2 ashd - A Sane HTTP Daemon
3 Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include <sys/socket.h>
41 static ssize_t mtread(void *cookie, void *buf, size_t len)
43 struct stdiofd *d = cookie;
48 ret = read(d->fd, buf, len);
49 if((ret < 0) && (errno == EAGAIN)) {
50 ev = block(d->fd, EV_READ, d->timeout);
52 /* If we just go on, we should get the real error. */
66 static ssize_t mtwrite(void *cookie, const void *buf, size_t len)
68 struct stdiofd *d = cookie;
76 ret = send(d->fd, buf + off, len - off, MSG_DONTWAIT | MSG_NOSIGNAL);
78 ret = write(d->fd, buf + off, len - off);
81 ev = block(d->fd, EV_WRITE, d->timeout);
83 /* If we just go on, we should get the real error. */
101 static int mtclose(void *cookie)
103 struct stdiofd *d = cookie;
110 FILE *mtstdopen(int fd, int issock, int timeout, char *mode)
116 if(!strcmp(mode, "r")) {
118 } else if(!strcmp(mode, "w")) {
120 } else if(!strcmp(mode, "r+")) {
128 d->timeout = timeout;
129 ret = funstdio(d, r?mtread:NULL, w?mtwrite:NULL, NULL, mtclose);
133 fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK);
144 static void freepipe(struct pipe *p)
150 static ssize_t piperead(void *pdata, void *buf, size_t len)
152 struct pipe *p = pdata;
155 while(p->data.d == 0) {
166 ret = min(len, p->data.d);
167 memcpy(buf, p->data.b, ret);
168 memmove(p->data.b, p->data.b + ret, p->data.d -= ret);
174 static int piperclose(void *pdata)
176 struct pipe *p = pdata;
188 static ssize_t pipewrite(void *pdata, const void *buf, size_t len)
190 struct pipe *p = pdata;
199 while(p->data.d >= p->bufmax) {
215 part = min(len - off, p->bufmax - p->data.d);
216 sizebuf(p->data, p->data.d + part);
217 memcpy(p->data.b + p->data.d, buf + off, part);
226 static int pipewclose(void *pdata)
228 struct pipe *p = pdata;
240 void mtiopipe(FILE **read, FILE **write)
246 *read = funstdio(p, piperead, NULL, NULL, piperclose);
247 *write = funstdio(p, NULL, pipewrite, NULL, pipewclose);