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ClientContext:_write_some: release buffer once data really accepted for sending (#4265)

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may fix #1872
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david gauchard 2018-02-01 11:49:04 +01:00 committed by GitHub
parent 9ba8f77678
commit 199fe0f16d
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1 changed files with 3 additions and 1 deletions
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4
libraries/ESP8266WiFi/src/include/ClientContext.h
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@ -447,11 +447,13 @@ protected:
}
err_t err = tcp_write(_pcb, buf, next_chunk, TCP_WRITE_FLAG_COPY);
DEBUGV(":wrc %d %d %d\r\n", next_chunk, will_send, (int) err);
_datasource->release_buffer(buf, next_chunk);
if (err == ERR_OK) {
_datasource->release_buffer(buf, next_chunk);
_written += next_chunk;
need_output = true;
} else {
// ERR_MEM(-1) is a valid error meaning
// "come back later". It leaves state() opened
break;
}
will_send -= next_chunk;