[VOL-4290] Voltha go library updates for gRPC migration
Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/gopkg.in/yaml.v2/.travis.yml b/vendor/gopkg.in/yaml.v2/.travis.yml
index 9f55693..7348c50 100644
--- a/vendor/gopkg.in/yaml.v2/.travis.yml
+++ b/vendor/gopkg.in/yaml.v2/.travis.yml
@@ -1,12 +1,17 @@
language: go
go:
- - 1.4
- - 1.5
- - 1.6
- - 1.7
- - 1.8
- - 1.9
- - tip
+ - "1.4.x"
+ - "1.5.x"
+ - "1.6.x"
+ - "1.7.x"
+ - "1.8.x"
+ - "1.9.x"
+ - "1.10.x"
+ - "1.11.x"
+ - "1.12.x"
+ - "1.13.x"
+ - "1.14.x"
+ - "tip"
go_import_path: gopkg.in/yaml.v2
diff --git a/vendor/gopkg.in/yaml.v2/apic.go b/vendor/gopkg.in/yaml.v2/apic.go
index 1f7e87e..acf7140 100644
--- a/vendor/gopkg.in/yaml.v2/apic.go
+++ b/vendor/gopkg.in/yaml.v2/apic.go
@@ -79,6 +79,8 @@
parser.encoding = encoding
}
+var disableLineWrapping = false
+
// Create a new emitter object.
func yaml_emitter_initialize(emitter *yaml_emitter_t) {
*emitter = yaml_emitter_t{
@@ -87,6 +89,9 @@
states: make([]yaml_emitter_state_t, 0, initial_stack_size),
events: make([]yaml_event_t, 0, initial_queue_size),
}
+ if disableLineWrapping {
+ emitter.best_width = -1
+ }
}
// Destroy an emitter object.
diff --git a/vendor/gopkg.in/yaml.v2/decode.go b/vendor/gopkg.in/yaml.v2/decode.go
index 91679b5..129bc2a 100644
--- a/vendor/gopkg.in/yaml.v2/decode.go
+++ b/vendor/gopkg.in/yaml.v2/decode.go
@@ -318,12 +318,41 @@
return out, false, false
}
+const (
+ // 400,000 decode operations is ~500kb of dense object declarations, or
+ // ~5kb of dense object declarations with 10000% alias expansion
+ alias_ratio_range_low = 400000
+
+ // 4,000,000 decode operations is ~5MB of dense object declarations, or
+ // ~4.5MB of dense object declarations with 10% alias expansion
+ alias_ratio_range_high = 4000000
+
+ // alias_ratio_range is the range over which we scale allowed alias ratios
+ alias_ratio_range = float64(alias_ratio_range_high - alias_ratio_range_low)
+)
+
+func allowedAliasRatio(decodeCount int) float64 {
+ switch {
+ case decodeCount <= alias_ratio_range_low:
+ // allow 99% to come from alias expansion for small-to-medium documents
+ return 0.99
+ case decodeCount >= alias_ratio_range_high:
+ // allow 10% to come from alias expansion for very large documents
+ return 0.10
+ default:
+ // scale smoothly from 99% down to 10% over the range.
+ // this maps to 396,000 - 400,000 allowed alias-driven decodes over the range.
+ // 400,000 decode operations is ~100MB of allocations in worst-case scenarios (single-item maps).
+ return 0.99 - 0.89*(float64(decodeCount-alias_ratio_range_low)/alias_ratio_range)
+ }
+}
+
func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) {
d.decodeCount++
if d.aliasDepth > 0 {
d.aliasCount++
}
- if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > 0.99 {
+ if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > allowedAliasRatio(d.decodeCount) {
failf("document contains excessive aliasing")
}
switch n.kind {
@@ -759,8 +788,7 @@
case mappingNode:
d.unmarshal(n, out)
case aliasNode:
- an, ok := d.doc.anchors[n.value]
- if ok && an.kind != mappingNode {
+ if n.alias != nil && n.alias.kind != mappingNode {
failWantMap()
}
d.unmarshal(n, out)
@@ -769,8 +797,7 @@
for i := len(n.children) - 1; i >= 0; i-- {
ni := n.children[i]
if ni.kind == aliasNode {
- an, ok := d.doc.anchors[ni.value]
- if ok && an.kind != mappingNode {
+ if ni.alias != nil && ni.alias.kind != mappingNode {
failWantMap()
}
} else if ni.kind != mappingNode {
diff --git a/vendor/gopkg.in/yaml.v2/go.mod b/vendor/gopkg.in/yaml.v2/go.mod
index 1934e87..2cbb85a 100644
--- a/vendor/gopkg.in/yaml.v2/go.mod
+++ b/vendor/gopkg.in/yaml.v2/go.mod
@@ -1,5 +1,5 @@
-module "gopkg.in/yaml.v2"
+module gopkg.in/yaml.v2
-require (
- "gopkg.in/check.v1" v0.0.0-20161208181325-20d25e280405
-)
+go 1.15
+
+require gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405
diff --git a/vendor/gopkg.in/yaml.v2/scannerc.go b/vendor/gopkg.in/yaml.v2/scannerc.go
index 077fd1d..0b9bb60 100644
--- a/vendor/gopkg.in/yaml.v2/scannerc.go
+++ b/vendor/gopkg.in/yaml.v2/scannerc.go
@@ -626,30 +626,17 @@
func yaml_parser_fetch_more_tokens(parser *yaml_parser_t) bool {
// While we need more tokens to fetch, do it.
for {
- // Check if we really need to fetch more tokens.
- need_more_tokens := false
-
- if parser.tokens_head == len(parser.tokens) {
- // Queue is empty.
- need_more_tokens = true
- } else {
- // Check if any potential simple key may occupy the head position.
- if !yaml_parser_stale_simple_keys(parser) {
+ if parser.tokens_head != len(parser.tokens) {
+ // If queue is non-empty, check if any potential simple key may
+ // occupy the head position.
+ head_tok_idx, ok := parser.simple_keys_by_tok[parser.tokens_parsed]
+ if !ok {
+ break
+ } else if valid, ok := yaml_simple_key_is_valid(parser, &parser.simple_keys[head_tok_idx]); !ok {
return false
+ } else if !valid {
+ break
}
-
- for i := range parser.simple_keys {
- simple_key := &parser.simple_keys[i]
- if simple_key.possible && simple_key.token_number == parser.tokens_parsed {
- need_more_tokens = true
- break
- }
- }
- }
-
- // We are finished.
- if !need_more_tokens {
- break
}
// Fetch the next token.
if !yaml_parser_fetch_next_token(parser) {
@@ -678,11 +665,6 @@
return false
}
- // Remove obsolete potential simple keys.
- if !yaml_parser_stale_simple_keys(parser) {
- return false
- }
-
// Check the indentation level against the current column.
if !yaml_parser_unroll_indent(parser, parser.mark.column) {
return false
@@ -837,29 +819,30 @@
"found character that cannot start any token")
}
-// Check the list of potential simple keys and remove the positions that
-// cannot contain simple keys anymore.
-func yaml_parser_stale_simple_keys(parser *yaml_parser_t) bool {
- // Check for a potential simple key for each flow level.
- for i := range parser.simple_keys {
- simple_key := &parser.simple_keys[i]
-
- // The specification requires that a simple key
- //
- // - is limited to a single line,
- // - is shorter than 1024 characters.
- if simple_key.possible && (simple_key.mark.line < parser.mark.line || simple_key.mark.index+1024 < parser.mark.index) {
-
- // Check if the potential simple key to be removed is required.
- if simple_key.required {
- return yaml_parser_set_scanner_error(parser,
- "while scanning a simple key", simple_key.mark,
- "could not find expected ':'")
- }
- simple_key.possible = false
- }
+func yaml_simple_key_is_valid(parser *yaml_parser_t, simple_key *yaml_simple_key_t) (valid, ok bool) {
+ if !simple_key.possible {
+ return false, true
}
- return true
+
+ // The 1.2 specification says:
+ //
+ // "If the ? indicator is omitted, parsing needs to see past the
+ // implicit key to recognize it as such. To limit the amount of
+ // lookahead required, the “:” indicator must appear at most 1024
+ // Unicode characters beyond the start of the key. In addition, the key
+ // is restricted to a single line."
+ //
+ if simple_key.mark.line < parser.mark.line || simple_key.mark.index+1024 < parser.mark.index {
+ // Check if the potential simple key to be removed is required.
+ if simple_key.required {
+ return false, yaml_parser_set_scanner_error(parser,
+ "while scanning a simple key", simple_key.mark,
+ "could not find expected ':'")
+ }
+ simple_key.possible = false
+ return false, true
+ }
+ return true, true
}
// Check if a simple key may start at the current position and add it if
@@ -879,13 +862,14 @@
possible: true,
required: required,
token_number: parser.tokens_parsed + (len(parser.tokens) - parser.tokens_head),
+ mark: parser.mark,
}
- simple_key.mark = parser.mark
if !yaml_parser_remove_simple_key(parser) {
return false
}
parser.simple_keys[len(parser.simple_keys)-1] = simple_key
+ parser.simple_keys_by_tok[simple_key.token_number] = len(parser.simple_keys) - 1
}
return true
}
@@ -900,19 +884,33 @@
"while scanning a simple key", parser.simple_keys[i].mark,
"could not find expected ':'")
}
+ // Remove the key from the stack.
+ parser.simple_keys[i].possible = false
+ delete(parser.simple_keys_by_tok, parser.simple_keys[i].token_number)
}
- // Remove the key from the stack.
- parser.simple_keys[i].possible = false
return true
}
+// max_flow_level limits the flow_level
+const max_flow_level = 10000
+
// Increase the flow level and resize the simple key list if needed.
func yaml_parser_increase_flow_level(parser *yaml_parser_t) bool {
// Reset the simple key on the next level.
- parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{})
+ parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{
+ possible: false,
+ required: false,
+ token_number: parser.tokens_parsed + (len(parser.tokens) - parser.tokens_head),
+ mark: parser.mark,
+ })
// Increase the flow level.
parser.flow_level++
+ if parser.flow_level > max_flow_level {
+ return yaml_parser_set_scanner_error(parser,
+ "while increasing flow level", parser.simple_keys[len(parser.simple_keys)-1].mark,
+ fmt.Sprintf("exceeded max depth of %d", max_flow_level))
+ }
return true
}
@@ -920,11 +918,16 @@
func yaml_parser_decrease_flow_level(parser *yaml_parser_t) bool {
if parser.flow_level > 0 {
parser.flow_level--
- parser.simple_keys = parser.simple_keys[:len(parser.simple_keys)-1]
+ last := len(parser.simple_keys) - 1
+ delete(parser.simple_keys_by_tok, parser.simple_keys[last].token_number)
+ parser.simple_keys = parser.simple_keys[:last]
}
return true
}
+// max_indents limits the indents stack size
+const max_indents = 10000
+
// Push the current indentation level to the stack and set the new level
// the current column is greater than the indentation level. In this case,
// append or insert the specified token into the token queue.
@@ -939,6 +942,11 @@
// indentation level.
parser.indents = append(parser.indents, parser.indent)
parser.indent = column
+ if len(parser.indents) > max_indents {
+ return yaml_parser_set_scanner_error(parser,
+ "while increasing indent level", parser.simple_keys[len(parser.simple_keys)-1].mark,
+ fmt.Sprintf("exceeded max depth of %d", max_indents))
+ }
// Create a token and insert it into the queue.
token := yaml_token_t{
@@ -989,6 +997,8 @@
// Initialize the simple key stack.
parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{})
+ parser.simple_keys_by_tok = make(map[int]int)
+
// A simple key is allowed at the beginning of the stream.
parser.simple_key_allowed = true
@@ -1270,7 +1280,11 @@
simple_key := &parser.simple_keys[len(parser.simple_keys)-1]
// Have we found a simple key?
- if simple_key.possible {
+ if valid, ok := yaml_simple_key_is_valid(parser, simple_key); !ok {
+ return false
+
+ } else if valid {
+
// Create the KEY token and insert it into the queue.
token := yaml_token_t{
typ: yaml_KEY_TOKEN,
@@ -1288,6 +1302,7 @@
// Remove the simple key.
simple_key.possible = false
+ delete(parser.simple_keys_by_tok, simple_key.token_number)
// A simple key cannot follow another simple key.
parser.simple_key_allowed = false
diff --git a/vendor/gopkg.in/yaml.v2/yaml.go b/vendor/gopkg.in/yaml.v2/yaml.go
index de85aa4..3081388 100644
--- a/vendor/gopkg.in/yaml.v2/yaml.go
+++ b/vendor/gopkg.in/yaml.v2/yaml.go
@@ -89,7 +89,7 @@
return unmarshal(in, out, true)
}
-// A Decorder reads and decodes YAML values from an input stream.
+// A Decoder reads and decodes YAML values from an input stream.
type Decoder struct {
strict bool
parser *parser
@@ -175,7 +175,7 @@
// Zero valued structs will be omitted if all their public
// fields are zero, unless they implement an IsZero
// method (see the IsZeroer interface type), in which
-// case the field will be included if that method returns true.
+// case the field will be excluded if IsZero returns true.
//
// flow Marshal using a flow style (useful for structs,
// sequences and maps).
@@ -464,3 +464,15 @@
}
return false
}
+
+// FutureLineWrap globally disables line wrapping when encoding long strings.
+// This is a temporary and thus deprecated method introduced to faciliate
+// migration towards v3, which offers more control of line lengths on
+// individual encodings, and has a default matching the behavior introduced
+// by this function.
+//
+// The default formatting of v2 was erroneously changed in v2.3.0 and reverted
+// in v2.4.0, at which point this function was introduced to help migration.
+func FutureLineWrap() {
+ disableLineWrapping = true
+}
diff --git a/vendor/gopkg.in/yaml.v2/yamlh.go b/vendor/gopkg.in/yaml.v2/yamlh.go
index e25cee5..f6a9c8e 100644
--- a/vendor/gopkg.in/yaml.v2/yamlh.go
+++ b/vendor/gopkg.in/yaml.v2/yamlh.go
@@ -579,6 +579,7 @@
simple_key_allowed bool // May a simple key occur at the current position?
simple_keys []yaml_simple_key_t // The stack of simple keys.
+ simple_keys_by_tok map[int]int // possible simple_key indexes indexed by token_number
// Parser stuff