diff options
author | Bjorn Stenberg <bjorn@haxx.se> | 2020-04-14 11:19:12 +0200 |
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committer | Daniel Stenberg <daniel@haxx.se> | 2020-04-14 13:03:40 +0200 |
commit | 2522903b792ac5a802f780df60dc4647c58e2477 (patch) | |
tree | 4ccf24997d616fce58a798cbb3bcad3557e976db /lib/mqtt.h | |
parent | 8909865191072b6fc3e040ab0caccc2ec09d8763 (diff) | |
download | curl-2522903b792ac5a802f780df60dc4647c58e2477.tar.gz |
mqtt: add new experimental protocol
Closes #5173
Diffstat (limited to 'lib/mqtt.h')
-rw-r--r-- | lib/mqtt.h | 49 |
1 files changed, 49 insertions, 0 deletions
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, <bjorn@haxx.se> + * + * 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 */ |