73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#ifndef __PUBSUBD_H__
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#define __PUBSUBD_H__
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#include "communication.h"
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#include "process.h"
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#include "queue.h"
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#define PUBSUB_SERVICE_NAME "pubsub"
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struct pubsub_msg {
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unsigned char *chan;
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size_t chanlen;
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unsigned char *data;
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size_t datalen;
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unsigned char type; // message type : alert, notification, …
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};
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void pubsubd_msg_serialize (const struct pubsub_msg *msg, char **data, size_t *len);
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void pubsubd_msg_unserialize (struct pubsub_msg *msg, const char *data, size_t len);
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void pubsubd_msg_free (struct pubsub_msg *msg);
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void pubsubd_msg_send (struct service *, struct pubsub_msg *msg, struct process *p);
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void pubsubd_msg_recv (struct service *, struct pubsub_msg *msg, struct process *p);
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void pubsub_msg_send (struct service *, struct pubsub_msg *msg);
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void pubsub_msg_recv (struct service *, struct pubsub_msg *msg);
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// CHANNEL
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// head of the list
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LIST_HEAD(channels, channel);
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// element of the list
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struct channel {
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char *chan;
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size_t chanlen;
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LIST_ENTRY(channel) entries;
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};
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void pubsubd_channels_init (struct channels *chans);
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struct channel * pubsubd_channel_copy (struct channel *c);
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struct channel * pubsubd_channel_get (struct channels *chans, struct channel *c);
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void pubsubd_channel_free (struct channel *c);
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int pubsubd_channel_eq (const struct channel *c1, const struct channel *c2);
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// APPLICATION
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// head of the list
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LIST_HEAD(app_list_head, app_list_elm);
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// element of the list
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struct app_list_elm {
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struct process *p;
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LIST_ENTRY(app_list_elm) entries;
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};
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int
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pubsubd_subscriber_eq (const struct app_list_elm *, const struct app_list_elm *);
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void pubsubd_subscriber_add (struct app_list_head *
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, const struct app_list_elm *);
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struct app_list_elm * pubsubd_subscriber_get (const struct app_list_head *
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, const struct app_list_elm *);
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void pubsubd_subscriber_del (struct app_list_head *al, struct app_list_elm *p);
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struct app_list_elm * pubsubd_app_list_elm_copy (const struct app_list_elm *ale);
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void pubsubd_app_list_elm_create (struct app_list_elm *ale, struct process *p);
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void pubsubd_app_list_elm_free (struct app_list_elm *todel);
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#endif
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