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implementing heartbeat

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This commit is contained in:
Jozef Sovcik
2018-10-23 18:01:33 +02:00
parent eaef4f0801
commit 68800e2e7a
4 changed files with 106 additions and 1 deletions
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10
src/WebSockets.h
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@@ -264,6 +264,13 @@ typedef struct {
bool cHttpHeadersValid; ///< non-websocket http header validity indicator
size_t cMandatoryHeadersCount; ///< non-websocket mandatory http headers present count
bool pongReceived;
uint32_t pingInterval; // how often ping will be sent, 0 means "heartbeat is not active"
uint32_t lastPing; // millis when last pong has been received
uint32_t pongTimeout; // interval in millis after which pong is considered to timeout
uint8_t disconnectTimeoutCount; // after how many subsequent pong timeouts discconnect will happen, 0 means "do not disconnect"
uint8_t pongTimeoutCount; // current pong timeout count
#if (WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266_ASYNC)
String cHttpLine; ///< HTTP header lines
#endif
@@ -303,6 +310,9 @@ class WebSockets {
virtual size_t write(WSclient_t * client, uint8_t *out, size_t n);
size_t write(WSclient_t * client, const char *out);
void enableHeartbeat(WSclient_t * client, uint32_t pingInterval, uint32_t pongTimeout, uint8_t disconnectTimeoutCount);
void handleHBTimeout(WSclient_t * client);
};