src/server/daemon/event_linux.c

Sat, 18 Mar 2023 11:44:37 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 18 Mar 2023 11:44:37 +0100
changeset 477
39ebd50cfc12
parent 474
eb7640c59e9b
child 529
cd606400f0ba
permissions
-rw-r--r--

fix nsapi_error_request() could send empty error messages with http status 200, if the request status code wasn't set

41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
44
3da1f7b6847f added some error messages
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 43
diff changeset
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include <stdio.h>
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <stdlib.h>
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <errno.h>
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <sys/epoll.h>
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
33 #include <sys/eventfd.h>
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 #include "../util/systhr.h"
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 #include "../util/atomic.h"
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
38 #include "../util/io.h"
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 #include "event.h"
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 #include "event_linux.h"
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
44 EVHandler* evhandler_create(EventHandlerConfig *cfg) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
45 EVHandler *ev = malloc(sizeof(EVHandler));
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
46 ev->current = 0;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
47 ev->instances = calloc(cfg->nthreads, sizeof(void*));
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
48 ev->numins = cfg->nthreads;
443
ef3c8a0e1fee improve daemon startup
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 193
diff changeset
49
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
50 for(int i=0;i<cfg->nthreads;i++) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
51 EventHandler *handler = malloc(sizeof(EventHandler));
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
52 ev->instances[i] = handler;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
53
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
54 handler->ep = epoll_create(64);
443
ef3c8a0e1fee improve daemon startup
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 193
diff changeset
55 if(handler->ep < 0) {
ef3c8a0e1fee improve daemon startup
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 193
diff changeset
56 log_ereport(LOG_FAILURE, "evhandler_create: epoll_create: %s", strerror(errno));
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
57 return NULL;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
58 }
192
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
59
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
60 int eventpipe[2];
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
61 if(pipe(eventpipe)) {
443
ef3c8a0e1fee improve daemon startup
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 193
diff changeset
62 log_ereport(LOG_FAILURE, "evhandler_create: pipe: %s", strerror(errno));
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
63 return NULL;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
64 }
192
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
65 handler->eventin = eventpipe[0];
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
66 handler->eventout = eventpipe[1];
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
67
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
68 struct epoll_event epev;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
69 epev.events = EPOLLIN | EPOLLET; // input event, edge triggered
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
70 epev.data.ptr = NULL;
192
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
71 if(epoll_ctl(handler->ep, EPOLL_CTL_ADD, handler->eventin, &epev)) {
474
eb7640c59e9b fix broken log_ereport call
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 443
diff changeset
72 log_ereport(LOG_FAILURE, "evhandler_create: epoll_ctl: %s", strerror(errno));
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 return NULL;
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
76 SYS_THREAD t = systhread_start(
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
77 0,
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
78 0,
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
79 (thrstartfunc)ev_handle_events,
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
80 handler);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
81 systhread_detach(t);
443
ef3c8a0e1fee improve daemon startup
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 193
diff changeset
82 }
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 return ev;
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
88 void ev_handle_events(EventHandler *ev) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
89 int ep = ev->ep;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 //port_event_t events[16];
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 struct epoll_event events[16];
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94 for(;;) {
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 /* wait for events */
48
37a512d7b8f6 fixed some memory leaks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 46
diff changeset
96 int ret = epoll_wait(ep, events, 16, 100000);
126
631aaa01b2b5 fixes chunked transfer encoding
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 79
diff changeset
97 if(ret == -1 && errno != EINTR) {
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
98 log_ereport(LOG_FAILURE, "epoll_wait failed: %s", strerror(errno));
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 continue;
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 for(int i=0;i<ret;i++) {
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
103 Event *event = events[i].data.ptr;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
104 if(!event) {
192
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
105 char ebuf[sizeof(Event*)];
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
106 int ebufpos = 0;
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
107 char *b = ebuf;
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
108 while(ebufpos < sizeof(Event*)) {
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
109 ssize_t r = read(ev->eventin, b + ebufpos, sizeof(Event*)-ebufpos);
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
110 if(r < 0) {
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
111 break;
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
112 }
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
113 ebufpos += r;
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
114 }
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
115 if(ebufpos == sizeof(Event*)) {
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
116 intptr_t *p = (intptr_t*)b;
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
117 *(&event) = (Event*)*p;
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
118 if(event->fn) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
119 if(!event->fn(ev, event) && event->finish) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
120 event->finish(ev, event);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
121 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
122 }
192
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
123 }
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
124 } else if(event->fn) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
125 int saved_ev = event->events;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
126 if(!event->fn(ev, event)) {
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
127 // event fn returned 0 -> remove event from epoll
43
8ac56edb4e94 fixed solaris build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 41
diff changeset
128 if(epoll_ctl(ep, EPOLL_CTL_DEL, event->object, NULL)) {
152
8b85c5face66 improves sessionhandler logging
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 133
diff changeset
129 event->error = 1;
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
130 log_ereport(
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
131 LOG_FAILURE,
152
8b85c5face66 improves sessionhandler logging
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 133
diff changeset
132 "epoll_ctl failed: fd: %d error: %s",
8b85c5face66 improves sessionhandler logging
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 133
diff changeset
133 event->object,
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
134 strerror(errno));
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
135 }
46
636e05eb48f6 cleaning up resources after requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 44
diff changeset
136
636e05eb48f6 cleaning up resources after requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 44
diff changeset
137 // if set, execute event->finish
636e05eb48f6 cleaning up resources after requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 44
diff changeset
138 if(event->finish) {
636e05eb48f6 cleaning up resources after requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 44
diff changeset
139 event->finish(ev, event);
636e05eb48f6 cleaning up resources after requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 44
diff changeset
140 }
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
141 } else {
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
142 if(saved_ev != event->events) {
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
143 // event type changed
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
144 struct epoll_event epev;
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
145 epev.events = EPOLLET;
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
146 epev.data.ptr = event;
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
147
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
148 // adjust epoll events
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
149 epev.events = ev_convert2sys_events(event->events);
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
150
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
151 if(epoll_ctl(ep, EPOLL_CTL_MOD, event->object, &epev)) {
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
152 log_ereport(
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
153 LOG_FAILURE,
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
154 "epoll_wait failed: %s",
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
155 strerror(errno));
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
156 }
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
157 }
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
159 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
160 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
163
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
164 int ev_convert2sys_events(int events) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
165 int e = EPOLLET;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
166 if((events & EVENT_POLLIN) == EVENT_POLLIN) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
167 e |= EPOLLIN;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
168 }
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
169 if((events & EVENT_POLLOUT) == EVENT_POLLOUT) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
170 e |= EPOLLOUT;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
171 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
172 return e;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
173 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
174
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
175 int ev_pollin(EventHandler *h, int fd, Event *event) {
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
176 event->object = (intptr_t)fd;
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
177 event->events = EVENT_POLLIN;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178 struct epoll_event epev;
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
179 epev.events = EPOLLIN | EPOLLET; // input event, edge triggered
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
180 epev.data.ptr = event;
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
181 return epoll_ctl(h->ep, EPOLL_CTL_ADD, fd, &epev);
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
182 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
184 int ev_pollout(EventHandler *h, int fd, Event *event) {
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 event->object = (intptr_t)fd;
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
186 event->events = EVENT_POLLOUT;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187 struct epoll_event epev;
133
87b405d61f64 improves event handler and ssl error handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 126
diff changeset
188 epev.events = EPOLLOUT | EPOLLET; // input event, edge triggered
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
189 epev.data.ptr = event;
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
190 return epoll_ctl(h->ep, EPOLL_CTL_ADD, fd, &epev);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
191 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
192
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
193 int ev_remove_poll(EventHandler *h, int fd) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
194 return epoll_ctl(h->ep, EPOLL_CTL_DEL, fd, NULL);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
195 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
196
187
4384bfbb7e26 adds platform independent aio functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
197 int event_send(EventHandler *h, Event *event) {
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
198 event->object = 0;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
199 event->events = 0;
192
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
200 ssize_t r = write(h->eventout, &event, sizeof(Event*));
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
201 if(r < sizeof(Event*)) {
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
202 log_ereport(LOG_FAILURE, "failed to send event: %s", strerror(errno));
6a145e13d933 replaces eventfd with pipe and closes aio branch
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
203 }
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
204 return r > 0 ? 0 : 1;
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
205 }
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
206
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
207 // TODO: remove this fake aio
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
208 int ev_aioread(int fd, aiocb_s *cb) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
209 ssize_t result = pread(fd, cb->buf, cb->nbytes, cb->offset);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
210 cb->result = result;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
211 if(result < 0) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
212 cb->result_errno = errno;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
213 }
187
4384bfbb7e26 adds platform independent aio functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
214 return event_send(cb->evhandler, cb->event);
41
bb7a1f5a8b48 added Linux support
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
215 }
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
216
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
217 int ev_aiowrite(int fd, aiocb_s *cb) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
218 ssize_t result = pwrite(fd, cb->buf, cb->nbytes, cb->offset);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
219 cb->result = result;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
220 if(result < 0) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
221 cb->result_errno = errno;
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
222 }
187
4384bfbb7e26 adds platform independent aio functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
223 return event_send(cb->evhandler, cb->event);
185
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
224 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
225
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
226
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
227 int event_pollin(EventHandler *ev, SYS_NETFD fd, Event *event) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
228 return ((IOStream*)fd)->poll(fd, ev, IO_POLL_IN, event);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
229 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
230
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
231 int event_pollout(EventHandler *ev, SYS_NETFD fd, Event *event) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
232 return ((IOStream*)fd)->poll(fd, ev, IO_POLL_OUT, event);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
233 }
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
234
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
235 int event_removepoll(EventHandler *ev, SYS_NETFD fd) {
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
236 return ((IOStream*)fd)->poll(fd, ev, IO_POLL_NONE, NULL);
b4d7ccf4e06d implements new event handler and aio on linux
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 152
diff changeset
237 }

mercurial