http.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:21k
源码类别:
Windows CE
开发平台:
C/C++
- /* XMMS - Cross-platform multimedia player
- * Copyright (C) 1998-2000 Peter Alm, Mikael Alm, Olle Hallnas, Thomas Nilsson and 4Front Technologies
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- /* modified for FLAC support by Steven Richman (2003) */
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <sys/time.h>
- #include <netinet/in.h>
- #include <arpa/inet.h>
- #include <netdb.h>
- #include <glib.h>
- #include <string.h>
- #include <fcntl.h>
- #include <unistd.h>
- #include <errno.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <pthread.h>
- #include <xmms/util.h>
- #include <xmms/plugin.h>
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #include "configure.h"
- #include "plugin_common/locale_hack.h"
- #include "FLAC/format.h"
- #include "plugin.h"
- #ifndef HAVE_SOCKLEN_T
- typedef unsigned int socklen_t;
- #endif
- #define min(x,y) ((x)<(y)?(x):(y))
- #define min3(x,y,z) (min(x,y)<(z)?min(x,y):(z))
- #define min4(x,y,z,w) (min3(x,y,z)<(w)?min3(x,y,z):(w))
- static gchar *icy_name = NULL;
- static gint icy_metaint = 0;
- extern InputPlugin flac_ip;
- #undef DEBUG_UDP
- /* Static udp channel functions */
- static int udp_establish_listener (gint *sock);
- static int udp_check_for_data(gint sock);
- static char *flac_http_get_title(char *url);
- static gboolean prebuffering, going, eof = FALSE;
- static gint sock, rd_index, wr_index, buffer_length, prebuffer_length;
- static guint64 buffer_read = 0;
- static gchar *buffer;
- static guint64 offset;
- static pthread_t thread;
- static GtkWidget *error_dialog = NULL;
- static FILE *output_file = NULL;
- #define BASE64_LENGTH(len) (4 * (((len) + 2) / 3))
- /* Encode the string S of length LENGTH to base64 format and place it
- to STORE. STORE will be 0-terminated, and must point to a writable
- buffer of at least 1+BASE64_LENGTH(length) bytes. */
- static void base64_encode (const gchar *s, gchar *store, gint length)
- {
- /* Conversion table. */
- static gchar tbl[64] = {
- 'A','B','C','D','E','F','G','H',
- 'I','J','K','L','M','N','O','P',
- 'Q','R','S','T','U','V','W','X',
- 'Y','Z','a','b','c','d','e','f',
- 'g','h','i','j','k','l','m','n',
- 'o','p','q','r','s','t','u','v',
- 'w','x','y','z','0','1','2','3',
- '4','5','6','7','8','9','+','/'
- };
- gint i;
- guchar *p = (guchar *)store;
- /* Transform the 3x8 bits to 4x6 bits, as required by base64. */
- for (i = 0; i < length; i += 3)
- {
- *p++ = tbl[s[0] >> 2];
- *p++ = tbl[((s[0] & 3) << 4) + (s[1] >> 4)];
- *p++ = tbl[((s[1] & 0xf) << 2) + (s[2] >> 6)];
- *p++ = tbl[s[2] & 0x3f];
- s += 3;
- }
- /* Pad the result if necessary... */
- if (i == length + 1)
- *(p - 1) = '=';
- else if (i == length + 2)
- *(p - 1) = *(p - 2) = '=';
- /* ...and zero-terminate it. */
- *p = ' ';
- }
- /* Create the authentication header contents for the `Basic' scheme.
- This is done by encoding the string `USER:PASS' in base64 and
- prepending `HEADER: Basic ' to it. */
- static gchar *basic_authentication_encode (const gchar *user, const gchar *passwd, const gchar *header)
- {
- gchar *t1, *t2, *res;
- gint len1 = strlen (user) + 1 + strlen (passwd);
- gint len2 = BASE64_LENGTH (len1);
- t1 = g_strdup_printf("%s:%s", user, passwd);
- t2 = g_malloc0(len2 + 1);
- base64_encode (t1, t2, len1);
- res = g_strdup_printf("%s: Basic %srn", header, t2);
- g_free(t2);
- g_free(t1);
- return res;
- }
- static void parse_url(const gchar * url, gchar ** user, gchar ** pass, gchar ** host, int *port, gchar ** filename)
- {
- gchar *h, *p, *pt, *f, *temp, *ptr;
- temp = g_strdup(url);
- ptr = temp;
- if (!strncasecmp("http://", ptr, 7))
- ptr += 7;
- h = strchr(ptr, '@');
- f = strchr(ptr, '/');
- if (h != NULL && (!f || h < f))
- {
- *h = ' ';
- p = strchr(ptr, ':');
- if (p != NULL && p < h)
- {
- *p = ' ';
- p++;
- *pass = g_strdup(p);
- }
- else
- *pass = NULL;
- *user = g_strdup(ptr);
- h++;
- ptr = h;
- }
- else
- {
- *user = NULL;
- *pass = NULL;
- h = ptr;
- }
- pt = strchr(ptr, ':');
- if (pt != NULL && (f == NULL || pt < f))
- {
- *pt = ' ';
- *port = atoi(pt + 1);
- }
- else
- {
- if (f)
- *f = ' ';
- *port = 80;
- }
- *host = g_strdup(h);
- if (f)
- *filename = g_strdup(f + 1);
- else
- *filename = NULL;
- g_free(temp);
- }
- void flac_http_close(void)
- {
- going = FALSE;
- pthread_join(thread, NULL);
- g_free(icy_name);
- icy_name = NULL;
- }
- static gint http_used(void)
- {
- if (wr_index >= rd_index)
- return wr_index - rd_index;
- return buffer_length - (rd_index - wr_index);
- }
- static gint http_free(void)
- {
- if (rd_index > wr_index)
- return (rd_index - wr_index) - 1;
- return (buffer_length - (wr_index - rd_index)) - 1;
- }
- static void http_wait_for_data(gint bytes)
- {
- while ((prebuffering || http_used() < bytes) && !eof && going)
- xmms_usleep(10000);
- }
- static void show_error_message(gchar *error)
- {
- if(!error_dialog)
- {
- GDK_THREADS_ENTER();
- error_dialog = xmms_show_message(_("Error"), error, _("Ok"), FALSE,
- NULL, NULL);
- gtk_signal_connect(GTK_OBJECT(error_dialog),
- "destroy",
- GTK_SIGNAL_FUNC(gtk_widget_destroyed),
- &error_dialog);
- GDK_THREADS_LEAVE();
- }
- }
- int flac_http_read(gpointer data, gint length)
- {
- gint len, cnt, off = 0, meta_len, meta_off = 0, i;
- gchar *meta_data, **tags, *temp, *title;
- if (length > buffer_length) {
- length = buffer_length;
- }
- http_wait_for_data(length);
- if (!going)
- return 0;
- len = min(http_used(), length);
- while (len && http_used())
- {
- if ((flac_cfg.stream.cast_title_streaming) && (icy_metaint > 0) && (buffer_read % icy_metaint) == 0 && (buffer_read > 0))
- {
- meta_len = *((guchar *) buffer + rd_index) * 16;
- rd_index = (rd_index + 1) % buffer_length;
- if (meta_len > 0)
- {
- http_wait_for_data(meta_len);
- meta_data = g_malloc0(meta_len);
- if (http_used() >= meta_len)
- {
- while (meta_len)
- {
- cnt = min(meta_len, buffer_length - rd_index);
- memcpy(meta_data + meta_off, buffer + rd_index, cnt);
- rd_index = (rd_index + cnt) % buffer_length;
- meta_len -= cnt;
- meta_off += cnt;
- }
- tags = g_strsplit(meta_data, "';", 0);
- for (i = 0; tags[i]; i++)
- {
- if (!strncasecmp(tags[i], "StreamTitle=", 12))
- {
- temp = g_strdup(tags[i] + 13);
- title = g_strdup_printf("%s (%s)", temp, icy_name);
- set_track_info(title, -1);
- g_free(title);
- g_free(temp);
- }
- }
- g_strfreev(tags);
- }
- g_free(meta_data);
- }
- if (!http_used())
- http_wait_for_data(length - off);
- cnt = min3(len, buffer_length - rd_index, http_used());
- }
- else if ((icy_metaint > 0) && (flac_cfg.stream.cast_title_streaming))
- cnt = min4(len, buffer_length - rd_index, http_used(), icy_metaint - (gint) (buffer_read % icy_metaint));
- else
- cnt = min3(len, buffer_length - rd_index, http_used());
- if (output_file)
- fwrite(buffer + rd_index, 1, cnt, output_file);
- memcpy((gchar *)data + off, buffer + rd_index, cnt);
- rd_index = (rd_index + cnt) % buffer_length;
- buffer_read += cnt;
- len -= cnt;
- off += cnt;
- }
- if (!off) {
- fprintf(stderr, "returning zeron");
- }
- return off;
- }
- static gboolean http_check_for_data(void)
- {
- fd_set set;
- struct timeval tv;
- gint ret;
- tv.tv_sec = 0;
- tv.tv_usec = 20000;
- FD_ZERO(&set);
- FD_SET(sock, &set);
- ret = select(sock + 1, &set, NULL, NULL, &tv);
- if (ret > 0)
- return TRUE;
- return FALSE;
- }
- gint flac_http_read_line(gchar * buf, gint size)
- {
- gint i = 0;
- while (going && i < size - 1)
- {
- if (http_check_for_data())
- {
- if (read(sock, buf + i, 1) <= 0)
- return -1;
- if (buf[i] == 'n')
- break;
- if (buf[i] != 'r')
- i++;
- }
- }
- if (!going)
- return -1;
- buf[i] = ' ';
- return i;
- }
- /* returns the file descriptor of the socket, or -1 on error */
- static int http_connect (gchar *url_, gboolean head, guint64 offset)
- {
- gchar line[1024], *user, *pass, *host, *filename,
- *status, *url, *temp, *file;
- gchar *chost;
- gint cnt, error, err_len, port, cport;
- gboolean redirect;
- int udp_sock = 0;
- fd_set set;
- struct hostent *hp;
- struct sockaddr_in address;
- struct timeval tv;
- url = g_strdup (url_);
- do
- {
- redirect=FALSE;
- g_strstrip(url);
- parse_url(url, &user, &pass, &host, &port, &filename);
- if ((!filename || !*filename) && url[strlen(url) - 1] != '/')
- temp = g_strconcat(url, "/", NULL);
- else
- temp = g_strdup(url);
- g_free(url);
- url = temp;
- chost = flac_cfg.stream.use_proxy ? flac_cfg.stream.proxy_host : host;
- cport = flac_cfg.stream.use_proxy ? flac_cfg.stream.proxy_port : port;
- sock = socket(AF_INET, SOCK_STREAM, 0);
- fcntl(sock, F_SETFL, O_NONBLOCK);
- address.sin_family = AF_INET;
- status = g_strdup_printf(_("LOOKING UP %s"), chost);
- flac_ip.set_info_text(status);
- g_free(status);
- if (!(hp = gethostbyname(chost)))
- {
- status = g_strdup_printf(_("Couldn't look up host %s"), chost);
- show_error_message(status);
- g_free(status);
- flac_ip.set_info_text(NULL);
- eof = TRUE;
- }
- if (!eof)
- {
- memcpy(&address.sin_addr.s_addr, *(hp->h_addr_list), sizeof (address.sin_addr.s_addr));
- address.sin_port = (gint) g_htons(cport);
- status = g_strdup_printf(_("CONNECTING TO %s:%d"), chost, cport);
- flac_ip.set_info_text(status);
- g_free(status);
- if (connect(sock, (struct sockaddr *) &address, sizeof (struct sockaddr_in)) == -1)
- {
- if (errno != EINPROGRESS)
- {
- status = g_strdup_printf(_("Couldn't connect to host %s"), chost);
- show_error_message(status);
- g_free(status);
- flac_ip.set_info_text(NULL);
- eof = TRUE;
- }
- }
- while (going)
- {
- tv.tv_sec = 0;
- tv.tv_usec = 10000;
- FD_ZERO(&set);
- FD_SET(sock, &set);
- if (select(sock + 1, NULL, &set, NULL, &tv) > 0)
- {
- err_len = sizeof (error);
- getsockopt(sock, SOL_SOCKET, SO_ERROR, &error, &err_len);
- if (error)
- {
- status = g_strdup_printf(_("Couldn't connect to host %s"),
- chost);
- show_error_message(status);
- g_free(status);
- flac_ip.set_info_text(NULL);
- eof = TRUE;
- }
- break;
- }
- }
- if (!eof)
- {
- gchar *auth = NULL, *proxy_auth = NULL;
- gchar udpspace[30];
- int udp_port;
- if (flac_cfg.stream.use_udp_channel)
- {
- udp_port = udp_establish_listener (&udp_sock);
- if (udp_port > 0)
- sprintf (udpspace, "x-audiocast-udpport: %drn", udp_port);
- else
- udp_sock = 0;
- }
- if(user && pass)
- auth = basic_authentication_encode(user, pass, "Authorization");
- if (flac_cfg.stream.use_proxy)
- {
- file = g_strdup(url);
- if(flac_cfg.stream.proxy_use_auth && flac_cfg.stream.proxy_user && flac_cfg.stream.proxy_pass)
- {
- proxy_auth = basic_authentication_encode(flac_cfg.stream.proxy_user,
- flac_cfg.stream.proxy_pass,
- "Proxy-Authorization");
- }
- }
- else
- file = g_strconcat("/", filename, NULL);
- temp = g_strdup_printf("GET %s HTTP/1.0rn"
- "Host: %srn"
- "User-Agent: %s/%srn"
- "%s%s%s%s",
- file, host, "Reference FLAC Player", FLAC__VERSION_STRING,
- proxy_auth ? proxy_auth : "", auth ? auth : "",
- flac_cfg.stream.cast_title_streaming ? "Icy-MetaData:1rn" : "",
- flac_cfg.stream.use_udp_channel ? udpspace : "");
- if (offset && !head) {
- gchar *temp_dead = temp;
- temp = g_strconcat ("%sRange: %ll-rn", temp, offset);
- fprintf (stderr, "%s", temp);
- g_free (temp_dead);
- }
- g_free(file);
- if(proxy_auth)
- g_free(proxy_auth);
- if(auth)
- g_free(auth);
- write(sock, temp, strlen(temp));
- write(sock, "rn", 2);
- g_free(temp);
- flac_ip.set_info_text(_("CONNECTED: WAITING FOR REPLY"));
- while (going && !eof)
- {
- if (http_check_for_data())
- {
- if (flac_http_read_line(line, 1024))
- {
- status = strchr(line, ' ');
- if (status)
- {
- if (status[1] == '2')
- break;
- else if(status[1] == '3' && status[2] == '0' && status[3] == '2')
- {
- while(going)
- {
- if(http_check_for_data())
- {
- if((cnt = flac_http_read_line(line, 1024)) != -1)
- {
- if(!cnt)
- break;
- if(!strncmp(line, "Location:", 9))
- {
- g_free(url);
- url = g_strdup(line+10);
- }
- }
- else
- {
- eof=TRUE;
- flac_ip.set_info_text(NULL);
- break;
- }
- }
- }
- redirect=TRUE;
- break;
- }
- else
- {
- status = g_strdup_printf(_("Couldn't connect to host %snServer reported: %s"), chost, status);
- show_error_message(status);
- g_free(status);
- break;
- }
- }
- }
- else
- {
- eof = TRUE;
- flac_ip.set_info_text(NULL);
- }
- }
- }
- while (going && !redirect)
- {
- if (http_check_for_data())
- {
- if ((cnt = flac_http_read_line(line, 1024)) != -1)
- {
- if (!cnt)
- break;
- if (!strncmp(line, "icy-name:", 9))
- icy_name = g_strdup(line + 9);
- else if (!strncmp(line, "x-audiocast-name:", 17))
- icy_name = g_strdup(line + 17);
- if (!strncmp(line, "icy-metaint:", 12))
- icy_metaint = atoi(line + 12);
- if (!strncmp(line, "x-audiocast-udpport:", 20)) {
- #ifdef DEBUG_UDP
- fprintf (stderr, "Server wants udp messages on port %dn", atoi (line + 20));
- #endif
- /*udp_serverport = atoi (line + 20);*/
- }
- }
- else
- {
- eof = TRUE;
- flac_ip.set_info_text(NULL);
- break;
- }
- }
- }
- }
- }
- if(redirect)
- {
- if (output_file)
- {
- fclose(output_file);
- output_file = NULL;
- }
- close(sock);
- }
- g_free(user);
- g_free(pass);
- g_free(host);
- g_free(filename);
- } while(redirect);
- g_free(url);
- return eof ? -1 : sock;
- }
- static void *http_buffer_loop(void *arg)
- {
- gchar *status, *url, *temp, *file;
- gint cnt, written;
- int udp_sock = 0;
- url = (gchar *) arg;
- sock = http_connect (url, false, offset);
- if (sock >= 0 && flac_cfg.stream.save_http_stream) {
- gchar *output_name;
- file = flac_http_get_title(url);
- output_name = file;
- if (!strncasecmp(output_name, "http://", 7))
- output_name += 7;
- temp = strrchr(output_name, '.');
- if (temp && (!strcasecmp(temp, ".fla") || !strcasecmp(temp, ".flac")))
- *temp = ' ';
- while ((temp = strchr(output_name, '/')))
- *temp = '_';
- output_name = g_strdup_printf("%s/%s.flac", flac_cfg.stream.save_http_path, output_name);
- g_free(file);
- output_file = fopen(output_name, "wb");
- g_free(output_name);
- }
- while (going)
- {
- if (!http_used() && !flac_ip.output->buffer_playing())
- prebuffering = TRUE;
- if (http_free() > 0 && !eof)
- {
- if (http_check_for_data())
- {
- cnt = min(http_free(), buffer_length - wr_index);
- if (cnt > 1024)
- cnt = 1024;
- written = read(sock, buffer + wr_index, cnt);
- if (written <= 0)
- {
- eof = TRUE;
- if (prebuffering)
- {
- prebuffering = FALSE;
- flac_ip.set_info_text(NULL);
- }
- }
- else
- wr_index = (wr_index + written) % buffer_length;
- }
- if (prebuffering)
- {
- if (http_used() > prebuffer_length)
- {
- prebuffering = FALSE;
- flac_ip.set_info_text(NULL);
- }
- else
- {
- status = g_strdup_printf(_("PRE-BUFFERING: %dKB/%dKB"), http_used() / 1024, prebuffer_length / 1024);
- flac_ip.set_info_text(status);
- g_free(status);
- }
- }
- }
- else
- xmms_usleep(10000);
- if (flac_cfg.stream.use_udp_channel && udp_sock != 0)
- if (udp_check_for_data(udp_sock) < 0)
- {
- close(udp_sock);
- udp_sock = 0;
- }
- }
- if (output_file)
- {
- fclose(output_file);
- output_file = NULL;
- }
- if (sock >= 0) {
- close(sock);
- }
- if (udp_sock != 0)
- close(udp_sock);
- g_free(buffer);
- g_free(url);
- pthread_exit(NULL);
- return NULL; /* avoid compiler warning */
- }
- int flac_http_open(gchar * _url, guint64 _offset)
- {
- gchar *url;
- url = g_strdup(_url);
- rd_index = 0;
- wr_index = 0;
- buffer_length = flac_cfg.stream.http_buffer_size * 1024;
- prebuffer_length = (buffer_length * flac_cfg.stream.http_prebuffer) / 100;
- buffer_read = 0;
- icy_metaint = 0;
- prebuffering = TRUE;
- going = TRUE;
- eof = FALSE;
- buffer = g_malloc(buffer_length);
- offset = _offset;
- pthread_create(&thread, NULL, http_buffer_loop, url);
- return 0;
- }
- char *flac_http_get_title(char *url)
- {
- if (icy_name)
- return g_strdup(icy_name);
- if (g_basename(url) && strlen(g_basename(url)) > 0)
- return g_strdup(g_basename(url));
- return g_strdup(url);
- }
- /* Start UDP Channel specific stuff */
- /* Find a good local udp port and bind udp_sock to it, return the port */
- static int udp_establish_listener(int *sock)
- {
- struct sockaddr_in sin;
- socklen_t sinlen = sizeof (struct sockaddr_in);
- #ifdef DEBUG_UDP
- fprintf (stderr,"Establishing udp listenern");
- #endif
- if ((*sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
- {
- g_log(NULL, G_LOG_LEVEL_CRITICAL,
- "udp_establish_listener(): unable to create socket");
- return -1;
- }
- memset(&sin, 0, sinlen);
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = g_htonl(INADDR_ANY);
- if (bind(*sock, (struct sockaddr *)&sin, sinlen) < 0)
- {
- g_log(NULL, G_LOG_LEVEL_CRITICAL,
- "udp_establish_listener(): Failed to bind socket to localhost: %s", strerror(errno));
- close(*sock);
- return -1;
- }
- if (fcntl(*sock, F_SETFL, O_NONBLOCK) < 0)
- {
- g_log(NULL, G_LOG_LEVEL_CRITICAL,
- "udp_establish_listener(): Failed to set flags: %s", strerror(errno));
- close(*sock);
- return -1;
- }
- memset(&sin, 0, sinlen);
- if (getsockname(*sock, (struct sockaddr *)&sin, &sinlen) < 0)
- {
- g_log(NULL, G_LOG_LEVEL_CRITICAL,
- "udp_establish_listener(): Failed to retrieve socket info: %s", strerror(errno));
- close(*sock);
- return -1;
- }
- #ifdef DEBUG_UDP
- fprintf (stderr,"Listening on local %s:%dn", inet_ntoa(sin.sin_addr), g_ntohs(sin.sin_port));
- #endif
- return g_ntohs(sin.sin_port);
- }
- static int udp_check_for_data(int sock)
- {
- char buf[1025], **lines;
- char *valptr;
- gchar *title;
- gint len, i;
- struct sockaddr_in from;
- socklen_t fromlen;
- fromlen = sizeof(struct sockaddr_in);
- if ((len = recvfrom(sock, buf, 1024, 0, (struct sockaddr *)&from, &fromlen)) < 0)
- {
- if (errno != EAGAIN)
- {
- g_log(NULL, G_LOG_LEVEL_CRITICAL,
- "udp_read_data(): Error reading from socket: %s", strerror(errno));
- return -1;
- }
- return 0;
- }
- buf[len] = ' ';
- #ifdef DEBUG_UDP
- fprintf (stderr,"Received: [%s]n", buf);
- #endif
- lines = g_strsplit(buf, "n", 0);
- if (!lines)
- return 0;
- for (i = 0; lines[i]; i++)
- {
- while ((lines[i][strlen(lines[i]) - 1] == 'n') ||
- (lines[i][strlen(lines[i]) - 1] == 'r'))
- lines[i][strlen(lines[i]) - 1] = ' ';
- valptr = strchr(lines[i], ':');
- if (!valptr)
- continue;
- else
- valptr++;
- g_strstrip(valptr);
- if (!strlen(valptr))
- continue;
- if (strstr(lines[i], "x-audiocast-streamtitle") != NULL)
- {
- title = g_strdup_printf ("%s (%s)", valptr, icy_name);
- if (going)
- set_track_info(title, -1);
- g_free (title);
- }
- #if 0
- else if (strstr(lines[i], "x-audiocast-streamlength") != NULL)
- {
- if (atoi(valptr) != -1)
- set_track_info(NULL, atoi(valptr));
- }
- #endif
- else if (strstr(lines[i], "x-audiocast-streammsg") != NULL)
- {
- /* set_track_info(title, -1); */
- /* xmms_show_message(_("Message"), valptr, _("Ok"), */
- /* FALSE, NULL, NULL); */
- g_message("Stream_message: %s", valptr);
- }
- #if 0
- /* Use this to direct your webbrowser.. yeah right.. */
- else if (strstr(lines[i], "x-audiocast-streamurl") != NULL)
- {
- if (lasturl && g_strcmp (valptr, lasturl))
- {
- c_message (stderr, "Song URL: %sn", valptr);
- g_free (lasturl);
- lasturl = g_strdup (valptr);
- }
- }
- #endif
- else if (strstr(lines[i], "x-audiocast-udpseqnr:") != NULL)
- {
- gchar obuf[60];
- sprintf(obuf, "x-audiocast-ack: %ld rn", atol(valptr));
- if (sendto(sock, obuf, strlen(obuf), 0, (struct sockaddr *) &from, fromlen) < 0)
- {
- g_log(NULL, G_LOG_LEVEL_WARNING,
- "udp_check_for_data(): Unable to send ack to server: %s", strerror(errno));
- }
- #ifdef DEBUG_UDP
- else
- fprintf(stderr,"Sent ack: %s", obuf);
- fprintf (stderr,"Remote: %s:%dn", inet_ntoa(from.sin_addr), g_ntohs(from.sin_port));
- #endif
- }
- }
- g_strfreev(lines);
- return 0;
- }