Switch audiod over to the buffer tree API.
[paraslash.git] / http_recv.c
index 8c19d6d743c38c58398087029fddf1ddc7a1f348..ed362bfa0f201c813a5a2860258b5cdba757c58c 100644 (file)
@@ -1,11 +1,12 @@
 /*
- * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
 /** \file http_recv.c paraslash's http receiver */
 
+#include <regex.h>
 #include <sys/types.h>
 #include <dirent.h>
 
 #include "http.h"
 #include "list.h"
 #include "sched.h"
+#include "ggo.h"
 #include "recv.h"
 #include "http_recv.cmdline.h"
 #include "net.h"
 #include "string.h"
 #include "fd.h"
+#include "buffer_tree.h"
 
 /** the output buffer size of the http receiver */
 #define BUFSIZE (32 * 1024)
@@ -84,71 +87,102 @@ static char *make_request_msg(void)
 
 static void http_recv_pre_select(struct sched *s, struct task *t)
 {
-       struct receiver_node *rn = t->private_data;
+       struct receiver_node *rn = container_of(t, struct receiver_node, task);
        struct private_http_recv_data *phd = rn->private_data;
+       int ret;
 
-       t->ret = 1;
+       if (rn->btrn) {
+               ret = generic_recv_pre_select(s, t);
+               if (ret <= 0)
+                       return;
+       }
+       t->error = 0;
        if  (phd->status == HTTP_CONNECTED)
                para_fd_set(phd->fd, &s->wfds, &s->max_fileno);
        else
                para_fd_set(phd->fd, &s->rfds, &s->max_fileno);
 }
 
+#define HTTP_RECV_READ_BUF_SIZE 16384
 
 static void http_recv_post_select(struct sched *s, struct task *t)
 {
-       struct receiver_node *rn = t->private_data;
+       struct receiver_node *rn = container_of(t, struct receiver_node, task);
        struct private_http_recv_data *phd = rn->private_data;
-
-       if (rn->output_error && *rn->output_error) {
-               t->ret = *rn->output_error;
-               goto out;
+       struct btr_node *btrn = rn->btrn;
+       int ret;
+
+       t->error = 0;
+       if (btrn) {
+               ret = btr_node_status(btrn, 0, BTR_NT_ROOT);
+               if (ret < 0)
+                       goto err;
+               if (ret == 0)
+                       return;
+       } else {
+               if (rn->output_error && *rn->output_error < 0) {
+                       ret = *rn->output_error;
+                       goto err;
+               }
        }
-       t->ret = 1;
-       if (!s->select_ret)
-               goto out;
-       if  (phd->status == HTTP_CONNECTED) {
+       if (phd->status == HTTP_CONNECTED) {
                char *rq;
                if (!FD_ISSET(phd->fd, &s->wfds))
-                       goto out;
+                       return;
                rq = make_request_msg();
-               PARA_INFO_LOG("%s", "sending http request\n");
-               t->ret = send_va_buffer(phd->fd, "%s", rq);
+               PARA_INFO_LOG("sending http request\n");
+               ret = send_va_buffer(phd->fd, "%s", rq);
                free(rq);
-               if (t->ret > 0)
-                       phd->status = HTTP_SENT_GET_REQUEST;
-               goto out;
+               if (ret < 0)
+                       goto err;
+               phd->status = HTTP_SENT_GET_REQUEST;
+               return;
        }
        if (!FD_ISSET(phd->fd, &s->rfds))
-               goto out;
+               return;
        if (phd->status == HTTP_SENT_GET_REQUEST) {
-               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;
+               ret = recv_pattern(phd->fd, HTTP_OK_MSG, strlen(HTTP_OK_MSG));
+               if (ret < 0)
+                       goto err;
+               PARA_INFO_LOG("received ok msg, streaming\n");
                phd->status = HTTP_STREAMING;
-               goto out;
+               return;
        }
-       t->ret = -E_HTTP_RECV_OVERRUN;
+       if (btrn) {
+               char *buf;
+
+               buf = para_malloc(HTTP_RECV_READ_BUF_SIZE);
+               ret = recv_bin_buffer(phd->fd, buf, HTTP_RECV_READ_BUF_SIZE);
+               if (ret == 0)
+                       ret = -E_RECV_EOF;
+               if (ret < 0) {
+                       free(buf);
+                       goto err;
+               }
+               btr_add_output(buf, ret, btrn);
+               return;
+       }
+       ret = -E_HTTP_RECV_OVERRUN;
        if (rn->loaded >= BUFSIZE)
-               goto out;
-       t->ret = recv_bin_buffer(phd->fd, rn->buf + rn->loaded,
+               goto err;
+       ret = recv_bin_buffer(phd->fd, rn->buf + rn->loaded,
                BUFSIZE - rn->loaded);
-       if (t->ret <= 0) {
-               if (!t->ret)
-                       t->ret = -E_RECV_EOF;
-               goto out;
-       }
-       rn->loaded += t->ret;
-out:
-       if (t->ret < 0)
-               rn->error = t->ret;
+       if (ret == 0)
+               ret = -E_RECV_EOF;
+       if (ret < 0)
+               goto err;
+       rn->loaded += ret;
+       return;
+err:
+       if (btrn)
+               btr_remove_node(rn->btrn);
+       t->error = ret;
 }
 
 static void http_recv_close(struct receiver_node *rn)
 {
        struct private_http_recv_data *phd = rn->private_data;
+
        close(phd->fd);
        free(rn->buf);
        free(rn->private_data);
@@ -168,33 +202,51 @@ static int http_recv_open(struct receiver_node *rn)
 {
        struct private_http_recv_data *phd;
        struct http_recv_args_info *conf = rn->conf;
-       int ret = makesock(AF_UNSPEC, IPPROTO_TCP, 0, conf->host_arg, conf->port_arg);
+       int fd, ret = makesock(AF_UNSPEC, IPPROTO_TCP, 0, conf->host_arg,
+               conf->port_arg);
 
        if (ret < 0)
                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 = ret;
-       mark_fd_nonblocking(phd->fd);
+       phd->fd = fd;
        phd->status = HTTP_CONNECTED;
        return 1;
 }
 
+static void http_recv_free_config(void *conf)
+{
+       http_recv_cmdline_parser_free(conf);
+}
+
 /**
- * the init function of the http receiver
+ * The init function of the http receiver.
  *
- * \param r pointer to the receiver struct to initialize
+ * \param r Pointer to the receiver struct to initialize.
  *
- * Just initialize all function pointers of \a r.
+ * This initializes all function pointers of \a 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->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->free_config = http_recv_free_config;
+       r->help = (struct ggo_help) {
+               .short_help = http_recv_args_info_help,
+               .detailed_help = http_recv_args_info_detailed_help
+       };
+       http_recv_cmdline_parser_free(&dummy);
 }