diff options
Diffstat (limited to '')
-rw-r--r-- | src/nxt_http_parse.c | 136 |
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; |