diff options
-rw-r--r-- | erts/emulator/beam/bif.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/big.c | 18 | ||||
-rw-r--r-- | erts/emulator/beam/big.h | 2 | ||||
-rw-r--r-- | erts/emulator/beam/dist.c | 8 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 5 | ||||
-rw-r--r-- | erts/emulator/beam/erl_node_tables.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/erl_node_tables.h | 2 | ||||
-rw-r--r-- | erts/epmd/epmd.mk | 2 | ||||
-rw-r--r-- | erts/epmd/src/epmd.h | 1 | ||||
-rw-r--r-- | erts/epmd/src/epmd_int.h | 10 | ||||
-rw-r--r-- | erts/epmd/src/epmd_srv.c | 89 | ||||
-rw-r--r-- | erts/test/erl_print_SUITE.erl | 41 | ||||
-rw-r--r-- | lib/kernel/src/erl_epmd.erl | 11 | ||||
-rw-r--r-- | lib/kernel/test/erl_distribution_wb_SUITE.erl | 58 |
14 files changed, 105 insertions, 150 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index d0e2d9afc2..b81056c774 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -1915,7 +1915,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm return_term, Eterm *refp, erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); erts_dsprintf(dsbufp, "Discarding message %T from %T to %T in an old " - "incarnation (%u) of this node (%u)\n", + "incarnation (%d) of this node (%d)\n", msg, p->common.id, to, @@ -1959,7 +1959,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm return_term, Eterm *refp, erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); erts_dsprintf(dsbufp, "Discarding message %T from %T to %T in an old " - "incarnation (%u) of this node (%u)\n", + "incarnation (%d) of this node (%d)\n", msg, p->common.id, to, diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index 7666f23a4f..522f50287a 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -2176,24 +2176,6 @@ term_to_Uint64(Eterm term, Uint64 *up) #endif } -int -term_to_Uint32(Eterm term, Uint32 *up) -{ -#if ERTS_SIZEOF_ETERM == 4 - return term_to_Uint(term,up); -#else - if (is_small(term)) { - Sint i = signed_val(term); - if (i >= 0) { - *up = (Uint32) i; - return 1; - } - } - *up = BADARG; - return 0; -#endif -} - int term_to_Sint(Eterm term, Sint *sp) { diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h index 3fed076419..ad19cce395 100644 --- a/erts/emulator/beam/big.h +++ b/erts/emulator/beam/big.h @@ -168,8 +168,6 @@ Eterm erts_uint64_array_to_big(Uint **, int, int, Uint64 *); int term_to_Uint64(Eterm, Uint64*); int term_to_Sint64(Eterm, Sint64*); #endif -int term_to_Uint32(Eterm, Uint32*); - Uint32 big_to_uint32(Eterm b); int term_equals_2pow32(Eterm); diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 8bbe6450eb..28afae96bd 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -3748,10 +3748,12 @@ int distribution_info(fmtfn_t to, void *arg) /* Called by break handler */ BIF_RETTYPE setnode_2(BIF_ALIST_2) { Process *net_kernel; - Uint32 creation; + Uint creation; /* valid creation ? */ - if(!term_to_Uint32(BIF_ARG_2, &creation)) + if(!term_to_Uint(BIF_ARG_2, &creation)) + goto error; + if(creation > 3) goto error; /* valid node name ? */ @@ -3795,7 +3797,7 @@ BIF_RETTYPE setnode_2(BIF_ALIST_2) erts_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); erts_thr_progress_block(); inc_no_nodes(); - erts_set_this_node(BIF_ARG_1, creation); + erts_set_this_node(BIF_ARG_1, (Uint32) creation); erts_is_alive = 1; send_nodes_mon_msgs(NULL, am_nodeup, BIF_ARG_1, am_visible, NIL); erts_thr_progress_unblock(); diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index a7424bbcb8..a32e6de436 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -2797,10 +2797,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) } else if (BIF_ARG_1 == am_threads) { return am_true; } else if (BIF_ARG_1 == am_creation) { - Uint hsz = 0; - erts_bld_uint(NULL, &hsz, erts_this_node->creation); - hp = hsz ? HAlloc(BIF_P, hsz) : NULL; - BIF_RET(erts_bld_uint(&hp, NULL, erts_this_node->creation)); + return make_small(erts_this_node->creation); } else if (BIF_ARG_1 == am_break_ignored) { extern int ignore_break; if (ignore_break) diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index 49dea8919b..5eb9939b73 100644 --- a/erts/emulator/beam/erl_node_tables.c +++ b/erts/emulator/beam/erl_node_tables.c @@ -977,7 +977,7 @@ static void print_node(void *venp, void *vpndp) if(pndp->sysname == NIL) { erts_print(pndp->to, pndp->to_arg, "Name: %T ", enp->sysname); } - erts_print(pndp->to, pndp->to_arg, " %u", enp->creation); + erts_print(pndp->to, pndp->to_arg, " %d", enp->creation); #ifdef DEBUG erts_print(pndp->to, pndp->to_arg, " (refc=%ld)", erts_refc_read(&enp->refc, 0)); @@ -1020,7 +1020,7 @@ void erts_print_node_info(fmtfn_t to, /* ----------------------------------------------------------------------- */ void -erts_set_this_node(Eterm sysname, Uint32 creation) +erts_set_this_node(Eterm sysname, Uint creation) { ERTS_LC_ASSERT(erts_thr_progress_is_blocking()); ASSERT(2 <= de_refc_read(erts_this_dist_entry, 2)); diff --git a/erts/emulator/beam/erl_node_tables.h b/erts/emulator/beam/erl_node_tables.h index c434926142..8153699596 100644 --- a/erts/emulator/beam/erl_node_tables.h +++ b/erts/emulator/beam/erl_node_tables.h @@ -258,7 +258,7 @@ void erts_set_dist_entry_pending(DistEntry *); void erts_set_dist_entry_connected(DistEntry *, Eterm, Uint); ErlNode *erts_find_or_insert_node(Eterm, Uint32, Eterm); void erts_schedule_delete_node(ErlNode *); -void erts_set_this_node(Eterm, Uint32); +void erts_set_this_node(Eterm, Uint); Uint erts_node_table_size(void); void erts_init_node_tables(int); void erts_node_table_info(fmtfn_t, void *); diff --git a/erts/epmd/epmd.mk b/erts/epmd/epmd.mk index f6889a7ff1..b1fd04dc04 100644 --- a/erts/epmd/epmd.mk +++ b/erts/epmd/epmd.mk @@ -67,5 +67,5 @@ EPMD_NODE_TYPE=110 # Distribution format 5 contains the new md5 based handshake. EPMD_DIST_LOW=5 -EPMD_DIST_HIGH=6 +EPMD_DIST_HIGH=5 diff --git a/erts/epmd/src/epmd.h b/erts/epmd/src/epmd.h index 7332294d3d..cffcd4ae7a 100644 --- a/erts/epmd/src/epmd.h +++ b/erts/epmd/src/epmd.h @@ -26,7 +26,6 @@ #define EPMD_ALIVE2_REQ 'x' #define EPMD_PORT2_REQ 'z' #define EPMD_ALIVE2_RESP 'y' -#define EPMD_ALIVE2_X_RESP 'v' #define EPMD_PORT2_RESP 'w' #define EPMD_NAMES_REQ 'n' diff --git a/erts/epmd/src/epmd_int.h b/erts/epmd/src/epmd_int.h index a5156a142e..ed9bbdb8cd 100644 --- a/erts/epmd/src/epmd_int.h +++ b/erts/epmd/src/epmd_int.h @@ -277,12 +277,6 @@ static const struct in6_addr in6addr_loopback = #define put_int16(i, s) {((unsigned char*)(s))[0] = ((i) >> 8) & 0xff; \ ((unsigned char*)(s))[1] = (i) & 0xff;} -#define put_int32(i, s) do {((char*)(s))[0] = (char)((i) >> 24) & 0xff; \ - ((char*)(s))[1] = (char)((i) >> 16) & 0xff; \ - ((char*)(s))[2] = (char)((i) >> 8) & 0xff; \ - ((char*)(s))[3] = (char)(i) & 0xff;} \ - while (0) - #if defined(__GNUC__) # define EPMD_INLINE __inline__ #elif defined(__WIN32__) @@ -313,10 +307,10 @@ struct enode { int fd; /* The socket in use */ unsigned short port; /* Port number of Erlang node */ char symname[MAXSYMLEN+1]; /* Name of the Erlang node */ - unsigned int cr_counter; /* Used to generate 'creation' numbers */ + short creation; /* Started as a random number 1..3 */ char nodetype; /* 77 = normal erlang node 72 = hidden (c-node */ char protocol; /* 0 = tcp/ipv4 */ - unsigned short highvsn; /* 5: creation=1..3, 6: creation=1..(2^32-1)*/ + unsigned short highvsn; /* 0 = OTP-R3 erts-4.6.x, 1 = OTP-R4 erts-4.7.x*/ unsigned short lowvsn; int extralen; char extra[MAXSYMLEN+1]; diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c index 633ec71e5f..3c6f1fbdf4 100644 --- a/erts/epmd/src/epmd_srv.c +++ b/erts/epmd/src/epmd_srv.c @@ -665,21 +665,6 @@ static int do_accept(EpmdVars *g,int listensock) return conn_open(g,msgsock); } -static void bump_creation(Node* node) -{ - if (++node->cr_counter == 0) - node->cr_counter = 1; -} -static unsigned int get_creation(Node* node) -{ - if (node->highvsn >= 6) { - return node->cr_counter; /* 1..(2^32-1)*/ - } - else { - return (node->cr_counter - 1) % 3 + 1; /* 1..3 */ - } -} - /* buf is actually one byte larger than bsize, giving place for null termination */ static void do_request(g, fd, s, buf, bsize) @@ -721,10 +706,8 @@ static void do_request(g, fd, s, buf, bsize) unsigned char protocol; unsigned short highvsn; unsigned short lowvsn; - unsigned int creation; int namelen; int extralen; - int replylen; char *name; char *extra; eport = get_int16(&buf[1]); @@ -754,22 +737,17 @@ static void do_request(g, fd, s, buf, bsize) extra = &buf[11+namelen+2]; extra[extralen]='\000'; - node = node_reg2(g, namelen, name, fd, eport, nodetype, protocol, - highvsn, lowvsn, extralen, extra); - creation = node ? get_creation(node) : 99; - wbuf[1] = node ? 0 : 1; /* ok | error */ - if (highvsn >= 6) { - wbuf[0] = EPMD_ALIVE2_X_RESP; - put_int32(creation, wbuf+2); - replylen = 6; - } - else { - wbuf[0] = EPMD_ALIVE2_RESP; - put_int16(creation, wbuf+2); - replylen = 4; - } + wbuf[0] = EPMD_ALIVE2_RESP; + if ((node = node_reg2(g, namelen, name, fd, eport, nodetype, protocol, + highvsn, lowvsn, extralen, extra)) == NULL) { + wbuf[1] = 1; /* error */ + put_int16(99, wbuf+2); + } else { + wbuf[1] = 0; /* ok */ + put_int16(node->creation, wbuf+2); + } - if (!reply(g, fd, wbuf, replylen)) + if (!reply(g, fd, wbuf, 4)) { node_unreg(g, name); dbg_tty_printf(g,1,"** failed to send ALIVE2_RESP for \"%s\"", @@ -1222,8 +1200,8 @@ static int node_unreg(EpmdVars *g,char *name) for (; node; prev = &node->next, node = node->next) if (is_same_str(node->symname, name)) { - dbg_tty_printf(g,1,"unregistering '%s:%u', port %d", - node->symname, get_creation(node), node->port); + dbg_tty_printf(g,1,"unregistering '%s:%d', port %d", + node->symname, node->creation, node->port); *prev = node->next; /* Link out from "reg" list */ @@ -1257,8 +1235,8 @@ static int node_unreg_sock(EpmdVars *g,int fd) for (; node; prev = &node->next, node = node->next) if (node->fd == fd) { - dbg_tty_printf(g,1,"unregistering '%s:%u', port %d", - node->symname, get_creation(node), node->port); + dbg_tty_printf(g,1,"unregistering '%s:%d', port %d", + node->symname, node->creation, node->port); *prev = node->next; /* Link out from "reg" list */ @@ -1286,8 +1264,19 @@ static int node_unreg_sock(EpmdVars *g,int fd) } /* - * Register a new node + * Finding a node slot and a (name,creation) name is a bit tricky. + * We try in order + * + * 1. If the name was used before and we can reuse that slot but use + * a new "creation" digit in the range 1..3. + * + * 2. We try to find a new unused slot. + * + * 3. We try to use an used slot this isn't used any longer. + * FIXME: The criteria for *what* slot to steal should be improved. + * Perhaps use the oldest or something. */ + static Node *node_reg2(EpmdVars *g, int namelen, char* name, @@ -1357,7 +1346,7 @@ static Node *node_reg2(EpmdVars *g, } /* Try to find the name in the used queue so that we - can change "creation" number */ + can change "creation" number 1..3 */ prev = NULL; @@ -1386,8 +1375,9 @@ static Node *node_reg2(EpmdVars *g, g->nodes.unreg_count--; - /* When reusing we change the "creation" number */ - bump_creation(node); + /* When reusing we change the "creation" number 1..3 */ + + node->creation = node->creation % 3 + 1; break; } @@ -1414,8 +1404,7 @@ static Node *node_reg2(EpmdVars *g, exit(1); } - node->cr_counter = current_time(g); /* "random" */ - bump_creation(node); + node->creation = (current_time(g) % 3) + 1; /* "random" 1-3 */ } } @@ -1434,11 +1423,11 @@ static Node *node_reg2(EpmdVars *g, select_fd_set(g, fd); if (highvsn == 0) { - dbg_tty_printf(g,1,"registering '%s:%u', port %d", - node->symname, get_creation(node), node->port); + dbg_tty_printf(g,1,"registering '%s:%d', port %d", + node->symname, node->creation, node->port); } else { - dbg_tty_printf(g,1,"registering '%s:%u', port %d", - node->symname, get_creation(node), node->port); + dbg_tty_printf(g,1,"registering '%s:%d', port %d", + node->symname, node->creation, node->port); dbg_tty_printf(g,1,"type %d proto %d highvsn %d lowvsn %d", nodetype, protocol, highvsn, lowvsn); } @@ -1572,8 +1561,8 @@ static void print_names(EpmdVars *g) for (node = g->nodes.reg; node; node = node->next) { - fprintf(stderr,"***** active name \"%s#%u\" at port %d, fd = %d\r\n", - node->symname, get_creation(node), node->port, node->fd); + fprintf(stderr,"***** active name \"%s#%d\" at port %d, fd = %d\r\n", + node->symname, node->creation, node->port, node->fd); count ++; } @@ -1583,8 +1572,8 @@ static void print_names(EpmdVars *g) for (node = g->nodes.unreg; node; node = node->next) { - fprintf(stderr,"***** old/unused name \"%s#%u\"\r\n", - node->symname, get_creation(node)); + fprintf(stderr,"***** old/unused name \"%s#%d\"\r\n", + node->symname, node->creation); count ++; } diff --git a/erts/test/erl_print_SUITE.erl b/erts/test/erl_print_SUITE.erl index 0a5987df88..463d890688 100644 --- a/erts/test/erl_print_SUITE.erl +++ b/erts/test/erl_print_SUITE.erl @@ -324,9 +324,6 @@ run_case(Config, TestArgs, Fun) -> -define(PORT_EXT, 102). -define(PID_EXT, 103). -define(NEW_REFERENCE_EXT, 114). --define(NEW_PID_EXT, $X). --define(NEW_PORT_EXT, $Y). --define(NEWER_REFERENCE_EXT, $Z). uint32_be(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 32 -> [(Uint bsr 24) band 16#ff, @@ -354,13 +351,13 @@ mk_pid({NodeName, Creation}, Number, Serial) when is_atom(NodeName) -> mk_pid({atom_to_list(NodeName), Creation}, Number, Serial); mk_pid({NodeName, Creation}, Number, Serial) -> case catch binary_to_term(list_to_binary([?VERSION_MAGIC, - ?NEW_PID_EXT, + ?PID_EXT, ?ATOM_EXT, uint16_be(length(NodeName)), NodeName, uint32_be(Number), uint32_be(Serial), - uint32_be(Creation)])) of + uint8(Creation)])) of Pid when is_pid(Pid) -> Pid; {'EXIT', {badarg, _}} -> @@ -373,12 +370,12 @@ mk_port({NodeName, Creation}, Number) when is_atom(NodeName) -> mk_port({atom_to_list(NodeName), Creation}, Number); mk_port({NodeName, Creation}, Number) -> case catch binary_to_term(list_to_binary([?VERSION_MAGIC, - ?NEW_PORT_EXT, + ?PORT_EXT, ?ATOM_EXT, uint16_be(length(NodeName)), NodeName, uint32_be(Number), - uint32_be(Creation)])) of + uint8(Creation)])) of Port when is_port(Port) -> Port; {'EXIT', {badarg, _}} -> @@ -391,16 +388,33 @@ mk_ref({NodeName, Creation}, Numbers) when is_atom(NodeName), is_integer(Creation), is_list(Numbers) -> mk_ref({atom_to_list(NodeName), Creation}, Numbers); +mk_ref({NodeName, Creation}, [Number]) when is_list(NodeName), + is_integer(Creation), + is_integer(Number) -> + case catch binary_to_term(list_to_binary([?VERSION_MAGIC, + ?REFERENCE_EXT, + ?ATOM_EXT, + uint16_be(length(NodeName)), + NodeName, + uint32_be(Number), + uint8(Creation)])) of + Ref when is_reference(Ref) -> + Ref; + {'EXIT', {badarg, _}} -> + exit({badarg, mk_ref, [{NodeName, Creation}, [Number]]}); + Other -> + exit({unexpected_binary_to_term_result, Other}) + end; mk_ref({NodeName, Creation}, Numbers) when is_list(NodeName), is_integer(Creation), is_list(Numbers) -> case catch binary_to_term(list_to_binary([?VERSION_MAGIC, - ?NEWER_REFERENCE_EXT, + ?NEW_REFERENCE_EXT, uint16_be(length(Numbers)), ?ATOM_EXT, uint16_be(length(NodeName)), NodeName, - uint32_be(Creation), + uint8(Creation), lists:map(fun (N) -> uint32_be(N) end, @@ -415,10 +429,11 @@ mk_ref({NodeName, Creation}, Numbers) when is_list(NodeName), my_cre() -> erlang:system_info(creation). -oth_cre(N) when N >= 0, N < (1 bsl 32) -> - (N rem ((1 bsl 32) - 1)) + 1; -oth_cre(N) -> - exit({invalid_creation, N}). +oth_cre(0) -> 1; +oth_cre(1) -> 2; +oth_cre(2) -> 3; +oth_cre(3) -> 1; +oth_cre(N) -> exit({invalid_creation, N}). str_1_bsl_10000() -> "19950631168807583848837421626835850838234968318861924548520089498529438830221946631919961684036194597899331129423209124271556491349413781117593785932096323957855730046793794526765246551266059895520550086918193311542508608460618104685509074866089624888090489894838009253941633257850621568309473902556912388065225096643874441046759871626985453222868538161694315775629640762836880760732228535091641476183956381458969463899410840960536267821064621427333394036525565649530603142680234969400335934316651459297773279665775606172582031407994198179607378245683762280037302885487251900834464581454650557929601414833921615734588139257095379769119277800826957735674444123062018757836325502728323789270710373802866393031428133241401624195671690574061419654342324638801248856147305207431992259611796250130992860241708340807605932320161268492288496255841312844061536738951487114256315111089745514203313820202931640957596464756010405845841566072044962867016515061920631004186422275908670900574606417856951911456055068251250406007519842261898059237118054444788072906395242548339221982707404473162376760846613033778706039803413197133493654622700563169937455508241780972810983291314403571877524768509857276937926433221599399876886660808368837838027643282775172273657572744784112294389733810861607423253291974813120197604178281965697475898164531258434135959862784130128185406283476649088690521047580882615823961985770122407044330583075869039319604603404973156583208672105913300903752823415539745394397715257455290510212310947321610753474825740775273986348298498340756937955646638621874569499279016572103701364433135817214311791398222983845847334440270964182851005072927748364550578634501100852987812389473928699540834346158807043959118985815145779177143619698728131459483783202081474982171858011389071228250905826817436220577475921417653715687725614904582904992461028630081535583308130101987675856234343538955409175623400844887526162643568648833519463720377293240094456246923254350400678027273837755376406726898636241037491410966718557050759098100246789880178271925953381282421954028302759408448955014676668389697996886241636313376393903373455801407636741877711055384225739499110186468219696581651485130494222369947714763069155468217682876200362777257723781365331611196811280792669481887201298643660768551639860534602297871557517947385246369446923087894265948217008051120322365496288169035739121368338393591756418733850510970271613915439590991598154654417336311656936031122249937969999226781732358023111862644575299135758175008199839236284615249881088960232244362173771618086357015468484058622329792853875623486556440536962622018963571028812361567512543338303270029097668650568557157505516727518899194129711337690149916181315171544007728650573189557450920330185304847113818315407324053319038462084036421763703911550639789000742853672196280903477974533320468368795868580237952218629120080742819551317948157624448298518461509704888027274721574688131594750409732115080498190455803416826949787141316063210686391511681774304792596709376". diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl index f31a1722ce..7a14e2635c 100644 --- a/lib/kernel/src/erl_epmd.erl +++ b/lib/kernel/src/erl_epmd.erl @@ -33,10 +33,10 @@ -define(erlang_daemon_port, 4369). -endif. -ifndef(epmd_dist_high). --define(epmd_dist_high, 6). +-define(epmd_dist_high, 4370). -endif. -ifndef(epmd_dist_low). --define(epmd_dist_low, 5). +-define(epmd_dist_low, 4370). -endif. %% External exports @@ -342,13 +342,6 @@ wait_for_reg_reply(Socket, SoFar) -> receive {tcp, Socket, Data0} -> case SoFar ++ Data0 of - [$v, Result, A, B, C, D] -> - case Result of - 0 -> - {alive, Socket, ?u32(A, B, C, D)}; - _ -> - {error, duplicate_name} - end; [$y, Result, A, B] -> case Result of 0 -> diff --git a/lib/kernel/test/erl_distribution_wb_SUITE.erl b/lib/kernel/test/erl_distribution_wb_SUITE.erl index f3db6705a2..8256444bdc 100644 --- a/lib/kernel/test/erl_distribution_wb_SUITE.erl +++ b/lib/kernel/test/erl_distribution_wb_SUITE.erl @@ -47,9 +47,6 @@ R end). --define(EPMD_DIST_HIGH, 6). --define(EPMD_DIST_LOW, 5). - -define(DFLAG_PUBLISHED,1). -define(DFLAG_ATOM_CACHE,2). -define(DFLAG_EXTENDED_REFERENCES,4). @@ -60,18 +57,15 @@ -define(DFLAG_NEW_FUN_TAGS,16#80). -define(DFLAG_EXTENDED_PIDS_PORTS,16#100). -define(DFLAG_UTF8_ATOMS, 16#10000). --define(DFLAG_BIG_CREATION, 16#40000). %% From R9 and forward extended references is compulsory %% From R10 and forward extended pids and ports are compulsory %% From R20 and forward UTF8 atoms are compulsory %% From R21 and forward NEW_FUN_TAGS is compulsory (no more tuple fallback {fun, ...}) -%% From R22 and forward BIG_CREATION is compulsory -define(COMPULSORY_DFLAGS, (?DFLAG_EXTENDED_REFERENCES bor ?DFLAG_EXTENDED_PIDS_PORTS bor ?DFLAG_UTF8_ATOMS bor - ?DFLAG_NEW_FUN_TAGS bor - ?DFLAG_BIG_CREATION)). + ?DFLAG_NEW_FUN_TAGS)). -define(PASS_THROUGH, $p). @@ -214,9 +208,9 @@ pending_up_md5(Node,OurName,Cookie) -> {ok, SocketA} = gen_tcp:connect(atom_to_list(NB),PortNo, [{active,false}, {packet,2}]), - send_name(SocketA,OurName, ?EPMD_DIST_HIGH), + send_name(SocketA,OurName,5), ok = recv_status(SocketA), - {hidden,Node,?EPMD_DIST_HIGH,HisChallengeA} = recv_challenge(SocketA), % See 1) + {hidden,Node,5,HisChallengeA} = recv_challenge(SocketA), % See 1) OurChallengeA = gen_challenge(), OurDigestA = gen_digest(HisChallengeA, Cookie), send_challenge_reply(SocketA, OurChallengeA, OurDigestA), @@ -230,11 +224,11 @@ pending_up_md5(Node,OurName,Cookie) -> {ok, SocketB} = gen_tcp:connect(atom_to_list(NB),PortNo, [{active,false}, {packet,2}]), - send_name(SocketB,OurName, ?EPMD_DIST_HIGH), + send_name(SocketB,OurName,5), alive = recv_status(SocketB), send_status(SocketB, true), gen_tcp:close(SocketA), - {hidden,Node,?EPMD_DIST_HIGH,HisChallengeB} = recv_challenge(SocketB), % See 1) + {hidden,Node,5,HisChallengeB} = recv_challenge(SocketB), % See 1) OurChallengeB = gen_challenge(), OurDigestB = gen_digest(HisChallengeB, Cookie), send_challenge_reply(SocketB, OurChallengeB, OurDigestB), @@ -260,7 +254,7 @@ simultaneous_md5(Node, OurName, Cookie) when OurName < Node -> Else -> exit(Else) end, - EpmdSocket = register_node(OurName, LSocket, ?EPMD_DIST_LOW, ?EPMD_DIST_HIGH), + EpmdSocket = register(OurName, LSocket, 1, 5), {NA, NB} = split(Node), rpc:cast(Node, net_adm, ping, [OurName]), receive after 1000 -> ok end, @@ -268,7 +262,7 @@ simultaneous_md5(Node, OurName, Cookie) when OurName < Node -> {ok, SocketA} = gen_tcp:connect(atom_to_list(NB),PortNo, [{active,false}, {packet,2}]), - send_name(SocketA,OurName, ?EPMD_DIST_HIGH), + send_name(SocketA,OurName,5), %% We are still not marked up on the other side, as our first message %% is not sent. SocketB = case gen_tcp:accept(LSocket) of @@ -281,11 +275,11 @@ simultaneous_md5(Node, OurName, Cookie) when OurName < Node -> %% Now we are expected to close A gen_tcp:close(SocketA), %% But still Socket B will continue - {normal,Node,?EPMD_DIST_HIGH} = recv_name(SocketB), % See 1) + {normal,Node,5} = recv_name(SocketB), % See 1) send_status(SocketB, ok_simultaneous), MyChallengeB = gen_challenge(), - send_challenge(SocketB, OurName, MyChallengeB, ?EPMD_DIST_HIGH), - {ok,HisChallengeB} = recv_challenge_reply(SocketB, MyChallengeB, Cookie), + send_challenge(SocketB, OurName, MyChallengeB,5), + HisChallengeB = recv_challenge_reply(SocketB, MyChallengeB, Cookie), DigestB = gen_digest(HisChallengeB,Cookie), send_challenge_ack(SocketB, DigestB), inet:setopts(SocketB, [{active, false}, @@ -307,8 +301,7 @@ simultaneous_md5(Node, OurName, Cookie) when OurName > Node -> Else -> exit(Else) end, - EpmdSocket = register_node(OurName, LSocket, - ?EPMD_DIST_LOW, ?EPMD_DIST_HIGH), + EpmdSocket = register(OurName, LSocket, 1, 5), {NA, NB} = split(Node), rpc:cast(Node, net_adm, ping, [OurName]), receive after 1000 -> ok end, @@ -322,16 +315,16 @@ simultaneous_md5(Node, OurName, Cookie) when OurName > Node -> Else2 -> exit(Else2) end, - send_name(SocketA,OurName, ?EPMD_DIST_HIGH), + send_name(SocketA,OurName,5), ok_simultaneous = recv_status(SocketA), %% Socket B should die during this case catch begin - {normal,Node,?EPMD_DIST_HIGH} = recv_name(SocketB), % See 1) + {normal,Node,5} = recv_name(SocketB), % See 1) send_status(SocketB, ok_simultaneous), MyChallengeB = gen_challenge(), send_challenge(SocketB, OurName, MyChallengeB, 5), - {ok,HisChallengeB} = recv_challenge_reply( + HisChallengeB = recv_challenge_reply( SocketB, MyChallengeB, Cookie), @@ -353,7 +346,7 @@ simultaneous_md5(Node, OurName, Cookie) when OurName > Node -> end, gen_tcp:close(SocketB), %% But still Socket A will continue - {hidden,Node,?EPMD_DIST_HIGH,HisChallengeA} = recv_challenge(SocketA), % See 1) + {hidden,Node,5,HisChallengeA} = recv_challenge(SocketA), % See 1) OurChallengeA = gen_challenge(), OurDigestA = gen_digest(HisChallengeA, Cookie), send_challenge_reply(SocketA, OurChallengeA, OurDigestA), @@ -379,7 +372,7 @@ missing_compulsory_dflags(Config) when is_list(Config) -> [{active,false}, {packet,2}]), BadNode = list_to_atom(atom_to_list(Name2)++"@"++atom_to_list(NB)), - send_name(SocketA,BadNode, ?EPMD_DIST_HIGH, 0), + send_name(SocketA,BadNode,5,0), not_allowed = recv_status(SocketA), gen_tcp:close(SocketA), stop_node(Node), @@ -523,16 +516,16 @@ send_challenge_reply(Socket, Challenge, Digest) -> recv_challenge_reply(Socket, ChallengeA, Cookie) -> case gen_tcp:recv(Socket, 0) of - {ok,[$r,CB3,CB2,CB1,CB0 | SumB]=Data} when length(SumB) == 16 -> + {ok,[$r,CB3,CB2,CB1,CB0 | SumB]} when length(SumB) == 16 -> SumA = gen_digest(ChallengeA, Cookie), ChallengeB = ?u32(CB3,CB2,CB1,CB0), if SumB == SumA -> - {ok,ChallengeB}; + ChallengeB; true -> - {error,Data} + ?shutdown(bad_challenge_reply) end; - Err -> - {error,Err} + _ -> + ?shutdown(no_node) end. send_challenge_ack(Socket, Digest) -> @@ -627,13 +620,6 @@ wait_for_reg_reply(Socket, SoFar) -> receive {tcp, Socket, Data0} -> case SoFar ++ Data0 of - [$v, Result, A, B, C, D] -> - case Result of - 0 -> - {alive, Socket, ?u32(A, B, C, D)}; - _ -> - {error, duplicate_name} - end; [$y, Result, A, B] -> case Result of 0 -> @@ -654,7 +640,7 @@ wait_for_reg_reply(Socket, SoFar) -> end. -register_node(NodeName, ListenSocket, VLow, VHigh) -> +register(NodeName, ListenSocket, VLow, VHigh) -> {ok,{_,TcpPort}} = inet:sockname(ListenSocket), case do_register_node(NodeName, TcpPort, VLow, VHigh) of {alive, Socket, _Creation} -> |