int ei_encode_atom(char *buf, int *index, const char *p)
{
size_t len = strlen(p);
if (len >= INT_MAX) return -1;
return ei_encode_atom_len(buf, index, p, len);
}
int main(void)
#endif
{
ErlConnect conp;
Erl_IpAddr thisipaddr = (Erl_IpAddr)0;
FILE *fp = (FILE *)0;
char* charp = "foo";
double *doublep = NULL;
double doublex = 0.0;
ei_cnode xec;
ei_reg *ei_regp = NULL;
ei_term eterm;
ei_x_buff eix;
erlang_big *bigp = NULL;
erlang_fun efun;
erlang_msg *msgp = NULL;
erlang_msg emsg;
erlang_pid *pidp = NULL;
erlang_pid epid;
erlang_port eport;
erlang_ref eref;
erlang_trace etrace;
int *intp = NULL;
int intx = 0;
long *longp = NULL;
long longx = 0;
short creation = 0;
struct ei_reg_stat *ei_reg_statp = NULL;
struct ei_reg_tabstat *ei_reg_tabstatp = NULL;
struct hostent *hostp = NULL;
unsigned char * ucharp = (unsigned char *)"foo";
unsigned long *ulongp = NULL;
unsigned long ulongx = 0;
void *voidp = NULL;
#ifndef VXWORKS
EI_LONGLONG *longlongp = (EI_LONGLONG*)NULL;
EI_LONGLONG longlongx = 0;
EI_ULONGLONG *ulonglongp = (EI_ULONGLONG*)NULL;
EI_ULONGLONG ulonglongx = 0;
#endif
enum erlang_char_encoding enc;
intx = erl_errno;
ei_connect_init(&xec, charp, charp, creation);
ei_connect_xinit (&xec, charp, charp, charp, thisipaddr, charp, creation);
ei_connect(&xec, charp);
ei_xconnect (&xec, thisipaddr, charp);
ei_receive(intx, ucharp, intx);
ei_receive_msg(intx, &emsg, &eix);
ei_xreceive_msg(intx, &emsg, &eix);
ei_send(intx, &epid, charp, intx);
ei_reg_send(&xec, intx, charp, charp, intx);
ei_rpc(&xec, intx, charp, charp, charp, intx, &eix);
ei_rpc_to(&xec, intx, charp, charp, charp, intx);
ei_rpc_from(&xec, intx, intx, &emsg, &eix);
ei_publish(&xec, intx);
ei_accept(&xec, intx, &conp);
ei_unpublish(&xec);
ei_thisnodename(&xec);
ei_thishostname(&xec);
ei_thisalivename(&xec);
ei_self(&xec);
ei_gethostbyname(charp);
ei_gethostbyaddr(charp, intx, intx);
ei_gethostbyname_r(charp, hostp, charp, intx, intp);
ei_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp);
ei_encode_version(charp, intp);
ei_x_encode_version(&eix);
ei_encode_long(charp, intp, longx);
ei_x_encode_long(&eix, longx);
ei_encode_ulong(charp, intp, ulongx);
ei_x_encode_ulong(&eix, ulongx);
ei_encode_double(charp, intp, doublex);
ei_x_encode_double(&eix, doublex);
ei_encode_boolean(charp, intp, intx);
ei_x_encode_boolean(&eix, intx);
ei_encode_char(charp, intp, 'a');
ei_x_encode_char(&eix, 'a');
ei_encode_string(charp, intp, charp);
ei_encode_string_len(charp, intp, charp, intx);
ei_x_encode_string(&eix, charp);
ei_x_encode_string_len(&eix, charp, intx);
ei_encode_atom(charp, intp, charp);
ei_encode_atom_as(charp, intp, charp, ERLANG_LATIN1, ERLANG_UTF8);
ei_encode_atom_len(charp, intp, charp, intx);
ei_encode_atom_len_as(charp, intp, charp, intx, ERLANG_ASCII, ERLANG_LATIN1);
ei_x_encode_atom(&eix, charp);
ei_x_encode_atom_as(&eix, charp, ERLANG_LATIN1, ERLANG_UTF8);
ei_x_encode_atom_len(&eix, charp, intx);
ei_x_encode_atom_len_as(&eix, charp, intx, ERLANG_LATIN1, ERLANG_UTF8);
ei_encode_binary(charp, intp, (void *)0, longx);
ei_x_encode_binary(&eix, (void*)0, intx);
ei_encode_pid(charp, intp, &epid);
ei_x_encode_pid(&eix, &epid);
ei_encode_fun(charp, intp, &efun);
ei_x_encode_fun(&eix, &efun);
ei_encode_port(charp, intp, &eport);
ei_x_encode_port(&eix, &eport);
ei_encode_ref(charp, intp, &eref);
ei_x_encode_ref(&eix, &eref);
ei_encode_trace(charp, intp, &etrace);
ei_x_encode_trace(&eix, &etrace);
ei_encode_tuple_header(charp, intp, intx);
ei_x_encode_tuple_header(&eix, longx);
ei_encode_list_header(charp, intp, intx);
ei_x_encode_list_header(&eix, longx);
/* #define ei_encode_empty_list(buf,i) ei_encode_list_header(buf,i,0) */
ei_x_encode_empty_list(&eix);
ei_get_type(charp, intp, intp, intp);
ei_get_type_internal(charp, intp, intp, intp);
ei_decode_version(charp, intp, intp);
ei_decode_long(charp, intp, longp);
ei_decode_ulong(charp, intp, ulongp);
ei_decode_double(charp, intp, doublep);
ei_decode_boolean(charp, intp, intp);
ei_decode_char(charp, intp, charp);
ei_decode_string(charp, intp, charp);
ei_decode_atom(charp, intp, charp);
ei_decode_atom_as(charp, intp, charp, MAXATOMLEN_UTF8, ERLANG_WHATEVER, &enc, &enc);
ei_decode_binary(charp, intp, (void *)0, longp);
ei_decode_fun(charp, intp, &efun);
free_fun(&efun);
ei_decode_pid(charp, intp, &epid);
ei_decode_port(charp, intp, &eport);
ei_decode_ref(charp, intp, &eref);
ei_decode_trace(charp, intp, &etrace);
ei_decode_tuple_header(charp, intp, intp);
ei_decode_list_header(charp, intp, intp);
ei_decode_ei_term(charp, intp, &eterm);
ei_print_term(fp, charp, intp);
ei_s_print_term(&charp, charp, intp);
ei_x_format(&eix, charp);
ei_x_format_wo_ver(&eix, charp);
ei_x_new(&eix);
ei_x_new_with_version(&eix);
ei_x_free(&eix);
ei_x_append(&eix, &eix);
ei_x_append_buf(&eix, charp, intx);
ei_skip_term(charp, intp);
ei_reg_open(intx);
ei_reg_resize(ei_regp, intx);
ei_reg_close(ei_regp);
ei_reg_setival(ei_regp, charp, longx);
ei_reg_setfval(ei_regp, charp, doublex);
ei_reg_setsval(ei_regp, charp, charp);
ei_reg_setpval(ei_regp, charp, voidp, intx);
ei_reg_setval(ei_regp, charp, intx);
ei_reg_getival(ei_regp, charp);
ei_reg_getfval(ei_regp, charp);
ei_reg_getsval(ei_regp, charp);
ei_reg_getpval(ei_regp, charp, intp);
ei_reg_getval(ei_regp, charp, intx);
ei_reg_markdirty(ei_regp, charp);
ei_reg_delete(ei_regp, charp);
ei_reg_stat(ei_regp, charp, ei_reg_statp);
ei_reg_tabstat(ei_regp, ei_reg_tabstatp);
ei_reg_dump(intx, ei_regp, charp, intx);
ei_reg_restore(intx, ei_regp, charp);
ei_reg_purge(ei_regp);
#if defined(HAVE_GMP_H) && defined(HAVE_LIBGMP)
{
mpz_t obj;
ei_decode_bignum(charp, intp, obj);
ei_encode_bignum(charp, intp, obj);
ei_x_encode_bignum(&eix, obj);
}
#endif /* HAVE_GMP_H && HAVE_LIBGMP */
#ifndef VXWORKS
ei_decode_longlong(charp, intp, longlongp);
ei_decode_ulonglong(charp, intp, ulonglongp);
ei_encode_longlong(charp, intp, longlongx);
ei_encode_ulonglong(charp, intp, ulonglongx);
ei_x_encode_longlong(&eix, longlongx);
ei_x_encode_ulonglong(&eix, ulonglongx);
#endif
#ifdef USE_EI_UNDOCUMENTED
ei_decode_intlist(charp, intp, longp, intp);
ei_receive_encoded(intx, &charp, intp, msgp, intp);
ei_send_encoded(intx, pidp, charp, intx);
ei_send_reg_encoded(intx, pidp, charp, charp, intx);
ei_decode_big(charp, intp, bigp);
ei_big_comp(bigp, bigp);
ei_big_to_double(bigp, doublep);
ei_small_to_big(intx, bigp);
ei_alloc_big(intx);
ei_free_big(bigp);
#endif /* USE_EI_UNDOCUMENTED */
return
BUFSIZ +
EAGAIN +
EHOSTUNREACH +
EIO +
EI_BIN +
EI_DELET +
EI_DIRTY +
EI_FLT +
EI_FORCE +
EI_INT +
EI_NOPURGE +
EI_STR +
EMSGSIZE +
ENOMEM +
ERL_ERROR +
ERL_EXIT +
ERL_LINK +
ERL_MSG +
ERL_NO_TIMEOUT +
ERL_REG_SEND +
ERL_SEND +
ERL_TICK +
ERL_TIMEOUT +
ERL_UNLINK +
ETIMEDOUT +
MAXATOMLEN;
}
int ei_encode_atom(char *buf, int *index, const char *p)
{
return ei_encode_atom_len(buf, index, p, strlen(p));
}
//Write the current contents of the values list to disk as a node
//and add the resulting pointer to the pointers list.
int flush_mr(couchfile_modify_result *res)
{
int nbufpos = 0;
long long subtreesize = 0;
eterm_buf reduce_value;
//default reduce value []
reduce_value.buf = "\x6A"; //NIL_EXT
reduce_value.size = 1;
int reduced = 0;
int errcode = 0;
if(res->values_end == res->values || !res->modified)
{
//Empty
return 0;
}
res->node_len += 19; //tuple header and node type tuple, list header and tail
nif_writerq *wrq = nif_writerq_alloc(res->node_len);
char *nodebuf = wrq->buf;
//External term header; tuple header arity 2;
ei_encode_version(nodebuf, &nbufpos);
ei_encode_tuple_header(nodebuf, &nbufpos, 2);
switch(res->node_type)
{
case KV_NODE:
ei_encode_atom_len(nodebuf, &nbufpos, "kv_node", 7);
if(res->rq->reduce)
{
(*res->rq->reduce)(&reduce_value, res->values->next, res->count);
reduced = 1;
}
break;
case KP_NODE:
ei_encode_atom_len(nodebuf, &nbufpos, "kp_node", 7);
if(res->rq->rereduce)
{
(*res->rq->rereduce)(&reduce_value, res->values->next, res->count);
reduced = 1;
}
break;
}
ei_encode_list_header(nodebuf, &nbufpos, res->count);
nodelist* i = res->values->next;
eterm_buf last_key;
while(i != NULL)
{
if(res->node_type == KV_NODE) //writing value in a kv_node
{
append_buf(nodebuf, &nbufpos, i->value.leaf->term.buf, i->value.leaf->term.size);
if(i->next == NULL)
{
int pos = 0;
term_to_buf(&last_key, i->value.leaf->term.buf+2, &pos);
}
}
else if (res->node_type == KP_NODE) //writing value in a kp_node
{
if(wait_pointer(res->rq, i->value.pointer) < 0)
{
errcode = ERROR_WRITER_DEAD;
goto cleanup;
}
subtreesize += i->value.pointer->subtreesize;
ei_encode_tuple_header(nodebuf, &nbufpos, 2); //tuple arity 2
append_buf(nodebuf, &nbufpos, i->value.pointer->key.buf, i->value.pointer->key.size);
ei_encode_tuple_header(nodebuf, &nbufpos, 3); //tuple arity 3
//pointer
// v- between 2 and 10 bytes (ERL_SMALL_INTEGER_EXT to ERL_SMALL_BIG_EXT/8)
ei_encode_ulonglong(nodebuf, &nbufpos, i->value.pointer->pointer);
//reduce_value
append_buf(nodebuf, &nbufpos, i->value.pointer->reduce_value.buf,
i->value.pointer->reduce_value.size);
//subtreesize
// v- between 2 and 10 bytes (ERL_SMALL_INTEGER_EXT to ERL_SMALL_BIG_EXT/8)
ei_encode_ulonglong(nodebuf, &nbufpos, i->value.pointer->subtreesize);
if(i->next == NULL)
{
last_key = i->value.pointer->key;
}
}
i = i->next;
}
//NIL_EXT (list tail)
ei_encode_empty_list(nodebuf, &nbufpos);
couchfile_pointer_info* ptr = malloc(sizeof(couchfile_pointer_info) +
last_key.size + reduce_value.size);
ptr->pointer = 0;
nif_write(res->rq, ptr, wrq, nbufpos);
ptr->key.buf = ((char*)ptr) + sizeof(couchfile_pointer_info);
ptr->reduce_value.buf = ((char*)ptr) + sizeof(couchfile_pointer_info) + last_key.size;
ptr->key.size = last_key.size;
ptr->reduce_value.size = reduce_value.size;
memcpy(ptr->key.buf, last_key.buf, last_key.size);
memcpy(ptr->reduce_value.buf, reduce_value.buf, reduce_value.size);
ptr->subtreesize = subtreesize;
nodelist* pel = make_nodelist();
pel->value.pointer = ptr;
res->pointers_end->next = pel;
res->pointers_end = pel;
res->node_len = 0;
res->count = 0;
res->values_end = res->values;
free_nodelist(res->values->next);
res->values->next = NULL;
cleanup:
if(errcode < 0)
{
enif_release_resource(wrq);
}
if(reduced)
{
free(reduce_value.buf);
}
return errcode;
}
