-
Notifications
You must be signed in to change notification settings - Fork 45
/
ints_builder.go
208 lines (187 loc) · 5.95 KB
/
ints_builder.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
package integrationdiagram
import (
"sort"
"github.com/anz-bank/sysl/pkg/sysl"
"github.com/anz-bank/sysl/pkg/syslutil"
)
const endpointWildcard = ".. * <- *"
type IntsBuilder struct {
M *sysl.Module
SeedApps []string
SeedAppsMap syslutil.StrSet
Passthroughs syslutil.StrSet
Excludes syslutil.StrSet
FinalApps []string
FinalAppsMap syslutil.StrSet
Deps syslutil.StrSet
DepsOut []AppDependency
}
func sortedSlice(endpts map[string]*sysl.Endpoint) []string {
s := []string{}
for epname := range endpts {
s = append(s, epname)
}
sort.Strings(s)
return s
}
func MakeBuilderfromStmt(m *sysl.Module, stmts []*sysl.Statement, excludes, passthroughs syslutil.StrSet) *IntsBuilder {
b := &IntsBuilder{
M: m,
SeedApps: []string{},
Excludes: excludes,
Passthroughs: passthroughs,
FinalApps: []string{},
FinalAppsMap: syslutil.StrSet{},
Deps: syslutil.StrSet{},
DepsOut: []AppDependency{},
}
collector := endpointWildcard
apps := b.M.GetApps()
// build list to start from
// aka SeedApps
for _, stmt := range stmts {
if a, ok := stmt.Stmt.(*sysl.Statement_Action); ok {
app := apps[a.Action.Action]
if app != nil && !syslutil.HasPattern(app.GetAttrs(), "human") {
b.SeedApps = append(b.SeedApps, a.Action.Action)
b.FinalApps = append(b.FinalApps, a.Action.Action)
}
}
}
b.SeedAppsMap = syslutil.MakeStrSet(b.SeedApps...)
// add direct dependencies of SeedApps
// dont include targetApp if its in exclude
// if targetApp in passthrough, only add apps that are called by this endpoint
// and do this recursively till the app is in passthrough
for _, appname := range b.SeedApps {
app := apps[appname]
for _, epname := range sortedSlice(app.GetEndpoints()) {
if epname != collector {
endpt := app.GetEndpoints()[epname]
ProcessCalls(appname, epname, endpt.GetStmt(), b.ProcessExcludeAndPassthrough)
}
}
}
// look for apps that are dependent on SeedApps
appsNames := make([]string, 0, len(apps))
for appname := range apps {
appsNames = append(appsNames, appname)
}
sort.Strings(appsNames)
for _, appname := range appsNames {
app := apps[appname]
for _, epname := range sortedSlice(app.GetEndpoints()) {
if epname != collector {
endpt := app.GetEndpoints()[epname]
ProcessCalls(appname, epname, endpt.GetStmt(), b.MyCallers)
}
}
}
b.FinalAppsMap = syslutil.MakeStrSet(b.FinalApps...)
// connect all the apps that we have so far
for _, appname := range b.FinalApps {
app := apps[appname]
for _, epname := range sortedSlice(app.GetEndpoints()) {
if epname != collector {
endpt := app.GetEndpoints()[epname]
ProcessCalls(appname, epname, endpt.GetStmt(), b.IndirectCalls)
}
}
}
return b
}
func (b *IntsBuilder) IndirectCalls(sourceApp, epname string, t *sysl.Statement) {
call := t.GetCall()
targetApp := syslutil.GetAppName(call.GetTarget())
if !b.FinalAppsMap.Contains(targetApp) {
return
}
if syslutil.HasPattern(b.M.GetApps()[targetApp].GetAttrs(), "human") {
return
}
if !syslutil.HasPattern(b.M.GetApps()[targetApp].Endpoints[call.Endpoint].GetAttrs(), "hidden") {
b.AddCall(sourceApp, epname, t)
}
}
func (b *IntsBuilder) MyCallers(sourceApp, epname string, t *sysl.Statement) {
if b.Excludes.Contains(sourceApp) {
return
}
call := t.GetCall()
targetApp := syslutil.GetAppName(call.GetTarget())
if !b.SeedAppsMap.Contains(targetApp) {
return
}
if syslutil.HasPattern(b.M.GetApps()[targetApp].GetAttrs(), "human") {
return
}
if !syslutil.HasPattern(b.M.GetApps()[targetApp].Endpoints[call.Endpoint].GetAttrs(), "hidden") {
b.AddCall(sourceApp, epname, t)
}
b.FinalApps = append(b.FinalApps, sourceApp)
}
func (b *IntsBuilder) WalkPassthrough(appname, epname string) {
if b.Passthroughs.Contains(appname) {
endpt := b.M.GetApps()[appname].GetEndpoints()[epname]
ProcessCalls(appname, epname, endpt.GetStmt(), b.ProcessExcludeAndPassthrough)
}
}
// meant to be called only for initial seed apps
// i.e. expect all calls to be added, except if the targetApp is in excluded list
func (b *IntsBuilder) ProcessExcludeAndPassthrough(sourceApp, epname string, t *sysl.Statement) {
call := t.GetCall()
targetApp := syslutil.GetAppName(call.GetTarget())
if /* b.Excludes.Contains(sourceApp) || */ b.Excludes.Contains(targetApp) {
return
}
if syslutil.HasPattern(b.M.GetApps()[targetApp].GetAttrs(), "human") {
return
}
if !syslutil.HasPattern(b.M.GetApps()[targetApp].Endpoints[call.Endpoint].GetAttrs(), "hidden") {
b.AddCall(sourceApp, epname, t)
}
b.FinalApps = append(b.FinalApps, targetApp)
b.WalkPassthrough(targetApp, call.Endpoint)
}
func (b *IntsBuilder) AddCall(appname, epname string, t *sysl.Statement) {
call := t.GetCall()
targetApp := syslutil.GetAppName(call.GetTarget())
dep := AppDependency{
Self: AppElement{Name: appname, Endpoint: epname},
Target: AppElement{Name: targetApp, Endpoint: call.Endpoint},
Statement: t,
}
k := dep.String()
if _, has := b.Deps[k]; has {
return
}
b.Deps.Insert(k)
b.DepsOut = append(b.DepsOut, dep)
}
type callHandler func(appname, epname string, stmt *sysl.Statement)
func ProcessCalls(appname, epname string, stmts []*sysl.Statement, fn callHandler) {
for _, stmt := range stmts {
switch t := stmt.GetStmt().(type) {
case *sysl.Statement_Call:
fn(appname, epname, stmt)
case *sysl.Statement_Action, *sysl.Statement_Ret:
continue
case *sysl.Statement_Cond:
ProcessCalls(appname, epname, t.Cond.GetStmt(), fn)
case *sysl.Statement_Loop:
ProcessCalls(appname, epname, t.Loop.GetStmt(), fn)
case *sysl.Statement_LoopN:
ProcessCalls(appname, epname, t.LoopN.GetStmt(), fn)
case *sysl.Statement_Foreach:
ProcessCalls(appname, epname, t.Foreach.GetStmt(), fn)
case *sysl.Statement_Group:
ProcessCalls(appname, epname, t.Group.GetStmt(), fn)
case *sysl.Statement_Alt:
for _, choice := range t.Alt.GetChoice() {
ProcessCalls(appname, epname, choice.GetStmt(), fn)
}
default:
panic("No statement!")
}
}
}