45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#pragma once
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#include "utils.h"
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#include "stellar.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//topic api
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typedef void stellar_msg_free_cb_func(void *msg, void *msg_free_arg);
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inline static void stellar_msg_free_default(void *msg, void *msg_free_arg __unused)
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{
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if(msg)FREE(msg);
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}
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typedef void on_msg_cb_func(int topic_id, const void *msg, void *plugin_env);
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typedef void on_msg_dispatch_cb_func(int topic_id, const void *msg, on_msg_cb_func* on_msg_cb, void *sub_plugin_env);
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//return topic_id
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int stellar_mq_create_topic(struct stellar *st, const char *topic_name, on_msg_dispatch_cb_func *on_dispatch_cb, stellar_msg_free_cb_func *msg_free_cb, void *msg_free_arg);
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int stellar_mq_get_topic_id(struct stellar *st, const char *topic_name);
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int stellar_mq_update_topic(struct stellar *st, int topic_id, on_msg_dispatch_cb_func *on_dispatch_cb, stellar_msg_free_cb_func *msg_free_cb, void *msg_free_arg);
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int stellar_mq_destroy_topic(struct stellar *st, int topic_id);
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enum stellar_mq_priority
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{
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STELLAR_MQ_PRIORITY_LOW,
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STELLAR_MQ_PRIORITY_NORMAL,
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STELLAR_MQ_PRIORITY_HIGH,
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STELLAR_MQ_PRIORITY_MAX,
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};
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//return 0 if success, otherwise return -1.
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int stellar_mq_subscribe(struct stellar *st, int topic_id, on_msg_cb_func *on_msg_cb, int plugin_id);
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int stellar_mq_publish_message(struct stellar *st, int topic_id, void *msg);
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int stellar_mq_publish_message_with_priority(struct stellar *st, int topic_id, void *msg, enum stellar_mq_priority priority);
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#ifdef __cplusplus
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}
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#endif |