TcpClient - gently absorb incoming data (to free TCP resources)

PaulZC · PaulZC · commit 248be192a480 · 2025-11-05T14:13:53.000Z
diff --git a/Firmware/RTK_Everywhere/TcpClient.ino b/Firmware/RTK_Everywhere/TcpClient.ino
@@ -249,6 +249,9 @@ int32_t tcpClientSendData(uint16_t dataHead)
                 bytesToSend = dataHead - tcpClientTail;
                 if (bytesToSend < 0)
                     bytesToSend += settings.gnssHandlerBufferSize;
+
+                if(tcpClient->available())
+                    tcpClient->read(); // Gently absorb any unwanted incoming traffic
             }
 
             // Failed to write the data

Original file line number	Diff line number	Diff line change
`@@ -249,6 +249,9 @@ int32_t tcpClientSendData(uint16_t dataHead)`
`249`	`249`	`bytesToSend = dataHead - tcpClientTail;`
`250`	`250`	`if (bytesToSend < 0)`
`251`	`251`	`bytesToSend += settings.gnssHandlerBufferSize;`
	`252`	`+`
	`253`	`+ if(tcpClient->available())`
	`254`	`+ tcpClient->read(); // Gently absorb any unwanted incoming traffic`
`252`	`255`	`}`
`253`	`256`
`254`	`257`	`// Failed to write the data`