X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=http_recv.c;h=ed362bfa0f201c813a5a2860258b5cdba757c58c;hp=13e9ede23d4d3cda0dcea71fbeef9dc0602dbd6f;hb=3010ef96e10cb15d423eef8f9802fbed78744393;hpb=f113a41a633c0541f0d8418baf40205f4553c885

diff --git a/http_recv.c b/http_recv.c
index 13e9ede2..ed362bfa 100644
--- a/http_recv.c
+++ b/http_recv.c
@@ -21,6 +21,7 @@
 #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)
@@ -88,7 +89,13 @@ 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;
+	int ret;
 
+	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);
@@ -96,55 +103,86 @@ static void http_recv_pre_select(struct sched *s, struct task *t)
 		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 = container_of(t, struct receiver_node, task);
 	struct private_http_recv_data *phd = rn->private_data;
+	struct btr_node *btrn = rn->btrn;
+	int ret;
 
-	if (rn->output_error && *rn->output_error < 0) {
-		t->error = *rn->output_error;
-		return;
+	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;
+		}
 	}
-	if  (phd->status == HTTP_CONNECTED) {
+	if (phd->status == HTTP_CONNECTED) {
 		char *rq;
 		if (!FD_ISSET(phd->fd, &s->wfds))
 			return;
 		rq = make_request_msg();
 		PARA_INFO_LOG("sending http request\n");
-		t->error = send_va_buffer(phd->fd, "%s", rq);
+		ret = send_va_buffer(phd->fd, "%s", rq);
 		free(rq);
-		if (t->error >= 0)
-			phd->status = HTTP_SENT_GET_REQUEST;
+		if (ret < 0)
+			goto err;
+		phd->status = HTTP_SENT_GET_REQUEST;
 		return;
 	}
 	if (!FD_ISSET(phd->fd, &s->rfds))
 		return;
 	if (phd->status == HTTP_SENT_GET_REQUEST) {
-		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;
-		}
+		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;
 		return;
 	}
-	if (rn->loaded >= BUFSIZE) {
-		t->error = -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;
 	}
-	t->error = recv_bin_buffer(phd->fd, rn->buf + rn->loaded,
+	ret = -E_HTTP_RECV_OVERRUN;
+	if (rn->loaded >= BUFSIZE)
+		goto err;
+	ret = recv_bin_buffer(phd->fd, rn->buf + rn->loaded,
 		BUFSIZE - rn->loaded);
-	if (t->error > 0) {
-		rn->loaded += t->error;
-		return;
-	}
-	if (!t->error)
-		t->error = -E_RECV_EOF;
+	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);
@@ -182,12 +220,17 @@ static int http_recv_open(struct receiver_node *rn)
 	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)
 {
@@ -200,6 +243,7 @@ void http_recv_init(struct receiver *r)
 	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