First draft of the libosl patch series.
[paraslash.git] / http_recv.c
index 2e3a11b3ee0a1d667b54d06aff3fc78dd51c42e6..7f130341d16e1f0cc36cb43d691da66a92775235 100644 (file)
@@ -1,31 +1,25 @@
 /*
 /*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2009 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 */
 
  */
 
 /** \file http_recv.c paraslash's http receiver */
 
-#include "para.h"
+#include <sys/types.h>
+#include <dirent.h>
 
 
+#include "para.h"
+#include "error.h"
 #include "http.h"
 #include "http.h"
+#include "list.h"
+#include "sched.h"
+#include "ggo.h"
 #include "recv.h"
 #include "http_recv.cmdline.h"
 #include "recv.h"
 #include "http_recv.cmdline.h"
-#include "error.h"
 #include "net.h"
 #include "string.h"
 #include "net.h"
 #include "string.h"
+#include "fd.h"
 
 /** the output buffer size of the http receiver */
 #define BUFSIZE (32 * 1024)
 
 /** the output buffer size of the http receiver */
 #define BUFSIZE (32 * 1024)
@@ -48,7 +42,7 @@ struct private_http_recv_data {
  *
  * the current status of the http receiver node
  *
  *
  * 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.
  * http receiver.
  *
  * \sa receiver::open, receiver_node.
@@ -66,11 +60,11 @@ struct private_http_recv_data {
  *
  * 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
  *
  * 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.
  *
  * 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;
 };
  */
        int fd;
 };
@@ -83,67 +77,68 @@ static void http_shutdown(void)
 static char *make_request_msg(void)
 {
        char *ret, *hn = para_hostname();
 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;
 }
 
        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 = container_of(t, struct receiver_node, task);
        struct private_http_recv_data *phd = rn->private_data;
 
        struct private_http_recv_data *phd = rn->private_data;
 
+       t->error = 0;
        if  (phd->status == HTTP_CONNECTED)
        if  (phd->status == HTTP_CONNECTED)
-               FD_SET(phd->fd, wfds);
+               para_fd_set(phd->fd, &s->wfds, &s->max_fileno);
        else
        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 = container_of(t, struct receiver_node, task);
        struct private_http_recv_data *phd = rn->private_data;
 
        struct private_http_recv_data *phd = rn->private_data;
 
-       if (!select_ret) /* we're not interested in timeouts */
-               return 1;
+       if (rn->output_error && *rn->output_error < 0) {
+               t->error = *rn->output_error;
+               return;
+       }
        if  (phd->status == HTTP_CONNECTED) {
                char *rq;
        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))
+                       return;
                rq = make_request_msg();
                rq = make_request_msg();
-               PARA_NOTICE_LOG("%s", "sending http request\n");
-               ret = send_va_buffer(phd->fd, "%s", rq);
+               PARA_INFO_LOG("sending http request\n");
+               t->error = send_va_buffer(phd->fd, "%s", rq);
                free(rq);
                free(rq);
-               if (ret < 0)
-                       return E_SEND_HTTP_REQUEST;
-               phd->status = HTTP_SENT_GET_REQUEST;
-               return 1;
+               if (t->error >= 0)
+                       phd->status = HTTP_SENT_GET_REQUEST;
+               return;
        }
        }
-       if (!FD_ISSET(phd->fd, rfds))
-               return 1; /* nothing to do */
+       if (!FD_ISSET(phd->fd, &s->rfds))
+               return;
        if (phd->status == HTTP_SENT_GET_REQUEST) {
        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");
-               phd->status = HTTP_STREAMING;
-               return 1;
+               t->error = recv_pattern(phd->fd, HTTP_OK_MSG, strlen(HTTP_OK_MSG));
+               if (t->error >= 0) {
+                       PARA_INFO_LOG("received ok msg, streaming\n");
+                       phd->status = HTTP_STREAMING;
+               }
+               return;
        }
        }
-       /* already streaming */
        if (rn->loaded >= BUFSIZE) {
        if (rn->loaded >= BUFSIZE) {
-               PARA_ERROR_LOG("%s", "buffer overrun\n");
-               return -E_OVERRUN;
+               t->error = -E_HTTP_RECV_OVERRUN;
+               return;
        }
        }
-       ret = recv_bin_buffer(phd->fd, rn->buf + rn->loaded, BUFSIZE - rn->loaded);
-       if (ret <= 0) {
-               PARA_NOTICE_LOG("recv returned %d/%d\n", ret, BUFSIZE - rn->loaded);
-               return ret < 0? -E_HTTP_RECV_BUF : 0;
+       t->error = recv_bin_buffer(phd->fd, rn->buf + rn->loaded,
+               BUFSIZE - rn->loaded);
+       if (t->error > 0) {
+               rn->loaded += t->error;
+               return;
        }
        }
-       rn->loaded += ret;
-       return 1;
+       if (!t->error)
+               t->error = -E_RECV_EOF;
 }
 
 static void http_recv_close(struct receiver_node *rn)
 }
 
 static void http_recv_close(struct receiver_node *rn)
@@ -156,7 +151,7 @@ static void http_recv_close(struct receiver_node *rn)
 
 static void *http_recv_parse_config(int argc, char **argv)
 {
 
 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;
 
        if (!http_recv_cmdline_parser(argc, argv, tmp))
                return tmp;
@@ -167,36 +162,23 @@ static void *http_recv_parse_config(int argc, char **argv)
 static int http_recv_open(struct receiver_node *rn)
 {
        struct private_http_recv_data *phd;
 static int http_recv_open(struct receiver_node *rn)
 {
        struct private_http_recv_data *phd;
-       struct hostent *he;
-       struct gengetopt_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)))
-               goto err_out;
-       /* get new socket */
-       ret = -E_SOCKET;
-       if ((phd->fd = get_socket()) < 0)
-               goto err_out;
-       /* init their_addr */
-       init_sockaddr(&their_addr, conf->port_arg, he);
-       /* connect */
-       PARA_NOTICE_LOG("connecting to %s:%d\n", conf->host_arg,
+       struct http_recv_args_info *conf = rn->conf;
+       int fd, ret = makesock(AF_UNSPEC, IPPROTO_TCP, 0, conf->host_arg,
                conf->port_arg);
                conf->port_arg);
-       ret = para_connect(phd->fd, &their_addr);
+
        if (ret < 0)
        if (ret < 0)
-               goto err_out;
+               return ret;
+       fd = ret;
+       ret = mark_fd_nonblocking(fd);
+       if (ret < 0) {
+               close(fd);
+               return ret;
+       }
+       rn->buf = para_calloc(BUFSIZE);
+       rn->private_data = phd = para_calloc(sizeof(struct private_http_recv_data));
+       phd->fd = fd;
        phd->status = HTTP_CONNECTED;
        return 1;
        phd->status = HTTP_CONNECTED;
        return 1;
-err_out:
-       free(rn->private_data);
-       free(rn->buf);
-       return ret;
 }
 
 /**
 }
 
 /**
@@ -208,10 +190,17 @@ err_out:
  */
 void http_recv_init(struct receiver *r)
 {
  */
 void http_recv_init(struct receiver *r)
 {
+       struct http_recv_args_info dummy;
+
+       http_recv_cmdline_parser_init(&dummy);
        r->open = http_recv_open;
        r->close = http_recv_close;
        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;
        r->shutdown = http_shutdown;
        r->parse_config = http_recv_parse_config;
+       r->help = (struct ggo_help) {
+               .short_help = http_recv_args_info_help,
+               .detailed_help = http_recv_args_info_detailed_help
+       };
 }
 }