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/*
cdcd - Command Driven CD player
Copyright (C)1998-99 Tony Arcieri
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* modified for Audio::CD by dougm */
#include "cdaudio.h"
#include "cddb_lookup.h"
#include "stdio.h"
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <signal.h>
#define PACKAGE "Audio::CD"
static int verbosity = 0;
static int timestamp = 0;
/* Timestamped discid */
static int timestamped_discid = 0;
void cddb_verbose(void *h, int flag)
{
verbosity = flag;
}
static cddb_inexact_selection_func_t ixs_func = NULL;
void cddb_inexact_selection_set(cddb_inexact_selection_func_t func)
{
ixs_func = func;
}
static int inexact_selection(void)
{
if (ixs_func) {
return (*ixs_func)();
}
else {
char inbuffer[256];
fgets(inbuffer, sizeof(inbuffer), stdin);
return strtol(inbuffer, NULL, 10);
}
}
int cdcd_cd_stat(int cd_desc, struct disc_info *disc)
{
cd_stat(cd_desc, disc);
if(!disc->disc_present) {
cd_close(cd_desc);
cd_stat(cd_desc, disc);
if(!disc->disc_present) {
if (verbosity) puts("No disc in drive");
return -1;
}
}
return 0;
}
void cddb_lookup(int cd_desc, struct disc_data *data)
{
int index, serverindex, selection, sock = -1;
struct disc_info disc;
struct cddb_conf conf;
struct cddb_serverlist list;
struct cddb_server *proxy;
struct cddb_entry entry;
struct cddb_hello hello;
struct cddb_query query;
char http_string[512], discid[CDINDEX_ID_SIZE];
if(cdcd_cd_stat(cd_desc, &disc) < 0)
return;
if(0)
cddb_read_disc_data(cd_desc, data);
else {
cddb_stat_disc_data(cd_desc, &entry);
if(entry.entry_present) {
if(entry.entry_timestamp == timestamp && entry.entry_id == timestamped_discid)
return;
cddb_read_disc_data(cd_desc, data);
timestamp = entry.entry_timestamp;
timestamped_discid = entry.entry_id;
} else {
proxy = (struct cddb_server *)malloc(sizeof(struct cddb_server));
cddb_read_serverlist(&conf, &list, proxy);
if(conf.conf_access == CDDB_ACCESS_LOCAL) {
free(proxy);
cddb_generate_unknown_entry(cd_desc, data);
return;
}
if(!conf.conf_proxy) {
free(proxy);
proxy = NULL;
} else
if (verbosity) printf("Using proxy http://%s:%d/\n", proxy->server_name, proxy->server_port);
strncpy(hello.hello_program, PACKAGE, 256);
strncpy(hello.hello_version, VERSION, 256);
serverindex = 0;
do {
switch(list.list_host[serverindex].host_protocol) {
case CDDB_MODE_CDDBP:
if (verbosity) printf("Trying CDDB server cddbp://%s:%d/\n", list.list_host[serverindex].host_server.server_name, list.list_host[serverindex].host_server.server_port);
sock = cddb_connect_server(list.list_host[serverindex++], proxy, hello);
break;
case CDDB_MODE_HTTP:
if (verbosity) printf("Trying CDDB server http://%s:%d/%s\n", list.list_host[serverindex].host_server.server_name, list.list_host[serverindex].host_server.server_port, list.list_host[serverindex].host_addressing);
sock = cddb_connect_server(list.list_host[serverindex++], proxy, hello, http_string, 512);
break;
case CDINDEX_MODE_HTTP:
if (verbosity) printf("Trying CD Index server http://%s:%d/%s\n", list.list_host[serverindex].host_server.server_name, list.list_host[serverindex].host_server.server_port, list.list_host[serverindex].host_addressing);
sock = cdindex_connect_server(list.list_host[serverindex++], proxy, http_string, 512);
break;
default:
if (verbosity) puts("Invalid protocol selected!");
return;
}
if(sock == -1) fprintf(stderr, "Connection error: %s\n", cddb_message);
} while(serverindex < list.list_len && sock == -1);
if(sock == -1) {
if (verbosity) puts("Could not establish connection with any CDDB servers!");
if(conf.conf_proxy) free(proxy);
cddb_generate_unknown_entry(cd_desc, data);
return;
}
serverindex--;
if (verbosity) puts("Connection established.");
switch(list.list_host[serverindex].host_protocol) {
case CDDB_MODE_CDDBP:
if (verbosity) printf("Retrieving information on %02lx.\n", cddb_discid(cd_desc));
if(cddb_query(cd_desc, sock, CDDB_MODE_CDDBP, &query) < 0) {
fprintf(stderr, "CDDB query error: %s", cddb_message);
if(conf.conf_proxy) free(proxy);
cddb_generate_unknown_entry(cd_desc, data);
return;
}
break;
case CDDB_MODE_HTTP:
if (verbosity) printf("Retrieving information on %02lx.\n", cddb_discid(cd_desc));
if(cddb_query(cd_desc, sock, CDDB_MODE_HTTP, &query, http_string) < 0) {
fprintf(stderr, "CDDB query error: %s", cddb_message);
if(conf.conf_proxy) free(proxy);
cddb_generate_unknown_entry(cd_desc, data);
return;
}
shutdown(sock, 2);
close(sock);
if((sock = cddb_connect_server(list.list_host[serverindex], proxy, hello, http_string, 512)) < 0) {
perror("HTTP server reconnection error");
if(conf.conf_proxy) free(proxy);
cddb_generate_unknown_entry(cd_desc, data);
return;
}
break;
case CDINDEX_MODE_HTTP:
cdindex_discid(cd_desc, discid, CDINDEX_ID_SIZE);
if (verbosity) printf("Retrieving information on %s.\n", discid);
if(cdindex_read(cd_desc, sock, data, http_string) < 0) {
if (verbosity) printf("No match for %s.\n", discid);
if(conf.conf_proxy) free(proxy);
cddb_generate_unknown_entry(cd_desc, data);
return;
}
if (verbosity) printf("Match for %s: %s / %s\nDownloading data...\n", discid, data->data_artist, data->data_title);
cddb_write_data(cd_desc, data);
return;
}
if(conf.conf_proxy) free(proxy);
if(list.list_host[serverindex].host_protocol == CDINDEX_MODE_HTTP);
switch(query.query_match) {
case QUERY_EXACT:
if(strlen(query.query_list[0].list_artist) > 0)
if (verbosity) printf("Match for %02lx: %s / %s\nDownloading data...\n", cddb_discid(cd_desc), query.query_list[0].list_artist, query.query_list[0].list_title);
else
if (verbosity) printf("Match for %02lx: %s\nDownloading data...\n", cddb_discid(cd_desc), query.query_list[0].list_title);
entry.entry_genre = query.query_list[0].list_genre;
entry.entry_id = query.query_list[0].list_id;
switch(list.list_host[serverindex].host_protocol) {
case CDDB_MODE_CDDBP:
if(cddb_read(cd_desc, sock, CDDB_MODE_CDDBP, entry, data) < 0) {
perror("CDDB read error");
cddb_generate_unknown_entry(cd_desc, data);
return;
}
cddb_quit(sock);
break;
case CDDB_MODE_HTTP:
if(cddb_read(cd_desc, sock, CDDB_MODE_HTTP, entry, data, http_string) < 0) {
perror("CDDB read error");
cddb_generate_unknown_entry(cd_desc, data);
return;
}
shutdown(sock, 2);
close(sock);
break;
}
break;
case QUERY_INEXACT:
if (verbosity) printf("Inexact match for %02lx.\n", cddb_discid(cd_desc));
if (verbosity) puts("Please choose from the following inexact matches:");
for(index = 0; index < query.query_matches; index++)
if(strlen(query.query_list[index].list_artist) < 1)
if (verbosity) printf("%d: %s\n", index + 1, query.query_list[index].list_title);
else
if (verbosity) printf("%d: %s / %s\n", index + 1, query.query_list[index].list_artist, query.query_list[index].list_title);
if (verbosity) printf("%d: None of the above.\n", index + 1);
if (verbosity) printf("> ");
selection = inexact_selection();
if(selection > 0 && selection <= query.query_matches) {
entry.entry_genre = query.query_list[selection - 1].list_genre;
entry.entry_id = query.query_list[selection - 1].list_id;
if (verbosity) puts("Downloading data...");
switch(list.list_host[serverindex].host_protocol) {
case CDDB_MODE_CDDBP:
if(cddb_read(cd_desc, sock, CDDB_MODE_CDDBP, entry, data) < 0) {
perror("CDDB read error");
cddb_generate_unknown_entry(cd_desc, data);
return;
}
cddb_quit(sock);
break;
case CDDB_MODE_HTTP:
if(cddb_read(cd_desc, sock, CDDB_MODE_HTTP, entry, data, http_string) < 0) {
perror("CDDB read error");
cddb_generate_unknown_entry(cd_desc, data);
return;
}
shutdown(sock, 2);
close(sock);
break;
}
break;
}
case QUERY_NOMATCH:
if (verbosity) printf("No match for %02lx.\n", cddb_discid(cd_desc));
cddb_generate_unknown_entry(cd_desc, data);
}
close(sock);
cddb_write_data(cd_desc, data);
}
}
return;
}
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