diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_chunked_filter_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_chunked_filter_module.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_chunked_filter_module.c b/app/nginx/src/http/modules/ngx_http_chunked_filter_module.c deleted file mode 100644 index ac2e3e8..0000000 --- a/app/nginx/src/http/modules/ngx_http_chunked_filter_module.c +++ /dev/null @@ -1,243 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_chain_t *free; - ngx_chain_t *busy; -} ngx_http_chunked_filter_ctx_t; - - -static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf); - - -static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_chunked_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_chunked_filter_module = { - NGX_MODULE_V1, - &ngx_http_chunked_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_chunked_header_filter(ngx_http_request_t *r) -{ - ngx_http_core_loc_conf_t *clcf; - ngx_http_chunked_filter_ctx_t *ctx; - - if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED - || r->headers_out.status == NGX_HTTP_NO_CONTENT - || r->headers_out.status < NGX_HTTP_OK - || r != r->main - || r->method == NGX_HTTP_HEAD) - { - return ngx_http_next_header_filter(r); - } - - if (r->headers_out.content_length_n == -1) { - if (r->http_version < NGX_HTTP_VERSION_11) { - r->keepalive = 0; - - } else { - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->chunked_transfer_encoding) { - r->chunked = 1; - - ctx = ngx_pcalloc(r->pool, - sizeof(ngx_http_chunked_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_chunked_filter_module); - - } else { - r->keepalive = 0; - } - } - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - u_char *chunk; - off_t size; - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t *out, *cl, *tl, **ll; - ngx_http_chunked_filter_ctx_t *ctx; - - if (in == NULL || !r->chunked || r->header_only) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_chunked_filter_module); - - out = NULL; - ll = &out; - - size = 0; - cl = in; - - for ( ;; ) { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http chunk: %O", ngx_buf_size(cl->buf)); - - size += ngx_buf_size(cl->buf); - - if (cl->buf->flush - || cl->buf->sync - || ngx_buf_in_memory(cl->buf) - || cl->buf->in_file) - { - tl = ngx_alloc_chain_link(r->pool); - if (tl == NULL) { - return NGX_ERROR; - } - - tl->buf = cl->buf; - *ll = tl; - ll = &tl->next; - } - - if (cl->next == NULL) { - break; - } - - cl = cl->next; - } - - if (size) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - chunk = b->start; - - if (chunk == NULL) { - /* the "0000000000000000" is 64-bit hexadecimal string */ - - chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); - if (chunk == NULL) { - return NGX_ERROR; - } - - b->start = chunk; - b->end = chunk + sizeof("0000000000000000" CRLF) - 1; - } - - b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; - b->memory = 0; - b->temporary = 1; - b->pos = chunk; - b->last = ngx_sprintf(chunk, "%xO" CRLF, size); - - tl->next = out; - out = tl; - } - - if (cl->buf->last_buf) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; - b->temporary = 0; - b->memory = 1; - b->last_buf = 1; - b->pos = (u_char *) CRLF "0" CRLF CRLF; - b->last = b->pos + 7; - - cl->buf->last_buf = 0; - - *ll = tl; - - if (size == 0) { - b->pos += 2; - } - - } else if (size > 0) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; - b->temporary = 0; - b->memory = 1; - b->pos = (u_char *) CRLF; - b->last = b->pos + 2; - - *ll = tl; - - } else { - *ll = NULL; - } - - rc = ngx_http_next_body_filter(r, out); - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, - (ngx_buf_tag_t) &ngx_http_chunked_filter_module); - - return rc; -} - - -static ngx_int_t -ngx_http_chunked_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_chunked_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_chunked_body_filter; - - return NGX_OK; -} |