From bf8c01bfcd015d43cfbcb893e48c6a83a95c91ec Mon Sep 17 00:00:00 2001 From: Ben Magistro Date: Sun, 17 Apr 2022 09:45:02 -0400 Subject: Drop nginx Nginx is not part of the core library being developed and needs to be moved to its own repository to allow it to be more easily maintained. Signed-off-by: Ben Magistro Change-Id: I5639e84ba0564ccd49ffcffa7ec9fcd57827bd6d --- .../src/stream/ngx_stream_write_filter_module.c | 273 --------------------- 1 file changed, 273 deletions(-) delete mode 100644 app/nginx/src/stream/ngx_stream_write_filter_module.c (limited to 'app/nginx/src/stream/ngx_stream_write_filter_module.c') diff --git a/app/nginx/src/stream/ngx_stream_write_filter_module.c b/app/nginx/src/stream/ngx_stream_write_filter_module.c deleted file mode 100644 index 8fdcd37..0000000 --- a/app/nginx/src/stream/ngx_stream_write_filter_module.c +++ /dev/null @@ -1,273 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include -#include -#include - - -typedef struct { - ngx_chain_t *from_upstream; - ngx_chain_t *from_downstream; -} ngx_stream_write_filter_ctx_t; - - -static ngx_int_t ngx_stream_write_filter(ngx_stream_session_t *s, - ngx_chain_t *in, ngx_uint_t from_upstream); -static ngx_int_t ngx_stream_write_filter_init(ngx_conf_t *cf); - - -static ngx_stream_module_t ngx_stream_write_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_stream_write_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL /* merge server configuration */ -}; - - -ngx_module_t ngx_stream_write_filter_module = { - NGX_MODULE_V1, - &ngx_stream_write_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_STREAM_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_int_t -ngx_stream_write_filter(ngx_stream_session_t *s, ngx_chain_t *in, - ngx_uint_t from_upstream) -{ - off_t size; - ngx_uint_t last, flush, sync; - ngx_chain_t *cl, *ln, **ll, **out, *chain; - ngx_connection_t *c; - ngx_stream_write_filter_ctx_t *ctx; - - ctx = ngx_stream_get_module_ctx(s, ngx_stream_write_filter_module); - - if (ctx == NULL) { - ctx = ngx_pcalloc(s->connection->pool, - sizeof(ngx_stream_write_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_stream_set_ctx(s, ctx, ngx_stream_write_filter_module); - } - - if (from_upstream) { - c = s->connection; - out = &ctx->from_upstream; - - } else { - c = s->upstream->peer.connection; - out = &ctx->from_downstream; - } - - if (c->error) { - return NGX_ERROR; - } - - size = 0; - flush = 0; - sync = 0; - last = 0; - ll = out; - - /* find the size, the flush point and the last link of the saved chain */ - - for (cl = *out; cl; cl = cl->next) { - ll = &cl->next; - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, - "write old buf t:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - cl->buf->temporary, cl->buf->in_file, - cl->buf->start, cl->buf->pos, - cl->buf->last - cl->buf->pos, - cl->buf->file_pos, - cl->buf->file_last - cl->buf->file_pos); - -#if 1 - if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "zero size buf in writer " - "t:%d r:%d f:%d %p %p-%p %p %O-%O", - cl->buf->temporary, - cl->buf->recycled, - cl->buf->in_file, - cl->buf->start, - cl->buf->pos, - cl->buf->last, - cl->buf->file, - cl->buf->file_pos, - cl->buf->file_last); - - ngx_debug_point(); - return NGX_ERROR; - } -#endif - - size += ngx_buf_size(cl->buf); - - if (cl->buf->flush || cl->buf->recycled) { - flush = 1; - } - - if (cl->buf->sync) { - sync = 1; - } - - if (cl->buf->last_buf) { - last = 1; - } - } - - /* add the new chain to the existent one */ - - for (ln = in; ln; ln = ln->next) { - cl = ngx_alloc_chain_link(c->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = ln->buf; - *ll = cl; - ll = &cl->next; - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, - "write new buf t:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - cl->buf->temporary, cl->buf->in_file, - cl->buf->start, cl->buf->pos, - cl->buf->last - cl->buf->pos, - cl->buf->file_pos, - cl->buf->file_last - cl->buf->file_pos); - -#if 1 - if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "zero size buf in writer " - "t:%d r:%d f:%d %p %p-%p %p %O-%O", - cl->buf->temporary, - cl->buf->recycled, - cl->buf->in_file, - cl->buf->start, - cl->buf->pos, - cl->buf->last, - cl->buf->file, - cl->buf->file_pos, - cl->buf->file_last); - - ngx_debug_point(); - return NGX_ERROR; - } -#endif - - size += ngx_buf_size(cl->buf); - - if (cl->buf->flush || cl->buf->recycled) { - flush = 1; - } - - if (cl->buf->sync) { - sync = 1; - } - - if (cl->buf->last_buf) { - last = 1; - } - } - - *ll = NULL; - - ngx_log_debug3(NGX_LOG_DEBUG_STREAM, c->log, 0, - "stream write filter: l:%ui f:%ui s:%O", last, flush, size); - - if (size == 0 - && !(c->buffered & NGX_LOWLEVEL_BUFFERED) - && !(last && c->need_last_buf)) - { - if (last || flush || sync) { - for (cl = *out; cl; /* void */) { - ln = cl; - cl = cl->next; - ngx_free_chain(c->pool, ln); - } - - *out = NULL; - c->buffered &= ~NGX_STREAM_WRITE_BUFFERED; - - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "the stream output chain is empty"); - - ngx_debug_point(); - - return NGX_ERROR; - } - - chain = c->send_chain(c, *out, 0); - - ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0, - "stream write filter %p", chain); - - if (chain == NGX_CHAIN_ERROR) { - c->error = 1; - return NGX_ERROR; - } - - for (cl = *out; cl && cl != chain; /* void */) { - ln = cl; - cl = cl->next; - ngx_free_chain(c->pool, ln); - } - - *out = chain; - - if (chain) { - if (c->shared) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "shared connection is busy"); - return NGX_ERROR; - } - - c->buffered |= NGX_STREAM_WRITE_BUFFERED; - return NGX_AGAIN; - } - - c->buffered &= ~NGX_STREAM_WRITE_BUFFERED; - - if (c->buffered & NGX_LOWLEVEL_BUFFERED) { - return NGX_AGAIN; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_stream_write_filter_init(ngx_conf_t *cf) -{ - ngx_stream_top_filter = ngx_stream_write_filter; - - return NGX_OK; -} -- cgit 1.2.3-korg