Mercurial > hg > nginx-quic
view src/http/ngx_http_request_body.c @ 82:fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 25 Apr 2003 14:43:13 +0000 |
parents | |
children | a7e45c45a95c |
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int ngx_http_start_read_client_body(ngx_http_proxy_ctx_t *p) { int first_part, size; ngx_hunk_t *h; ngx_http_request_t *r; r = p->request; first_part = r->header_in->last - r->header_in->pos; if (first_part > r->headers_in.content_length_n) { first_part = r->headers_in.content_length_n; size = 0; } else { size = r->headers_in.content_length_n - first_part; if (size > p->lcf->client_request_buffer_size) { size = p->lcf->client_request_buffer_size; } else if (size > NGX_PAGE_SIZE) { size = ((size + NGX_PAGE_SIZE) / NGX_PAGE_SIZE) * NGX_PAGE_SIZE; } if (size) { ngx_test_null(p->client_request_hunk, ngx_palloc(r->pool, size), NGX_ERROR); } } if (first_part) { ngx_test_null(h, ngx_alloc_hunk(r->pool), NGX_ERROR); h->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP; h->pos = h->start = h->pre_start = r->header_in->pos; h->last = h->end = h->post_end = r->header_in->pos + first_part; h->file_pos = h->file_last = 0; h->file = NULL; h->shadow = NULL; h->tag = 0; p->client_first_part_hunk = h; } return NGX_OK; } int ngx_http_read_client_body(ngx_event_t *rev) { do { if (r->header_in->last < r->header_in->end) { rb->chain[0].hunk = r->header_in; if (rb->hunk) { rb->chain[0].next = &rb->chain[1]; rb->chain[1].hunk = rb->hunk; rb->chain[1].next = NULL; } else { rb->chain[0].next = NULL; } } else { rb->chain[0].hunk = rb->hunk; rb->chain[0].next = NULL; } n = ngx_recv_chain(c, &rb->chain); if (n == NGX_ERROR) { return NGX_ERROR; } if (n == NGX_AGAIN) { return NGX_AGAIN; } for (entry = &rb->chain; entry; entry = entry->next) { size = entry->hunk->end - entry->hunk->last; if (n >= size) { n -= size; entry->hunk->last = entry->hunk->end; continue; } entry->hunk->last += n; break; } if (rb->hunk && rb->hunk->last == rb->hunk->end) { if (rb->temp_file->fd == NGX_INVALID_FILE) { rc = ngx_create_temp_file(rb->temp_file, rb->temp_path, r->pool, rb->number, rb->random, 0); if (rc == NGX_ERROR) { return NGX_ERROR; } if (rc == NGX_AGAIN) { return NGX_AGAIN; } } n = ngx_write_file(rb->temp_file, rb->hunk, rb->hunk->last - rb->hunk->pos, rb->offset); if (rc == NGX_ERROR) { return NGX_ERROR; } rb->offset += n; rb->hunk->last = rb->hunk->pos; } } while (rev->ready); return NGX_OK; } int ngx_init_client_request_body_chain(ngx_http_reuqest_t *r) { int i; ngx_hunk_t *h; ngx_http_request_body_t *rb; rb = r->request_body; rb->chain[0].hunk = rb->header_out; i = 0; if (r->header_in->pos < r->header_in->last) { rb->chain[i].next = &rb->chain[i + 1]; i++; rb->chain[i].hunk = r->header_in; } if (rb->temp_file->fd != NGX_INVALID_FILE) { if (rb->file_hunk == NULL) { ngx_test_null(h, ngx_alloc_hunk(r->pool), NGX_ERROR); h->type = NGX_HUNK_FILE; h->pos = h->start = h->pre_start = 0; h->last = h->end = h->post_end = 0; h->file_pos = 0; h->file_last = rb->offset; h->file = rb->temp_file; h->shadow = NULL; h->tag = 0; rb->file_hunk = h; } rb->chain[i].next = &rb->chain[i + 1]; i++; rb->chain[i].hunk = rb->file_hunk; } if (rb->hunk && rb->hunk->pos < rb->hunk->last) { rb->chain[i].next = &rb->chain[i + 1]; i++; rb->chain[i].hunk = h; } rb->chain[i].next = NULL; return NGX_OK; } int ngx_reinit_client_request_body_hunks(ngx_http_reuqest_t *r) { ngx_http_request_body_t *rb; rb = r->request_body; if (rb->header_in_pos) { r->header_in->pos = rb->header_in_pos; } if (rb->file_hunk) { rb->file_hunk->file_pos = rb->file_hunk->file_start; } if (rb->hunk) { rb->hunk->pos = rb->hunk->start; } }