urbit/i/v/vere.h
2014-11-15 17:10:15 -08:00

1138 lines
36 KiB
C

/* include/v/vere.h
**
** This file is in the public domain.
*/
/** Quasi-tunable parameters.
**/
/* First kernel this executable can boot.
*/
# define FirstKernel 164
# define DefaultKernel 164
#define RECK
/** Data types.
**/
struct _u3_http;
/* u3_hhed: http header.
*/
typedef struct _u3_hhed {
struct _u3_hhed* nex_u;
c3_c* nam_c;
c3_c* val_c;
} u3_hhed;
/* u3_hbod: http body block. Also used for responses.
*/
typedef struct _u3_hbod {
struct _u3_hbod* nex_u;
c3_w len_w;
c3_y hun_y[0];
} u3_hbod;
/* u3_hrat: http parser state.
*/
typedef enum {
u3_hreq_non,
u3_hreq_nam,
u3_hreq_val
} u3_hrat;
/* u3_csat: client connection state.
*/
typedef enum {
u3_csat_dead = 0, // connection dead
u3_csat_addr = 1, // connection addressed
u3_csat_clyr = 2, // connection open in cleartext
u3_csat_crop = 3, // connection open, ssl needs hs
u3_csat_sing = 4, // connection handshaking ssl
u3_csat_cryp = 5, // connection open, ssl open
} u3_csat;
/* u3_hmet: http method. Matches jhttp encoding.
*/
typedef enum {
u3_hmet_delete,
u3_hmet_get,
u3_hmet_head,
u3_hmet_post,
u3_hmet_put,
u3_hmet_nop, // virtual method
u3_hmet_other // ie, unsupported
} u3_hmet;
/* u3_hreq: incoming http request.
*/
typedef struct _u3_hreq {
struct _u3_hcon* hon_u; // connection
c3_w seq_l; // sequence within connection
u3_hmet met_e; // method
u3_hrat rat_e; // parser state
void* par_u; // struct http_parser *
c3_c* url_c; // url
c3_w ipf_w; // ipv4
c3_o liv; // keepalive
c3_o end; // all responses added
u3_hhed* hed_u; // headers
u3_hbod* bod_u; // body parts (exit)
u3_hbod* dob_u; // body parts (entry)
struct _u3_hreq* nex_u; // next in request queue
u3_hbod* rub_u; // exit of write queue
u3_hbod* bur_u; // entry of write queue
} u3_hreq;
/* u3_hrep: outgoing http response.
*/
typedef struct _u3_hrep {
c3_w sev_l; // server number
c3_w coq_l; // connection number
c3_w seq_l; // request number
c3_w sas_w; // status
u3_hhed* hed_u; // headers
u3_hbod* bod_u; // body (one part)
} u3_hrep;
/* u3_hcon: incoming http connection.
*/
typedef struct _u3_hcon {
uv_tcp_t wax_u; // event handler state
c3_w coq_l; // connection number
c3_w seq_l; // next request number
struct _u3_http* htp_u; // backlink to server
struct _u3_hcon* nex_u; // next in server's list
struct _u3_hreq* ruc_u; // request under construction
struct _u3_hreq* req_u; // exit of request queue
struct _u3_hreq* qer_u; // entry of request queue
} u3_hcon;
/* u3_http: http server.
*/
typedef struct _u3_http {
uv_tcp_t wax_u; // event handler state
c3_w sev_l; // server number
c3_w coq_l; // next connection number
c3_w por_w; // running port
c3_o sec; // logically secure
struct _u3_hcon* hon_u; // connection list
struct _u3_http* nex_u; // next in list
} u3_http;
/* u3_cres: response to http client.
*/
typedef struct _u3_cres {
u3_hrat rat_e; // parser state
void* par_u; // struct http_parser *
c3_w sas_w; // status code
u3_hhed* hed_u; // headers
u3_hbod* bod_u; // exit of body queue
u3_hbod* dob_u; // entry of body queue
} u3_cres;
/* u3_creq: outgoing http request.
*/
typedef struct _u3_creq { // client request
c3_l num_l; // request number
c3_c* hot_c; // host
c3_s por_s; // port
c3_c* url_c; // url
c3_o sec; // yes == https
u3_hmet met_e; // method
u3_hhed* hed_u; // headers
u3_hbod* bod_u; // body
u3_cres* res_u; // nascent response
struct _u3_ccon* coc_u; // parent connection
struct _u3_creq* nex_u; // next in queue
} u3_creq;
/* u3_sslx: per-connection ssl context.
*/
typedef struct _u3_sslx {
void* ssl_u; // struct SSL*
void* rio_u; // struct BIO* for read
void* wio_u; // struct BIO* for write
} u3_sslx;
/* u3_ccon: outgoing http connection.
*/
typedef struct _u3_ccon { // client connection
uv_tcp_t wax_u; // i/o handler state
uv_connect_t cot_u; // connection handler state
uv_getaddrinfo_t adr_u; // resolver state
u3_sslx ssl; // ssl state
u3_csat sat_e; // connection state
c3_c* hot_c; // hostname
c3_s por_s; // port
c3_w ipf_w; // IP
c3_o sec; // yes == https
u3_hbod* rub_u; // exit of send queue
u3_hbod* bur_u; // entry of send queue
u3_creq* ceq_u; // exit of request queue
u3_creq* qec_u; // entry of request queue
struct _u3_ccon* pre_u; // previous in list
struct _u3_ccon* nex_u; // next in list
} u3_ccon;
/* u3_chot: foreign host (not yet used).
*/
typedef struct _u3_chot {
c3_w ipf_w; // ip address (or 0)
c3_c* hot_c; // hostname (no port) (or 0)
struct _u3_ccon* ins_u; // insecure connection (or 0)
struct _u3_ccon* sec_u; // secure connection (or 0)
} u3_chot;
/* u3_cttp: http client.
*/
typedef struct _u3_cttp {
struct _u3_ccon* coc_u; // connection list
} u3_cttp;
/* u3_apac: ames packet, coming or going.
*/
typedef struct _u3_apac {
struct _u3_apac* nex_u; // next in queue
c3_w pip_w; // IPv4 address, to
c3_s por_s; // IPv4 port, to
c3_w len_w; // length in bytes
c3_y hun_y[0]; // data
} u3_apac;
/* u3_ames: ames networking.
*/
typedef struct _u3_ames { // packet network state
uv_udp_t wax_u; // socket state
uv_timer_t tim_u; // network timer
c3_o alm; // alarm on
c3_w law_w; // last wakeup, unix time
c3_s por_s; // public IPv4 port
c3_w imp_w[256]; // imperial IPs
} u3_ames;
/* u3_save: checkpoint control.
*/
typedef struct _u3_save {
uv_timer_t tim_u; // checkpoint timer
uv_signal_t sil_u; // child signal
c3_d ent_d; // event number
c3_w pid_w; // pid of checkpoint process
} u3_save;
/* u3_ubuf: unix tty i/o buffer.
*/
typedef struct _u3_ubuf {
struct _u3_ubuf* nex_u;
c3_w len_w;
c3_y hun_y[0]; // bytes to send
} u3_ubuf;
/* u3_utat: unix terminal state.
*/
typedef struct {
struct {
c3_l col_l; // columns
c3_l row_l; // rows
} siz;
struct {
c3_w* lin_w; // current line (utf32)
c3_w len_w; // length of current line
c3_w cus_w; // cursor position
} mir;
struct { // escape code control
c3_o ape; // escape received
c3_o bra; // bracket or O received
} esc;
struct {
c3_y syb_y[5]; // utf8 code buffer
c3_w len_w; // present length
c3_w wid_w; // total width
} fut;
} u3_utat;
/* u3_uled: event log header.
*/
typedef struct {
c3_l mag_l; // mug of log format, 'a', 'b'...
c3_w kno_w; // kernel number validated with
c3_l sal_l; // salt for passcode
c3_l key_l; // mug of crypto key, or 0
c3_l sev_l; // host process identity
c3_l tno_l; // terminal count in host
} u3_uled;
/* u3_olar: event log trailer, old version.
*/
typedef struct {
c3_w syn_w; // must equal mug of address
c3_w ent_w; // event sequence number
c3_w len_w; // word length of this event
c3_w mug_w; // mug of entry
} u3_olar;
/* u3_ular: event log trailer.
*/
typedef struct {
c3_w syn_w; // must equal mug of address
c3_d ent_d; // event sequence number
c3_w len_w; // word length of this event
c3_w mug_w; // mug of entry
c3_w tem_w; // raft term of event
c3_w typ_w; // type of event, %ra|%ov
} u3_ular;
/* u3_ulog: unix event log.
*/
typedef struct {
c3_i fid_i; // file descriptor
c3_d len_d; // length in words
} u3_ulog;
struct _u3_uhot;
struct _u3_udir;
struct _u3_ufil;
/* u3_unod: file or directory.
*/
typedef struct _u3_unod {
uv_fs_event_t was_u; // stat watcher
c3_o dir; // always
c3_o dry; // ie, unmodified
c3_c* pax_c; // absolute path
struct _u3_udir* par_u; // in directory
} u3_unod;
/* u3_ufil: synchronized file.
*/
typedef struct _u3_ufil {
uv_fs_event_t was_u; // stat watcher
c3_o non; // always u3_no
c3_o dry; // ie, unmodified
c3_c* pax_c; // absolute path
struct _u3_udir* par_u; // in directory
c3_c* dot_c; // extension point or 0
mpz_t mod_mp; // mtime as @da
struct _u3_ufil* nex_u; // internal list
} u3_ufil;
/* u3_udir: synchronized directory.
*/
typedef struct _u3_udir {
uv_fs_event_t was_u; // stat watcher
c3_o yes; // always u3_yes
c3_o dry; // ie, unmodified
c3_c* pax_c; // absolute path
struct _u3_udir* par_u; // parent directory
struct _u3_udir* dis_u; // subdirectories
struct _u3_ufil* fil_u; // files
struct _u3_udir* nex_u; // internal list
} u3_udir;
/* u3_uhot: synchronized host.
*/
typedef struct _u3_uhot {
u3_udir dir_u; // root directory
mpz_t who_mp; // owner as GMP
struct _u3_uhot* nex_u; // internal list
} u3_uhot;
/* u3_usig: receive signals.
*/
typedef struct _u3_usig {
uv_signal_t sil_u;
c3_i num_i;
struct _u3_usig* nex_u;
} u3_usig;
/* u3_unix: clay support system, also
*/
typedef struct _u3_unix {
uv_check_t syn_u; // fs sync check
u3_uhot* hot_u; // host state
u3_usig* sig_u; // signal list
#ifdef SYNCLOG
c3_w lot_w; // sync-slot
struct _u3_sylo {
c3_o unx; // from unix
c3_m wer_m; // mote saying where
c3_m wot_m; // mote saying what
c3_c* pax_c; // path
} sylo[1024];
#endif
} u3_unix;
/* u3_temp: just a timer for ever
*/
typedef struct _u3_temp {
uv_timer_t tim_u; // temp timer
c3_w run_w; // run of consecutive alarms
c3_o alm; // alarm
} u3_temp;
/* u2_utfo: unix terminfo strings.
*/
typedef struct {
struct {
const c3_y* kcuu1_y; // key_up
const c3_y* kcud1_y; // key_down
const c3_y* kcub1_y; // key_back
const c3_y* kcuf1_y; // key_forward
c3_w max_w; // maximum input sequence length
} inn;
struct {
const c3_y* clear_y; // clear_screen
const c3_y* el_y; // clr_bol clear to beginning
// const c3_y* el1_y; // clr_eol clear to end
const c3_y* ed_y; // clear to end of screen
const c3_y* bel_y; // bel sound bell
const c3_y* cub1_y; // parm_left
const c3_y* cuf1_y; // parm_right
const c3_y* cuu1_y; // parm_up
const c3_y* cud1_y; // parm_down
// const c3_y* cub_y; // parm_left_cursor #num
// const c3_y* cuf_y; // parm_right_cursor #num
} out;
} u3_utfo;
#if 0
/* u3_uwen: unix alarm.
*/
typedef struct _u3_uwen {
c3_y* pax_y; // printed path
c3_d wen_d[2]; // timer expire
};
/* u3_utim: unix timer control.
*/
typedef struct _u3_utim {
uv_timer_t wat_u; // timer control
u3_uwen* wen_u; // timers in ascending order
};
#endif
/* u3_utty: unix tty.
*/
typedef struct _u3_utty {
union {
uv_pipe_t pop_u;
uv_tcp_t wax_u;
};
struct _u3_utty* nex_u; // next in host list
c3_i fid_i; // file descriptor
c3_w tid_l; // terminal identity number
u3_utfo ufo_u; // terminfo strings
c3_i cug_i; // blocking fcntl flags
c3_i nob_i; // nonblocking fcntl flags
u3_utat tat_u; // control state
struct termios bak_u; // cooked terminal state
struct termios raw_u; // raw terminal state
} u3_utty;
/* u3_utel: unix telnet listener.
*/
typedef struct _u3_utel {
struct _u3_utty uty_t; // pseudo-tty
c3_s por_s; // file descriptor
void* tel_u; // telnet context
} u3_utel;
/* u3_raty: raft server type.
*/
typedef enum {
u3_raty_none,
u3_raty_foll,
u3_raty_cand,
u3_raty_lead
} u3_raty;
/* u3_raft: raft state.
*/
typedef struct {
uv_tcp_t wax_u; // TCP listener
uv_timer_t tim_u; // election/heartbeat timer
u3_ulog lug_u; // event log
c3_d ent_d; // last log index
c3_w lat_w; // last log term
u3_raty typ_e; // server type
struct _u3_rnam* nam_u; // list of peers
struct _u3_rcon* run_u; // unknown connections
c3_w pop_w; // population count
c3_w vot_w; // votes in this election
c3_c* str_c; // our name
// persistent state
c3_w tem_w; // current term
c3_c* vog_c; // who we voted for this term
// end persistent state
} u3_raft;
/* u3_rreq: raft request.
*/
typedef struct _u3_rreq {
struct _u3_rmsg* msg_u;
struct _u3_rreq* nex_u;
struct _u3_rcon* ron_u;
} u3_rreq;
/* u3_rbuf: raft input buffer.
*/
typedef struct _u3_rbuf {
c3_w len_w;
c3_w cap_w;
c3_y buf_y[0];
} u3_rbuf;
/* u3_rcon: raft connection.
*/
typedef struct _u3_rcon {
uv_tcp_t wax_u; // TCP handle
struct _u3_rnam* nam_u; // peer we're connected to
u3_rbuf* red_u; // read buffer
c3_o red; // u3_yes on new data
u3_rbuf* wri_u; // write buffer
u3_raft* raf_u; // back-reference to server
u3_rreq* out_u; // exit of request queue
u3_rreq* tou_u; // entry of request queue
struct _u3_rcon* nex_u; // pointer to next con
c3_o liv; // are we live?
} u3_rcon;
/* u3_rnam: raft peer name.
*/
typedef struct _u3_rnam {
c3_c* str_c; // our name
c3_c* nam_c; // hostname
c3_c* por_c; // port
u3_rcon* ron_u; // connection
struct _u3_rnam* nex_u; // pointer to next peer
c3_o vog; // did they vote for us?
} u3_rnam;
/* u3_opts: command line configuration.
*/
typedef struct _u3_opts {
c3_c* imp_c; // -I, czar name
c3_c* nam_c; // -n, unix hostname
c3_c* raf_c; // -r, raft flotilla
c3_w kno_w; // -k, kernel version
c3_w fuz_w; // -f, fuzz testing
c3_s por_s; // -p, ames port
c3_s rop_s; // -l, raft port
c3_o abo; // -a
c3_o bat; // -b, batch create
c3_o gab; // -g
c3_o dem; // -d, dem
c3_o fog; // -Xwtf, skip last event
c3_o fak; // -F, fake carrier
c3_o loh; // -L, local-only networking
c3_o pro; // , profile
c3_o veb; // -v, verbose (inverse of -q)
c3_o nuu; // -c, new pier
c3_o vno; // -V
c3_o mem; // -M, memory madness
} u3_opts;
/* u3_host: entire host.
*/
typedef struct _u3_host {
c3_w kno_w; // current executing stage
c3_c* dir_c; // pier path
c3_d now_d; // event tick
uv_loop_t* lup_u; // libuv event loop
u3_http* htp_u; // http servers
u3_cttp ctp_u; // http clients
u3_utel tel_u; // telnet listener
u3_utty* uty_u; // linked terminal list
u3_ames sam_u; // packet interface
u3_save sav_u; // autosave
u3_opts ops_u; // commandline options
u3_unix unx_u; // sync and clay
u3_temp teh_u; // temp timer
c3_o liv; // if u3_no, shut down
c3_i xit_i; // exit code for shutdown
void* ssl_u; // struct SSL_CTX*
} u3_host; // host == computer == process
# define u3L u3_Host.lup_u // global event loop
# define u3Z (&(u3_Raft))
# define u3S u3_Host.ssl_u
/** Global variables.
**/
c3_global u3_host u3_Host;
c3_global u3_raft u3_Raft;
c3_global c3_c* u3_Local;
c3_global c3_c* u3_System;
c3_global c3_o u3_Flag_Abort;
c3_global c3_o u3_Flag_Garbage;
c3_global c3_o u3_Flag_Profile;
c3_global c3_o u3_Flag_Verbose;
/** Functions.
**/
/* Urbit time: 128 bits, leap-free.
**
** High 64 bits: 0x8000.000c.cea3.5380 + Unix time at leap 25 (Jul 2012)
** Low 64 bits: 1/2^64 of a second.
**
** Seconds per Gregorian 400-block: 12.622.780.800
** 400-blocks from 0 to 0AD: 730.692.561
** Years from 0 to 0AD: 292.277.024.400
** Seconds from 0 to 0AD: 9.223.372.029.693.628.800
** Seconds between 0A and Unix epoch: 62.167.219.200
** Seconds before Unix epoch: 9.223.372.091.860.848.000
** The same, in C hex notation: 0x8000000cce9e0d80ULL
**
** New leap seconds after July 2012 (leap second 25) are ignored. The
** platform OS will not ignore them, of course, so they must be detected
** and counteracted. Perhaps this phenomenon will soon find an endpoint.
*/
/* u3_time_sec_in(): urbit seconds from unix time.
**
** Adjust (externally) for future leap secs!
*/
c3_d
u3_time_sec_in(c3_w unx_w);
/* u3_time_sec_out(): unix time from urbit seconds.
**
** Adjust (externally) for future leap secs!
*/
c3_w
u3_time_sec_out(c3_d urs_d);
/* u3_time_fsc_in(): urbit fracto-seconds from unix microseconds.
*/
c3_d
u3_time_fsc_in(c3_w usc_w);
/* u3_time_fsc_out: unix microseconds from urbit fracto-seconds.
*/
c3_w
u3_time_fsc_out(c3_d ufc_d);
/* u3_time_in_tv(): urbit time from struct timeval.
*/
u3_atom
u3_time_in_tv(struct timeval* tim_tv);
/* u3_time_out_tv(): struct timeval from urbit time.
*/
void
u3_time_out_tv(struct timeval* tim_tv, u3_noun now);
/* u3_time_in_ts(): urbit time from struct timespec.
*/
u3_atom
u3_time_in_ts(struct timespec* tim_ts);
#if defined(U3_OS_linux)
/* u3_time_t_in_ts(): urbit time from time_t.
*/
u3_atom
u3_time_t_in_ts(time_t tim);
#endif
/* u3_time_out_ts(): struct timespec from urbit time.
*/
void
u3_time_out_ts(struct timespec* tim_ts, u3_noun now);
/* u3_time_gap_ms(): (wen - now) in ms.
*/
c3_d
u3_time_gap_ms(u3_noun now, u3_noun wen);
/** Filesystem (new api).
**/
/* u3_walk_load(): load file or bail.
*/
u3_noun
u3_walk_load(c3_c* pas_c);
/* u3_walk_safe(): load file or 0.
*/
u3_noun
u3_walk_safe(c3_c* pas_c);
/* u3_walk_save(): save file or bail.
*/
void
u3_walk_save(c3_c* pas_c, u3_noun tim, u3_atom pad);
/* u3_sync_reck(): traverse filesystem for changes -> lamb
*/
u3_noun
u3_sync_reck(void);
/* u3_walk(): traverse `dir_c` to produce an arch, updating `old`.
*/
u3_noun
u3_walk(const c3_c* dir_c, u3_noun old);
/* u3_path(): C unix path in computer for file or directory.
*/
c3_c*
u3_path(c3_o fyl, u3_noun pax);
/** Filesystem (old api).
**/
/* u3_ve_file(): load internal file as atom from local or system.
*/
u3_weak
u3_ve_file(c3_c* ext_c, u3_noun tah);
/* u3_ve_frep(): load [.~ %rep myp {now} tah].
**
** File is either ~ or [nbytes mdate atom].
*/
u3_noun
u3_ve_frep(u3_noun myp, u3_noun tah);
/* u3_ve_date(): date internal file.
*/
c3_d
u3_ve_date(c3_c* ext_c, u3_noun tah);
/* u3_ve_save(): save internal file as atom.
*/
c3_o
u3_ve_save(c3_c* ext_c, u3_noun tah, u3_noun dat);
/* u3_ve_zeus(): prayer to internal file path. Return unit.
*/
u3_noun
u3_ve_zeus(u3_noun hap);
/** Output.
**/
/* u3_ve_tank(): print a tank at `tab`.
*/
void
u3_ve_tank(c3_l tab_l, u3_noun tac);
/* u3_reck_kick(): handle effect.
*/
void
u3_reck_kick(u3_noun ovo);
/** Main loop, new style.
**/
/* u3_lo_loop(): enter main event loop.
*/
void
u3_lo_loop(void);
/* u3_lo_lead(): actions on promotion to leader.
*/
void
u3_lo_lead(void);
/* u3_lo_exit(): shut down io across pier.
*/
void
u3_lo_exit(void);
/* u3_lo_show(): print typeless noun.
*/
void
u3_lo_show(c3_c* cap_c, u3_noun nun);
#define u3ls(cap_c, nun) u3_lo_show(cap_c, nun)
/* u3_lo_bail(): clean up all event state.
*/
void
u3_lo_bail(void);
/* u3_lo_tank(): dump single tank.
*/
void
u3_lo_tank(c3_l tab_l, u3_noun tac);
/* u3_lo_punt(): dump tank list.
*/
void
u3_lo_punt(c3_l tab_l, u3_noun tac);
/* u3_lo_sway(): print trace.
*/
void
u3_lo_sway(c3_l tab_l, u3_noun tax);
/* u3_lo_grab(): garbage-collect the world, plus roots; end with u3_none
*/
void
u3_lo_grab(c3_c* cap_c, u3_noun som, ...);
/* u3_lo_open(): begin callback processing.
*/
void
u3_lo_open(void);
/* u3_lo_shut(): end callback processing.
*/
void
u3_lo_shut(c3_o);
/** Terminal, new style.
**/
/* u3_term_get_blew(): return window size [columns rows].
*/
u3_noun
u3_term_get_blew(c3_l tid_l);
/* u3_term_ef_boil(): initial effects for restored server.
*/
void
u3_term_ef_boil();
/* u3_term_ef_winc(): window change.
*/
void
u3_term_ef_winc(void);
/* u3_term_ef_ctlc(): send ^C.
*/
void
u3_term_ef_ctlc(void);
/* u3_term_ef_bake(): initial effects for new server.
*/
void
u3_term_ef_bake(u3_noun fav);
/* u3_term_ef_blit(): send %blit effect to to terminal.
*/
void
u3_term_ef_blit(c3_l tid_l,
u3_noun blt);
/* u3_term_io_init(): initialize terminal I/O.
*/
void
u3_term_io_init(void);
/* u3_term_io_talk(): start terminal listener.
*/
void
u3_term_io_talk(void);
/* u3_term_io_exit(): terminate terminal I/O.
*/
void
u3_term_io_exit(void);
/* u3_term_io_poll(): update terminal IO state.
*/
void
u3_term_io_poll(void);
/* u3_term_io_hija(): hijack console for cooked print.
*/
FILE*
u3_term_io_hija(void);
/* u3_term_io_loja(): release console from cooked print.
*/
void
u3_term_io_loja(int x);
/* uL, uH: wrap hijack/lojack around fprintf.
**
** uL(fprintf(uH, ...));
*/
# define uH u3_term_io_hija()
# define uL(x) u3_term_io_loja(x)
/** Ames, packet networking.
**/
/* u3_ames_ef_bake(): create ames duct.
*/
void
u3_ames_ef_bake(void);
/* u3_ames_ef_send(): send packet to network.
*/
void
u3_ames_ef_send(u3_noun lan,
u3_noun pac);
/* u3_ames_io_init(): initialize ames I/O.
*/
void
u3_ames_io_init(void);
/* u3_ames_io_talk(): bring up listener.
*/
void
u3_ames_io_talk(void);
/* u3_ames_io_exit(): terminate ames I/O.
*/
void
u3_ames_io_exit(void);
/* u3_ames_io_poll(): update ames IO state.
*/
void
u3_ames_io_poll(void);
/** Autosave.
**/
/* u3_save_ef_chld(): report SIGCHLD.
*/
void
u3_save_ef_chld(void);
/* u3_save_io_init(): initialize autosave.
*/
void
u3_save_io_init(void);
/* u3_save_io_exit(): terminate autosave.
*/
void
u3_save_io_exit(void);
/* u3_save_io_poll(): update autosave state.
*/
void
u3_save_io_poll(void);
/** Storage, new school.
**/
/* u3_unix_ef_hold():
*/
void
u3_unix_ef_hold();
/* u3_unix_ef_move():
*/
void
u3_unix_ef_move();
/* u3_unix_ef_look(): update filesystem, inbound.
*/
void
u3_unix_ef_look(void);
/* u3_unix_ef_init(): update filesystem for new acquisition.
*/
void
u3_unix_ef_init(u3_noun who);
/* u3_unix_ef_ergo(): update filesystem, outbound.
*/
void
u3_unix_ef_ergo(u3_noun who,
u3_noun syd,
u3_noun rel);
/* u3_unix_io_init(): initialize storage.
*/
void
u3_unix_io_init(void);
/* u3_unix_io_talk(): start listening for fs events.
*/
void
u3_unix_io_talk(void);
/* u3_unix_io_exit(): terminate storage.
*/
void
u3_unix_io_exit(void);
/* u3_unix_io_poll(): update storage state.
*/
void
u3_unix_io_poll(void);
/** Temp, just a timer.
**/
/* u2_temp_io_init(): initialize temp timer.
*/
void
u2_temp_io_init(void);
/* u2_temp_io_exit(): terminate timer.
*/
void
u2_temp_io_exit(void);
/* u2_temp_io_poll(): update temp IO state.
*/
void
u2_temp_io_poll(void);
/** HTTP server.
**/
/* u3_http_ef_thou(): send %thou effect to http.
*/
void
u3_http_ef_thou(c3_l sev_l,
c3_l coq_l,
c3_l seq_l,
u3_noun rep);
/* u3_cttp_ef_thus(): send %thus effect to cttp.
*/
void
u3_cttp_ef_thus(c3_l num_l,
u3_noun req);
/* u3_http_ef_bake(): create new http server.
*/
void
u3_http_ef_bake(void);
/* u3_http_io_init(): initialize http I/O.
*/
void
u3_http_io_init(void);
/* u3_http_io_talk(): start http listener.
*/
void
u3_http_io_talk(void);
/* u3_http_io_exit(): terminate http I/O.
*/
void
u3_http_io_exit(void);
/* u3_http_io_poll(): update http IO state.
*/
void
u3_http_io_poll(void);
/** Raft log syncing.
**/
/* u3_raft_readopt(): parse command line options.
*/
u3_rnam*
u3_raft_readopt(const c3_c* arg_c, c3_c* our_c, c3_s oup_s);
/* u3_raft_init(): start Raft process.
*/
void
u3_raft_init(void);
/* u3_raft_work(): poke, kick, and push pending events.
*/
void
u3_raft_work(void);
/** Disk persistence.
**/
/* u3_sist_boot(): restore or create pier from disk.
*/
void
u3_sist_boot(void);
/* u3_sist_pack(): write a log entry to disk.
**
** XX Synchronous.
**
** typ_w is a mote describing the entry type: %ov for Arvo
** logs, %ra for Raft events.
**
** Returns the entry's sequence number.
*/
c3_d
u3_sist_pack(c3_w tem_w,
c3_w typ_w,
c3_w* bob_w,
c3_w len_w);
/* u3_sist_put(): moronic key-value store put.
**
** u3_sist_put will do its best to associate the passed key with
** the passed value in a way that will persist across process
** restarts. It will probably do so by writing a file named for
** the key with contents identical to the value. To rely on it
** for anything heavy-duty would be a mistake.
**
** Why would we even have something like this? Because sometimes
** we need to maintain files completely independently of the
** noun state.
*/
void
u3_sist_put(const c3_c* key_c, const c3_y* val_y, size_t siz_i);
/* u3_sist_nil(): moronic key-value store rm.
**
** Does its best to expunge all records on the given key. Has
** no effect if the key doesn't exist.
*/
void
u3_sist_nil(const c3_c* key_c);
/* u3_sist_has(): moronic key-value store existence check.
**
** Returns the byte length of the value previously stored via
** u3_sist_put, or -1 if it couldn't find one.
*/
ssize_t
u3_sist_has(const c3_c* key_c);
/* u3_sist_get(): moronic key-value store get.
**
** u3_sist_get is the mirror of u3_sist_put. It writes to val_y,
** which had better be at least as big as the return value from
** u3_sist_has, the value that you previously put.
**
** Needless to say, u3_sist_get crashes if it can't find your
** value.
*/
void
u3_sist_get(const c3_c* key_c, c3_y* val_y);
/** New timer system.
**/
/* u3_temp_io_init(): initialize time timer.
*/
void
u3_temp_io_init(void);
/* u3_temp_io_exit(): terminate timer.
*/
void
u3_temp_io_exit(void);
/* u3_temp_io_poll(): update temp IO state.
*/
void
u3_temp_io_poll(void);
/** HTTP client.
**/
/* u3_cttp_ef_thus(): send %thus effect to cttp.
*/
void
u3_cttp_ef_thus(c3_l num_l,
u3_noun req);
/* u3_cttp_io_init(): initialize cttp I/O.
*/
void
u3_cttp_io_init(void);
/* u3_cttp_io_exit(): terminate cttp I/O.
*/
void
u3_cttp_io_exit(void);
/* u3_cttp_io_poll(): update cttp IO state.
*/
void
u3_cttp_io_poll(void);