(3): got false, want true")
	}
	if max := s.Max(); max != 3 {
		t.Errorf("Max: got %d, want 3", max)
	}

	if !s.Insert(435) {
		t.Errorf("Insert(435): got false, want true")
	}
	if s := s.String(); s != "{3 435}" {
		t.Errorf("String({3 435}): got %q, want \"{3 435}\"", s)
	}
	if max := s.Max(); max != 435 {
		t.Errorf("Max: got %d, want 435", max)
	}
	if len := s.Len(); len != 2 {
		t.Errorf("Len: got %d, want 2", len)
	}

	if !s.Remove(435) {
		t.Errorf("Remove(435): got false, want true")
	}
	if s := s.String(); s != "{3}" {
		t.Errorf("String({3}): got %q, want \"{3}\"", s)
	}
}
Exemplo n.º 3
0
// Insert, Len, IsEmpty, Hash, Clear, AppendTo.
func TestMoreBasics(t *testing.T) {
	set := new(intsets.Sparse)
	set.Insert(456)
	set.Insert(123)
	set.Insert(789)
	if set.Len() != 3 {
		t.Errorf("%s.Len: got %d, want 3", set, set.Len())
	}
	if set.IsEmpty() {
		t.Errorf("%s.IsEmpty: got true", set)
	}
	if !set.Has(123) {
		t.Errorf("%s.Has(123): got false", set)
	}
	if set.Has(1234) {
		t.Errorf("%s.Has(1234): got true", set)
	}
	got := set.AppendTo([]int{-1})
	if want := []int{-1, 123, 456, 789}; fmt.Sprint(got) != fmt.Sprint(want) {
		t.Errorf("%s.AppendTo: got %v, want %v", set, got, want)
	}

	set.Clear()

	if set.Len() != 0 {
		t.Errorf("Clear: got %d, want 0", set.Len())
	}
	if !set.IsEmpty() {
		t.Errorf("IsEmpty: got false")
	}
	if set.Has(123) {
		t.Errorf("%s.Has: got false", set)
	}
}
func ArrayPairSum2(array []int, sum int) []IntPair {
	if len(array) < 2 {
		return nil
	}

	seen := intsets.Sparse{}
	result := make([]IntPair, 0, 100)
	for _, n := range array {
		target := sum - n
		if !seen.Has(target) {
			fmt.Printf("Insert: target=%d, n=%d, seen=%v\n", target, n, seen.String())
			seen.Insert(n)
		} else {
			fmt.Printf("Has: target=%d, n=%d, seen=%v\n", target, n, seen.String())
			result = append(result, IntPair{
				int(math.Min(float64(n), float64(target))),
				int(math.Max(float64(n), float64(target))),
			})
		}
	}
	return result
}
Exemplo n.º 5
0
func (sb *SearchBotT) Search(searchBy map[string]string, searchFor []string, login string, password string, tid string) stonelizard.Response {
	var providers *intsets.Sparse
	var searchFields *intsets.Sparse
	var commonFields *intsets.Sparse
	var oneShotProviders *intsets.Sparse
	var field string
	var isFragmented bool
	var i int
	var p *TaxonomyTreeT
	var hasQueryParm bool
	var rep chan map[string]ResponseFieldT
	var response map[string]ResponseFieldT
	var responses map[string][]ResponseFieldT
	var respCount int

	//TODO: Readaptar
	searchBy["X-Login"] = login
	searchBy["X-Password"] = password
	searchBy["X-Trackid"] = tid

	//   Goose.Search = goose.Alert(6)
	//   defer func() { Goose.Search = goose.Alert(2) }()

	providers = &intsets.Sparse{}

	Goose.Search.Logf(2, "TID:%s len(sb.Providers): %d", tid, len(sb.Providers))

	// Fill the providers set with all provider currently known
	for i = 0; i < len(sb.Providers); i++ {
		providers.Insert(i)
	}

	// Determine if there is at least one bot providing all data needed
	// by repeatedly computing providers ∩= 'providers of a given field'
	for _, field = range searchFor {
		i, _, p = sb.Taxonomy.Search(field)
		if ((i + 1) != len(field)) || (p == nil) || (p.Id < 0) {
			Goose.Search.Logf(1, "TID:%s %s: %s", tid, ErrUndefinedField, field)
			return stonelizard.Response{
				Status: http.StatusInternalServerError,
				Body:   fmt.Sprintf("%s: %s", ErrUndefinedField, field),
			}
		}
		if sb.ByProvision[p.Id] == nil {
			isFragmented = true
			break
		}
		providers.IntersectionWith(sb.ByProvision[p.Id])
		if providers.IsEmpty() {
			isFragmented = true
			break
		}
	}

	Goose.Search.Logf(4, "TID:%s Determined if there is at least one bot providing all data needed (isFragmented=%#v): %#v", tid, isFragmented, providers)

	if !isFragmented {
		// Select in the bots that have all information needed
		// those who require only information we have
		searchFields = &intsets.Sparse{}
		for field, _ = range searchBy {
			i, _, p = sb.Taxonomy.Search(field)
			searchFields.Insert(p.Id)
		}

		Goose.Search.Logf(4, "TID:%s Bitstring of search created: %#v", tid, searchFields)

		oneShotProviders = &intsets.Sparse{}
		commonFields = &intsets.Sparse{}

		Goose.Search.Logf(4, "TID:%s providers.Max(): %d", tid, providers.Max())
		for i = 0; i <= providers.Max(); i++ {
			Goose.Search.Logf(4, "TID:%s Bitstring of sb.Providers[%d].Requires: %#v", tid, i, sb.Providers[i].Requires)
			commonFields.Intersection(searchFields, sb.Providers[i].Requires)
			if commonFields.Len() == sb.Providers[i].Requires.Len() {
				Goose.Search.Logf(4, "TID:%s Intersection at %d", tid, i)
				oneShotProviders.Insert(i)
			}
		}

		Goose.Search.Logf(4, "TID:%s Bitstring of oneShotProviders: %#v", tid, oneShotProviders)

		// If there is at least one bot who gives all fields
		// we need and requires just fields we already have...
		if oneShotProviders.Len() > 0 {
			rep = make(chan map[string]ResponseFieldT, oneShotProviders.Len())
			Goose.Search.Logf(4, "TID:%s len(sb.Providers): %d", tid, len(sb.Providers))
			for i = 0; i <= oneShotProviders.Max(); i++ {
				Goose.Search.Logf(4, "TID:%s oneShotProvider: %d", tid, i)
				if oneShotProviders.Has(i) {
					go func(instance int, report chan map[string]ResponseFieldT) {
						var err error
						var req *http.Request
						var host string
						var path string
						var swParm stonelizard.SwaggerParameterT
						var body map[string]interface{}
						var b_body []byte
						var resp *http.Response
						var qryResponse map[string]ResponseFieldT
						var nHost int
						//                  var buf             []byte
						//                  var n                 int

						Goose.Search.Logf(1, "TID:%s searching instance %d: ", tid, instance)

						defer func() { rep <- qryResponse }()

						for nHost = 0; nHost < len(sb.Providers[instance].Bot.Host); nHost++ {
							if sb.Providers[instance].Bot.Listen[0] == ':' {
								host = sb.Providers[instance].Bot.Host[nHost].Name
							} else {
								nHost = len(sb.Providers[instance].Bot.Host)
							}
							host = sb.Providers[instance].Operation.Schemes[0] + "://" + host + sb.Providers[instance].Bot.Listen

							path = sb.Providers[instance].Path
							body = map[string]interface{}{}

							Goose.Search.Logf(4, "TID:%s  Will add search path=%s, body=%#v", tid, path, body)
							Goose.Search.Logf(4, "TID:%s  Swagger reports the operation parameters are %#v", tid, sb.Providers[instance].Operation.Parameters)
							hasQueryParm = false
							for _, swParm = range sb.Providers[instance].Operation.Parameters {
								Goose.Search.Logf(3, "TID:%s  adding search parm: %s", tid, swParm.Name)
								if swParm.In == "path" {
									path = strings.Replace(path, "{"+swParm.Name+"}", searchBy[swParm.Name], -1)
									Goose.Search.Logf(3, "TID:%s path now is: %s", tid, path)
								} else if swParm.In == "query" {
									if !hasQueryParm {
										path += "?"
										hasQueryParm = true
									} else {
										path += "&"
									}
									path += swParm.Name + "=" + url.QueryEscape(searchBy[swParm.Name])
									Goose.Search.Logf(4, "TID:%s path now is: %#v", tid, path)
								} else if swParm.In == "body" {
									body[swParm.Name] = searchBy[swParm.Name]
									Goose.Search.Logf(4, "TID:%s body now is: %#v", tid, body)
								}
							}

							if sb.Providers[instance].Operation.Consumes[0] == "application/json" {
								b_body, err = json.Marshal(body)
							} else if sb.Providers[instance].Operation.Consumes[0] == "application/xml" {
								b_body, err = xml.Marshal(body)
							}

							if err != nil {
								Goose.Search.Logf(1, "TID:%s %s: %s", tid, ErrMarshalingRequestBody, err)
								return
							}

							Goose.Search.Logf(4, "TID:%s Requesting search via %s:%s%s with body=%#v", tid, sb.Providers[instance].HttpMethod, host, path, body)

							req, err = http.NewRequest(sb.Providers[instance].HttpMethod, host+path, bytes.NewReader(b_body))
							if err != nil {
								Goose.Search.Logf(1, "%s: %s", ErrAssemblyingRequest, err)
								return
							}

							for _, swParm = range sb.Providers[instance].Operation.Parameters {
								if swParm.In == "header" {
									if _, ok := req.Header[swParm.Name]; ok {
										req.Header[swParm.Name] = append(req.Header[swParm.Name], searchBy[swParm.Name])
									} else {
										req.Header[swParm.Name] = []string{searchBy[swParm.Name]}
									}

									//                           req.Header.Add(swParm.Name,searchBy[swParm.Name])
								}
							}

							resp, err = sb.HttpsSearchClient.Do(req)
							if err != nil {
								Goose.Search.Logf(1, "TID:%s %s: %s", tid, ErrQueryingSearchBot, err)
								continue // Let's try querying another instance of the search bots
							}

							/*
							   if resp.ContentLength > 0 {
							      b_body = make([]byte,resp.ContentLength)
							      err = io.ReadFull(resp.Body,b_body)
							   } else {
							      b_body = make([]byte,bufsz)
							      buf    = b_body
							      err    = nil
							      for err == nil {
							         n, err = resp.Body.Read(buf)
							         if (n==0) && (err==io.EOF) {
							            break
							         }
							         if (err!=nil) && (err!=io.EOF) {
							            Goose.Search.Logf(1,"TID:%s %s: %s",tid,ErrReadingResponseBody,err)
							            return
							         }
							         if n < bufsz {
							            b_body = b_body[:len(b_body)-(bufsz-n)]
							            break
							         }
							         b_body = append(b_body,...make([]byte,bufsz))
							         buf    = b_body[len(b_body)-bufsz:]
							      }
							   }
							*/
							//                     tmpbody, _ :=ioutil.ReadAll(resp.Body)
							//                     Goose.Search.Logf(4,"TID:%s Response: %s",tid,tmpbody)

							if sb.Providers[instance].Operation.Produces[0] == "application/json" {
								err = json.NewDecoder(resp.Body).Decode(&body)
							} else if sb.Providers[instance].Operation.Produces[0] == "application/xml" {
								err = xml.NewDecoder(resp.Body).Decode(&body)
							}

							Goose.Search.Logf(4, "TID:%s Response body: %#v", tid, body)

							if err != nil {
								Goose.Search.Logf(1, "TID:%s %s: %s", tid, ErrUnmarshalingRequestBody, err)
								return
							}

							qryResponse = map[string]ResponseFieldT{}
							for _, fieldName := range searchFor {
								Goose.Search.Logf(4, "TID:%s fetching Field %s: %#v", tid, fieldName, body[fieldName])
								Goose.Search.Logf(7, "TID:%s body[dtupdate]: %#v", tid, body["dtupdate"])
								Goose.Search.Logf(7, "TID:%s sb.Providers[instance].BotId: %#v", tid, sb.Providers[instance].BotId)
								Goose.Search.Logf(7, "TID:%s sb.Providers[instance].Bot.Host[nHost]: %#v", tid, sb.Providers[instance].Bot.Host[nHost])
								qryResponse[fieldName] = ResponseFieldT{
									Value:  body[fieldName],
									Source: sb.Providers[instance].BotId + "@" + sb.Providers[instance].Bot.Host[nHost].Name,
									DtUpd:  body["DtUpdate"].(string),
								}
							}

							Goose.Search.Logf(4, "TID:%s ResponseFieldT: %#v", tid, qryResponse)
							break
						}
					}(i, rep)
				}
			}

			responses = map[string][]ResponseFieldT{}
			for respCount < oneShotProviders.Len() {
				Goose.Search.Logf(4, "TID:%s Waiting response %d/%d", tid, respCount, oneShotProviders.Len())
				response = <-rep
				respCount++
				if response != nil {
					Goose.Search.Logf(4, "TID:%s Got response from bot: %#v", tid, response)
					for k, v := range response {
						if _, ok := responses[k]; ok {
							responses[k] = append(responses[k], v)
						} else {
							responses[k] = []ResponseFieldT{v}
						}
					}
				} else {
					Goose.Search.Logf(1, "TID:%s Bot instance failed", tid)
				}
			}

			Goose.Search.Logf(4, "TID:%s Final consolidated ResponseFieldT: %#v", tid, responses)
			return stonelizard.Response{
				Status: http.StatusOK,
				Body:   responses,
			}
		}
	}

	/*
	   if !isFragmented {
	      for i=0; i < providers.Max(); i++ {
	         if providers.Has(i) {
	            go func(instance int) {
	               sb.HttpsSearchClient.Get(sb.Providers[i])
	            }(i)
	         }
	      }
	   }
	*/

	return stonelizard.Response{
		Status: http.StatusOK,
		Body:   "Unimplemented yet!",
	}
}