From 2522903b792ac5a802f780df60dc4647c58e2477 Mon Sep 17 00:00:00 2001 From: Bjorn Stenberg Date: Tue, 14 Apr 2020 11:19:12 +0200 Subject: mqtt: add new experimental protocol Closes #5173 --- lib/mqtt.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 lib/mqtt.h (limited to 'lib/mqtt.h') diff --git a/lib/mqtt.h b/lib/mqtt.h new file mode 100644 index 000000000..b5e447be5 --- /dev/null +++ b/lib/mqtt.h @@ -0,0 +1,49 @@ +#ifndef HEADER_CURL_MQTT_H +#define HEADER_CURL_MQTT_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 2019 - 2020, Björn Stenberg, + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at https://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ***************************************************************************/ + +#ifdef CURL_ENABLE_MQTT +extern const struct Curl_handler Curl_handler_mqtt; +#endif + +struct mqtt_conn { + enum { + MQTT_CONNACK, + MQTT_SUBACK, + MQTT_SUBWAIT, /* wait for subscribe response */ + MQTT_SUB_REMAIN /* wait for the remainder of the subscribe response */ + } state; + unsigned int packetid; +}; + +/* protocol-specific transfer-related data */ +struct MQTT { + char *sendleftovers; + size_t nsend; /* size of sendleftovers */ + + /* when receving a PUBLISH */ + size_t npacket; /* byte counter */ + unsigned char firstbyte; +}; + +#endif /* HEADER_CURL_MQTT_H */ -- cgit v1.2.3