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-rw-r--r--src/nxt_http_parse.c136
1 files changed, 77 insertions, 59 deletions
diff --git a/src/nxt_http_parse.c b/src/nxt_http_parse.c
index d5a43bd0..21d8f99c 100644
--- a/src/nxt_http_parse.c
+++ b/src/nxt_http_parse.c
@@ -8,20 +8,21 @@
typedef struct {
- nxt_http_fields_hash_entry_t *entry;
+ nxt_http_field_handler_t handler;
+ uintptr_t data;
union {
- uint8_t str[8];
- uint64_t ui64;
+ uint8_t str[8];
+ uint64_t ui64;
} key[];
} nxt_http_fields_hash_elt_t;
struct nxt_http_fields_hash_s {
- size_t min_length;
- size_t max_length;
- void *long_fields;
- nxt_http_fields_hash_elt_t *elts[];
+ size_t min_length;
+ size_t max_length;
+ void *long_fields;
+ nxt_http_fields_hash_elt_t *elts[];
};
@@ -43,9 +44,10 @@ static u_char *nxt_http_lookup_field_end(u_char *p, u_char *end);
static nxt_int_t nxt_http_parse_field_end(nxt_http_request_parse_t *rp,
u_char **pos, u_char *end);
-
-static nxt_http_fields_hash_entry_t *nxt_http_fields_hash_lookup_long(
- nxt_http_fields_hash_t *hash, nxt_http_field_t *field);
+static void nxt_http_fields_hash_lookup(nxt_http_fields_hash_t *hash,
+ uint64_t key[4], nxt_http_field_t *field);
+static void nxt_http_fields_hash_lookup_long(nxt_http_fields_hash_t *hash,
+ nxt_http_field_t *field);
typedef enum {
@@ -426,7 +428,7 @@ nxt_http_parse_field_name(nxt_http_request_parse_t *rp, u_char **pos,
p = *pos;
size = end - p;
- i = rp->field.name.length;
+ i = rp->field_name.length;
#define nxt_http_parse_field_name_step \
{ \
@@ -437,7 +439,7 @@ nxt_http_parse_field_name(nxt_http_request_parse_t *rp, u_char **pos,
goto name_end; \
} \
\
- rp->field.key.str[i % 32] = c; \
+ rp->field_key.str[i % 32] = c; \
i++; \
}
@@ -459,7 +461,7 @@ nxt_http_parse_field_name(nxt_http_request_parse_t *rp, u_char **pos,
#undef nxt_http_parse_field_name_step
- rp->field.name.length = i;
+ rp->field_name.length = i;
rp->handler = &nxt_http_parse_field_name;
return NXT_AGAIN;
@@ -473,8 +475,8 @@ name_end:
*pos = &p[i] + 1;
- rp->field.name.length = i;
- rp->field.name.start = p;
+ rp->field_name.length = i;
+ rp->field_name.start = p;
return nxt_http_parse_field_value(rp, pos, end);
}
@@ -511,13 +513,13 @@ nxt_http_parse_field_value(nxt_http_request_parse_t *rp, u_char **pos,
*pos = p;
- p += rp->field.value.length;
+ p += rp->field_value.length;
for ( ;; ) {
p = nxt_http_lookup_field_end(p, end);
if (nxt_slow_path(p == end)) {
- rp->field.value.length = p - *pos;
+ rp->field_value.length = p - *pos;
rp->handler = &nxt_http_parse_field_value;
return NXT_AGAIN;
}
@@ -539,8 +541,8 @@ nxt_http_parse_field_value(nxt_http_request_parse_t *rp, u_char **pos,
}
}
- rp->field.value.length = p - *pos;
- rp->field.value.start = *pos;
+ rp->field_value.length = p - *pos;
+ rp->field_value.start = *pos;
*pos = p;
@@ -634,16 +636,23 @@ nxt_http_parse_field_end(nxt_http_request_parse_t *rp, u_char **pos,
if (nxt_fast_path(*p == '\n')) {
*pos = p + 1;
- if (rp->field.name.length != 0) {
+ if (rp->field_name.length != 0) {
field = nxt_list_add(rp->fields);
if (nxt_slow_path(field == NULL)) {
return NXT_ERROR;
}
- *field = rp->field;
+ field->name = rp->field_name;
+ field->value = rp->field_value;
+
+ nxt_http_fields_hash_lookup(rp->fields_hash, rp->field_key.ui64,
+ field);
- nxt_memzero(&rp->field, sizeof(nxt_http_field_t));
+ nxt_memzero(rp->field_key.str, 32);
+
+ rp->field_name.length = 0;
+ rp->field_value.length = 0;
rp->handler = &nxt_http_parse_field_name;
return NXT_OK;
@@ -726,7 +735,8 @@ nxt_http_fields_hash_create(nxt_http_fields_hash_entry_t *entries,
continue;
}
- elt->entry = &entries[j];
+ elt->handler = entries[j].handler;
+ elt->data = entries[j].data;
nxt_memcpy_lowcase(elt->key->str, entries[j].name.start, length);
@@ -744,86 +754,87 @@ nxt_http_fields_hash_create(nxt_http_fields_hash_entry_t *entries,
}
-nxt_http_fields_hash_entry_t *
-nxt_http_fields_hash_lookup(nxt_http_fields_hash_t *hash,
+static void
+nxt_http_fields_hash_lookup(nxt_http_fields_hash_t *hash, uint64_t key[4],
nxt_http_field_t *field)
{
nxt_http_fields_hash_elt_t *elt;
- if (field->name.length < hash->min_length) {
- return NULL;
+ if (hash == NULL || field->name.length < hash->min_length) {
+ goto not_found;
}
if (field->name.length > hash->max_length) {
if (field->name.length > 32 && hash->long_fields != NULL) {
- return nxt_http_fields_hash_lookup_long(hash, field);
+ nxt_http_fields_hash_lookup_long(hash, field);
+ return;
}
- return NULL;
+ goto not_found;
}
elt = hash->elts[field->name.length - hash->min_length];
if (elt == NULL) {
- return NULL;
+ goto not_found;
}
switch ((field->name.length + 7) / 8) {
case 1:
do {
- if (elt->key[0].ui64 == field->key.ui64[0]) {
- return elt->entry;
+ if (elt->key[0].ui64 == key[0]) {
+ break;
}
elt = nxt_http_fields_hash_next_elt(elt, 1);
- } while (elt->entry != NULL);
+ } while (elt->handler != NULL);
break;
case 2:
do {
- if (elt->key[0].ui64 == field->key.ui64[0]
- && elt->key[1].ui64 == field->key.ui64[1])
+ if (elt->key[0].ui64 == key[0]
+ && elt->key[1].ui64 == key[1])
{
- return elt->entry;
+ break;
}
elt = nxt_http_fields_hash_next_elt(elt, 2);
- } while (elt->entry != NULL);
+ } while (elt->handler != NULL);
break;
case 3:
do {
- if (elt->key[0].ui64 == field->key.ui64[0]
- && elt->key[1].ui64 == field->key.ui64[1]
- && elt->key[2].ui64 == field->key.ui64[2])
+ if (elt->key[0].ui64 == key[0]
+ && elt->key[1].ui64 == key[1]
+ && elt->key[2].ui64 == key[2])
{
- return elt->entry;
+ break;
}
elt = nxt_http_fields_hash_next_elt(elt, 3);
- } while (elt->entry != NULL);
+ } while (elt->handler != NULL);
break;
case 4:
do {
- if (elt->key[0].ui64 == field->key.ui64[0]
- && elt->key[1].ui64 == field->key.ui64[1]
- && elt->key[2].ui64 == field->key.ui64[2]
- && elt->key[3].ui64 == field->key.ui64[3])
+ if (elt->key[0].ui64 == key[0]
+ && elt->key[1].ui64 == key[1]
+ && elt->key[2].ui64 == key[2]
+ && elt->key[3].ui64 == key[3])
{
- return elt->entry;
+ break;
}
elt = nxt_http_fields_hash_next_elt(elt, 4);
- } while (elt->entry != NULL);
+ } while (elt->handler != NULL);
break;
@@ -831,32 +842,39 @@ nxt_http_fields_hash_lookup(nxt_http_fields_hash_t *hash,
nxt_unreachable();
}
- return NULL;
+ field->handler = elt->handler;
+ field->data = elt->data;
+
+ return;
+
+not_found:
+
+ field->handler = NULL;
+ field->data = 0;
}
-static nxt_http_fields_hash_entry_t *
+static void
nxt_http_fields_hash_lookup_long(nxt_http_fields_hash_t *hash,
nxt_http_field_t *field)
{
/* TODO */
- return NULL;
+
+ field->handler = NULL;
+ field->data = 0;
}
nxt_int_t
-nxt_http_fields_process(nxt_list_t *fields, nxt_http_fields_hash_t *hash,
- void *ctx, nxt_log_t *log)
+nxt_http_fields_process(nxt_list_t *fields, void *ctx, nxt_log_t *log)
{
- nxt_int_t rc;
- nxt_http_field_t *field;
- nxt_http_fields_hash_entry_t *entry;
+ nxt_int_t rc;
+ nxt_http_field_t *field;
nxt_list_each(field, fields) {
- entry = nxt_http_fields_hash_lookup(hash, field);
- if (entry != NULL) {
- rc = entry->handler(ctx, field, entry->data, log);
+ if (field->handler != NULL) {
+ rc = field->handler(ctx, field, log);
if (rc != NXT_OK) {
return rc;