Mercurial > hg > nginx-quic
view src/http/ngx_http_copy_filter.c @ 342:0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 26 May 2004 19:33:53 +0000 |
parents | af451db3fe99 |
children | 6bdf858bff8c |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> typedef struct { ngx_bufs_t bufs; } ngx_http_copy_filter_conf_t; static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf); static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child); static ngx_int_t ngx_http_copy_filter_init(ngx_cycle_t *cycle); static ngx_command_t ngx_http_copy_filter_commands[] = { {ngx_string("output_buffers"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, ngx_conf_set_bufs_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_copy_filter_conf_t, bufs), NULL}, ngx_null_command }; static ngx_http_module_t ngx_http_copy_filter_module_ctx = { NULL, /* pre conf */ NULL, /* create main configuration */ NULL, /* init main configuration */ NULL, /* create server configuration */ NULL, /* merge server configuration */ ngx_http_copy_filter_create_conf, /* create location configuration */ ngx_http_copy_filter_merge_conf /* merge location configuration */ }; ngx_module_t ngx_http_copy_filter_module = { NGX_MODULE, &ngx_http_copy_filter_module_ctx, /* module context */ ngx_http_copy_filter_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ ngx_http_copy_filter_init, /* init module */ NULL /* init process */ }; static ngx_http_output_body_filter_pt ngx_http_next_filter; ngx_int_t ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in) { ngx_output_chain_ctx_t *ctx; ngx_http_copy_filter_conf_t *conf; if (r->connection->write->error) { return NGX_ERROR; } ctx = ngx_http_get_module_ctx(r->main ? r->main : r, ngx_http_copy_filter_module); if (ctx == NULL) { conf = ngx_http_get_module_loc_conf(r->main ? r->main : r, ngx_http_copy_filter_module); ngx_http_create_ctx(r, ctx, ngx_http_copy_filter_module, sizeof(ngx_output_chain_ctx_t), NGX_ERROR); ctx->sendfile = r->sendfile; ctx->need_in_memory = r->filter & NGX_HTTP_FILTER_NEED_IN_MEMORY; ctx->need_in_temp = r->filter & NGX_HTTP_FILTER_NEED_TEMP; ctx->pool = r->pool; ctx->bufs = conf->bufs; ctx->tag = (ngx_hunk_tag_t) &ngx_http_copy_filter_module; ctx->output_filter = (ngx_output_chain_filter_pt) ngx_http_next_filter; ctx->filter_ctx = r; } return ngx_output_chain(ctx, in); } static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf) { ngx_http_copy_filter_conf_t *conf; ngx_test_null(conf, ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t)), NULL); conf->bufs.num = 0; return conf; } static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_copy_filter_conf_t *prev = parent; ngx_http_copy_filter_conf_t *conf = child; ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 1, 32768); return NULL; } static ngx_int_t ngx_http_copy_filter_init(ngx_cycle_t *cycle) { ngx_http_next_filter = ngx_http_top_body_filter; ngx_http_top_body_filter = ngx_http_copy_filter; return NGX_OK; }