mirror of
https://github.com/owntone/owntone-server.git
synced 2024-12-25 14:45:55 -05:00
Better thread sync, cleanup and libevent compability in ICY filescanner
This commit is contained in:
ejurgensen
parent
76fa7c1849
commit
02c23b0065
@ -1,9 +1,6 @@
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/*
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* Copyright (C) 2009-2010 Julien BLACHE <jb@jblache.org>
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*
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* Rewritten from mt-daapd code:
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* Copyright (C) 2003 Ron Pedde (ron@pedde.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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@ -37,13 +34,14 @@
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#include <netdb.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <pthread.h>
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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#include <netinet/in.h>
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#endif
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#include <event.h>
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#ifdef HAVE_LIBEVENT2
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#if defined HAVE_LIBEVENT2
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# include <evhttp.h>
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#else
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# include "evhttp/evhttp.h"
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@ -71,15 +69,16 @@ struct icy_ctx
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char hostname[PATH_MAX];
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char path[PATH_MAX];
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int port;
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char *icy_name;
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char *icy_description;
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char *icy_genre;
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pthread_mutex_t lck;
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pthread_cond_t cond;
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};
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static void
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free_icy(struct icy_ctx *ctx)
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{
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if (ctx)
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free(ctx);
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}
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#ifndef HAVE_LIBEVENT2
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static int
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resolve_address(char *hostname, char *s, size_t maxlen)
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{
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@ -102,19 +101,30 @@ resolve_address(char *hostname, char *s, size_t maxlen)
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default:
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strncpy(s, "Unknown AF", maxlen);
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freeaddrinfo(result);
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return -1;
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}
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freeaddrinfo(result);
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return 0;
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}
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#endif
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static void
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scan_icy_request_cb(struct evhttp_request *req, void *arg)
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{
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DPRINTF(E_DBG, L_SCAN, "ICY metadata request completed\n");
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struct icy_ctx *ctx;
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ctx = (struct icy_ctx *)arg;
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pthread_mutex_lock(&ctx->lck);
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DPRINTF(E_DBG, L_SCAN, "ICY metadata request: Signal callback\n");
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status = ICY_DONE;
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pthread_cond_signal(&ctx->cond);
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pthread_mutex_unlock(&ctx->lck);
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return;
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}
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@ -122,29 +132,36 @@ scan_icy_request_cb(struct evhttp_request *req, void *arg)
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static int
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scan_icy_header_cb(struct evhttp_request *req, void *arg)
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{
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struct media_file_info *mfi;
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struct icy_ctx *ctx;
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struct evkeyvalq *headers;
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const char *ptr;
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mfi = (struct media_file_info *)arg;
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ctx = (struct icy_ctx *)arg;
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if ( (ptr = evhttp_find_header(req->input_headers, "icy-name")) )
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DPRINTF(E_DBG, L_SCAN, "ICY metadata request: Headers received\n");
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#ifdef HAVE_LIBEVENT2
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headers = evhttp_request_get_input_headers(req);
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#else
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headers = req->input_headers;
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#endif
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if ( (ptr = evhttp_find_header(headers, "icy-name")) )
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{
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mfi->title = strdup(ptr);
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mfi->artist = strdup(ptr);
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DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, name (title/artist) is %s\n", mfi->title);
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ctx->icy_name = strdup(ptr);
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DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, name is %s\n", ctx->icy_name);
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}
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if ( (ptr = evhttp_find_header(req->input_headers, "icy-description")) )
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if ( (ptr = evhttp_find_header(headers, "icy-description")) )
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{
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mfi->album = strdup(ptr);
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DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, description (album) is %s\n", mfi->album);
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ctx->icy_description = strdup(ptr);
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DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, description is %s\n", ctx->icy_description);
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}
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if ( (ptr = evhttp_find_header(req->input_headers, "icy-genre")) )
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if ( (ptr = evhttp_find_header(headers, "icy-genre")) )
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{
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mfi->genre = strdup(ptr);
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DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, genre is %s\n", mfi->genre);
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ctx->icy_genre = strdup(ptr);
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DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, genre is %s\n", ctx->icy_genre);
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}
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status = ICY_DONE;
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return -1;
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}
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@ -153,11 +170,14 @@ scan_metadata_icy(char *url, struct media_file_info *mfi)
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{
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struct evhttp_connection *evcon;
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struct evhttp_request *req;
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struct evkeyvalq *headers;
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struct icy_ctx *ctx;
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time_t start;
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time_t end;
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int ret;
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int i;
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status = ICY_INIT;
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start = time(NULL);
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/* We can set this straight away */
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mfi->url = strdup(url);
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@ -167,10 +187,13 @@ scan_metadata_icy(char *url, struct media_file_info *mfi)
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{
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DPRINTF(E_LOG, L_SCAN, "Out of memory for ICY metadata context\n");
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goto no_icy;
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return -1;
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}
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memset(ctx, 0, sizeof(struct icy_ctx));
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pthread_mutex_init(&ctx->lck, NULL);
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pthread_cond_init(&ctx->cond, NULL);
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ctx->url = url;
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/* TODO https */
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@ -185,6 +208,15 @@ scan_metadata_icy(char *url, struct media_file_info *mfi)
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if (ctx->port < 0)
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ctx->port = 80;
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#ifdef HAVE_LIBEVENT2
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evcon = evhttp_connection_base_new(evbase_main, NULL, ctx->hostname, (unsigned short)ctx->port);
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if (!evcon)
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{
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DPRINTF(E_LOG, L_SCAN, "Could not create connection to %s\n", ctx->hostname);
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goto no_icy;
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}
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#else
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/* Resolve IP address */
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ret = resolve_address(ctx->hostname, ctx->address, sizeof(ctx->address));
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if (ret < 0)
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@ -205,37 +237,44 @@ scan_metadata_icy(char *url, struct media_file_info *mfi)
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goto no_icy;
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}
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evhttp_connection_set_base(evcon, evbase_main);
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#endif
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evhttp_connection_set_timeout(evcon, ICY_TIMEOUT);
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/* Set up request */
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req = evhttp_request_new(scan_icy_request_cb, mfi);
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req = evhttp_request_new(scan_icy_request_cb, ctx);
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if (!req)
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{
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DPRINTF(E_LOG, L_SCAN, "Could not create request to %s\n", ctx->hostname);
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evhttp_connection_free(evcon);
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goto no_icy;
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}
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#ifdef HAVE_LIBEVENT2
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evhttp_request_set_header_cb(req, scan_icy_header_cb);
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headers = evhttp_request_get_output_headers(req);
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#else
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req->header_cb = scan_icy_header_cb;
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evhttp_add_header(req->output_headers, "Host", ctx->hostname);
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evhttp_add_header(req->output_headers, "Icy-MetaData", "1");
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headers = req->output_headers;
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#endif
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evhttp_add_header(headers, "Host", ctx->hostname);
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evhttp_add_header(headers, "Icy-MetaData", "1");
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/* Make request */
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DPRINTF(E_INFO, L_SCAN, "Making request to %s asking for ICY (Shoutcast) metadata\n", ctx->hostname);
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status = ICY_WAITING;
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ret = evhttp_make_request(evcon, req, EVHTTP_REQ_GET, ctx->path);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_SCAN, "Could not make request to %s\n", ctx->hostname);
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DPRINTF(E_LOG, L_SCAN, "Error making request to %s\n", ctx->hostname);
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status = ICY_DONE;
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evhttp_connection_free(evcon);
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goto no_icy;
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}
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DPRINTF(E_INFO, L_SCAN, "Making request to %s asking for ICY (Shoutcast) metadata\n", url);
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/* Can't count on server support for ICY metadata, so
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* while waiting for a reply make a parallel call to scan_metadata_ffmpeg.
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* This call will also determine final return value.
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*/
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no_icy:
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ret = scan_metadata_ffmpeg(url, mfi);
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@ -247,13 +286,58 @@ scan_metadata_icy(char *url, struct media_file_info *mfi)
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mfi->description = strdup("MPEG audio file");
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}
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/* Wait till ICY request completes or we reach timeout */
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for (i = 0; (status == ICY_WAITING) && (i <= ICY_TIMEOUT); i++)
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sleep(1);
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/* Wait for ICY request to complete or timeout */
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pthread_mutex_lock(&ctx->lck);
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free_icy(ctx);
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if (status == ICY_WAITING)
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pthread_cond_wait(&ctx->cond, &ctx->lck);
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DPRINTF(E_DBG, L_SCAN, "scan_metadata_icy exiting with status %d after waiting %d sec\n", status, i);
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pthread_mutex_unlock(&ctx->lck);
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/* Copy result to mfi */
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if (ctx->icy_name)
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{
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if (mfi->title)
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free(mfi->title);
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if (mfi->artist)
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free(mfi->artist);
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if (mfi->album_artist)
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free(mfi->album_artist);
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mfi->title = strdup(ctx->icy_name);
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mfi->artist = strdup(ctx->icy_name);
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mfi->album_artist = strdup(ctx->icy_name);
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free(ctx->icy_name);
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}
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if (ctx->icy_description)
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{
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if (mfi->album)
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free(mfi->album);
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mfi->album = ctx->icy_description;
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}
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if (ctx->icy_genre)
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{
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if (mfi->genre)
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free(mfi->genre);
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mfi->genre = ctx->icy_genre;
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}
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/* Clean up */
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if (evcon)
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evhttp_connection_free(evcon);
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pthread_cond_destroy(&ctx->cond);
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pthread_mutex_destroy(&ctx->lck);
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free(ctx);
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end = time(NULL);
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DPRINTF(E_DBG, L_SCAN, "ICY metadata scan of %s completed in %.f sec\n", url, difftime(end, start));
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return 1;
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}
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