diff options
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/atom.names | 1 | ||||
-rw-r--r-- | erts/emulator/beam/bif.tab | 2 | ||||
-rw-r--r-- | erts/emulator/beam/dist.c | 114 | ||||
-rw-r--r-- | erts/emulator/beam/dist.h | 3 | ||||
-rw-r--r-- | erts/emulator/beam/erl_node_tables.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_node_tables.h | 1 |
6 files changed, 119 insertions, 4 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index f81082a698..412d689246 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -290,6 +290,7 @@ atom Ge='>=' atom generational atom get_all_trap atom get_seq_token +atom get_size atom get_tcw atom gather_gc_info_result atom gather_io_bytes diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 11941db8cd..34a0be4f2d 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -160,6 +160,8 @@ bif erlang:dist_ctrl_input_handler/2 bif erlang:dist_ctrl_put_data/2 bif erlang:dist_ctrl_get_data/1 bif erlang:dist_ctrl_get_data_notification/1 +bif erlang:dist_ctrl_get_opt/2 +bif erlang:dist_ctrl_set_opt/3 # Static native functions in erts_internal bif erts_internal:port_info/1 diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index b50c8273b1..ff5f766de7 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -3253,6 +3253,86 @@ dist_ctrl_put_data_2(BIF_ALIST_2) } BIF_RETTYPE +dist_ctrl_set_opt_3(BIF_ALIST_3) +{ + DistEntry *dep = ERTS_PROC_GET_DIST_ENTRY(BIF_P); + Uint32 conn_id; + BIF_RETTYPE ret; + + if (!dep) + BIF_ERROR(BIF_P, EXC_NOTSUP); + + if (erts_dhandle_to_dist_entry(BIF_ARG_1, &conn_id) != dep) + BIF_ERROR(BIF_P, BADARG); + + erts_de_rlock(dep); + + if (dep->connection_id != conn_id) + ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); + else { + + switch (BIF_ARG_2) { + case am_get_size: + ERTS_BIF_PREP_RET(ret, (dep->opts & ERTS_DIST_CTRL_OPT_GET_SIZE + ? am_true + : am_false)); + if (BIF_ARG_3 == am_true) + dep->opts |= ERTS_DIST_CTRL_OPT_GET_SIZE; + else if (BIF_ARG_3 == am_false) + dep->opts &= ~ERTS_DIST_CTRL_OPT_GET_SIZE; + else + ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); + break; + default: + ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); + break; + } + + } + + erts_de_runlock(dep); + + return ret; +} + +BIF_RETTYPE +dist_ctrl_get_opt_2(BIF_ALIST_2) +{ + DistEntry *dep = ERTS_PROC_GET_DIST_ENTRY(BIF_P); + Uint32 conn_id; + BIF_RETTYPE ret; + + if (!dep) + BIF_ERROR(BIF_P, EXC_NOTSUP); + + if (erts_dhandle_to_dist_entry(BIF_ARG_1, &conn_id) != dep) + BIF_ERROR(BIF_P, BADARG); + + erts_de_rlock(dep); + + if (dep->connection_id != conn_id) + ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); + else { + + switch (BIF_ARG_2) { + case am_get_size: + ERTS_BIF_PREP_RET(ret, (dep->opts & ERTS_DIST_CTRL_OPT_GET_SIZE + ? am_true + : am_false)); + break; + default: + ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); + break; + } + + } + + erts_de_runlock(dep); + + return ret; +} + +BIF_RETTYPE dist_get_stat_1(BIF_ALIST_1) { Sint64 read, write, pend; @@ -3332,7 +3412,9 @@ dist_ctrl_get_data_1(BIF_ALIST_1) Eterm *hp; ProcBin *pb; erts_aint_t qsize; - Uint32 conn_id; + Uint32 conn_id, get_size; + Eterm res; + Uint hsz, bin_sz; if (!dep) BIF_ERROR(BIF_P, EXC_NOTSUP); @@ -3400,15 +3482,26 @@ dist_ctrl_get_data_1(BIF_ALIST_1) erts_de_runlock(dep); - hp = HAlloc(BIF_P, PROC_BIN_SIZE); + bin_sz = obuf->ext_endp - obuf->extp; + hsz = PROC_BIN_SIZE; + + get_size = dep->opts & ERTS_DIST_CTRL_OPT_GET_SIZE; + if (get_size) { + hsz += 3; /* 2 tuple */ + if (!IS_USMALL(0, bin_sz)) + hsz += BIG_UINT_HEAP_SIZE; + } + + hp = HAlloc(BIF_P, hsz); pb = (ProcBin *) (char *) hp; pb->thing_word = HEADER_PROC_BIN; - pb->size = obuf->ext_endp - obuf->extp; + pb->size = bin_sz; pb->next = MSO(BIF_P).first; MSO(BIF_P).first = (struct erl_off_heap_header*) pb; pb->val = ErtsDistOutputBuf2Binary(obuf); pb->bytes = (byte*) obuf->extp; pb->flags = 0; + hp += PROC_BIN_SIZE; qsize = erts_atomic_add_read_nob(&dep->qsize, -size_obuf(obuf)); ASSERT(qsize >= 0); @@ -3425,7 +3518,20 @@ dist_ctrl_get_data_1(BIF_ALIST_1) } } - BIF_RET2(make_binary(pb), (initial_reds - reds)); + res = make_binary(pb); + + if (get_size) { + Eterm sz_term; + if (IS_USMALL(0, bin_sz)) + sz_term = make_small(bin_sz); + else { + sz_term = uint_to_big(bin_sz, hp); + hp += BIG_UINT_HEAP_SIZE; + } + res = TUPLE2(hp, sz_term, res); + } + + BIF_RET2(res, (initial_reds - reds)); } void diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index c4bb967592..5bd22cc31f 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -172,6 +172,9 @@ extern int erts_is_alive; /* Pending connection; signals can be enqueued */ #define ERTS_DSIG_PREP_PENDING 4 +/* dist_ctrl_{g,s}et_option/2 */ +#define ERTS_DIST_CTRL_OPT_GET_SIZE ((Uint32) (1 << 0)) + #ifdef DEBUG #define ERTS_DBG_CHK_NO_DIST_LNK(D, R, L) \ erts_dbg_chk_no_dist_proc_link((D), (R), (L)) diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index afafaf48dc..1adb101e30 100644 --- a/erts/emulator/beam/erl_node_tables.c +++ b/erts/emulator/beam/erl_node_tables.c @@ -177,6 +177,7 @@ dist_table_alloc(void *dep_tmpl) dep->connection_id = 0; dep->state = ERTS_DE_STATE_IDLE; dep->flags = 0; + dep->opts = 0; dep->version = 0; dep->mld = NULL; @@ -659,6 +660,7 @@ erts_set_dist_entry_not_connected(DistEntry *dep) dep->state = ERTS_DE_STATE_IDLE; dep->flags = 0; + dep->opts = 0; dep->prev = NULL; dep->cid = NIL; diff --git a/erts/emulator/beam/erl_node_tables.h b/erts/emulator/beam/erl_node_tables.h index d5daf0c2df..8153699596 100644 --- a/erts/emulator/beam/erl_node_tables.h +++ b/erts/emulator/beam/erl_node_tables.h @@ -148,6 +148,7 @@ struct dist_entry_ { enum dist_entry_state state; Uint32 flags; /* Distribution flags, like hidden, atom cache etc. */ + Uint32 opts; unsigned long version; /* Protocol version */ ErtsMonLnkDist *mld; /* Monitors and links */ |