stash.

Author: jiahao

src/ngx_http_lua_common.h

@@ -141,6 +141,7 @@ typedef struct {
 #define NGX_HTTP_LUA_CONTEXT_SSL_SESS_FETCH     0x1000
 #define NGX_HTTP_LUA_CONTEXT_EXIT_WORKER        0x2000
 #define NGX_HTTP_LUA_CONTEXT_SSL_CLIENT_HELLO   0x4000
+#define NGX_HTTP_LUA_CONTEXT_INIT               0x8000
 
 
 #define NGX_HTTP_LUA_FFI_NO_REQ_CTX         -100

src/ngx_http_lua_initworkerby.c

@@ -13,13 +13,8 @@
 #include "ngx_http_lua_initworkerby.h"
 #include "ngx_http_lua_util.h"
 #include "ngx_http_lua_pipe.h"
-#include "ngx_http_lua_event.h"
 
 
-int ngx_http_lua_event_inited = 0;
-
-ngx_http_lua_event_actions_t  ngx_http_lua_event_actions;
-
 static u_char *ngx_http_lua_log_init_worker_error(ngx_log_t *log,
     u_char *buf, size_t len);
 
@@ -51,10 +46,6 @@ ngx_http_lua_init_worker(ngx_cycle_t *cycle)
         return NGX_OK;
     }
 
-    if (ngx_http_lua_init_event(cycle) == NGX_OK) {
-        ngx_http_lua_event_inited = 1;
-    }
-
     /* lmcf != NULL && lmcf->lua != NULL */
 
 #if !(NGX_WIN32)

src/ngx_http_lua_module.c

@@ -32,6 +32,11 @@
 #include "ngx_http_lua_ssl_session_fetchby.h"
 #include "ngx_http_lua_headers.h"
 #include "ngx_http_lua_pipe.h"
+#include "ngx_http_lua_event.h"
+
+int ngx_http_lua_event_inited = 0;
+
+ngx_http_lua_event_actions_t  ngx_http_lua_event_actions;
 
 
 static void *ngx_http_lua_create_main_conf(ngx_conf_t *cf);
@@ -715,6 +720,24 @@ ngx_http_lua_init(ngx_conf_t *cf)
     ngx_http_lua_main_conf_t   *lmcf;
     ngx_pool_cleanup_t         *cln;
     ngx_str_t                   name = ngx_string("host");
+    ngx_cycle_t                *fake_cycle;
+    ngx_connection_t           *c = NULL;
+    ngx_http_request_t         *r = NULL;
+    ngx_uint_t                  i;
+    void                       *next;
+    ngx_event_t                *rev, *wev;
+    ngx_http_lua_ctx_t         *ctx;
+    ngx_module_t              **modules;
+    ngx_http_module_t          *module;
+    // ngx_core_module_t          *c_module;
+    ngx_http_conf_ctx_t        *conf_ctx, http_ctx;
+    void                       *cur, *prev;
+    ngx_conf_t                  conf;
+    ngx_http_lua_loc_conf_t    *top_llcf;
+    ngx_http_core_loc_conf_t   *top_clcf;
+    char                       *rv;
+    ngx_conf_file_t             cf_file;
+    ngx_event_conf_t           *ecf;
 
     if (ngx_process == NGX_PROCESS_SIGNALLER || ngx_test_config) {
         return NGX_OK;
@@ -889,6 +912,246 @@ ngx_http_lua_init(ngx_conf_t *cf)
 
         ngx_http_lua_assert(lmcf->lua != NULL);
 
+        conf_ctx = cf->ctx;
+        http_ctx.main_conf = conf_ctx->main_conf;
+
+        top_clcf = conf_ctx->loc_conf[ngx_http_core_module.ctx_index];
+        top_llcf = conf_ctx->loc_conf[ngx_http_lua_module.ctx_index];
+
+        ngx_memzero(&conf, sizeof(ngx_conf_t));
+
+        conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, cf->log);
+        if (conf.temp_pool == NULL) {
+            return NGX_ERROR;
+        }
+
+        conf.temp_pool->log = cf->log;
+
+        /* we fake a temporary ngx_cycle_t here because some
+         * modules' merge conf handler may produce side effects in
+         * cf->cycle (like ngx_proxy vs cf->cycle->paths).
+         * also, we cannot allocate our temp cycle on the stack
+         * because some modules like ngx_http_core_module reference
+         * addresses within cf->cycle (i.e., via "&cf->cycle->new_log")
+         */
+        fake_cycle = ngx_palloc(cf->pool, sizeof(ngx_cycle_t));
+        if (fake_cycle == NULL) {
+            return NGX_ERROR;
+        }
+
+        ngx_memcpy(fake_cycle, cf->cycle, sizeof(ngx_cycle_t));
+        fake_cycle->pool = cf->pool;
+
+        conf.ctx = &http_ctx;
+        conf.cycle = fake_cycle;
+        conf.pool = fake_cycle->pool;
+        conf.log = fake_cycle->log;
+
+        ngx_memzero(&cf_file, sizeof(cf_file));
+        cf_file.file.name = ngx_cycle->conf_file;
+        conf.conf_file = &cf_file;
+
+        http_ctx.loc_conf = ngx_pcalloc(conf.pool,
+                                        sizeof(void *) * ngx_http_max_module);
+        if (http_ctx.loc_conf == NULL) {
+            return NGX_ERROR;
+        }
+
+        http_ctx.srv_conf = ngx_pcalloc(conf.pool,
+                                        sizeof(void *) * ngx_http_max_module);
+        if (http_ctx.srv_conf == NULL) {
+            return NGX_ERROR;
+        }
+
+        fake_cycle->log = cf->log;
+        fake_cycle->connection_n = 128;
+
+        ngx_queue_init(&fake_cycle->reusable_connections_queue);
+
+#if (nginx_version >= 1009011)
+        modules = cf->cycle->modules;
+#else
+        modules = ngx_modules;
+#endif
+
+#if 0
+        // init modules
+        for (i = 0; modules[i]; i++) {
+            if (modules[i]->init_module && modules[i]->type != NGX_CORE_MODULE) {
+                if (modules[i]->init_module(fake_cycle) != NGX_OK) {
+                    return NGX_ERROR;
+                }
+            }
+        }
+#endif
+
+        ecf = ngx_palloc(fake_cycle->pool, sizeof(ngx_event_conf_t));
+#if 0
+        // init ngx event
+        for (i = 0; modules[i]; i++) {
+            if (modules[i]->type != NGX_EVENT_MODULE) {
+                continue;
+            }
+
+            c_module = modules[i]->ctx;
+            ecf->use = modules[i]->ctx_index;
+            ecf->name = c_module->name.data;
+        }
+#endif
+
+        // TODO: init fake_cycle->conf_ctx before assignment
+        fake_cycle->conf_ctx[ngx_events_module.index] = cf->ctx;
+        (fake_cycle->conf_ctx[ngx_events_module.index])[ngx_event_core_module.ctx_index] = (void **) ecf;
+
+        fake_cycle->connections = ngx_alloc(
+                sizeof(ngx_connection_t) * fake_cycle->connection_n,
+                fake_cycle->log);
+        if (fake_cycle->connections == NULL) {
+            return NGX_ERROR;
+        }
+
+        fake_cycle->read_events = ngx_alloc(
+                sizeof(ngx_event_t) * fake_cycle->connection_n, fake_cycle->log);
+        if (fake_cycle->read_events == NULL) {
+            return NGX_ERROR;
+        }
+
+        rev = fake_cycle->read_events;
+        for (i = 0; i < fake_cycle->connection_n; i++) {
+            rev[i].closed = 1;
+            rev[i].instance = 1;
+        }
+
+        fake_cycle->write_events = ngx_alloc(
+                sizeof(ngx_event_t) * fake_cycle->connection_n, fake_cycle->log);
+        if (fake_cycle->write_events == NULL) {
+            return NGX_ERROR;
+        }
+
+        wev = fake_cycle->write_events;
+        for (i = 0; i < fake_cycle->connection_n; i++) {
+            wev[i].closed = 1;
+        }
+
+        c = fake_cycle->connections;
+        i = fake_cycle->connection_n;
+        next = NULL;
+
+        do {
+            i--;
+
+            c[i].data = next;
+            c[i].read = &fake_cycle->read_events[i];
+            c[i].write = &fake_cycle->write_events[i];
+            c[i].fd = (ngx_socket_t) -1;
+
+            next = &c[i];
+        } while (i);
+
+        fake_cycle->free_connections = next;
+        fake_cycle->free_connection_n = fake_cycle->connection_n;
+
+        saved_cycle = ngx_cycle;
+        ngx_cycle = fake_cycle;
+
+        c = ngx_http_lua_create_fake_connection(cf->pool);
+        if (c == NULL) {
+            return NGX_ERROR;
+        }
+
+        r = ngx_http_lua_create_fake_request(c);
+        if (r == NULL) {
+            ngx_http_lua_close_fake_connection(c);
+            return NGX_ERROR;
+        }
+
+        ngx_cycle = saved_cycle;
+
+        for (i = 0; modules[i]; i++) {
+            if (modules[i]->type != NGX_HTTP_MODULE) {
+                continue;
+            }
+
+            module = modules[i]->ctx;
+
+            if (module->create_srv_conf) {
+                cur = module->create_srv_conf(&conf);
+                if (cur == NULL) {
+                    return NGX_ERROR;
+                }
+
+                http_ctx.srv_conf[modules[i]->ctx_index] = cur;
+
+                if (module->merge_srv_conf) {
+                    prev = module->create_srv_conf(&conf);
+                    if (prev == NULL) {
+                        return NGX_ERROR;
+                    }
+
+                    rv = module->merge_srv_conf(&conf, prev, cur);
+                    if (rv != NGX_CONF_OK) {
+                        // goto failed;
+                        return NGX_ERROR;
+                    }
+                }
+            }
+
+            if (module->create_loc_conf) {
+                cur = module->create_loc_conf(&conf);
+                if (cur == NULL) {
+                    return NGX_ERROR;
+                }
+
+                http_ctx.loc_conf[modules[i]->ctx_index] = cur;
+
+                if (module->merge_loc_conf) {
+                    if (modules[i] == &ngx_http_lua_module) {
+                        prev = top_llcf;
+
+                    } else if (modules[i] == &ngx_http_core_module) {
+                        prev = top_clcf;
+
+                    } else {
+                        prev = module->create_loc_conf(&conf);
+                        if (prev == NULL) {
+                            return NGX_ERROR;
+                        }
+                    }
+
+                    rv = module->merge_loc_conf(&conf, prev, cur);
+                    if (rv != NGX_CONF_OK) {
+                        // goto failed;
+                        return NGX_ERROR;
+                    }
+                }
+            }
+        }
+
+        ngx_destroy_pool(conf.temp_pool);
+        conf.temp_pool = NULL;
+
+        r->main_conf = http_ctx.main_conf;
+        r->srv_conf = http_ctx.srv_conf;
+        r->loc_conf = http_ctx.loc_conf;
+
+        ctx = ngx_http_lua_create_ctx(r);
+        if (ctx == NULL) {
+            ngx_http_lua_close_fake_connection(c);
+            return NGX_ERROR;
+        }
+
+        ctx->context = NGX_HTTP_LUA_CONTEXT_INIT;
+        ctx->cur_co_ctx = NULL;
+        r->read_event_handler = ngx_http_block_reading;
+
+        ngx_http_lua_set_req(lmcf->lua, r);
+
+#if 0
+        if (ngx_http_lua_init_event(cf->cycle) == NGX_OK) {
+            ngx_http_lua_event_inited = 1;
+        }
+#endif
+
         if (!lmcf->requires_shm && lmcf->init_handler) {
             saved_cycle = ngx_cycle;
             ngx_cycle = cf->cycle;
@@ -898,6 +1161,8 @@ ngx_http_lua_init(ngx_conf_t *cf)
             ngx_cycle = saved_cycle;
 
             if (rc != NGX_OK) {
+                // ngx_http_lua_close_fake_connection(c);
+
                 /* an error happened */
                 return NGX_ERROR;
             }

src/ngx_http_lua_util.h

@@ -40,7 +40,10 @@
                                 | NGX_HTTP_LUA_CONTEXT_SSL_CERT              \
                                 | NGX_HTTP_LUA_CONTEXT_SSL_SESS_FETCH)
 
-#define NGX_HTTP_LUA_CONTEXT_BLOCKED_COSOCKET (NGX_HTTP_LUA_CONTEXT_INIT_WORKER)
+#define NGX_HTTP_LUA_CONTEXT_BLOCKED_COSOCKET                                \
+                                        (NGX_HTTP_LUA_CONTEXT_INIT    \
+                                        |NGX_HTTP_LUA_CONTEXT_EXIT_WORKER)
+
 
 #define NGX_HTTP_LUA_CONTEXT_COSOCKET (NGX_HTTP_LUA_CONTEXT_YIELDABLE         \
                                        | NGX_HTTP_LUA_CONTEXT_BLOCKED_COSOCKET)
@@ -69,6 +72,7 @@
                                                  "ssl_session_store_by_lua*" \
      : (c) == NGX_HTTP_LUA_CONTEXT_SSL_SESS_FETCH ?                          \
                                                  "ssl_session_fetch_by_lua*" \
+     : (c) == NGX_HTTP_LUA_CONTEXT_INIT ? "init_by_lua*"                     \
      : "(unknown)")
 
 

t/058-tcp-socket.t

@@ -4372,7 +4372,7 @@ finish
 
 === TEST 73: run in init_worker_by_lua
 --- http_config
-    init_worker_by_lua_block {
+    init_by_lua_block {
         local sock = ngx.socket.tcp()
         local port = 80
         local ok, err = sock:connect("agentzh.org", port)
@@ -4428,3 +4428,4 @@ second line received: (?:Date|Server): .*?
 --- no_error_log
 [error]
 --- timeout: 10
+--- ONLY