简介
本文档提供关于日志管理的 API 概览以及 C SDK 示例代码。
设置日志管理
功能说明
PUT Bucket logging 用于为源存储桶开启日志记录,将源存储桶的访问日志保存到指定的目标存储桶中。
方法原型
cos_status_t *cos_put_bucket_logging(const cos_request_options_t *options,
const cos_string_t *bucket,
cos_logging_params_t *logging_params,
cos_table_t **resp_headers);
请求示例
#include "cos_http_io.h"
#include "cos_api.h"
#include "cos_log.h"
#include <unistd.h>
static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";
static char *TEST_ACCESS_KEY_ID;
static char *TEST_ACCESS_KEY_SECRET;
static char TEST_APPID[] = "<APPID>";
static char TEST_BUCKET_NAME[] = "<bucketname-appid>";
void log_status(cos_status_t *s)
{
cos_warn_log("status->code: %d", s->code);
if (s->error_code) cos_warn_log("status->error_code: %s", s->error_code);
if (s->error_msg) cos_warn_log("status->error_msg: %s", s->error_msg);
if (s->req_id) cos_warn_log("status->req_id: %s", s->req_id);
}
void init_test_config(cos_config_t *config, int is_cname)
{
cos_str_set(&config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&config->appid, TEST_APPID);
config->is_cname = is_cname;
}
void init_test_request_options(cos_request_options_t *options, int is_cname)
{
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
options->ctl = cos_http_controller_create(options->pool, 0);
}
void test_put_logging()
{
cos_pool_t *pool = NULL;
int is_cname = 0;
cos_status_t *status = NULL;
cos_request_options_t *options = NULL;
cos_logging_params_t *params = NULL;
cos_table_t *resp_headers = NULL;
cos_string_t bucket;
cos_pool_create(&pool, NULL);
options = cos_request_options_create(pool);
init_test_request_options(options, is_cname);
cos_str_set(&bucket, TEST_BUCKET_NAME);
params = cos_create_logging_params(options->pool);
cos_str_set(¶ms->target_bucket, TEST_BUCKET_NAME);
cos_str_set(¶ms->target_prefix, "logging/");
status = cos_put_bucket_logging(options, &bucket, params, &resp_headers);
log_status(status);
cos_pool_destroy(pool);
}
int main(int argc, char *argv[])
{
TEST_ACCESS_KEY_ID = getenv("COS_SECRETID");
TEST_ACCESS_KEY_SECRET = getenv("COS_SECRETKEY");
if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
exit(1);
}
cos_log_set_level(COS_LOG_WARN);
cos_log_set_output(NULL);
test_put_logging();
cos_http_io_deinitialize();
return 0;
}
参数说明
参数名称 |
描述 |
类型 |
options |
COS 请求选项 |
Struct |
bucket |
开启日志功能的源存储桶,格式为 BucketName-APPID ,详情请参见 命名规范 |
String |
logging_params |
存储桶日志配置信息 |
Struct |
target_bucket |
存放日志的目标存储桶,可以是同一个存储桶(但不推荐),或同一账户下、同一地域的存储桶 |
String |
target_prefix |
日志存放在目标存储桶的指定路径 |
String |
resp_headers |
返回 HTTP 响应消息的头域 |
Struct |
返回结果说明
返回结果 |
描述 |
类型 |
code |
错误码 |
Int |
error_code |
错误码内容 |
String |
error_msg |
错误码描述 |
String |
req_id |
请求消息 ID |
String |
查询日志管理
功能说明
GET Bucket logging 用于查询指定存储桶的日志配置信息。
方法原型
cos_status_t *cos_get_bucket_logging(const cos_request_options_t *options,
const cos_string_t *bucket,
cos_logging_params_t *logging_params,
cos_table_t **resp_headers);
请求示例
#include "cos_http_io.h"
#include "cos_api.h"
#include "cos_log.h"
#include <unistd.h>
static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";
static char *TEST_ACCESS_KEY_ID;
static char *TEST_ACCESS_KEY_SECRET;
static char TEST_APPID[] = "<APPID>";
static char TEST_BUCKET_NAME[] = "<bucketname-appid>";
void log_status(cos_status_t *s)
{
cos_warn_log("status->code: %d", s->code);
if (s->error_code) cos_warn_log("status->error_code: %s", s->error_code);
if (s->error_msg) cos_warn_log("status->error_msg: %s", s->error_msg);
if (s->req_id) cos_warn_log("status->req_id: %s", s->req_id);
}
void init_test_config(cos_config_t *config, int is_cname)
{
cos_str_set(&config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&config->appid, TEST_APPID);
config->is_cname = is_cname;
}
void init_test_request_options(cos_request_options_t *options, int is_cname)
{
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
options->ctl = cos_http_controller_create(options->pool, 0);
}
void test_get_logging()
{
cos_pool_t *pool = NULL;
int is_cname = 0;
cos_status_t *status = NULL;
cos_request_options_t *options = NULL;
cos_logging_params_t *result = NULL;
cos_table_t *resp_headers = NULL;
cos_string_t bucket;
cos_pool_create(&pool, NULL);
options = cos_request_options_create(pool);
init_test_request_options(options, is_cname);
cos_str_set(&bucket, TEST_BUCKET_NAME);
result = cos_create_logging_params(options->pool);
status = cos_get_bucket_logging(options, &bucket, result, &resp_headers);
log_status(status);
if (!cos_status_is_ok(status)) {
cos_pool_destroy(pool);
return;
}
char *line = NULL;
line = apr_psprintf(options->pool, "%.*s\n", result->target_bucket.len, result->target_bucket.data);
printf("target bucket: %s", line);
line = apr_psprintf(options->pool, "%.*s\n", result->target_prefix.len, result->target_prefix.data);
printf("target prefix: %s", line);
cos_pool_destroy(pool);
}
int main(int argc, char *argv[])
{
TEST_ACCESS_KEY_ID = getenv("COS_SECRETID");
TEST_ACCESS_KEY_SECRET = getenv("COS_SECRETKEY");
if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
exit(1);
}
cos_log_set_level(COS_LOG_WARN);
cos_log_set_output(NULL);
test_get_logging();
cos_http_io_deinitialize();
return 0;
}
参数说明
参数名称 |
描述 |
类型 |
options |
COS 请求选项 |
Struct |
bucket |
存放日志的目标存储桶,格式为 BucketName-APPID ,详情请参见 命名规范 |
String |
logging_params |
存储桶日志配置信息 |
Struct |
target_bucket |
存放日志的目标存储桶,可以是同一个存储桶(但不推荐),或同一账户下、同一地域的存储桶 |
String |
target_prefix |
日志存放在目标存储桶的指定路径 |
String |
resp_headers |
返回 HTTP 响应消息的头域 |
Struct |
返回结果说明
返回结果 |
描述 |
类型 |
code |
错误码 |
Int |
error_code |
错误码内容 |
String |
error_msg |
错误码描述 |
String |
req_id |
请求消息 ID |
String |
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