nginx根据Url发送文件解析

来源：互联网发布：阿里云深圳节点编辑：程序博客网时间：2024/04/29 08:04

(gdb) bt#0  ngx_http_run_posted_requests (c=0x78c2c0e0) at src/http/ngx_http_request.c:2211#1  0x0808f8f3 in ngx_http_process_request (r=0x8873e38) at src/http/ngx_http_request.c:1913#2  0x0808e87c in ngx_http_process_request_headers (rev=0x78bb3068) at src/http/ngx_http_request.c:1342#3  0x0808de66 in ngx_http_process_request_line (rev=0x78bb3068) at src/http/ngx_http_request.c:1022#4  0x08091a04 in ngx_http_keepalive_handler (rev=0x78bb3068) at src/http/ngx_http_request.c:3196#5  0x0807f709 in ngx_epoll_process_events (cycle=0x886e5e8, timer=65000, flags=1) at src/event/modules/ngx_epoll_module.c:822#6  0x0807368b in ngx_process_events_and_timers (cycle=0x886e5e8) at src/event/ngx_event.c:242#7  0x0807da01 in ngx_worker_process_cycle (cycle=0x886e5e8, data=0x0) at src/os/unix/ngx_process_cycle.c:753#8  0x0807af4b in ngx_spawn_process (cycle=0x886e5e8, proc=0x807d93e <ngx_worker_process_cycle>, data=0x0, name=0x80fc3cf "worker process",     respawn=-3) at src/os/unix/ngx_process.c:198#9  0x0807cd08 in ngx_start_worker_processes (cycle=0x886e5e8, n=1, type=-3) at src/os/unix/ngx_process_cycle.c:358#10 0x0807c56e in ngx_master_process_cycle (cycle=0x886e5e8) at src/os/unix/ngx_process_cycle.c:130#11 0x08051626 in main (argc=1, argv=0xbff35874) at src/core/nginx.c:367

追踪之后处理流程如上，观察下向浏览器是怎么返回所请求的文件的

<pre name="code" class="cpp">voidngx_http_run_posted_requests(ngx_connection_t *c){    ngx_http_request_t         *r;    ngx_http_posted_request_t  *pr;    for ( ;; ) {        if (c->destroyed) {            return;        }        r = c->data;        pr = r->main->posted_requests;        if (pr == NULL) {            return;        }        r->main->posted_requests = pr->next;        r = pr->request;        ngx_http_set_log_request(c->log, r);        ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,                       "http posted request: \"%V?%V\"", &r->uri, &r->args);        r->write_event_handler(r);    }}

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