urtware / src / urt_publisher.c @ e7056e1b
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| 1 | 1fb06240 | skenneweg | /*
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| 2 | µRtWare is a lightweight publish/subscribe middleware for real-time
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| 3 | applications. It was developed as part of the software habitat for the
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| 4 | Autonomous Mini Robot [1] (AMiRo) but can be used for other purposes as well.
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| 5 | |||
| 6 | Copyright (C) 2018..2020 Thomas Schöpping et al.
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| 7 | |||
| 8 | This program is free software: you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation, either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 | |||
| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 | |||
| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 | |||
| 22 | 7d9678db | skenneweg | #include <urtware.h> |
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| 24 | 1fb06240 | skenneweg | /******************************************************************************/
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| 25 | /* LOCAL DEFINITIONS */
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| 26 | /******************************************************************************/
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| 27 | |||
| 28 | /******************************************************************************/
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| 29 | /* EXPORTED VARIABLES */
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| 30 | /******************************************************************************/
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| 31 | |||
| 32 | /******************************************************************************/
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| 33 | /* LOCAL TYPES */
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| 34 | /******************************************************************************/
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| 35 | |||
| 36 | /******************************************************************************/
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| 37 | /* LOCAL VARIABLES */
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| 38 | /******************************************************************************/
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| 39 | |||
| 40 | /******************************************************************************/
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| 41 | /* LOCAL FUNCTIONS */
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| 42 | /******************************************************************************/
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| 43 | |||
| 44 | /******************************************************************************/
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| 45 | /* EXPORTED FUNCTIONS */
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| 46 | /******************************************************************************/
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| 47 | 7d9678db | skenneweg | |
| 48 | /**
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| 49 | * @brief Initalize the publisher.
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| 50 | *
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| 51 | 5198dfae | skenneweg | * @param[in] publisher The publisher to initialize. Must not be NULL.
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| 52 | * @param[in] topic The topic, this publisher is associated to. Must not be NULL.
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| 53 | * @param[in] message NULL terminated list of messages to contribute to the topic.
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| 54 | * Messages must not be associated to another topic.
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| 55 | * Once a message has been contributed, it cannot be removed later.
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| 56 | * May be NULL (no messages to contribute).
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| 57 | 7d9678db | skenneweg | */
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| 58 | 1f7ffcff | skenneweg | void urtPublisherInit(urt_publisher_t* publisher, urt_topic_t* topic, urt_message_t* message)
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| 59 | {
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| 60 | urt_publisher_t.topic = topic; |
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| 61 | #if (URT_CFG_PUBSUB_PROFILING)
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| 62 | urt_publisher_t.publishAttempts = 0;
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| 63 | urt_publisher_t.publishFails = 0;
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| 64 | endif /* URT_CFG_PUBSUB_PROFILING */
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| 65 | //add later: messages to contribute,...
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| 66 | return;
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| 67 | } |
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| 68 | 7d9678db | skenneweg | |
| 69 | |||
| 70 | /**
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| 71 | 5198dfae | skenneweg | * @brief Publish data.
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| 72 | 7d9678db | skenneweg | *
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| 73 | 5198dfae | skenneweg | * @param[in] publisher Pointer to the publisher to use. Must not be NULL.
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| 74 | * @param[in] payload Pointer to the data to be published. May be NULL for messages without payload.
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| 75 | * @param[in] bytes Size of the payload in bytes.
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| 76 | * @param[in] t Timestamp to be set for the message.
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| 77 | * @param[in] timeout Timeout delay in case the message cannot be published.
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| 78 | 7d9678db | skenneweg | *
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| 79 | 5198dfae | skenneweg | * @return Returns URT_STATUS_OK on success. Returns URT_STATUS_PUBLISH_TIMEOUT on timeout.
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| 80 | 7d9678db | skenneweg | */
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| 81 | urt_status_t urtPublisherPublish(urt_publisher_t* publisher, void* payload, size_t bytes, urt_osTime_t t, urt_delay_t timeout) {return URT_STATUS_OK;} |