X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=http_recv.c;h=ed362bfa0f201c813a5a2860258b5cdba757c58c;hp=a3167bd8626f8bc40361bfb71369079db955d9cc;hb=3010ef96e10cb15d423eef8f9802fbed78744393;hpb=806fcbb5a8c00d6b8c1a228b9b4d6b6758f613ca diff --git a/http_recv.c b/http_recv.c index a3167bd8..ed362bfa 100644 --- a/http_recv.c +++ b/http_recv.c @@ -1,11 +1,12 @@ /* - * Copyright (C) 2005-2008 Andre Noll + * Copyright (C) 2005-2009 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file http_recv.c paraslash's http receiver */ +#include #include #include @@ -14,11 +15,13 @@ #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("sending http request\n"); - t->ret = send_va_buffer(phd->fd, "%s", rq); + 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; + 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"); - t->ret = 1; phd->status = HTTP_STREAMING; - goto out; + return; + } + 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->ret = -E_HTTP_RECV_OVERRUN; + 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); @@ -186,19 +220,33 @@ 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) { + 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); }