rt-thread-official/bsp/stm32_radio/radio_list_update.c

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#include <rtgui/rtgui.h>
#include <rtgui/rtgui_system.h>
#include <stdio.h>
#include <stdlib.h>
#include <rtgui/widgets/view.h>
#include <rtgui/widgets/workbench.h>
#include <stm32f10x.h>
#include <rtthread.h>
#include <dfs_posix.h>
#include <lwip/sockets.h>
#include <lwip/netdb.h>
#include "http.h"
#include "player_bg.h"
/* */
#define RADIO_FN "/radio.pls"
#define RADIO_LIST_UPDATE_URL "http://radio.rt-thread.org/radio.pls"
/* */
/* */
extern int http_read_line( int socket, char * buffer, int size );
extern int http_is_error_header(char *mime_buf);
extern int http_resolve_address(struct sockaddr_in *server, const char * url, char *host_addr, char** request);
/* */
const char _radio_list_update_get[] = "GET %s HTTP/1.0\r\nHost: %s:%d\r\nUser-Agent: RT-Thread HTTP Agent\r\nConnection: close\r\n\r\n";
rt_mq_t update_radio_mq = RT_NULL;
static struct rtgui_view* update_radio_list_view = RT_NULL;
typedef enum
{
UPDATE_RAIDO_LIST_PROC,
UPDATE_RADIO_LIST_CONNECT_FAILED,
UPDATE_RADIO_LIST_SUCCEED,
} UPDATE_RADIO_LIST_STATE;
static UPDATE_RADIO_LIST_STATE update_radio_list_state;
int radio_list_update_servicer_connect(struct sockaddr_in* server, char* host_addr, const char* url)
{
int socket_handle;
int peer_handle;
int rc;
char mimeBuffer[256];
if((socket_handle = socket( PF_INET, SOCK_STREAM, IPPROTO_TCP )) < 0)
{
rt_kprintf( "RLUS: SOCKET FAILED\n" );
return -1;
}
peer_handle = connect( socket_handle, (struct sockaddr *) server, sizeof(*server));
if ( peer_handle < 0 )
{
closesocket(socket_handle);
rt_kprintf( "RLUS: CONNECT FAILED %i\n", peer_handle );
return -1;
}
{
char *buf;
rt_uint32_t length;
buf = rt_malloc (512);
if (*url)
length = rt_snprintf(buf, 512, _radio_list_update_get, url, host_addr, ntohs(server->sin_port));
else
length = rt_snprintf(buf, 512, _radio_list_update_get, "/", host_addr, ntohs(server->sin_port));
rc = send(peer_handle, buf, length, 0);
rt_kprintf("radio list update request:\n%s", buf);
/* release buffer */
rt_free(buf);
}
/* read the header information */
while ( 1 )
{
// read a line from the header information.
rc = http_read_line(peer_handle, mimeBuffer, 100);
rt_kprintf(">>%s", mimeBuffer);
if ( rc < 0 )
{
closesocket(peer_handle);
return rc;
}
// End of headers is a blank line. exit.
if (rc == 0) break;
if ((rc == 2) && (mimeBuffer[0] == '\r')) break;
if (strstr(mimeBuffer, "HTTP/1."))
{
rc = http_is_error_header(mimeBuffer);
if(rc)
{
rt_kprintf("HTTP: status code = %d!\n", rc);
closesocket(peer_handle);
return -rc;
}
}
if (strstr(mimeBuffer, "content-type:"))
{
/* check content-type */
if (strstr(mimeBuffer, "text/plain") == RT_NULL)
{
rt_kprintf("radio list update content is not text/plain.\n");
closesocket(peer_handle);
return -1;
}
}
if (strstr(mimeBuffer, "Content-Type:"))
{
/* check content-type */
if (strstr(mimeBuffer, "text/plain") == RT_NULL)
{
rt_kprintf("radio list update content is not text/plain.\n");
closesocket(peer_handle);
return -1;
}
}
}
return peer_handle;
}
int radio_list_update_servicer_session_open(char* url)
{
int peer_handle = -1;
struct sockaddr_in server;
char *request, host_addr[32];
if(http_resolve_address(&server, url, &host_addr[0], &request) != 0)
{
return -1;
}
rt_kprintf("connect to: %s...\n", host_addr);
if((peer_handle = radio_list_update_servicer_connect(&server, host_addr, request)) < 0)
{
rt_kprintf("radio list update: failed to connect to '%s'!\n", host_addr);
}
return peer_handle;
}
int update_radio_list(char* url)
{
char *buf = NULL;
int peer_handle = 0;
int fd;
int rc;
peer_handle = radio_list_update_servicer_session_open(url);
if(peer_handle < 0)
{
return -1;
}
fd = open(RADIO_FN, O_WRONLY | O_CREAT | O_TRUNC, 0);
if(fd < 0)
{
return -1;
}
buf = rt_malloc (512);
while ( 1 )
{
// read a line from the header information.
rc = http_read_line(peer_handle, buf, 100);
if ( rc < 0 ) break;
// End of headers is a blank line. exit.
if (rc == 0) break;
if ((rc == 2) && (buf[0] == '\r')) break;
rt_kprintf(">>%s", buf);
write(fd, buf, rc);
}
rt_free(buf);
closesocket(peer_handle);
if(close(fd) == 0)
{
rt_kprintf("Update radio list succeed \r\n");
}
return 0;
}
void update_radio_list_req(void)
{
struct player_request request;
extern rt_mq_t player_thread_mq;
char* ch = RT_NULL;
update_radio_list_state = UPDATE_RAIDO_LIST_PROC;
request.type = PLAYER_REQUEST_UPDATE_RADIO_LIST;
ch = strncpy(request.fn, RADIO_LIST_UPDATE_URL, strlen(RADIO_LIST_UPDATE_URL));
/* send to message queue */
rt_mq_send(update_radio_mq, (void*)&request, sizeof(struct player_request));
}
void update_radio_thread(void* parameter)
{
rt_err_t result;
struct player_request request;
rt_thread_t update_radio_list_thread;
while(1)
{
/* get request from message queue */
result = rt_mq_recv(update_radio_mq, (void*)&request,
sizeof(struct player_request), RT_WAITING_FOREVER);
if (result == RT_EOK)
{
switch (request.type)
{
case PLAYER_REQUEST_UPDATE_RADIO_LIST:
if ((strstr(request.fn, "http://") == request.fn ||
(strstr(request.fn, "HTTP://") == request.fn )))
{
struct rtgui_event_command ecmd;
if(update_radio_list(request.fn)==0)
{
update_radio_list_state = UPDATE_RADIO_LIST_SUCCEED;
}
else
{
update_radio_list_state = UPDATE_RADIO_LIST_CONNECT_FAILED;
}
RTGUI_EVENT_COMMAND_INIT(&ecmd);
ecmd.type = RTGUI_EVENT_PAINT;
ecmd.command_id = PLAYER_REQUEST_UPDATE_RADIO_LIST;
rtgui_thread_send(rt_thread_find("ply_ui"), &ecmd.parent, sizeof(ecmd));
}
break;
}
}
rt_mq_delete(update_radio_mq);
update_radio_mq = RT_NULL;
update_radio_list_thread = rt_thread_self();
rt_thread_delete(update_radio_list_thread);
}
}
void drawing_update_state_info(struct rtgui_widget* widget)
{
char* line;
struct rtgui_dc* dc;
struct rtgui_rect rect;
line = rtgui_malloc(256);
if (line == RT_NULL) return ;
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
{
rt_free(line);
return;
}
rtgui_widget_get_rect(widget, &rect);
/* fill background */
rtgui_dc_fill_rect(dc, &rect);
rect.y2 = rect.y1 + 18;
switch(update_radio_list_state)
{
case UPDATE_RAIDO_LIST_PROC:
sprintf(line, "<EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD><EFBFBD>µ<EFBFBD>̨<EFBFBD>б<EFBFBD>......");
break ;
case UPDATE_RADIO_LIST_CONNECT_FAILED:
sprintf(line, "<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD>̨<EFBFBD>б<EFBFBD>ʧ<EFBFBD><EFBFBD>,<2C><EFBFBD><EBB7B5>");
break;
case UPDATE_RADIO_LIST_SUCCEED:
sprintf(line, "<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD>̨<EFBFBD>б<EFBFBD><EFBFBD>ɹ<EFBFBD>,<2C><EFBFBD><EBB7B5>");
break;
}
rtgui_dc_draw_text(dc, line, &rect);
rtgui_dc_end_drawing(dc);
rtgui_free(line);
}
static rt_bool_t update_radio_list_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
switch (event->type)
{
case RTGUI_EVENT_COMMAND:
{
struct rtgui_event_command* ecmd = (struct rtgui_event_command*)event;
switch(ecmd->type)
{
case RTGUI_EVENT_PAINT:
drawing_update_state_info(widget);
return RT_FALSE;
}
return RT_FALSE;
}
case RTGUI_EVENT_PAINT:
{
drawing_update_state_info(widget);
return RT_FALSE;
}
case RTGUI_EVENT_KBD:
{
struct rtgui_event_kbd* ekbd;
ekbd = (struct rtgui_event_kbd*)event;
if (ekbd->type == RTGUI_KEYDOWN && ekbd->key == RTGUIK_RETURN)
{
rtgui_workbench_t* workbench;
workbench = RTGUI_WORKBENCH(RTGUI_WIDGET(update_radio_list_view)->parent);
rtgui_workbench_remove_view(workbench, update_radio_list_view);
rtgui_view_destroy(update_radio_list_view);
update_radio_list_view = RT_NULL;
}
}
return RT_FALSE;
}
/* use parent event handler */
return rtgui_view_event_handler(widget, event);
}
rtgui_view_t *update_radio_list_view_create(rtgui_workbench_t* workbench)
{
if (update_radio_list_view != RT_NULL)
{
rtgui_view_show(update_radio_list_view, RT_FALSE);
}
else
{
/* create a view */
update_radio_list_view = rtgui_view_create("update radio list Info");
/* set view event handler */
rtgui_widget_set_event_handler(RTGUI_WIDGET(update_radio_list_view), update_radio_list_view_event_handler);
/* this view can be focused */
RTGUI_WIDGET(update_radio_list_view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
/* add view to workbench */
rtgui_workbench_add_view(workbench, update_radio_list_view);
}
return update_radio_list_view;
}