mirror of
https://github.com/nginx/nginx.git
synced 2024-12-17 06:57:47 +08:00
965 lines
24 KiB
C
965 lines
24 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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#include <nginx.h>
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typedef struct ngx_http_log_op_s ngx_http_log_op_t;
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typedef u_char *(*ngx_http_log_op_run_pt) (ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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typedef size_t (*ngx_http_log_op_getlen_pt) (ngx_http_request_t *r,
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uintptr_t data);
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struct ngx_http_log_op_s {
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size_t len;
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ngx_http_log_op_getlen_pt getlen;
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ngx_http_log_op_run_pt run;
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uintptr_t data;
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};
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typedef struct {
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ngx_str_t name;
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ngx_array_t *ops; /* array of ngx_http_log_op_t */
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} ngx_http_log_fmt_t;
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typedef struct {
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ngx_array_t formats; /* array of ngx_http_log_fmt_t */
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ngx_uint_t combined_used; /* unsigned combined_used:1 */
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} ngx_http_log_main_conf_t;
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typedef struct {
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ngx_open_file_t *file;
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time_t disk_full_time;
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time_t error_log_time;
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ngx_array_t *ops; /* array of ngx_http_log_op_t */
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} ngx_http_log_t;
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typedef struct {
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ngx_array_t *logs; /* array of ngx_http_log_t */
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ngx_uint_t off; /* unsigned off:1 */
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} ngx_http_log_loc_conf_t;
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typedef struct {
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ngx_str_t name;
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size_t len;
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ngx_http_log_op_run_pt run;
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} ngx_http_log_var_t;
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static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log,
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u_char *buf, size_t len);
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static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r,
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u_char *buf, ngx_http_log_op_t *op);
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static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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ngx_http_log_op_t *op, ngx_str_t *value);
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static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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uintptr_t data);
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static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op);
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static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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void *child);
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static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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static ngx_command_t ngx_http_log_commands[] = {
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{ ngx_string("log_format"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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ngx_http_log_set_format,
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NGX_HTTP_MAIN_CONF_OFFSET,
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0,
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NULL },
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{ ngx_string("access_log"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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|NGX_CONF_TAKE123,
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ngx_http_log_set_log,
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NGX_HTTP_LOC_CONF_OFFSET,
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0,
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NULL },
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ngx_null_command
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};
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static ngx_http_module_t ngx_http_log_module_ctx = {
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NULL, /* preconfiguration */
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ngx_http_log_init, /* postconfiguration */
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ngx_http_log_create_main_conf, /* create main configuration */
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NULL, /* init main configuration */
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NULL, /* create server configuration */
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NULL, /* merge server configuration */
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ngx_http_log_create_loc_conf, /* create location configration */
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ngx_http_log_merge_loc_conf /* merge location configration */
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};
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ngx_module_t ngx_http_log_module = {
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NGX_MODULE_V1,
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&ngx_http_log_module_ctx, /* module context */
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ngx_http_log_commands, /* module directives */
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NGX_HTTP_MODULE, /* module type */
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NULL, /* init master */
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NULL, /* init module */
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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};
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static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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static ngx_str_t ngx_http_combined_fmt =
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ngx_string("$remote_addr - $remote_user [$time_local] "
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"\"$request\" $status $body_bytes_sent "
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"\"$http_referer\" \"$http_user_agent\"");
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static ngx_http_log_var_t ngx_http_log_vars[] = {
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{ ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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{ ngx_string("pipe"), 1, ngx_http_log_pipe },
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{ ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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ngx_http_log_time },
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{ ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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{ ngx_string("request_time"), NGX_TIME_T_LEN + 4,
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ngx_http_log_request_time },
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{ ngx_string("status"), 3, ngx_http_log_status },
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{ ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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{ ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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ngx_http_log_body_bytes_sent },
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{ ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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ngx_http_log_body_bytes_sent },
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{ ngx_string("request_length"), NGX_SIZE_T_LEN,
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ngx_http_log_request_length },
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{ ngx_null_string, 0, NULL }
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};
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ngx_int_t
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ngx_http_log_handler(ngx_http_request_t *r)
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{
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u_char *line, *p;
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size_t len;
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ngx_uint_t i, l;
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ngx_http_log_t *log;
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ngx_open_file_t *file;
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ngx_http_log_op_t *op;
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ngx_http_log_loc_conf_t *lcf;
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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"http log handler");
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lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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if (lcf->off) {
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return NGX_OK;
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}
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log = lcf->logs->elts;
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for (l = 0; l < lcf->logs->nelts; l++) {
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if (ngx_time() == log[l].disk_full_time) {
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/*
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* on FreeBSD writing to a full filesystem with enabled softupdates
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* may block process for much longer time than writing to non-full
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* filesystem, so we skip writing to a log for one second
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*/
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continue;
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}
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len = 0;
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op = log[l].ops->elts;
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for (i = 0; i < log[l].ops->nelts; i++) {
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if (op[i].len == 0) {
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len += op[i].getlen(r, op[i].data);
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} else {
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len += op[i].len;
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}
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}
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len += NGX_LINEFEED_SIZE;
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file = log[l].file;
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if (file->buffer) {
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if (len > (size_t) (file->last - file->pos)) {
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ngx_http_log_write(r, &log[l], file->buffer,
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file->pos - file->buffer);
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file->pos = file->buffer;
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}
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if (len <= (size_t) (file->last - file->pos)) {
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p = file->pos;
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for (i = 0; i < log[l].ops->nelts; i++) {
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p = op[i].run(r, p, &op[i]);
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}
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ngx_linefeed(p);
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file->pos = p;
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continue;
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}
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}
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line = ngx_palloc(r->pool, len);
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if (line == NULL) {
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return NGX_ERROR;
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}
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p = line;
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for (i = 0; i < log[l].ops->nelts; i++) {
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p = op[i].run(r, p, &op[i]);
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}
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ngx_linefeed(p);
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ngx_http_log_write(r, &log[l], line, p - line);
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}
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return NGX_OK;
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}
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static void
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ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf,
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size_t len)
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{
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time_t now;
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ssize_t n;
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ngx_err_t err;
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n = ngx_write_fd(log->file->fd, buf, len);
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if (n == (ssize_t) len) {
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return;
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}
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now = ngx_time();
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if (n == -1) {
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err = ngx_errno;
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if (err == NGX_ENOSPC) {
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log->disk_full_time = now;
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}
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if (now - log->error_log_time > 59) {
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ngx_log_error(NGX_LOG_ALERT, r->connection->log, err,
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ngx_write_fd_n " to \"%V\" failed",
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&log->file->name);
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log->error_log_time = now;
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}
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return;
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}
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if (now - log->error_log_time > 59) {
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ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
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ngx_write_fd_n " to \"%V\" was incomplete: %z of %uz",
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&log->file->name, n, len);
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log->error_log_time = now;
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}
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}
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static u_char *
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ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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size_t len;
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uintptr_t data;
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len = op->len;
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data = op->data;
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while (len--) {
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*buf++ = (u_char) (data & 0xff);
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data >>= 8;
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}
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return buf;
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}
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static u_char *
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ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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return ngx_cpymem(buf, (u_char *) op->data, op->len);
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}
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static u_char *
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ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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return ngx_sprintf(buf, "%ui", r->connection->number);
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}
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static u_char *
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ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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{
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if (r->pipeline) {
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*buf = 'p';
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} else {
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*buf = '.';
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}
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return buf + 1;
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}
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static u_char *
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ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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{
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return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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ngx_cached_http_log_time.len);
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}
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static u_char *
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ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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{
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ngx_time_t *tp;
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tp = ngx_timeofday();
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return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
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}
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static u_char *
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ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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ngx_time_t *tp;
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ngx_msec_int_t ms;
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tp = ngx_timeofday();
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ms = (tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec);
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ms = (ms >= 0) ? ms : 0;
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return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000);
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}
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static u_char *
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ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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{
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return ngx_sprintf(buf, "%ui",
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r->err_status ? r->err_status : r->headers_out.status);
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}
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static u_char *
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ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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return ngx_sprintf(buf, "%O", r->connection->sent);
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}
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/*
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* although there is a real $body_bytes_sent variable,
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* this log operation code function is more optimized for logging
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*/
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static u_char *
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ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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off_t length;
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length = r->connection->sent - r->header_size;
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if (length > 0) {
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return ngx_sprintf(buf, "%O", length);
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}
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*buf = '0';
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return buf + 1;
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}
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static u_char *
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ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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ngx_http_log_op_t *op)
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{
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return ngx_sprintf(buf, "%O", r->request_length);
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}
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static ngx_int_t
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ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
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ngx_str_t *value)
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{
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ngx_int_t index;
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index = ngx_http_get_variable_index(cf, value);
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if (index == NGX_ERROR) {
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return NGX_ERROR;
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}
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op->len = 0;
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op->getlen = ngx_http_log_variable_getlen;
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op->run = ngx_http_log_variable;
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op->data = index;
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return NGX_OK;
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}
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static size_t
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ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
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{
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ngx_http_variable_value_t *value;
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value = ngx_http_get_indexed_variable(r, data);
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if (value == NULL || value->not_found) {
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return 1;
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}
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return value->len;
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}
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static u_char *
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ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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{
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ngx_http_variable_value_t *value;
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value = ngx_http_get_indexed_variable(r, op->data);
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if (value == NULL || value->not_found) {
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*buf = '-';
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return buf + 1;
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}
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return ngx_cpymem(buf, value->data, value->len);
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}
|
|
|
|
|
|
static void *
|
|
ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
{
|
|
ngx_http_log_main_conf_t *conf;
|
|
|
|
ngx_http_log_fmt_t *fmt;
|
|
|
|
conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
if (conf == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
!= NGX_OK)
|
|
{
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
fmt = ngx_array_push(&conf->formats);
|
|
if (fmt == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
fmt->name.len = sizeof("combined") - 1;
|
|
fmt->name.data = (u_char *) "combined";
|
|
|
|
fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
if (fmt->ops == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
return conf;
|
|
}
|
|
|
|
|
|
static void *
|
|
ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
{
|
|
ngx_http_log_loc_conf_t *conf;
|
|
|
|
conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
if (conf == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
return conf;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
{
|
|
ngx_http_log_loc_conf_t *prev = parent;
|
|
ngx_http_log_loc_conf_t *conf = child;
|
|
|
|
ngx_http_log_t *log;
|
|
ngx_http_log_fmt_t *fmt;
|
|
ngx_http_log_main_conf_t *lmcf;
|
|
|
|
if (conf->logs || conf->off) {
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
*conf = *prev;
|
|
|
|
if (conf->logs || conf->off) {
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
if (conf->logs == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log = ngx_array_push(conf->logs);
|
|
if (log == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log);
|
|
if (log->file == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log->disk_full_time = 0;
|
|
log->error_log_time = 0;
|
|
|
|
lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
fmt = lmcf->formats.elts;
|
|
|
|
/* the default "combined" format */
|
|
log->ops = fmt[0].ops;
|
|
lmcf->combined_used = 1;
|
|
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
{
|
|
ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
|
ssize_t buf;
|
|
ngx_uint_t i;
|
|
ngx_str_t *value, name;
|
|
ngx_http_log_t *log;
|
|
ngx_http_log_fmt_t *fmt;
|
|
ngx_http_log_main_conf_t *lmcf;
|
|
|
|
value = cf->args->elts;
|
|
|
|
if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
llcf->off = 1;
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
if (llcf->logs == NULL) {
|
|
llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
if (llcf->logs == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
}
|
|
|
|
lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
|
log = ngx_array_push(llcf->logs);
|
|
if (log == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
if (log->file == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log->disk_full_time = 0;
|
|
log->error_log_time = 0;
|
|
|
|
if (cf->args->nelts >= 3) {
|
|
name = value[2];
|
|
|
|
if (ngx_strcmp(name.data, "combined") == 0) {
|
|
lmcf->combined_used = 1;
|
|
}
|
|
|
|
} else {
|
|
name.len = sizeof("combined") - 1;
|
|
name.data = (u_char *) "combined";
|
|
lmcf->combined_used = 1;
|
|
}
|
|
|
|
fmt = lmcf->formats.elts;
|
|
for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
if (fmt[i].name.len == name.len
|
|
&& ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
{
|
|
log->ops = fmt[i].ops;
|
|
goto buffer;
|
|
}
|
|
}
|
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"unknown log format \"%V\"", &name);
|
|
return NGX_CONF_ERROR;
|
|
|
|
buffer:
|
|
|
|
if (cf->args->nelts == 4) {
|
|
if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"invalid parameter \"%V\"", &value[3]);
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
name.len = value[3].len - 7;
|
|
name.data = value[3].data + 7;
|
|
|
|
buf = ngx_parse_size(&name);
|
|
|
|
if (buf == NGX_ERROR) {
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"invalid parameter \"%V\"", &value[3]);
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"access_log \"%V\" already defined "
|
|
"with different buffer size", &value[1]);
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
if (log->file->buffer == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
log->file->pos = log->file->buffer;
|
|
log->file->last = log->file->buffer + buf;
|
|
}
|
|
|
|
return NGX_CONF_OK;
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
{
|
|
ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
|
ngx_str_t *value;
|
|
ngx_uint_t i;
|
|
ngx_http_log_fmt_t *fmt;
|
|
|
|
value = cf->args->elts;
|
|
|
|
fmt = lmcf->formats.elts;
|
|
for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
if (fmt[i].name.len == value[1].len
|
|
&& ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
{
|
|
return "duplicate \"log_format\" name";
|
|
}
|
|
}
|
|
|
|
fmt = ngx_array_push(&lmcf->formats);
|
|
if (fmt == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
fmt->name = value[1];
|
|
|
|
fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
if (fmt->ops == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
}
|
|
|
|
|
|
static char *
|
|
ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
ngx_array_t *args, ngx_uint_t s)
|
|
{
|
|
u_char *data, *p, ch;
|
|
size_t i, len;
|
|
ngx_str_t *value, var;
|
|
ngx_uint_t bracket;
|
|
ngx_http_log_op_t *op;
|
|
ngx_http_log_var_t *v;
|
|
|
|
value = args->elts;
|
|
|
|
for ( /* void */ ; s < args->nelts; s++) {
|
|
|
|
for (i = 0; i < value[s].len; i++) {
|
|
if (value[s].data[i] != '%') {
|
|
continue;
|
|
}
|
|
|
|
ch = value[s].data[i + 1];
|
|
|
|
if ((ch >= 'A' && ch <= 'Z')
|
|
|| (ch >= 'a' && ch <= 'z')
|
|
|| ch == '{')
|
|
{
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"the parameters in the \"%%name\" form are not supported, "
|
|
"use the \"$variable\" instead");
|
|
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
}
|
|
|
|
i = 0;
|
|
|
|
while (i < value[s].len) {
|
|
|
|
op = ngx_array_push(ops);
|
|
if (op == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
data = &value[s].data[i];
|
|
|
|
if (value[s].data[i] == '$') {
|
|
|
|
if (++i == value[s].len) {
|
|
goto invalid;
|
|
}
|
|
|
|
if (value[s].data[i] == '{') {
|
|
bracket = 1;
|
|
|
|
if (++i == value[s].len) {
|
|
goto invalid;
|
|
}
|
|
|
|
var.data = &value[s].data[i];
|
|
|
|
} else {
|
|
bracket = 0;
|
|
var.data = &value[s].data[i];
|
|
}
|
|
|
|
for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
ch = value[s].data[i];
|
|
|
|
if (ch == '}' && bracket) {
|
|
i++;
|
|
bracket = 0;
|
|
break;
|
|
}
|
|
|
|
if ((ch >= 'A' && ch <= 'Z')
|
|
|| (ch >= 'a' && ch <= 'z')
|
|
|| (ch >= '0' && ch <= '9')
|
|
|| ch == '_')
|
|
{
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if (bracket) {
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
"the closing bracket in \"%V\" "
|
|
"variable is missing", &var);
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
if (var.len == 0) {
|
|
goto invalid;
|
|
}
|
|
|
|
if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
"use \"$body_bytes_sent\" instead of "
|
|
"\"$apache_bytes_sent\"");
|
|
}
|
|
|
|
for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
|
if (v->name.len == var.len
|
|
&& ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
{
|
|
op->len = v->len;
|
|
op->getlen = NULL;
|
|
op->run = v->run;
|
|
op->data = 0;
|
|
|
|
goto found;
|
|
}
|
|
}
|
|
|
|
if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
found:
|
|
|
|
continue;
|
|
}
|
|
|
|
i++;
|
|
|
|
while (i < value[s].len && value[s].data[i] != '$') {
|
|
i++;
|
|
}
|
|
|
|
len = &value[s].data[i] - data;
|
|
|
|
if (len) {
|
|
|
|
op->len = len;
|
|
op->getlen = NULL;
|
|
|
|
if (len <= sizeof(uintptr_t)) {
|
|
op->run = ngx_http_log_copy_short;
|
|
op->data = 0;
|
|
|
|
while (len--) {
|
|
op->data <<= 8;
|
|
op->data |= data[len];
|
|
}
|
|
|
|
} else {
|
|
op->run = ngx_http_log_copy_long;
|
|
|
|
p = ngx_palloc(cf->pool, len);
|
|
if (p == NULL) {
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
ngx_memcpy(p, data, len);
|
|
op->data = (uintptr_t) p;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NGX_CONF_OK;
|
|
|
|
invalid:
|
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
|
return NGX_CONF_ERROR;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_log_init(ngx_conf_t *cf)
|
|
{
|
|
ngx_str_t *value;
|
|
ngx_array_t a;
|
|
ngx_http_handler_pt *h;
|
|
ngx_http_log_fmt_t *fmt;
|
|
ngx_http_log_main_conf_t *lmcf;
|
|
ngx_http_core_main_conf_t *cmcf;
|
|
|
|
lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
|
if (lmcf->combined_used) {
|
|
if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
value = ngx_array_push(&a);
|
|
if (value == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
*value = ngx_http_combined_fmt;
|
|
fmt = lmcf->formats.elts;
|
|
|
|
if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
!= NGX_CONF_OK)
|
|
{
|
|
return NGX_ERROR;
|
|
}
|
|
}
|
|
|
|
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
|
h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers);
|
|
if (h == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
*h = ngx_http_log_handler;
|
|
|
|
return NGX_OK;
|
|
}
|