86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
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#pragma once
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#include "ssb.h"
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#include "quickjs.h"
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typedef struct _tf_ssb_connection_t tf_ssb_connection_t;
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/**
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** SSB EBT state.
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*/
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typedef struct _tf_ssb_ebt_t tf_ssb_ebt_t;
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/**
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** An EBT clock entry (identity + sequence pair).
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*/
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typedef struct _tf_ssb_ebt_clock_entry_t
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{
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/** The identity. */
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char id[k_id_base64_len];
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/** The sequence number. */
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int64_t value;
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} tf_ssb_ebt_clock_entry_t;
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/**
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** A set of IDs and sequence values.
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*/
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typedef struct _tf_ssb_ebt_clock_t
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{
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/** Number of entries. */
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int count;
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/** Clock entries. */
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tf_ssb_ebt_clock_entry_t entries[];
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} tf_ssb_ebt_clock_t;
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/**
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** A callback with EBT clock state.
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*/
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typedef void(tf_ssb_ebt_clock_callback_t)(const tf_ssb_ebt_clock_t* clock, int32_t request_number, void* user_data);
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/**
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** Create an EBT instance.
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** @param connection The SSB connection to which this EBT state applies.
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** @return The EBT instance.
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*/
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tf_ssb_ebt_t* tf_ssb_ebt_create(tf_ssb_connection_t* connection);
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/**
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** Update the EBT state with a received clock.
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** @param ebt The EBT instance.
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** @param context The JS context.
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** @param clock The received clock.
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*/
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void tf_ssb_ebt_receive_clock(tf_ssb_ebt_t* ebt, JSContext* context, JSValue clock);
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/**
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** Get the EBT clock state to send.
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** @param ebt The EBT instance.
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** @param request_number The request number for which the clock will be sent.
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** @param callback Called with the clock when determined.
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** @param user_data User data passed to the callback.
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*/
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void tf_ssb_ebt_get_send_clock(tf_ssb_ebt_t* ebt, int32_t request_number, tf_ssb_ebt_clock_callback_t* callback, void* user_data);
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/**
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** Get the set of messages requested to be sent.
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** @param ebt The EBT instance.
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** @return A clock of identities and sequence numbers indicating which messages
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** are due to be sent. The caller must free with tf_free().
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*/
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tf_ssb_ebt_clock_t* tf_ssb_ebt_get_messages_to_send(tf_ssb_ebt_t* ebt);
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/**
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** Update the clock state indicating the messages that have been sent for an account.
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** @param ebt The EBT instance.
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** @param id The identity to update.
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** @param sequence The maximum sequence number sent.
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*/
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void tf_ssb_ebt_set_messages_sent(tf_ssb_ebt_t* ebt, const char* id, int64_t sequence);
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/**
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** Destroy an EBT instance.
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** @param ebt The EBT instance.
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*/
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void tf_ssb_ebt_destroy(tf_ssb_ebt_t* ebt);
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