func Run(mockServer *server.Server, q string) ([]interface{}, []errors.Error, errors.Error) {
var metrics value.Tristate
scanConfiguration := &scanConfigImpl{}
base := server.NewBaseRequest(q, nil, nil, nil, "json", 0, value.FALSE, metrics, value.TRUE, scanConfiguration, "", nil)
mr := &MockResponse{
results: []interface{}{}, warnings: []errors.Error{}, done: make(chan bool),
}
query := &MockQuery{
BaseRequest: *base,
response: mr,
}
select {
case mockServer.Channel() <- query:
// Wait until the request exits.
<-query.CloseNotify()
default:
// Timeout.
return nil, nil, errors.NewError(nil, "Query timed out")
}
// wait till all the results are ready
<-mr.done
return mr.results, mr.warnings, mr.err
}
func newHttpRequest(resp http.ResponseWriter, req *http.Request, bp BufferPool, size int) *httpRequest {
var httpArgs httpRequestArgs
var err errors.Error
// Limit body size in case of denial-of-service attack
req.Body = http.MaxBytesReader(resp, req.Body, int64(size))
e := req.ParseForm()
if e != nil {
err = errors.NewServiceErrorBadValue(e, "request form")
}
if err != nil && req.Method != "GET" && req.Method != "POST" {
err = errors.NewServiceErrorHTTPMethod(req.Method)
}
err = contentNegotiation(resp, req)
if err == nil {
httpArgs, err = getRequestParams(req)
}
var statement string
if err == nil {
statement, err = httpArgs.getStatement()
}
var prepared *plan.Prepared
if err == nil {
prepared, err = getPrepared(httpArgs)
plan, plan_err := getEncodedPlan(httpArgs)
if err != nil && err.Code() == errors.NO_SUCH_PREPARED {
if plan_err != nil {
err = plan_err
}
if plan_err == nil && plan != nil {
prepared = plan
err = nil
}
}
if err == nil && plan_err != nil {
err = plan_err
}
if prepared != nil && plan != nil && prepared.EncodedPlan() != plan.EncodedPlan() {
err = errors.NewPreparedEncodingMismatchError(prepared.Name())
}
}
if err == nil && statement == "" && prepared == nil {
err = errors.NewServiceErrorMissingValue("statement or prepared")
}
var namedArgs map[string]value.Value
if err == nil {
namedArgs, err = httpArgs.getNamedArgs()
}
var positionalArgs value.Values
if err == nil {
positionalArgs, err = httpArgs.getPositionalArgs()
}
var namespace string
if err == nil {
namespace, err = httpArgs.getString(NAMESPACE, "")
}
var timeout time.Duration
if err == nil {
timeout, err = httpArgs.getDuration(TIMEOUT)
}
var max_parallelism int
if err == nil {
var maxp string
maxp, err = httpArgs.getString(MAX_PARALLELISM, "")
if err == nil && maxp != "" {
var e error
max_parallelism, e = strconv.Atoi(maxp)
if e != nil {
err = errors.NewServiceErrorBadValue(e, "max parallelism")
}
}
}
var readonly value.Tristate
if err == nil {
readonly, err = getReadonly(httpArgs, req.Method == "GET")
}
var metrics value.Tristate
if err == nil {
metrics, err = httpArgs.getTristate(METRICS)
}
var format Format
if err == nil {
format, err = getFormat(httpArgs)
}
if err == nil && format != JSON {
err = errors.NewServiceErrorNotImplemented("format", format.String())
}
var signature value.Tristate
if err == nil {
signature, err = httpArgs.getTristate(SIGNATURE)
}
var compression Compression
if err == nil {
compression, err = getCompression(httpArgs)
}
if err == nil && compression != NONE {
err = errors.NewServiceErrorNotImplemented("compression", compression.String())
}
var encoding Encoding
if err == nil {
encoding, err = getEncoding(httpArgs)
}
if err == nil && encoding != UTF8 {
err = errors.NewServiceErrorNotImplemented("encoding", encoding.String())
}
var pretty value.Tristate
if err == nil {
pretty, err = httpArgs.getTristate(PRETTY)
}
if err == nil && pretty == value.FALSE {
err = errors.NewServiceErrorNotImplemented("pretty", "false")
}
var consistency *scanConfigImpl
if err == nil {
consistency, err = getScanConfiguration(httpArgs)
}
var creds datastore.Credentials
if err == nil {
creds, err = getCredentials(httpArgs, req.Header["Authorization"])
}
client_id := ""
if err == nil {
client_id, err = getClientID(httpArgs)
}
base := server.NewBaseRequest(statement, prepared, namedArgs, positionalArgs, namespace,
max_parallelism, readonly, metrics, signature, consistency, client_id, creds)
rv := &httpRequest{
BaseRequest: *base,
resp: resp,
req: req,
requestNotify: make(chan bool, 1),
}
rv.SetTimeout(rv, timeout)
rv.writer = NewBufferedWriter(rv, bp)
// Abort if client closes connection; alternatively, return when request completes.
closeNotify := resp.(http.CloseNotifier).CloseNotify()
closeNotifier := func() {
select {
case <-closeNotify:
rv.Expire()
return
case <-rv.requestNotify:
return
}
}
go closeNotifier()
if err != nil {
rv.Fail(err)
}
return rv
}
