feat: add phone frequency controls and modularize codebase
This commit is contained in:
hectorzhao
@@ -0,0 +1,187 @@
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package inbound
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import (
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"fmt"
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cmpp "github.com/bigwhite/gocmpp"
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"log"
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"os"
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"strconv"
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"strings"
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"sync"
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"time"
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)
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// The Submit barrier is intentionally colocated with ACK tracking: a queued
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// receipt must never overtake the SubmitResp that establishes its Msg_Id.
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const defaultDownstreamAckTimeout = 30 * time.Second
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type downstreamAckTracker struct {
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deliveryID string
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connectionID string
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sequenceID uint32
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messageID uint64
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session *downstreamSession
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timer *time.Timer
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}
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var downstreamAckRegistry = struct {
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sync.Mutex
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items map[string]*downstreamAckTracker
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}{items: make(map[string]*downstreamAckTracker)}
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var downstreamSubmitBarrier = struct {
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sync.RWMutex
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byConn map[*cmpp.Conn]int
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}{byConn: make(map[*cmpp.Conn]int)}
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func beginDownstreamSubmitBarrier(conn *cmpp.Conn) func() {
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if conn == nil {
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return func() {}
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}
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downstreamSubmitBarrier.Lock()
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downstreamSubmitBarrier.byConn[conn]++
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downstreamSubmitBarrier.Unlock()
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var once sync.Once
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return func() {
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once.Do(func() {
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downstreamSubmitBarrier.Lock()
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if downstreamSubmitBarrier.byConn[conn] <= 1 {
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delete(downstreamSubmitBarrier.byConn, conn)
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} else {
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downstreamSubmitBarrier.byConn[conn]--
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}
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downstreamSubmitBarrier.Unlock()
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})
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}
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}
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func downstreamSubmitResponsePending(conn *cmpp.Conn) bool {
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if conn == nil {
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return false
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}
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downstreamSubmitBarrier.RLock()
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defer downstreamSubmitBarrier.RUnlock()
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return downstreamSubmitBarrier.byConn[conn] > 0
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}
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func downstreamAckKey(conn *cmpp.Conn, sequenceID uint32) string {
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return fmt.Sprintf("%p:%d", conn, sequenceID)
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}
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func registerDownstreamAck(session *downstreamSession, deliveryID string, sequenceID uint32, messageID uint64, deadline time.Time) *downstreamAckTracker {
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if session == nil || session.conn == nil || strings.TrimSpace(deliveryID) == "" {
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return nil
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}
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tracker := &downstreamAckTracker{
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deliveryID: deliveryID, connectionID: session.connectionID,
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sequenceID: sequenceID, messageID: messageID, session: session,
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}
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key := downstreamAckKey(session.conn, sequenceID)
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downstreamAckRegistry.Lock()
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downstreamAckRegistry.items[key] = tracker
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downstreamAckRegistry.Unlock()
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tracker.timer = time.AfterFunc(time.Until(deadline), func() {
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timedOut := takeDownstreamAck(session.conn, sequenceID)
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if timedOut == nil || timedOut.session == nil || timedOut.session.deliveryReport == nil {
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return
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}
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timedOut.session.deliveryReport(downstreamDeliveryLifecycleEvent{
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Kind: "failed", DeliveryID: timedOut.deliveryID, ConnectionID: timedOut.connectionID,
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SequenceID: timedOut.sequenceID, MessageID: timedOut.messageID, ObservedAt: time.Now().UTC(),
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FailureType: "ack_timeout", ErrorMessage: "CMPP_DELIVER_RESP timeout",
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})
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})
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return tracker
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}
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func takeDownstreamAck(conn *cmpp.Conn, sequenceID uint32) *downstreamAckTracker {
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key := downstreamAckKey(conn, sequenceID)
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downstreamAckRegistry.Lock()
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tracker := downstreamAckRegistry.items[key]
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delete(downstreamAckRegistry.items, key)
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downstreamAckRegistry.Unlock()
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if tracker != nil && tracker.timer != nil {
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tracker.timer.Stop()
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}
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return tracker
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}
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func removeDownstreamAck(tracker *downstreamAckTracker) {
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if tracker == nil || tracker.session == nil {
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return
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}
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_ = takeDownstreamAck(tracker.session.conn, tracker.sequenceID)
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}
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func handleDownstreamAcknowledgement(conn *cmpp.Conn, sequenceID uint32, messageID uint64, result uint32, logger *log.Logger) {
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tracker := takeDownstreamAck(conn, sequenceID)
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if tracker == nil {
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if logger != nil {
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logger.Printf("cmpp inbound event=deliver_ack_unmatched seq=%d message_id=%d result=%d", sequenceID, messageID, result)
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}
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if session := findSessionByConn(conn); session != nil && session.protocolLog != nil {
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session.protocolLog(protocolLogEvent{
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Protocol: "cmpp",
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Direction: "client_to_platform",
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EventType: "deliver_resp",
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Status: "failed",
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TenantID: session.tenantID,
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ApplicationID: session.applicationID,
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Account: session.account,
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MessageID: session.messageID,
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GatewayMessageID: strconv.FormatUint(messageID, 10),
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Phone: session.phoneNumber,
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ResultCode: strconv.FormatUint(uint64(result), 10),
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Detail: map[string]any{"sequenceId": sequenceID, "unmatched": true},
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})
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}
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return
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}
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if tracker.messageID != messageID {
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if logger != nil {
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logger.Printf("cmpp inbound event=deliver_ack_message_mismatch delivery_id=%s seq=%d expected_message_id=%d actual_message_id=%d", tracker.deliveryID, sequenceID, tracker.messageID, messageID)
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}
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result = 1
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}
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if logger != nil {
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logger.Printf("cmpp inbound event=deliver_acknowledged delivery_id=%s connection_id=%s seq=%d message_id=%d result=%d", tracker.deliveryID, tracker.connectionID, sequenceID, messageID, result)
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}
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if tracker.session != nil && tracker.session.deliveryReport != nil {
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go tracker.session.deliveryReport(downstreamDeliveryLifecycleEvent{
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Kind: "acknowledged", DeliveryID: tracker.deliveryID, ConnectionID: tracker.connectionID,
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SequenceID: sequenceID, MessageID: messageID, Result: result, ObservedAt: time.Now().UTC(),
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})
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}
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if tracker.session != nil && tracker.session.protocolLog != nil {
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status := "success"
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if result != 0 {
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status = "failed"
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}
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tracker.session.protocolLog(protocolLogEvent{
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Protocol: "cmpp",
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Direction: "client_to_platform",
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EventType: "deliver_resp",
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Status: status,
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TenantID: tracker.session.tenantID,
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ApplicationID: tracker.session.applicationID,
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Account: tracker.session.account,
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MessageID: tracker.session.messageID,
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GatewayMessageID: strconv.FormatUint(messageID, 10),
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Phone: tracker.session.phoneNumber,
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ResultCode: strconv.FormatUint(uint64(result), 10),
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Detail: map[string]any{"sequenceId": sequenceID, "deliveryId": tracker.deliveryID},
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})
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}
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}
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func downstreamAckTimeout() time.Duration {
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configured, err := strconv.Atoi(strings.TrimSpace(os.Getenv("CMPP_DOWNSTREAM_ACK_TIMEOUT_SECONDS")))
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if err != nil || configured <= 0 {
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return defaultDownstreamAckTimeout
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}
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if configured < 5 {
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configured = 5
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}
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return time.Duration(configured) * time.Second
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}
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@@ -0,0 +1,127 @@
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package inbound
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import (
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"context"
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"encoding/base64"
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"fmt"
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cmpp "github.com/bigwhite/gocmpp"
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"log"
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"net"
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"strings"
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"sync"
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"time"
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)
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type authRequest struct {
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Account string `json:"account"`
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AuthSource string `json:"authSource"`
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Timestamp uint32 `json:"timestamp"`
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RemoteIP string `json:"remoteIp,omitempty"`
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}
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type authResponse struct {
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PasswordCipher string `json:"passwordCipher"`
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ApplicationID string `json:"applicationId"`
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TenantID string `json:"tenantId"`
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Account string `json:"account"`
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EnterpriseCode string `json:"enterpriseCode"`
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MaxConnections int `json:"maxConnections"`
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}
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func (s Server) handleLogin(response *cmpp.Response, packet *cmpp.Packet, logger *log.Logger) (bool, error) {
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req, ok := packet.Packer.(*cmpp.CmppConnReqPkt)
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if !ok {
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return true, nil
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}
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account := strings.TrimRight(req.SrcAddr, "\x00")
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if account == "" {
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setInboundConnectResponse(response.Packer, cmpp.ErrnoConnInvalidSrcAddr, req.AuthSrc, "", req.Version)
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return false, cmpp.ConnRspStatusErrMap[cmpp.ErrnoConnInvalidSrcAddr]
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}
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if req.Version != cmpp.V20 && req.Version != cmpp.V21 && req.Version != cmpp.V30 {
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setInboundConnectResponse(response.Packer, cmpp.ErrnoConnVerTooHigh, req.AuthSrc, "", cmpp.V30)
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return false, cmpp.ConnRspStatusErrMap[cmpp.ErrnoConnVerTooHigh]
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}
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auth, err := s.authenticate(packet.Conn.Conn.RemoteAddr(), account, req.AuthSrc, req.Timestamp)
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if err != nil {
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logger.Printf("cmpp inbound auth failed account=%s remote=%s err=%v", account, packet.Conn.Conn.RemoteAddr(), err)
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setInboundConnectResponse(response.Packer, cmpp.ErrnoConnAuthFailed, req.AuthSrc, "", req.Version)
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return false, cmpp.ConnRspStatusErrMap[cmpp.ErrnoConnAuthFailed]
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}
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now := time.Now().UTC()
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session := &downstreamSession{
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account: strings.TrimSpace(defaultString(auth.Account, account)),
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tenantID: strings.TrimSpace(auth.TenantID),
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applicationID: strings.TrimSpace(auth.ApplicationID),
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enterpriseCode: strings.TrimSpace(auth.EnterpriseCode),
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protocol: cmppVersionName(req.Version),
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srcID: strings.TrimSpace(auth.Account),
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remoteIP: remoteIP(packet.Conn.Conn.RemoteAddr()),
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connectedAt: now,
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connectionID: fmt.Sprintf("%s-%d", s.gatewayInstanceID(), now.UnixNano()),
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conn: packet.Conn,
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mu: &sync.Mutex{},
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presence: s.PresenceStore,
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instanceID: s.gatewayInstanceID(),
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report: s.reportConnection,
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deliveryReport: s.reportDownstreamDelivery,
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protocolLog: s.emitProtocolLog,
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}
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if !rememberAccount(session, auth.MaxConnections) {
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logger.Printf("cmpp inbound auth failed account=%s remote=%s err=connection limit exceeded max=%d", account, packet.Conn.Conn.RemoteAddr(), auth.MaxConnections)
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setInboundConnectResponse(response.Packer, cmpp.ErrnoConnOthers, req.AuthSrc, "", req.Version)
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return false, cmpp.ConnRspStatusErrMap[cmpp.ErrnoConnOthers]
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}
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setInboundConnectResponse(response.Packer, 0, req.AuthSrc, auth.PasswordCipher, req.Version)
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go s.reportConnectionOrDisconnect(session, "connected", "")
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response.AfterSend = func(sendErr error) {
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if sendErr == nil {
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go s.flushPending(defaultString(auth.Account, account), logger)
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}
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}
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logger.Printf(
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"cmpp inbound event=login_accepted protocol=%s requested_version=0x%02x response_version=0x%02x account=%s remote=%s",
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cmppVersionName(req.Version), uint8(req.Version), uint8(req.Version), account, packet.Conn.Conn.RemoteAddr(),
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)
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return false, nil
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}
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func setInboundConnectResponse(packet any, status uint8, authSource string, secret string, version cmpp.Type) {
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switch resp := packet.(type) {
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case *cmpp.Cmpp2ConnRspPkt:
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resp.Status = status
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resp.AuthSrc = authSource
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resp.Secret = secret
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resp.Version = version
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case *cmpp.Cmpp3ConnRspPkt:
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resp.Status = uint32(status)
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resp.AuthSrc = authSource
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resp.Secret = secret
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resp.Version = version
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}
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}
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func cmppVersionName(version cmpp.Type) string {
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switch version {
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case cmpp.V20:
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return "cmpp20"
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case cmpp.V21:
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return "cmpp21"
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case cmpp.V30:
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return "cmpp30"
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default:
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return fmt.Sprintf("unknown_0x%02x", uint8(version))
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}
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}
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func (s Server) authenticate(remote net.Addr, account string, authSource string, timestamp uint32) (authResponse, error) {
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payload := authRequest{
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Account: account,
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AuthSource: base64.StdEncoding.EncodeToString([]byte(authSource)),
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Timestamp: timestamp,
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RemoteIP: remoteIP(remote),
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}
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var result authResponse
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err := s.post(context.Background(), "/gateway/events/inbound/authenticate", payload, &result)
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return result, err
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}
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@@ -0,0 +1,342 @@
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package inbound
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import (
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"context"
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"errors"
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"fmt"
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cmpp "github.com/bigwhite/gocmpp"
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cmpputils "github.com/bigwhite/gocmpp/utils"
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"strconv"
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"strings"
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"time"
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)
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// Receipt delivery requires the original Submit mapping. Falling back to an
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// arbitrary account session would acknowledge a message with the wrong Msg_Id.
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type DownstreamReceipt struct {
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DeliveryID string `json:"deliveryId,omitempty"`
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Account string `json:"account,omitempty"`
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ApplicationID string `json:"applicationId,omitempty"`
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MessageID string `json:"messageId"`
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GatewayMessageID string `json:"gatewayMessageId,omitempty"`
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PhoneNumber string `json:"phoneNumber,omitempty"`
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ReceiptStatus string `json:"receiptStatus"`
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RawStatus string `json:"rawStatus,omitempty"`
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ErrorCode string `json:"errorCode,omitempty"`
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SubmitSequenceID uint32 `json:"submitSequenceId,omitempty"`
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SubmitGroupMessageID string `json:"submitGroupMessageId,omitempty"`
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DeliveredAt string `json:"deliveredAt,omitempty"`
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}
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type DownstreamUplink struct {
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DeliveryID string `json:"deliveryId,omitempty"`
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Account string `json:"account,omitempty"`
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ApplicationID string `json:"applicationId,omitempty"`
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MessageID string `json:"messageId,omitempty"`
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PhoneNumber string `json:"phoneNumber"`
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DestID string `json:"destId"`
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Content string `json:"content"`
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ReceivedAt string `json:"receivedAt,omitempty"`
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}
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type DownstreamSendResult struct {
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Sent bool `json:"sent"`
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Retryable bool `json:"retryable"`
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ReasonCode string `json:"reasonCode,omitempty"`
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ErrorMessage string `json:"errorMessage,omitempty"`
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ConnectionID string `json:"connectionId,omitempty"`
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SequenceID string `json:"sequenceId,omitempty"`
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MessageID string `json:"messageId,omitempty"`
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SentAt string `json:"sentAt,omitempty"`
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AckDeadlineAt string `json:"ackDeadlineAt,omitempty"`
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}
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type downstreamDeliveryLifecycleEvent struct {
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Kind string
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DeliveryID string
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ConnectionID string
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SequenceID uint32
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MessageID uint64
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Result uint32
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ObservedAt time.Time
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AckDeadlineAt time.Time
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FailureType string
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ErrorMessage string
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}
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func (s Server) reportDownstreamDelivery(event downstreamDeliveryLifecycleEvent) {
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if strings.TrimSpace(event.DeliveryID) == "" {
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return
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}
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payload := map[string]any{
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"id": event.DeliveryID, "connectionId": event.ConnectionID,
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"sequenceId": strconv.FormatUint(uint64(event.SequenceID), 10),
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"messageId": strconv.FormatUint(event.MessageID, 10),
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}
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switch event.Kind {
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case "sent":
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payload["sentAt"] = formatRFC3339Nano(event.ObservedAt)
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payload["ackDeadlineAt"] = formatRFC3339Nano(event.AckDeadlineAt)
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_ = s.post(context.Background(), "/gateway/events/downstream/sent", payload, nil)
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case "acknowledged":
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payload["result"] = event.Result
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payload["acknowledgedAt"] = formatRFC3339Nano(event.ObservedAt)
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_ = s.post(context.Background(), "/gateway/events/downstream/acknowledged", payload, nil)
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case "failed":
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payload["failureType"] = event.FailureType
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payload["errorMessage"] = event.ErrorMessage
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_ = s.post(context.Background(), "/gateway/events/downstream/failed", payload, nil)
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}
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}
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func PushReceipt(event DownstreamReceipt) (bool, error) {
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result, err := PushReceiptWithResult(event)
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return result.Sent, err
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}
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func PushReceiptWithResult(event DownstreamReceipt) (DownstreamSendResult, error) {
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return pushReceiptWithResult(event, true)
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}
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func pushReceiptWithResult(event DownstreamReceipt, allowRecovery bool) (DownstreamSendResult, error) {
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session := findReceiptSession(event.MessageID, event.Account)
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if session == nil && allowRecovery {
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session = recoverReceiptSession(event)
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}
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if session == nil {
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if event.SubmitSequenceID == 0 {
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return DownstreamSendResult{
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Retryable: false,
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ReasonCode: "MISSING_SUBMIT_SEQUENCE_ID",
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ErrorMessage: "历史回执缺少原 Submit Sequence_Id，无法重建 Msg_Id，系统已终止重投",
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}, nil
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}
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if strings.TrimSpace(event.MessageID) == "" || strings.TrimSpace(event.Account) == "" {
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return DownstreamSendResult{
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Retryable: false,
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ReasonCode: "INVALID_RECEIPT_PAYLOAD",
|
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ErrorMessage: "状态回执缺少平台消息 ID 或客户账号，系统已终止重投",
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}, nil
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}
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return DownstreamSendResult{
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Retryable: true,
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ReasonCode: "CLIENT_DISCONNECTED",
|
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ErrorMessage: "下游客户端当前未连接，等待自动重试",
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}, nil
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}
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if downstreamSubmitResponsePending(session.conn) {
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return DownstreamSendResult{
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Retryable: true,
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ReasonCode: "SUBMIT_RESPONSE_PENDING",
|
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ErrorMessage: "客户 SubmitResp 尚未完成写出，回执已保留并等待响应后投递",
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}, nil
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||||
}
|
||||
stat := strings.TrimSpace(event.RawStatus)
|
||||
if stat == "" {
|
||||
stat = cmppReceiptStatus(event.ReceiptStatus)
|
||||
}
|
||||
when := time.Now()
|
||||
if event.DeliveredAt != "" {
|
||||
if parsed, err := time.Parse(time.RFC3339Nano, event.DeliveredAt); err == nil {
|
||||
when = parsed
|
||||
}
|
||||
}
|
||||
receipt := &cmpp.CmppReceiptPkt{
|
||||
MsgId: session.gatewayMsgID,
|
||||
Stat: stat,
|
||||
SubmitTime: when.Format("0601021504"),
|
||||
DoneTime: when.Format("0601021504"),
|
||||
DestTerminalId: defaultString(event.PhoneNumber, session.phoneNumber),
|
||||
SmscSequence: uint32(time.Now().UnixNano() & 0xffffffff),
|
||||
}
|
||||
receiptBytes, err := receipt.Pack()
|
||||
if err != nil {
|
||||
return DownstreamSendResult{}, err
|
||||
}
|
||||
deliver := downstreamDeliverPacket(session, session.gatewayMsgID, session.srcID, defaultString(event.PhoneNumber, session.phoneNumber), 0, 1, string(receiptBytes))
|
||||
return sendDownstream(session, deliver, event.DeliveryID)
|
||||
}
|
||||
|
||||
func findReceiptSession(messageID string, account string) *downstreamSession {
|
||||
downstreamRegistry.RLock()
|
||||
defer downstreamRegistry.RUnlock()
|
||||
if messageID != "" {
|
||||
return downstreamRegistry.byMessageID[messageID]
|
||||
}
|
||||
if account != "" {
|
||||
return downstreamRegistry.byAccount[account]
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func recoverReceiptSession(event DownstreamReceipt) *downstreamSession {
|
||||
if event.MessageID == "" || event.SubmitSequenceID == 0 || event.Account == "" {
|
||||
return nil
|
||||
}
|
||||
downstreamRegistry.RLock()
|
||||
accountSession := downstreamRegistry.byAccount[event.Account]
|
||||
downstreamRegistry.RUnlock()
|
||||
if accountSession == nil || accountSession.conn == nil {
|
||||
return nil
|
||||
}
|
||||
recovered := *accountSession
|
||||
recovered.messageID = event.MessageID
|
||||
recovered.gatewayMsgID = messageIDFrom(defaultString(event.SubmitGroupMessageID, event.MessageID), event.SubmitSequenceID)
|
||||
return &recovered
|
||||
}
|
||||
|
||||
func PushUplink(event DownstreamUplink) (bool, error) {
|
||||
result, err := PushUplinkWithResult(event)
|
||||
return result.Sent, err
|
||||
}
|
||||
|
||||
func PushUplinkWithResult(event DownstreamUplink) (DownstreamSendResult, error) {
|
||||
session := findSession(event.MessageID, event.Account)
|
||||
if session == nil {
|
||||
return DownstreamSendResult{
|
||||
Retryable: true,
|
||||
ReasonCode: "CLIENT_DISCONNECTED",
|
||||
ErrorMessage: "下游客户端当前未连接，等待自动重试",
|
||||
}, nil
|
||||
}
|
||||
content, err := cmpputils.Utf8ToUcs2(event.Content)
|
||||
if err != nil {
|
||||
return DownstreamSendResult{}, err
|
||||
}
|
||||
deliver := downstreamDeliverPacket(
|
||||
session,
|
||||
messageIDFrom(defaultString(event.MessageID, event.Account), uint32(time.Now().UnixNano())),
|
||||
defaultString(event.DestID, session.srcID),
|
||||
event.PhoneNumber,
|
||||
8,
|
||||
0,
|
||||
content,
|
||||
)
|
||||
return sendDownstream(session, deliver, event.DeliveryID)
|
||||
}
|
||||
|
||||
func errorMessageWithCode(message string, code string) string {
|
||||
message = strings.TrimSpace(message)
|
||||
code = strings.TrimSpace(code)
|
||||
if message == "" {
|
||||
message = "gateway did not complete downstream delivery"
|
||||
}
|
||||
if code == "" {
|
||||
return message
|
||||
}
|
||||
return fmt.Sprintf("%s (%s)", message, code)
|
||||
}
|
||||
|
||||
func downstreamDeliverPacket(session *downstreamSession, messageID uint64, destID string, sourceTerminalID string, msgFmt uint8, registerDelivery uint8, content string) cmpp.Packer {
|
||||
if session != nil && (session.protocol == "cmpp20" || session.protocol == "cmpp21") {
|
||||
return &cmpp.Cmpp2DeliverReqPkt{
|
||||
MsgId: messageID, DestId: destID, ServiceId: "cmpp", MsgFmt: msgFmt,
|
||||
SrcTerminalId: sourceTerminalID, RegisterDelivery: registerDelivery,
|
||||
MsgLength: uint8(len(content)), MsgContent: content,
|
||||
}
|
||||
}
|
||||
return &cmpp.Cmpp3DeliverReqPkt{
|
||||
MsgId: messageID, DestId: destID, ServiceId: "cmpp", MsgFmt: msgFmt,
|
||||
SrcTerminalId: sourceTerminalID, RegisterDelivery: registerDelivery,
|
||||
MsgLength: uint8(len(content)), MsgContent: content,
|
||||
}
|
||||
}
|
||||
|
||||
func findSession(messageID string, account string) *downstreamSession {
|
||||
downstreamRegistry.RLock()
|
||||
defer downstreamRegistry.RUnlock()
|
||||
if messageID != "" {
|
||||
if session := downstreamRegistry.byMessageID[messageID]; session != nil {
|
||||
return session
|
||||
}
|
||||
}
|
||||
if account != "" {
|
||||
return downstreamRegistry.byAccount[account]
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func sendDownstream(session *downstreamSession, deliver cmpp.Packer, deliveryID string) (DownstreamSendResult, error) {
|
||||
session.mu.Lock()
|
||||
defer session.mu.Unlock()
|
||||
messageID := downstreamDeliverMessageID(deliver)
|
||||
if messageID == 0 {
|
||||
return DownstreamSendResult{}, errors.New("refusing downstream CMPP_DELIVER with Msg_Id=0")
|
||||
}
|
||||
sequenceID := <-session.conn.SeqId
|
||||
sentAt := time.Now().UTC()
|
||||
ackDeadlineAt := sentAt.Add(downstreamAckTimeout())
|
||||
result := DownstreamSendResult{
|
||||
ConnectionID: session.connectionID,
|
||||
SequenceID: strconv.FormatUint(uint64(sequenceID), 10),
|
||||
MessageID: strconv.FormatUint(messageID, 10),
|
||||
SentAt: formatRFC3339Nano(sentAt),
|
||||
AckDeadlineAt: formatRFC3339Nano(ackDeadlineAt),
|
||||
}
|
||||
tracker := registerDownstreamAck(session, deliveryID, sequenceID, messageID, ackDeadlineAt)
|
||||
if err := session.conn.SendPkt(deliver, sequenceID); err != nil {
|
||||
removeDownstreamAck(tracker)
|
||||
session.recordDownstreamProtocol(deliver, deliveryID, sequenceID, messageID, "failed", "SEND_FAILED", err)
|
||||
if session.report != nil {
|
||||
go session.report(session, "disconnected", err.Error())
|
||||
}
|
||||
forgetDownstream(session)
|
||||
result.Retryable = true
|
||||
result.ReasonCode = "SEND_FAILED"
|
||||
result.ErrorMessage = err.Error()
|
||||
return result, nil
|
||||
}
|
||||
session.recordDownstreamProtocol(deliver, deliveryID, sequenceID, messageID, "success", "", nil)
|
||||
result.Sent = true
|
||||
if deliveryID != "" && session.deliveryReport != nil {
|
||||
go session.deliveryReport(downstreamDeliveryLifecycleEvent{
|
||||
Kind: "sent", DeliveryID: deliveryID, ConnectionID: session.connectionID,
|
||||
SequenceID: sequenceID, MessageID: messageID, ObservedAt: sentAt, AckDeadlineAt: ackDeadlineAt,
|
||||
})
|
||||
}
|
||||
session.touchPresence("connected", false, true)
|
||||
if session.report != nil {
|
||||
go session.report(session, "deliver", "")
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
|
||||
func downstreamDeliverMetadata(deliver cmpp.Packer) (string, string) {
|
||||
switch packet := deliver.(type) {
|
||||
case *cmpp.Cmpp2DeliverReqPkt:
|
||||
if packet.RegisterDelivery == 1 {
|
||||
return "deliver_receipt", packet.SrcTerminalId
|
||||
}
|
||||
return "deliver_uplink", packet.SrcTerminalId
|
||||
case *cmpp.Cmpp3DeliverReqPkt:
|
||||
if packet.RegisterDelivery == 1 {
|
||||
return "deliver_receipt", packet.SrcTerminalId
|
||||
}
|
||||
return "deliver_uplink", packet.SrcTerminalId
|
||||
default:
|
||||
return "deliver", ""
|
||||
}
|
||||
}
|
||||
|
||||
func downstreamDeliverMessageID(deliver cmpp.Packer) uint64 {
|
||||
switch packet := deliver.(type) {
|
||||
case *cmpp.Cmpp2DeliverReqPkt:
|
||||
return packet.MsgId
|
||||
case *cmpp.Cmpp3DeliverReqPkt:
|
||||
return packet.MsgId
|
||||
default:
|
||||
return 0
|
||||
}
|
||||
}
|
||||
|
||||
func cmppReceiptStatus(status string) string {
|
||||
switch strings.ToLower(strings.TrimSpace(status)) {
|
||||
case "delivered":
|
||||
return "DELIVRD"
|
||||
case "unknown":
|
||||
return "UNKNOWN"
|
||||
default:
|
||||
return "UNDELIV"
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,281 @@
|
||||
package inbound
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"log"
|
||||
"strings"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Recovery only replays API-owned pending deliveries; Redis recovery locks and
|
||||
// presence snapshots prevent multiple Gateway instances from racing the replay.
|
||||
|
||||
type pendingDeliveryRequest struct {
|
||||
Account string `json:"account"`
|
||||
Limit int `json:"limit,omitempty"`
|
||||
}
|
||||
|
||||
type pendingDelivery struct {
|
||||
ID string `json:"id"`
|
||||
DeliveryType string `json:"deliveryType"`
|
||||
Payload json.RawMessage `json:"payload"`
|
||||
CreatedAt time.Time `json:"createdAt"`
|
||||
}
|
||||
|
||||
type pendingFlushResult struct {
|
||||
Account string
|
||||
Deliveries int
|
||||
DeliveredCount int
|
||||
FailedCount int
|
||||
WaitingCount int
|
||||
LastError string
|
||||
}
|
||||
|
||||
func (s Server) flushPending(account string, logger *log.Logger) (pendingFlushResult, error) {
|
||||
result := pendingFlushResult{Account: account}
|
||||
if account == "" {
|
||||
return result, nil
|
||||
}
|
||||
var deliveries []pendingDelivery
|
||||
if err := s.post(context.Background(), "/gateway/events/downstream/pending", pendingDeliveryRequest{Account: account, Limit: 100}, &deliveries); err != nil {
|
||||
logger.Printf("cmpp inbound pending delivery fetch failed account=%s err=%v", account, err)
|
||||
result.LastError = err.Error()
|
||||
return result, err
|
||||
}
|
||||
result.Deliveries = len(deliveries)
|
||||
for _, delivery := range deliveries {
|
||||
sendResult, err := s.pushPendingDelivery(account, delivery)
|
||||
if err != nil {
|
||||
result.FailedCount++
|
||||
result.LastError = err.Error()
|
||||
_ = s.post(context.Background(), "/gateway/events/downstream/failed", map[string]any{
|
||||
"id": delivery.ID, "errorMessage": err.Error(), "failureType": "send_failed",
|
||||
"connectionId": sendResult.ConnectionID, "sequenceId": sendResult.SequenceID,
|
||||
"messageId": sendResult.MessageID, "sentAt": sendResult.SentAt,
|
||||
}, nil)
|
||||
continue
|
||||
}
|
||||
if sendResult.Sent {
|
||||
result.DeliveredCount++
|
||||
continue
|
||||
}
|
||||
if sendResult.ReasonCode == "SUBMIT_RESPONSE_PENDING" {
|
||||
result.WaitingCount++
|
||||
continue
|
||||
}
|
||||
errorMessage := defaultString(sendResult.ErrorMessage, "gateway did not complete downstream delivery")
|
||||
failureType := "unrecoverable"
|
||||
if sendResult.Retryable {
|
||||
failureType = "send_failed"
|
||||
result.WaitingCount++
|
||||
} else {
|
||||
result.FailedCount++
|
||||
}
|
||||
result.LastError = errorMessage
|
||||
_ = s.post(context.Background(), "/gateway/events/downstream/failed", map[string]any{
|
||||
"id": delivery.ID, "errorMessage": errorMessageWithCode(errorMessage, sendResult.ReasonCode),
|
||||
"failureType": failureType, "connectionId": sendResult.ConnectionID,
|
||||
"sequenceId": sendResult.SequenceID, "messageId": sendResult.MessageID, "sentAt": sendResult.SentAt,
|
||||
}, nil)
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
|
||||
func (s Server) pushPendingDelivery(account string, delivery pendingDelivery) (DownstreamSendResult, error) {
|
||||
switch delivery.DeliveryType {
|
||||
case "receipt":
|
||||
var event DownstreamReceipt
|
||||
if err := json.Unmarshal(delivery.Payload, &event); err != nil {
|
||||
return DownstreamSendResult{}, err
|
||||
}
|
||||
event.DeliveryID = delivery.ID
|
||||
event.Account = defaultString(event.Account, account)
|
||||
allowRecovery := !delivery.CreatedAt.IsZero() && time.Since(delivery.CreatedAt) >= 5*time.Second
|
||||
return pushReceiptWithResult(event, allowRecovery)
|
||||
case "uplink":
|
||||
var event DownstreamUplink
|
||||
if err := json.Unmarshal(delivery.Payload, &event); err != nil {
|
||||
return DownstreamSendResult{}, err
|
||||
}
|
||||
event.DeliveryID = delivery.ID
|
||||
event.Account = defaultString(event.Account, account)
|
||||
return PushUplinkWithResult(event)
|
||||
default:
|
||||
return DownstreamSendResult{}, fmt.Errorf("unsupported downstream delivery type %q", delivery.DeliveryType)
|
||||
}
|
||||
}
|
||||
|
||||
func (s Server) runPendingFlusher(logger *log.Logger) {
|
||||
ticker := time.NewTicker(s.pendingFlushInterval())
|
||||
defer ticker.Stop()
|
||||
for range ticker.C {
|
||||
s.flushOnlineAccounts(logger)
|
||||
s.recoverPendingCandidates(logger)
|
||||
}
|
||||
}
|
||||
|
||||
func (s Server) flushOnlineAccounts(logger *log.Logger) {
|
||||
for _, account := range onlineAccounts() {
|
||||
_, _ = s.flushPending(account, logger)
|
||||
}
|
||||
}
|
||||
|
||||
func (s Server) recoverPendingCandidates(logger *log.Logger) {
|
||||
candidates, err := ListRecoveryCandidates(context.Background(), s.PresenceStore)
|
||||
if err != nil {
|
||||
logger.Printf("cmpp inbound recovery candidate refresh failed err=%v", err)
|
||||
return
|
||||
}
|
||||
for _, candidate := range candidates {
|
||||
account := strings.TrimSpace(candidate.Account)
|
||||
if account == "" {
|
||||
continue
|
||||
}
|
||||
activeRecovery := DownstreamRecoveryStatus{
|
||||
Account: account,
|
||||
GatewayInstanceID: s.gatewayInstanceID(),
|
||||
}
|
||||
if s.RecoveryStore != nil {
|
||||
decision, recoveryErr := s.RecoveryStore.StartAccountRecovery(context.Background(), account, s.gatewayInstanceID())
|
||||
if recoveryErr != nil {
|
||||
logger.Printf("cmpp inbound recovery start failed account=%s err=%v", account, recoveryErr)
|
||||
continue
|
||||
}
|
||||
if !decision.Allowed {
|
||||
logger.Printf("cmpp inbound recovery skipped account=%s reason=%s", account, decision.SkipReason)
|
||||
decision.Status.Account = account
|
||||
decision.Status.GatewayInstanceID = s.gatewayInstanceID()
|
||||
decision.Status.State = defaultString(decision.Status.State, "failed")
|
||||
decision.Status.LastSkipReason = defaultString(decision.Status.LastSkipReason, decision.SkipReason)
|
||||
if decision.Status.FailureCategory == "" {
|
||||
decision.Status.FailureCategory = recoveryFailureCategory(decision.Status.State, "", decision.Status.LastSkipReason)
|
||||
}
|
||||
s.syncRecoveryStatus(logger, account, decision.Status)
|
||||
continue
|
||||
}
|
||||
activeRecovery = decision.Status
|
||||
activeRecovery.Account = account
|
||||
activeRecovery.GatewayInstanceID = s.gatewayInstanceID()
|
||||
}
|
||||
result, flushErr := s.flushPending(account, logger)
|
||||
if s.RecoveryStore != nil {
|
||||
status := DownstreamRecoveryStatus{
|
||||
Account: account,
|
||||
GatewayInstanceID: s.gatewayInstanceID(),
|
||||
LockToken: activeRecovery.LockToken,
|
||||
LockOwner: defaultString(activeRecovery.LockOwner, s.gatewayInstanceID()),
|
||||
LockAcquiredAt: activeRecovery.LockAcquiredAt,
|
||||
LockExpiresAt: activeRecovery.LockExpiresAt,
|
||||
LastAttemptAt: activeRecovery.LastAttemptAt,
|
||||
}
|
||||
switch {
|
||||
case flushErr != nil:
|
||||
status.State = "failed"
|
||||
status.LastError = flushErr.Error()
|
||||
status.FailureCategory = recoveryFailureCategory(status.State, status.LastError, status.LastSkipReason)
|
||||
case result.WaitingCount > 0 && result.DeliveredCount == 0 && result.FailedCount == 0:
|
||||
status.State = "waiting_connection"
|
||||
status.LastError = "downstream client is not connected"
|
||||
status.FailureCategory = recoveryFailureCategory(status.State, status.LastError, status.LastSkipReason)
|
||||
case result.FailedCount > 0 && result.DeliveredCount > 0:
|
||||
status.State = "partial"
|
||||
status.LastError = result.LastError
|
||||
status.FailureCategory = recoveryFailureCategory(status.State, status.LastError, status.LastSkipReason)
|
||||
case result.FailedCount > 0:
|
||||
status.State = "failed"
|
||||
status.LastError = result.LastError
|
||||
status.FailureCategory = recoveryFailureCategory(status.State, status.LastError, status.LastSkipReason)
|
||||
default:
|
||||
status.State = "success"
|
||||
status.LastError = ""
|
||||
status.FailureCategory = ""
|
||||
}
|
||||
if err := s.RecoveryStore.CompleteAccountRecovery(context.Background(), status); err != nil {
|
||||
logger.Printf("cmpp inbound recovery completion failed account=%s err=%v", account, err)
|
||||
if err == ErrRecoveryLockLost {
|
||||
status.State = "failed"
|
||||
status.LastSkipReason = "lock_lost"
|
||||
status.FailureCategory = "lock_lost"
|
||||
s.syncRecoveryStatus(logger, account, status)
|
||||
}
|
||||
} else if persisted, err := s.RecoveryStore.GetAccountRecoveryStatus(context.Background(), account); err != nil {
|
||||
logger.Printf("cmpp inbound recovery status fetch failed account=%s err=%v", account, err)
|
||||
} else {
|
||||
s.syncRecoveryStatus(logger, account, persisted)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s Server) syncRecoveryStatus(logger *log.Logger, account string, status DownstreamRecoveryStatus) {
|
||||
if err := s.post(context.Background(), "/gateway/events/downstream/recovery-status", map[string]any{
|
||||
"account": status.Account,
|
||||
"gatewayInstanceId": status.GatewayInstanceID,
|
||||
"state": status.State,
|
||||
"lockOwner": status.LockOwner,
|
||||
"lockExpiresAt": formatRFC3339Nano(status.LockExpiresAt),
|
||||
"lastAttemptAt": formatRFC3339Nano(status.LastAttemptAt),
|
||||
"lastSuccessAt": formatRFC3339Nano(status.LastSuccessAt),
|
||||
"lastFailureAt": formatRFC3339Nano(status.LastFailureAt),
|
||||
"nextRetryAt": formatRFC3339Nano(status.NextRetryAt),
|
||||
"attemptCount": status.AttemptCount,
|
||||
"failureCategory": status.FailureCategory,
|
||||
"lastError": status.LastError,
|
||||
"lastSkipReason": status.LastSkipReason,
|
||||
}, nil); err != nil {
|
||||
logger.Printf("cmpp inbound recovery status sync failed account=%s err=%v", account, err)
|
||||
}
|
||||
}
|
||||
|
||||
func recoveryFailureCategory(state string, lastError string, lastSkipReason string) string {
|
||||
if state == "success" || state == "running" {
|
||||
return ""
|
||||
}
|
||||
if lastSkipReason == "backoff" {
|
||||
return "backoff"
|
||||
}
|
||||
if lastSkipReason == "locked" {
|
||||
return "lock_contended"
|
||||
}
|
||||
if lastSkipReason == "lock_lost" {
|
||||
return "lock_lost"
|
||||
}
|
||||
if state == "waiting_connection" {
|
||||
return "client_disconnected"
|
||||
}
|
||||
if state == "partial" {
|
||||
return "partial_delivery_failed"
|
||||
}
|
||||
if state == "failed" && strings.TrimSpace(lastError) != "" {
|
||||
return "flush_failed"
|
||||
}
|
||||
return "unknown"
|
||||
}
|
||||
|
||||
func (s Server) pendingFlushInterval() time.Duration {
|
||||
if s.PendingFlushInterval > 0 {
|
||||
return s.PendingFlushInterval
|
||||
}
|
||||
return time.Minute
|
||||
}
|
||||
|
||||
func (s Server) logRecoveryCandidates(logger *log.Logger) {
|
||||
candidates, err := ListRecoveryCandidates(context.Background(), s.PresenceStore)
|
||||
if err != nil {
|
||||
logger.Printf("cmpp inbound recovery candidates load failed err=%v", err)
|
||||
return
|
||||
}
|
||||
if len(candidates) == 0 {
|
||||
logger.Printf("cmpp inbound recovery candidates loaded count=0")
|
||||
return
|
||||
}
|
||||
accounts := make([]string, 0, len(candidates))
|
||||
for _, item := range candidates {
|
||||
if strings.TrimSpace(item.Account) != "" {
|
||||
accounts = append(accounts, item.Account)
|
||||
}
|
||||
}
|
||||
logger.Printf("cmpp inbound recovery candidates loaded count=%d accounts=%s", len(candidates), strings.Join(accounts, ","))
|
||||
}
|
||||
@@ -0,0 +1,114 @@
|
||||
package inbound
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
cmpp "github.com/bigwhite/gocmpp"
|
||||
"log"
|
||||
"strconv"
|
||||
)
|
||||
|
||||
type protocolLogEvent struct {
|
||||
Protocol string `json:"protocol"`
|
||||
Direction string `json:"direction"`
|
||||
EventType string `json:"eventType"`
|
||||
Status string `json:"status"`
|
||||
TenantID string `json:"tenantId,omitempty"`
|
||||
ApplicationID string `json:"applicationId,omitempty"`
|
||||
Account string `json:"account,omitempty"`
|
||||
MessageID string `json:"messageId,omitempty"`
|
||||
GatewayMessageID string `json:"gatewayMessageId,omitempty"`
|
||||
Phone string `json:"phone,omitempty"`
|
||||
ResultCode string `json:"resultCode,omitempty"`
|
||||
Detail map[string]any `json:"detail,omitempty"`
|
||||
}
|
||||
|
||||
func (s Server) submitResponseProtocolLogger(
|
||||
account string,
|
||||
protocol string,
|
||||
sequenceID uint32,
|
||||
phone string,
|
||||
messageID string,
|
||||
gatewayMessageID uint64,
|
||||
result uint32,
|
||||
) func(error) {
|
||||
return func(sendErr error) {
|
||||
s.emitProtocolLog(protocolLogEvent{
|
||||
Protocol: "cmpp",
|
||||
Direction: "platform_to_client",
|
||||
EventType: "submit_resp",
|
||||
Status: protocolSendStatus(sendErr),
|
||||
Account: account,
|
||||
MessageID: messageID,
|
||||
GatewayMessageID: fmt.Sprint(gatewayMessageID),
|
||||
Phone: phone,
|
||||
ResultCode: protocolSendResultCode(sendErr, result),
|
||||
Detail: protocolSubmitResponseDetail(sequenceID, sendErr),
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func protocolSendStatus(sendErr error) string {
|
||||
if sendErr != nil {
|
||||
return "failed"
|
||||
}
|
||||
return "success"
|
||||
}
|
||||
|
||||
func protocolSendResultCode(sendErr error, result uint32) string {
|
||||
if sendErr != nil {
|
||||
return "SEND_FAILED"
|
||||
}
|
||||
return fmt.Sprint(result)
|
||||
}
|
||||
|
||||
func protocolSubmitResponseDetail(sequenceID uint32, sendErr error) map[string]any {
|
||||
detail := map[string]any{"sequenceId": sequenceID}
|
||||
if sendErr != nil {
|
||||
detail["error"] = sendErr.Error()
|
||||
}
|
||||
return detail
|
||||
}
|
||||
|
||||
func (s Server) emitProtocolLog(event protocolLogEvent) {
|
||||
go func() {
|
||||
ctx, cancel := context.WithTimeout(context.Background(), defaultHTTPTimeout)
|
||||
defer cancel()
|
||||
if err := s.post(ctx, "/gateway/events/protocol-log", event, nil); err != nil {
|
||||
log.Printf("cmpp inbound protocol_event direction=%s event=%s status=telemetry_failed account=%s message_id=%s error=%q", event.Direction, event.EventType, event.Account, event.MessageID, err)
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
func (session *downstreamSession) recordDownstreamProtocol(
|
||||
deliver cmpp.Packer,
|
||||
deliveryID string,
|
||||
sequenceID uint32,
|
||||
messageID uint64,
|
||||
status string,
|
||||
resultCode string,
|
||||
sendErr error,
|
||||
) {
|
||||
if session == nil || session.protocolLog == nil {
|
||||
return
|
||||
}
|
||||
eventType, phone := downstreamDeliverMetadata(deliver)
|
||||
detail := map[string]any{"sequenceId": sequenceID, "deliveryId": deliveryID}
|
||||
if sendErr != nil {
|
||||
detail["error"] = sendErr.Error()
|
||||
}
|
||||
session.protocolLog(protocolLogEvent{
|
||||
Protocol: "cmpp",
|
||||
Direction: "platform_to_client",
|
||||
EventType: eventType,
|
||||
Status: status,
|
||||
TenantID: session.tenantID,
|
||||
ApplicationID: session.applicationID,
|
||||
Account: session.account,
|
||||
MessageID: session.messageID,
|
||||
GatewayMessageID: strconv.FormatUint(messageID, 10),
|
||||
Phone: defaultString(phone, session.phoneNumber),
|
||||
ResultCode: resultCode,
|
||||
Detail: detail,
|
||||
})
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,262 @@
|
||||
package inbound
|
||||
|
||||
import (
|
||||
"context"
|
||||
cmpp "github.com/bigwhite/gocmpp"
|
||||
"log"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// This registry is the single in-process owner of authenticated downstream
|
||||
// sessions. Delivery and recovery code must resolve sessions through it.
|
||||
|
||||
type downstreamConnectionEvent struct {
|
||||
Account string `json:"account"`
|
||||
ConnectionID string `json:"connectionId"`
|
||||
Status string `json:"status"`
|
||||
RemoteIP string `json:"remoteIp,omitempty"`
|
||||
Protocol string `json:"protocol,omitempty"`
|
||||
ConnectedAt string `json:"connectedAt,omitempty"`
|
||||
ObservedAt string `json:"observedAt,omitempty"`
|
||||
ErrorMessage string `json:"errorMessage,omitempty"`
|
||||
}
|
||||
|
||||
type downstreamSession struct {
|
||||
messageID string
|
||||
account string
|
||||
tenantID string
|
||||
applicationID string
|
||||
enterpriseCode string
|
||||
protocol string
|
||||
srcID string
|
||||
phoneNumber string
|
||||
gatewayMsgID uint64
|
||||
remoteIP string
|
||||
connectedAt time.Time
|
||||
connectionID string
|
||||
conn *cmpp.Conn
|
||||
mu *sync.Mutex
|
||||
presence PresenceStore
|
||||
instanceID string
|
||||
report func(*downstreamSession, string, string)
|
||||
deliveryReport func(downstreamDeliveryLifecycleEvent)
|
||||
protocolLog func(protocolLogEvent)
|
||||
}
|
||||
|
||||
var downstreamRegistry = struct {
|
||||
sync.RWMutex
|
||||
byMessageID map[string]*downstreamSession
|
||||
byAccount map[string]*downstreamSession
|
||||
byConn map[*cmpp.Conn]*downstreamSession
|
||||
}{
|
||||
byMessageID: make(map[string]*downstreamSession),
|
||||
byAccount: make(map[string]*downstreamSession),
|
||||
byConn: make(map[*cmpp.Conn]*downstreamSession),
|
||||
}
|
||||
|
||||
func (s Server) handleActivity(_ *cmpp.Response, packet *cmpp.Packet, logger *log.Logger) (bool, error) {
|
||||
session := findSessionByConn(packet.Conn)
|
||||
if session == nil {
|
||||
return true, nil
|
||||
}
|
||||
switch response := packet.Packer.(type) {
|
||||
case *cmpp.CmppActiveTestReqPkt, *cmpp.CmppActiveTestRspPkt:
|
||||
if session.report != nil {
|
||||
go s.reportConnectionOrDisconnect(session, "heartbeat", "")
|
||||
}
|
||||
case *cmpp.Cmpp2DeliverRspPkt:
|
||||
handleDownstreamAcknowledgement(packet.Conn, response.SeqId, response.MsgId, uint32(response.Result), logger)
|
||||
case *cmpp.Cmpp3DeliverRspPkt:
|
||||
handleDownstreamAcknowledgement(packet.Conn, response.SeqId, response.MsgId, response.Result, logger)
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
func (s Server) reportConnection(session *downstreamSession, status string, errorMessage string) {
|
||||
_ = s.reportConnectionChecked(session, status, errorMessage)
|
||||
}
|
||||
|
||||
func (s Server) reportConnectionChecked(session *downstreamSession, status string, errorMessage string) error {
|
||||
if session == nil || strings.TrimSpace(session.account) == "" || strings.TrimSpace(session.connectionID) == "" {
|
||||
return nil
|
||||
}
|
||||
event := downstreamConnectionEvent{
|
||||
Account: session.account, ConnectionID: session.connectionID, Status: status,
|
||||
RemoteIP: session.remoteIP, Protocol: session.protocol,
|
||||
ConnectedAt: formatRFC3339Nano(session.connectedAt), ObservedAt: formatRFC3339Nano(time.Now()),
|
||||
ErrorMessage: errorMessage,
|
||||
}
|
||||
if err := s.post(context.Background(), "/gateway/events/inbound/connection", event, nil); err != nil {
|
||||
log.Printf("cmpp inbound connection state callback failed account=%s connection_id=%s status=%s err=%v", session.account, session.connectionID, status, err)
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s Server) reportConnectionOrDisconnect(session *downstreamSession, status string, errorMessage string) {
|
||||
if err := s.reportConnectionChecked(session, status, errorMessage); err != nil && status != "disconnected" {
|
||||
_ = s.reportConnectionChecked(session, "disconnected", err.Error())
|
||||
forgetDownstream(session)
|
||||
if session.conn != nil {
|
||||
session.conn.Close()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s Server) handleConnectionClosed(conn *cmpp.Conn) {
|
||||
downstreamSubmitBarrier.Lock()
|
||||
delete(downstreamSubmitBarrier.byConn, conn)
|
||||
downstreamSubmitBarrier.Unlock()
|
||||
session := findSessionByConn(conn)
|
||||
if session == nil {
|
||||
return
|
||||
}
|
||||
forgetDownstream(session)
|
||||
_ = s.reportConnectionChecked(session, "disconnected", "CMPP client connection closed")
|
||||
}
|
||||
|
||||
func findSessionByConn(conn *cmpp.Conn) *downstreamSession {
|
||||
downstreamRegistry.RLock()
|
||||
defer downstreamRegistry.RUnlock()
|
||||
return downstreamRegistry.byConn[conn]
|
||||
}
|
||||
|
||||
func rememberDownstream(session downstreamSession) {
|
||||
if session.messageID == "" || session.conn == nil {
|
||||
return
|
||||
}
|
||||
session.touchPresence("connected", true, false)
|
||||
downstreamRegistry.Lock()
|
||||
if existing := downstreamRegistry.byMessageID[session.messageID]; existing != nil && existing.conn == session.conn {
|
||||
// A downstream long message returns one SUBMIT_RESP per fragment but is
|
||||
// persisted as one platform message. Keep the first fragment Msg_Id so
|
||||
// online delivery and restart recovery (which persists the first
|
||||
// Sequence_Id) address the same client-side message.
|
||||
session.gatewayMsgID = existing.gatewayMsgID
|
||||
}
|
||||
downstreamRegistry.byMessageID[session.messageID] = &session
|
||||
downstreamRegistry.byConn[session.conn] = &session
|
||||
if session.account != "" {
|
||||
downstreamRegistry.byAccount[session.account] = &session
|
||||
}
|
||||
downstreamRegistry.Unlock()
|
||||
}
|
||||
|
||||
func rememberAccount(session *downstreamSession, maxConnections int) bool {
|
||||
if session == nil || session.account == "" || session.conn == nil {
|
||||
return false
|
||||
}
|
||||
if maxConnections <= 0 {
|
||||
maxConnections = 1
|
||||
}
|
||||
session.touchPresence("connected", false, false)
|
||||
downstreamRegistry.Lock()
|
||||
defer downstreamRegistry.Unlock()
|
||||
active := 0
|
||||
for _, current := range downstreamRegistry.byConn {
|
||||
if current != nil && current.account == session.account {
|
||||
active++
|
||||
}
|
||||
}
|
||||
if active >= maxConnections {
|
||||
return false
|
||||
}
|
||||
downstreamRegistry.byAccount[session.account] = session
|
||||
downstreamRegistry.byConn[session.conn] = session
|
||||
return true
|
||||
}
|
||||
|
||||
func forgetDownstream(session *downstreamSession) {
|
||||
if session == nil {
|
||||
return
|
||||
}
|
||||
downstreamRegistry.Lock()
|
||||
for messageID, current := range downstreamRegistry.byMessageID {
|
||||
if current != nil && current.conn == session.conn {
|
||||
delete(downstreamRegistry.byMessageID, messageID)
|
||||
}
|
||||
}
|
||||
if session.account != "" {
|
||||
if current := downstreamRegistry.byAccount[session.account]; current == session {
|
||||
delete(downstreamRegistry.byAccount, session.account)
|
||||
}
|
||||
}
|
||||
if current := downstreamRegistry.byConn[session.conn]; current == session {
|
||||
delete(downstreamRegistry.byConn, session.conn)
|
||||
}
|
||||
downstreamRegistry.Unlock()
|
||||
_ = session.removePresence()
|
||||
}
|
||||
|
||||
func onlineAccounts() []string {
|
||||
downstreamRegistry.RLock()
|
||||
defer downstreamRegistry.RUnlock()
|
||||
accounts := make([]string, 0, len(downstreamRegistry.byAccount))
|
||||
for account := range downstreamRegistry.byAccount {
|
||||
if strings.TrimSpace(account) != "" {
|
||||
accounts = append(accounts, account)
|
||||
}
|
||||
}
|
||||
return accounts
|
||||
}
|
||||
|
||||
// DisconnectAccount closes every live downstream CMPP session for an
|
||||
// application account. The normal connection-close callback removes registry
|
||||
// and presence state and reports the disconnect to the API.
|
||||
func DisconnectAccount(account string) int {
|
||||
account = strings.TrimSpace(account)
|
||||
if account == "" {
|
||||
return 0
|
||||
}
|
||||
downstreamRegistry.RLock()
|
||||
sessions := make([]*downstreamSession, 0)
|
||||
for _, session := range downstreamRegistry.byConn {
|
||||
if session != nil && session.account == account && session.conn != nil {
|
||||
sessions = append(sessions, session)
|
||||
}
|
||||
}
|
||||
downstreamRegistry.RUnlock()
|
||||
for _, session := range sessions {
|
||||
session.conn.Close()
|
||||
}
|
||||
return len(sessions)
|
||||
}
|
||||
|
||||
func (s Server) gatewayInstanceID() string {
|
||||
if strings.TrimSpace(s.GatewayInstanceID) != "" {
|
||||
return strings.TrimSpace(s.GatewayInstanceID)
|
||||
}
|
||||
return "gateway-1"
|
||||
}
|
||||
|
||||
func (session downstreamSession) touchPresence(state string, includeSubmit bool, includeDeliver bool) {
|
||||
if session.presence == nil || strings.TrimSpace(session.account) == "" {
|
||||
return
|
||||
}
|
||||
now := time.Now().UTC()
|
||||
snapshot := DownstreamPresence{
|
||||
Account: strings.TrimSpace(session.account),
|
||||
SrcID: strings.TrimSpace(session.srcID),
|
||||
RemoteIP: strings.TrimSpace(session.remoteIP),
|
||||
GatewayInstanceID: strings.TrimSpace(session.instanceID),
|
||||
State: defaultString(strings.TrimSpace(state), "connected"),
|
||||
ConnectedAt: session.connectedAt,
|
||||
UpdatedAt: now,
|
||||
}
|
||||
if includeSubmit {
|
||||
snapshot.LastSubmitAt = now
|
||||
}
|
||||
if includeDeliver {
|
||||
snapshot.LastDeliverAt = now
|
||||
}
|
||||
_ = session.presence.TouchAccount(context.Background(), snapshot)
|
||||
}
|
||||
|
||||
func (session downstreamSession) removePresence() error {
|
||||
if session.presence == nil || strings.TrimSpace(session.account) == "" {
|
||||
return nil
|
||||
}
|
||||
return session.presence.RemoveAccount(context.Background(), strings.TrimSpace(session.account))
|
||||
}
|
||||
@@ -0,0 +1,333 @@
|
||||
package inbound
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/md5"
|
||||
"errors"
|
||||
"fmt"
|
||||
cmpp "github.com/bigwhite/gocmpp"
|
||||
cmpputils "github.com/bigwhite/gocmpp/utils"
|
||||
"log"
|
||||
"net"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// One client Submit may contain multiple destinations. The API result retains
|
||||
// one internal message mapping per destination while CMPP receives one response.
|
||||
|
||||
type submitRequest struct {
|
||||
Account string `json:"account"`
|
||||
PhoneNumber string `json:"phoneNumber,omitempty"`
|
||||
PhoneNumbers []string `json:"phoneNumbers,omitempty"`
|
||||
Content string `json:"content"`
|
||||
SrcID string `json:"srcId,omitempty"`
|
||||
DestID string `json:"destId,omitempty"`
|
||||
SequenceID uint32 `json:"sequenceId,omitempty"`
|
||||
RemoteIP string `json:"remoteIp,omitempty"`
|
||||
LongMessage *inboundLongMessageFragment `json:"longMessage,omitempty"`
|
||||
}
|
||||
|
||||
type inboundLongMessageFragment struct {
|
||||
Reference int `json:"reference"`
|
||||
Total int `json:"total"`
|
||||
Index int `json:"index"`
|
||||
Format int `json:"format"`
|
||||
}
|
||||
|
||||
type submitResponseMessage struct {
|
||||
PhoneNumber string `json:"phoneNumber"`
|
||||
MessageID string `json:"messageId"`
|
||||
}
|
||||
|
||||
type submitResponse struct {
|
||||
Accepted bool `json:"accepted"`
|
||||
Result uint32 `json:"result,omitempty"`
|
||||
TenantID string `json:"tenantId,omitempty"`
|
||||
ApplicationID string `json:"applicationId,omitempty"`
|
||||
MessageID string `json:"messageId"`
|
||||
Messages []submitResponseMessage `json:"messages,omitempty"`
|
||||
}
|
||||
|
||||
func (s Server) handleSubmit(response *cmpp.Response, packet *cmpp.Packet, logger *log.Logger) (bool, error) {
|
||||
req, ok := normalizeInboundSubmit(packet.Packer)
|
||||
if !ok {
|
||||
return true, nil
|
||||
}
|
||||
session := findSessionByConn(packet.Conn)
|
||||
if session == nil || strings.TrimSpace(session.account) == "" {
|
||||
logger.Printf(
|
||||
"cmpp inbound event=submit_rejected protocol=%s packet_type=%s remote=%s seq=%d result=9 stage=session reason=%q",
|
||||
req.protocol, req.protocol, packet.Conn.Conn.RemoteAddr(), req.sequenceID, "authenticated connection session not found",
|
||||
)
|
||||
setInboundSubmitResponse(response.Packer, 0, 9)
|
||||
response.AfterSend = s.submitResponseProtocolLogger("", req.protocol, req.sequenceID, "", "", 0, 9)
|
||||
return false, nil
|
||||
}
|
||||
account := session.account
|
||||
enterpriseCode := strings.TrimRight(req.msgSrc, "\x00")
|
||||
if session.enterpriseCode != "" && enterpriseCode != session.enterpriseCode {
|
||||
logger.Printf(
|
||||
"cmpp inbound event=submit_rejected protocol=%s packet_type=%s account=%s enterprise_code=%s remote=%s seq=%d result=9 stage=protocol reason=%q",
|
||||
defaultString(session.protocol, req.protocol), req.protocol, account, enterpriseCode, packet.Conn.Conn.RemoteAddr(), req.sequenceID,
|
||||
fmt.Sprintf("enterprise code mismatch: expected %s", session.enterpriseCode),
|
||||
)
|
||||
setInboundSubmitResponse(response.Packer, 0, 9)
|
||||
response.AfterSend = s.submitResponseProtocolLogger(account, defaultString(session.protocol, req.protocol), req.sequenceID, "", "", 0, 9)
|
||||
return false, nil
|
||||
}
|
||||
phones := make([]string, len(req.destTerminalIDs))
|
||||
for index, destination := range req.destTerminalIDs {
|
||||
phones[index] = strings.TrimSpace(strings.TrimRight(destination, "\x00"))
|
||||
}
|
||||
phone := ""
|
||||
if len(phones) > 0 {
|
||||
phone = phones[0]
|
||||
}
|
||||
remote := packet.Conn.Conn.RemoteAddr()
|
||||
clientProtocol := defaultString(session.protocol, req.protocol)
|
||||
logger.Printf(
|
||||
"cmpp inbound event=submit_received protocol=%s packet_type=%s account=%s enterprise_code=%s remote=%s seq=%d phone=%s src_id=%s msg_fmt=%d pk=%d/%d dest_count=%d content_bytes=%d",
|
||||
clientProtocol, req.protocol, account, enterpriseCode, remote, req.sequenceID, phone, strings.TrimSpace(req.srcID), req.msgFmt,
|
||||
req.pkNumber, req.pkTotal, len(req.destTerminalIDs), len(req.msgContent),
|
||||
)
|
||||
content, longMessage, err := decodeInboundSubmitContent(req)
|
||||
if err != nil {
|
||||
logger.Printf(
|
||||
"cmpp inbound event=submit_rejected protocol=%s packet_type=%s account=%s remote=%s seq=%d phone=%s result=9 stage=decode reason=%q",
|
||||
clientProtocol, req.protocol, account, remote, req.sequenceID, phone, err,
|
||||
)
|
||||
setInboundSubmitResponse(response.Packer, 0, 9)
|
||||
response.AfterSend = s.submitResponseProtocolLogger(account, clientProtocol, req.sequenceID, phone, "", 0, 9)
|
||||
return false, nil
|
||||
}
|
||||
contentHash := fmt.Sprintf("%x", md5.Sum([]byte(content)))
|
||||
startedAt := time.Now()
|
||||
releaseSubmitBarrier := beginDownstreamSubmitBarrier(packet.Conn)
|
||||
result, err := s.submit(remote, submitRequest{
|
||||
Account: account,
|
||||
PhoneNumber: phone,
|
||||
PhoneNumbers: phones,
|
||||
Content: content,
|
||||
SrcID: req.srcID,
|
||||
DestID: phone,
|
||||
SequenceID: req.sequenceID,
|
||||
RemoteIP: remoteIP(remote),
|
||||
LongMessage: longMessage,
|
||||
})
|
||||
if err != nil || !result.Accepted {
|
||||
reason := "api returned accepted=false"
|
||||
if err != nil {
|
||||
reason = err.Error()
|
||||
}
|
||||
responseResult := result.Result
|
||||
if responseResult == 0 {
|
||||
responseResult = 9
|
||||
}
|
||||
logger.Printf(
|
||||
"cmpp inbound event=submit_rejected protocol=%s packet_type=%s account=%s remote=%s seq=%d phone=%s result=%d stage=business duration_ms=%d content_chars=%d content_hash=%s reason=%q",
|
||||
clientProtocol, req.protocol, account, remote, req.sequenceID, phone, responseResult, time.Since(startedAt).Milliseconds(), len([]rune(content)), contentHash, reason,
|
||||
)
|
||||
setInboundSubmitResponse(response.Packer, 0, responseResult)
|
||||
protocolLogger := s.submitResponseProtocolLogger(account, clientProtocol, req.sequenceID, phone, result.MessageID, 0, responseResult)
|
||||
response.AfterSend = func(sendErr error) {
|
||||
releaseSubmitBarrier()
|
||||
protocolLogger(sendErr)
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
gatewayMsgID := messageIDFrom(result.MessageID, req.sequenceID)
|
||||
setInboundSubmitResponse(response.Packer, gatewayMsgID, 0)
|
||||
responseMessages := result.Messages
|
||||
if len(responseMessages) == 0 {
|
||||
responseMessages = []submitResponseMessage{{PhoneNumber: phone, MessageID: result.MessageID}}
|
||||
}
|
||||
for index, acceptedMessage := range responseMessages {
|
||||
acceptedPhone := strings.TrimSpace(acceptedMessage.PhoneNumber)
|
||||
if acceptedPhone == "" && index < len(phones) {
|
||||
acceptedPhone = phones[index]
|
||||
}
|
||||
rememberDownstream(downstreamSession{
|
||||
messageID: acceptedMessage.MessageID,
|
||||
account: account,
|
||||
tenantID: result.TenantID,
|
||||
applicationID: result.ApplicationID,
|
||||
enterpriseCode: session.enterpriseCode,
|
||||
protocol: clientProtocol,
|
||||
srcID: strings.TrimSpace(req.srcID),
|
||||
phoneNumber: acceptedPhone,
|
||||
gatewayMsgID: gatewayMsgID,
|
||||
remoteIP: remoteIP(remote),
|
||||
connectedAt: time.Now().UTC(),
|
||||
connectionID: session.connectionID,
|
||||
conn: packet.Conn,
|
||||
mu: &sync.Mutex{},
|
||||
presence: s.PresenceStore,
|
||||
instanceID: s.gatewayInstanceID(),
|
||||
report: session.report,
|
||||
deliveryReport: session.deliveryReport,
|
||||
protocolLog: session.protocolLog,
|
||||
})
|
||||
}
|
||||
if current := findSessionByConn(packet.Conn); current != nil && current.report != nil {
|
||||
go current.report(current, "submit", "")
|
||||
}
|
||||
response.AfterSend = func(sendErr error) {
|
||||
releaseSubmitBarrier()
|
||||
s.emitProtocolLog(protocolLogEvent{
|
||||
Protocol: "cmpp",
|
||||
Direction: "platform_to_client",
|
||||
EventType: "submit_resp",
|
||||
Status: protocolSendStatus(sendErr),
|
||||
TenantID: result.TenantID,
|
||||
ApplicationID: result.ApplicationID,
|
||||
Account: account,
|
||||
MessageID: result.MessageID,
|
||||
GatewayMessageID: fmt.Sprint(gatewayMsgID),
|
||||
Phone: phone,
|
||||
ResultCode: protocolSendResultCode(sendErr, 0),
|
||||
Detail: protocolSubmitResponseDetail(req.sequenceID, sendErr),
|
||||
})
|
||||
if sendErr != nil {
|
||||
return
|
||||
}
|
||||
go func() {
|
||||
if _, err := s.flushPending(account, logger); err != nil {
|
||||
logger.Printf("cmpp inbound event=post_submit_pending_flush_failed account=%s message_id=%s error=%q", account, result.MessageID, err.Error())
|
||||
}
|
||||
}()
|
||||
}
|
||||
logger.Printf(
|
||||
"cmpp inbound event=submit_accepted protocol=%s packet_type=%s account=%s remote=%s seq=%d phone=%s dest_count=%d accepted_count=%d result=0 message_id=%s gateway_message_id=%d duration_ms=%d content_chars=%d content_hash=%s",
|
||||
clientProtocol, req.protocol, account, remote, req.sequenceID, phone, len(phones), len(responseMessages), result.MessageID, gatewayMsgID, time.Since(startedAt).Milliseconds(), len([]rune(content)), contentHash,
|
||||
)
|
||||
return false, nil
|
||||
}
|
||||
|
||||
type inboundSubmitPacket struct {
|
||||
protocol string
|
||||
pkTotal uint8
|
||||
pkNumber uint8
|
||||
tpUdhi uint8
|
||||
msgFmt uint8
|
||||
msgSrc string
|
||||
srcID string
|
||||
destTerminalIDs []string
|
||||
msgContent string
|
||||
sequenceID uint32
|
||||
}
|
||||
|
||||
func normalizeInboundSubmit(packet any) (inboundSubmitPacket, bool) {
|
||||
switch req := packet.(type) {
|
||||
case *cmpp.Cmpp2SubmitReqPkt:
|
||||
return inboundSubmitPacket{
|
||||
protocol: "cmpp20", pkTotal: req.PkTotal, pkNumber: req.PkNumber, tpUdhi: req.TpUdhi, msgFmt: req.MsgFmt,
|
||||
msgSrc: req.MsgSrc, srcID: req.SrcId, destTerminalIDs: req.DestTerminalId,
|
||||
msgContent: req.MsgContent, sequenceID: req.SeqId,
|
||||
}, true
|
||||
case *cmpp.Cmpp3SubmitReqPkt:
|
||||
return inboundSubmitPacket{
|
||||
protocol: "cmpp30", pkTotal: req.PkTotal, pkNumber: req.PkNumber, tpUdhi: req.TpUdhi, msgFmt: req.MsgFmt,
|
||||
msgSrc: req.MsgSrc, srcID: req.SrcId, destTerminalIDs: req.DestTerminalId,
|
||||
msgContent: req.MsgContent, sequenceID: req.SeqId,
|
||||
}, true
|
||||
default:
|
||||
return inboundSubmitPacket{}, false
|
||||
}
|
||||
}
|
||||
|
||||
func setInboundSubmitResponse(packet any, messageID uint64, result uint32) {
|
||||
switch resp := packet.(type) {
|
||||
case *cmpp.Cmpp2SubmitRspPkt:
|
||||
resp.MsgId = messageID
|
||||
resp.Result = uint8(result)
|
||||
case *cmpp.Cmpp3SubmitRspPkt:
|
||||
resp.MsgId = messageID
|
||||
resp.Result = result
|
||||
}
|
||||
}
|
||||
|
||||
func (s Server) submit(remote net.Addr, payload submitRequest) (submitResponse, error) {
|
||||
payload.RemoteIP = remoteIP(remote)
|
||||
var result submitResponse
|
||||
err := s.post(context.Background(), "/gateway/events/inbound/submit", payload, &result)
|
||||
return result, err
|
||||
}
|
||||
|
||||
func decodeContent(format uint8, content string) (string, error) {
|
||||
switch format {
|
||||
case 8:
|
||||
return cmpputils.Ucs2ToUtf8(content)
|
||||
case 15:
|
||||
return cmpputils.GB18030ToUtf8(content)
|
||||
default:
|
||||
return content, nil
|
||||
}
|
||||
}
|
||||
|
||||
func decodeInboundSubmitContent(req inboundSubmitPacket) (string, *inboundLongMessageFragment, error) {
|
||||
raw := []byte(req.msgContent)
|
||||
if req.tpUdhi == 0 && req.pkTotal <= 1 {
|
||||
content, err := decodeContent(req.msgFmt, req.msgContent)
|
||||
return content, nil, err
|
||||
}
|
||||
if len(raw) == 0 {
|
||||
return "", nil, errors.New("UDH message content is empty")
|
||||
}
|
||||
|
||||
headerLength := int(raw[0]) + 1
|
||||
if headerLength > len(raw) {
|
||||
return "", nil, fmt.Errorf("UDH length %d exceeds message content length %d", headerLength, len(raw))
|
||||
}
|
||||
|
||||
var reference, total, index int
|
||||
switch {
|
||||
case len(raw) >= 6 && raw[0] == 0x05 && raw[1] == 0x00 && raw[2] == 0x03:
|
||||
reference = int(raw[3])
|
||||
total = int(raw[4])
|
||||
index = int(raw[5])
|
||||
case len(raw) >= 7 && raw[0] == 0x06 && raw[1] == 0x08 && raw[2] == 0x04:
|
||||
reference = int(raw[3])<<8 | int(raw[4])
|
||||
total = int(raw[5])
|
||||
index = int(raw[6])
|
||||
default:
|
||||
if req.pkTotal > 1 {
|
||||
return "", nil, errors.New("concatenated CMPP submit is missing a supported 8-bit or 16-bit UDH")
|
||||
}
|
||||
content, err := decodeContent(req.msgFmt, string(raw[headerLength:]))
|
||||
return content, nil, err
|
||||
}
|
||||
if total < 2 || index < 1 || index > total {
|
||||
return "", nil, fmt.Errorf("invalid concatenated UDH total/index %d/%d", index, total)
|
||||
}
|
||||
if req.pkTotal > 0 && int(req.pkTotal) != total {
|
||||
return "", nil, fmt.Errorf("PkTotal %d does not match UDH total %d", req.pkTotal, total)
|
||||
}
|
||||
if req.pkNumber > 0 && int(req.pkNumber) != index {
|
||||
return "", nil, fmt.Errorf("PkNumber %d does not match UDH index %d", req.pkNumber, index)
|
||||
}
|
||||
|
||||
content, err := decodeContent(req.msgFmt, string(raw[headerLength:]))
|
||||
if err != nil {
|
||||
return "", nil, err
|
||||
}
|
||||
return content, &inboundLongMessageFragment{
|
||||
Reference: reference,
|
||||
Total: total,
|
||||
Index: index,
|
||||
Format: int(req.msgFmt),
|
||||
}, nil
|
||||
}
|
||||
|
||||
func messageIDFrom(value string, seq uint32) uint64 {
|
||||
hash := md5.Sum([]byte(value))
|
||||
result := uint64(seq)
|
||||
for _, item := range hash[:6] {
|
||||
result = (result << 8) + uint64(item)
|
||||
}
|
||||
if result == 0 {
|
||||
return uint64(time.Now().UnixNano())
|
||||
}
|
||||
return result
|
||||
}
|
||||
@@ -0,0 +1,84 @@
|
||||
package inbound
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
"strings"
|
||||
"time"
|
||||
)
|
||||
|
||||
func (s Server) post(ctx context.Context, path string, payload any, result any) error {
|
||||
client := s.HTTPClient
|
||||
if client == nil {
|
||||
client = &http.Client{Timeout: defaultHTTPTimeout}
|
||||
}
|
||||
body, err := json.Marshal(payload)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req, err := http.NewRequestWithContext(ctx, http.MethodPost, strings.TrimRight(apiBaseURL(s.APIBaseURL), "/")+path, bytes.NewReader(body))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Set("Content-Type", "application/json")
|
||||
resp, err := client.Do(req)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
responseBody, err := io.ReadAll(io.LimitReader(resp.Body, 64*1024))
|
||||
if err != nil {
|
||||
return fmt.Errorf("read api response: %w", err)
|
||||
}
|
||||
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
|
||||
detail := strings.TrimSpace(string(responseBody))
|
||||
if detail == "" {
|
||||
return fmt.Errorf("api returned %s", resp.Status)
|
||||
}
|
||||
return fmt.Errorf("api returned %s: %s", resp.Status, detail)
|
||||
}
|
||||
if result != nil {
|
||||
if len(responseBody) == 0 {
|
||||
return io.EOF
|
||||
}
|
||||
return json.Unmarshal(responseBody, result)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func apiBaseURL(value string) string {
|
||||
if value == "" {
|
||||
return "http://127.0.0.1:3000/api"
|
||||
}
|
||||
return value
|
||||
}
|
||||
|
||||
func remoteIP(addr net.Addr) string {
|
||||
if tcp, ok := addr.(*net.TCPAddr); ok {
|
||||
return tcp.IP.String()
|
||||
}
|
||||
host, _, err := net.SplitHostPort(addr.String())
|
||||
if err == nil {
|
||||
return host
|
||||
}
|
||||
return addr.String()
|
||||
}
|
||||
|
||||
func defaultString(value string, fallback string) string {
|
||||
if value == "" {
|
||||
return fallback
|
||||
}
|
||||
return value
|
||||
}
|
||||
|
||||
func formatRFC3339Nano(value time.Time) string {
|
||||
if value.IsZero() {
|
||||
return ""
|
||||
}
|
||||
return value.UTC().Format(time.RFC3339Nano)
|
||||
}
|
||||
Reference in New Issue
Block a user