void local_add_watch(ETERM* args) { ETERM *pathp = erl_element(1, args); int pathLength = ERL_BIN_SIZE(pathp); char *path = ERL_BIN_PTR(pathp); ETERM *notifyFilterp = erl_element(2, args); unsigned int notifyFilter_ui = ERL_INT_UVALUE(notifyFilterp); long notifyFilter = (long)notifyFilter_ui; ETERM *watchSubdirsp = erl_element(3, args); int watchSubdirs = ERL_INT_VALUE(watchSubdirsp); int watchID = eNotify_addWatch(path, pathLength, notifyFilter, watchSubdirs); // Prepare response ETERM *tuplep; ETERM *tupleArray[2]; if (watchID < 0) { long errorCode = (long)(-watchID); char errorDesc[1024]; eNotify_getErrorDesc(errorCode, errorDesc, 1024); tupleArray[0] = erl_mk_atom("error"); tupleArray[1] = erl_mk_string(errorDesc); } else if (0 == watchID) { // this may happen if there's a problem converting // a path from utf8 to UTF16 tupleArray[0] = erl_mk_atom("error"); tupleArray[1] = erl_mk_string("internal_error"); } else { tupleArray[0] = erl_mk_atom("ok"); tupleArray[1] = erl_mk_int(watchID); } char buf[1024]; tuplep = erl_mk_tuple(tupleArray, 2); erl_encode(tuplep, buf); write_cmd(buf, erl_term_len(tuplep)); erl_free_array(tupleArray, 2); // free contents from tupleArray }
void eNotifyCallback(int watchID, int action, const void* rootPath, int rootPathLength, const void* filePath, int filePathLength) { // MAX_FILE_PATHNAME_LENGTH * 2 because we are passing 2 paths byte buf[MAX_FILE_PATHNAME_LENGTH*2]; ETERM *tuplep; // Build response ETERM *tupleArray[4]; tupleArray[0] = erl_mk_int(watchID); tupleArray[1] = erl_mk_int(action); tupleArray[2] = erl_mk_binary(rootPath, rootPathLength); tupleArray[3] = erl_mk_binary(filePath, filePathLength); tuplep = erl_mk_tuple(tupleArray, 4); erl_encode(tuplep, buf); write_cmd(buf, erl_term_len(tuplep)); // free contents from tupleArray erl_free_array(tupleArray, 4); }
int main(void) #endif { ei_x_buff eix; int index = 0; ETERM **etermpp = NULL, *etermp = NULL; char *charp = NULL; unsigned char uchar, **ucharpp = NULL, *ucharp = NULL; void *voidp = NULL; Erl_Heap *erl_heapp = NULL; int intx = 0; int *intp = NULL; unsigned int uintx, *uintp; unsigned long *ulongp = NULL; long longx = 0; double doublex = 0.0; short shortx = 42; FILE *filep = NULL; Erl_IpAddr erl_ipaddr = NULL; ErlMessage *erlmessagep = NULL; ErlConnect *erlconnectp = NULL; struct hostent *hostp = NULL; struct in_addr *inaddrp = NULL; /* Converion to erl_interface format is in liberl_interface */ intx = erl_errno; ei_encode_term(charp, &index, voidp); ei_x_encode_term(&eix, voidp); ei_decode_term(charp, &index, voidp); erl_init(voidp, longx); erl_connect_init(intx, charp,shortx); erl_connect_xinit(charp,charp,charp,erl_ipaddr,charp,shortx); erl_connect(charp); erl_xconnect(erl_ipaddr,charp); erl_close_connection(intx); erl_receive(intx, ucharp, intx); erl_receive_msg(intx, ucharp, intx, erlmessagep); erl_xreceive_msg(intx, ucharpp, intp, erlmessagep); erl_send(intx, etermp, etermp); erl_reg_send(intx, charp, etermp); erl_rpc(intx,charp,charp,etermp); erl_rpc_to(intx,charp,charp,etermp); erl_rpc_from(intx,intx,erlmessagep); erl_publish(intx); erl_accept(intx,erlconnectp); erl_thiscookie(); erl_thisnodename(); erl_thishostname(); erl_thisalivename(); erl_thiscreation(); erl_unpublish(charp); erl_err_msg(charp); erl_err_quit(charp); erl_err_ret(charp); erl_err_sys(charp); erl_cons(etermp,etermp); erl_copy_term(etermp); erl_element(intx,etermp); erl_hd(etermp); erl_iolist_to_binary(etermp); erl_iolist_to_string(etermp); erl_iolist_length(etermp); erl_length(etermp); erl_mk_atom(charp); erl_mk_binary(charp,intx); erl_mk_empty_list(); erl_mk_estring(charp, intx); erl_mk_float(doublex); erl_mk_int(intx); erl_mk_list(etermpp,intx); erl_mk_pid(charp,uintx,uintx,uchar); erl_mk_port(charp,uintx,uchar); erl_mk_ref(charp,uintx,uchar); erl_mk_long_ref(charp,uintx,uintx,uintx,uchar); erl_mk_string(charp); erl_mk_tuple(etermpp,intx); erl_mk_uint(uintx); erl_mk_var(charp); erl_print_term(filep,etermp); /* erl_sprint_term(charp,etermp); */ erl_size(etermp); erl_tl(etermp); erl_var_content(etermp, charp); erl_format(charp); erl_match(etermp, etermp); erl_global_names(intx, intp); erl_global_register(intx, charp, etermp); erl_global_unregister(intx, charp); erl_global_whereis(intx, charp, charp); erl_init_malloc(erl_heapp,longx); erl_alloc_eterm(uchar); erl_eterm_release(); erl_eterm_statistics(ulongp,ulongp); erl_free_array(etermpp,intx); erl_free_term(etermp); erl_free_compound(etermp); erl_malloc(longx); erl_free(voidp); erl_compare_ext(ucharp, ucharp); erl_decode(ucharp); erl_decode_buf(ucharpp); erl_encode(etermp,ucharp); erl_encode_buf(etermp,ucharpp); erl_ext_size(ucharp); erl_ext_type(ucharp); erl_peek_ext(ucharp,intx); erl_term_len(etermp); erl_gethostbyname(charp); erl_gethostbyaddr(charp, intx, intx); erl_gethostbyname_r(charp, hostp, charp, intx, intp); erl_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp); erl_init_resolve(); erl_distversion(intx); erl_epmd_connect(inaddrp); erl_epmd_port(inaddrp, charp, intp); charp = ERL_ATOM_PTR(etermp); intx = ERL_ATOM_SIZE(etermp); ucharp = ERL_BIN_PTR(etermp); intx = ERL_BIN_SIZE(etermp); etermp = ERL_CONS_HEAD(etermp); etermp = ERL_CONS_TAIL(etermp); intx = ERL_COUNT(etermp); doublex= ERL_FLOAT_VALUE(etermp); uintx = ERL_INT_UVALUE(etermp); intx = ERL_INT_VALUE(etermp); intx = ERL_IS_ATOM(etermp); intx = ERL_IS_BINARY(etermp); intx = ERL_IS_CONS(etermp); intx = ERL_IS_EMPTY_LIST(etermp); intx = ERL_IS_FLOAT(etermp); intx = ERL_IS_INTEGER(etermp); intx = ERL_IS_LIST(etermp); intx = ERL_IS_PID(etermp); intx = ERL_IS_PORT(etermp); intx = ERL_IS_REF(etermp); intx = ERL_IS_TUPLE(etermp); intx = ERL_IS_UNSIGNED_INTEGER(etermp); uchar = ERL_PID_CREATION(etermp); charp = ERL_PID_NODE(etermp); uintx = ERL_PID_NUMBER(etermp); uintx = ERL_PID_SERIAL(etermp); uchar = ERL_PORT_CREATION(etermp); charp = ERL_PORT_NODE(etermp); uintx = ERL_PORT_NUMBER(etermp); uchar = ERL_REF_CREATION(etermp); intx = ERL_REF_LEN(etermp); charp = ERL_REF_NODE(etermp); uintx = ERL_REF_NUMBER(etermp); uintp = ERL_REF_NUMBERS(etermp); etermp = ERL_TUPLE_ELEMENT(etermp,intx); intx = ERL_TUPLE_SIZE(etermp); return BUFSIZ + EAGAIN + EHOSTUNREACH + EINVAL + EIO + EMSGSIZE + ENOMEM + ERL_ATOM + ERL_BINARY + ERL_ERROR + ERL_EXIT + ERL_FLOAT + ERL_INTEGER + ERL_LINK + ERL_LIST + ERL_MSG + ERL_NO_TIMEOUT + ERL_PID + ERL_PORT + ERL_REF + ERL_REG_SEND + ERL_SEND + ERL_SMALL_BIG + ERL_TICK + ERL_TIMEOUT + ERL_TUPLE + ERL_UNLINK + ERL_U_INTEGER + ERL_U_SMALL_BIG + ERL_VARIABLE + ETIMEDOUT + MAXNODELEN + MAXREGLEN; }
/** * Read an integer giving the maximum size of a fragment. */ int main( int argc, char *argv[] ) { int fail = 0; erl_init(NULL,0); #ifdef _DEBUG openlog( "erlang-port", 0, LOG_USER ); syslog( LOG_INFO, "%s is alive\n", argv[0] ); #endif while( ! fail ) { ETERM *fragsize_term = NULL; byte buf[100 /*WIRE_SIZEOF_INT*/]; if( read_lpm( buf, sizeof(buf) ) <= 0 ) { #ifdef _DEBUG syslog( LOG_ERR, "failed reading fragment size:\n" ); #endif break; } fragsize_term = erl_decode( buf ); if( fragsize_term ) { ETERM **array; unsigned int count; unsigned int SIZEOF_FRAGMENT = ERL_INT_UVALUE(fragsize_term); erl_free_term( fragsize_term ); if( SIZEOF_FRAGMENT == 0 /* the explicit signal to shutdown */ ) break; #ifdef _DEBUG syslog( LOG_INFO, "received sizeof fragment: %d\n", SIZEOF_FRAGMENT ); #endif count = min_packet_count( SIZEOF_IMAGE, SIZEOF_FRAGMENT ); array = calloc( count, sizeof(ETERM*) ); if( array ) { ETERM *frags; for(int i = 0; i < count; i++ ) { const size_t S = i+1 < count ? SIZEOF_FRAGMENT : (SIZEOF_IMAGE % SIZEOF_FRAGMENT); array[i] = erl_mk_binary( TEST_IMAGE + i*SIZEOF_FRAGMENT, S ); if( array[i] == NULL ) { count = i; // ...for erl_free_array below. fail = 1; break; } } if( fail ) goto cleanup; frags = erl_mk_list( array, count ); if( frags ) { const int nbyte = erl_term_len( frags ); byte *buf = calloc( nbyte, sizeof(byte) ); if( buf ) { if( erl_encode( frags, buf ) == nbyte ) { if( write_lpm( buf, nbyte ) != nbyte ) fail = 1; } else fail = 1; free( buf ); } else fail = 1; } else fail = 1; cleanup: erl_free_array( array, count ); free( array ); } } else break; } #ifdef _DEBUG closelog(); #endif return 0; }