/**
?*
?*?Copyright?2018?Google?LLC
?*
?*?Licensed?under?the?Apache?License?Version?2.0?（the?“License“）;
?*?you?may?not?use?this?file?except?in?compliance?with?the?License.
?*?You?may?obtain?a?copy?of?the?License?at
?*
?*?????https://www.apache.org/licenses/LICENSE-2.0
?*
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?*
?*/

//?The?Nginx?module?for?GRPC?gateway.
//?It?proxies?the?HTTP?requests?（follows?go/http-api）?to?GRPC?backends.
//?Usage:
//???location?/?{
//?????grpc_pass?:
//?????grpc_channel_reuse?on|off
//?????grpc_client_liveness_detection_interval?
//???}
//?Example:
//???location?/?{
//?????grpc_pass?localhost:8090
//?????grpc_channel_reuse?on
//?????grpc_client_liveness_detection_interval?60000
//???}

#include?
#include?
#include?
#include?

#include?
#include?
#include?“net/grpc/gateway/frontend/nginx_bridge.h“
#include?“third_party/grpc/include/grpc/byte_buffer.h“
#include?“third_party/grpc/include/grpc/byte_buffer_reader.h“
#include?“third_party/grpc/include/grpc/grpc.h“
#include?“third_party/grpc/include/grpc/slice.h“
#include?“third_party/grpc/include/grpc/status.h“
#include?“third_party/grpc/include/grpc/support/time.h“

//?Tag?for?requests?to?GRPC?backend.?It?contains?the?content?and?will?be?send
//?back?to?the?grpc_event_callback?once?the?GRPC?event?comes?from?the?completion
//?queue.
typedef?struct?grpc_event_tag?grpc_event_tag;
struct?grpc_event_tag?{
??ngx_http_request_t?*ngx_http_request;
??grpc_metadata_array?recv_init_metadata;
??grpc_byte_buffer?*recv_message;
??grpc_status_code?recv_status;
??char?*recv_status_details;
??size_t?recv_status_details_capacity;
??grpc_metadata_array?recv_trailing_metadata;
??void?（*grpc_event_callback）（grpc_event_tag?*?bool）;
};

extern?ngx_int_t?grpc_gateway_init_process（ngx_cycle_t?*cycle）;

extern?void?grpc_gateway_exit_process（ngx_cycle_t?*cycle）;

//?Initiates?the?ngx_grpc_gateway?module.
static?char?*grpc_gateway（ngx_conf_t?*cf?ngx_command_t?*cmd?void?*conf）;

//?Callback?when?receiving?a?new?HTTP?request.
extern?ngx_int_t?grpc_gateway_handler（ngx_http_request_t?*r）;

//?Creates?the?local?configure.
static?void?*grpc_gateway_create_loc_conf（ngx_conf_t?*cf）;

//?Merges?the?local?configure.
static?char?*grpc_gateway_merge_loc_conf（ngx_conf_t?*cf?void?*parent
?????????????????????????????????????????void?*child）;

//?Commands?for?grpc_gateway?module.
static?ngx_command_t?grpc_gateway_commands[]?=?{
????{ngx_string（“grpc_pass“）?NGX_HTTP_LOC_CONF?|?NGX_CONF_TAKE1?grpc_gateway
?????NGX_HTTP_LOC_CONF_OFFSET?0?NULL}
????{ngx_string（“grpc_channel_reuse“）?NGX_HTTP_LOC_CONF?|?NGX_CONF_FLAG
?????ngx_conf_set_flag_slot?NGX_HTTP_LOC

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\
?????文件??????????90??2019-08-01?00:42??grpc-grpc-web-8b501a9\.gitignore
?????文件?????????445??2019-08-01?00:42??grpc-grpc-web-8b501a9\.gitmodules
?????文件??????????12??2019-08-01?00:42??grpc-grpc-web-8b501a9\AUTHORS
?????文件????????2890??2019-08-01?00:42??grpc-grpc-web-8b501a9\BROWSER-FEATURES.md
?????文件?????????142??2019-08-01?00:42??grpc-grpc-web-8b501a9\CODE-OF-CONDUCT.md
?????文件?????????462??2019-08-01?00:42??grpc-grpc-web-8b501a9\CONTRIBUTING.md
?????文件????????1585??2019-08-01?00:42??grpc-grpc-web-8b501a9\IN-PROCESS-PROXY.md
?????文件???????11357??2019-08-01?00:42??grpc-grpc-web-8b501a9\LICENSE
?????文件????????4284??2019-08-01?00:42??grpc-grpc-web-8b501a9\Makefile
?????文件????????1315??2019-08-01?00:42??grpc-grpc-web-8b501a9\PATENTS
?????文件????????9421??2019-08-01?00:42??grpc-grpc-web-8b501a9\README.md
?????文件????????3875??2019-08-01?00:42??grpc-grpc-web-8b501a9\ROADMAP.md
?????文件?????????554??2019-08-01?00:42??grpc-grpc-web-8b501a9\WORKSPACE
?????文件????????2171??2019-08-01?00:42??grpc-grpc-web-8b501a9\advanced.yml
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\bazel\
?????文件???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\bazel\BUILD.bazel
?????文件????????6202??2019-08-01?00:42??grpc-grpc-web-8b501a9\bazel\closure_grpc_web_library.bzl
?????文件?????????756??2019-08-01?00:42??grpc-grpc-web-8b501a9\docker-compose.yml
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\etc\
?????文件????????1086??2019-08-01?00:42??grpc-grpc-web-8b501a9\etc\localhost.crt
?????文件????????1675??2019-08-01?00:42??grpc-grpc-web-8b501a9\etc\localhost.key
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\
?????目錄???????????0??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\web\
?????文件????????4293??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\web\BUILD.bazel
?????文件?????????940??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\web\Makefile
?????文件????????3903??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\web\abstractclientbase.js
?????文件????????1686??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\web\clientreadablestream.js
?????文件?????????982??2019-08-01?00:42??grpc-grpc-web-8b501a9\javascript\net\grpc\web\error.js
............此處省略230個文件信息