/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file http_recv.c paraslash's http receiver */
#include "para.h"
#include "http.h"
+#include "list.h"
+#include "sched.h"
#include "recv.h"
#include "http_recv.cmdline.h"
#include "error.h"
#include "net.h"
#include "string.h"
+#include "fd.h"
/** the output buffer size of the http receiver */
#define BUFSIZE (32 * 1024)
*
* the current status of the http receiver node
*
- * It gets initialized to #HTTP_CONNECTED by the open function of the
+ * It gets initialized to \p HTTP_CONNECTED by the open function of the
* http receiver.
*
* \sa receiver::open, receiver_node.
*
* The post_select function of the http receiver uses \a fd, if ready, to
* establish the http connection, and updates \a status according to the new
- * state of the connection. As soon as \a status is #HTTP_STREAMING, \a fd is
+ * state of the connection. As soon as \a status is \p HTTP_STREAMING, \a fd is
* going to be only checked for reading. If data is available, it is read into
* the output buffer of the receiver node by post_select.
*
- * \sa receiver::pre_select receiver::post_select receiver_node
+ * \sa receiver::pre_select receiver::post_select receiver_node, http_recv_status
*/
int fd;
};
static char *make_request_msg(void)
{
char *ret, *hn = para_hostname();
- ret = make_message("%s\nHost: %s\nUser-Agent: para_recv/%s\n\n\n",
- HTTP_GET_MSG, hn, VERSION);
+ ret = make_message("%s1.0\nHost: %s\nUser-Agent: para_recv/%s\n\n\n",
+ HTTP_GET_MSG, hn, PACKAGE_VERSION);
free(hn);
return ret;
}
-static int http_pre_select(struct receiver_node *rn, fd_set *rfds, fd_set *wfds,
- __unused struct timeval *timeout)
+static void http_recv_pre_select(struct sched *s, struct task *t)
{
+ struct receiver_node *rn = t->private_data;
struct private_http_recv_data *phd = rn->private_data;
+ t->ret = 1;
if (phd->status == HTTP_CONNECTED)
- FD_SET(phd->fd, wfds);
+ para_fd_set(phd->fd, &s->wfds, &s->max_fileno);
else
- FD_SET(phd->fd, rfds);
- return phd->fd;
+ para_fd_set(phd->fd, &s->rfds, &s->max_fileno);
}
-static int http_post_select(struct receiver_node *rn, int select_ret,
- fd_set *rfds, fd_set *wfds)
+
+static void http_recv_post_select(struct sched *s, struct task *t)
{
- int ret;
+ struct receiver_node *rn = t->private_data;
struct private_http_recv_data *phd = rn->private_data;
- if (!select_ret) /* we're not interested in timeouts */
- return 1;
+ t->ret = -E_HTTP_RECV_EOF;
+ if (rn->output_eof && *rn->output_eof)
+ goto out;
+ t->ret = 1;
+ if (!s->select_ret)
+ goto out;
if (phd->status == HTTP_CONNECTED) {
char *rq;
- if (!FD_ISSET(phd->fd, wfds))
- return 1; /* nothing to do */
+ if (!FD_ISSET(phd->fd, &s->wfds))
+ goto out;
rq = make_request_msg();
- PARA_NOTICE_LOG("%s", "sending http request\n");
- ret = send_va_buffer(phd->fd, "%s", rq);
+ PARA_INFO_LOG("%s", "sending http request\n");
+ t->ret = send_va_buffer(phd->fd, "%s", rq);
free(rq);
- if (ret < 0)
- return E_SEND_HTTP_REQUEST;
- phd->status = HTTP_SENT_GET_REQUEST;
- return 1;
+ if (t->ret > 0)
+ phd->status = HTTP_SENT_GET_REQUEST;
+ goto out;
}
- if (!FD_ISSET(phd->fd, rfds))
- return 1; /* nothing to do */
+ if (!FD_ISSET(phd->fd, &s->rfds))
+ goto out;
if (phd->status == HTTP_SENT_GET_REQUEST) {
- ret = recv_pattern(phd->fd, HTTP_OK_MSG, MAXLINE);
- if (ret < 0)
- return -E_MISSING_OK;
- PARA_NOTICE_LOG("%s", "received ok msg, streaming\n");
+ t->ret = recv_pattern(phd->fd, HTTP_OK_MSG, MAXLINE);
+ if (t->ret < 0)
+ goto out;
+ PARA_INFO_LOG("%s", "received ok msg, streaming\n");
+ t->ret = 1;
phd->status = HTTP_STREAMING;
- return 1;
- }
- /* already streaming */
- if (rn->loaded >= BUFSIZE) {
- PARA_ERROR_LOG("%s", "buffer overrun\n");
- return -E_OVERRUN;
+ goto out;
}
- ret = recv_bin_buffer(phd->fd, rn->buf + rn->loaded, BUFSIZE - rn->loaded);
- if (ret <= 0) {
- PARA_NOTICE_LOG("recv returned %d/%zd\n", ret, BUFSIZE - rn->loaded);
- return ret < 0? -E_HTTP_RECV_BUF : 0;
+ t->ret = -E_HTTP_RECV_OVERRUN;
+ if (rn->loaded >= BUFSIZE)
+ goto out;
+ t->ret = recv_bin_buffer(phd->fd, rn->buf + rn->loaded,
+ BUFSIZE - rn->loaded);
+ if (t->ret <= 0) {
+ if (!t->ret)
+ t->ret = -E_HTTP_RECV_EOF;
+ goto out;
}
- rn->loaded += ret;
- return 1;
+ rn->loaded += t->ret;
+out:
+ if (t->ret < 0)
+ rn->eof = 1;
}
static void http_recv_close(struct receiver_node *rn)
static void *http_recv_parse_config(int argc, char **argv)
{
- struct gengetopt_args_info *tmp = para_calloc(sizeof(struct gengetopt_args_info));
+ struct http_recv_args_info *tmp = para_calloc(sizeof(struct http_recv_args_info));
if (!http_recv_cmdline_parser(argc, argv, tmp))
return tmp;
{
struct private_http_recv_data *phd;
struct hostent *he;
- struct gengetopt_args_info *conf = rn->conf;
+ struct http_recv_args_info *conf = rn->conf;
struct sockaddr_in their_addr;
int ret;
rn->buf = para_calloc(BUFSIZE);
rn->private_data = para_calloc(sizeof(struct private_http_recv_data));
phd = rn->private_data;
- optind = 0;
- ret = -E_HOST_INFO;
- if (!(he = get_host_info(conf->host_arg)))
+ ret = get_host_info(conf->host_arg, &he);
+ if (ret < 0)
goto err_out;
- /* get new socket */
- ret = -E_SOCKET;
- if ((phd->fd = get_socket()) < 0)
+ ret = get_stream_socket(AF_INET);
+ if (ret < 0)
goto err_out;
+ phd->fd = ret;
/* init their_addr */
init_sockaddr(&their_addr, conf->port_arg, he);
/* connect */
PARA_NOTICE_LOG("connecting to %s:%d\n", conf->host_arg,
conf->port_arg);
ret = para_connect(phd->fd, &their_addr);
- if (ret < 0)
+ if (ret < 0) {
+ close(phd->fd);
goto err_out;
+ }
+ mark_fd_nonblock(phd->fd);
phd->status = HTTP_CONNECTED;
return 1;
err_out:
{
r->open = http_recv_open;
r->close = http_recv_close;
- r->pre_select = http_pre_select;
- r->post_select = http_post_select;
+ r->pre_select = http_recv_pre_select;
+ r->post_select = http_recv_post_select;
r->shutdown = http_shutdown;
r->parse_config = http_recv_parse_config;
}