Hello
I have been developing a yahoomessenger chat client for nintendos handheld gaming console 'nintendo ds'.Till now i have finished laying out the user interface and wifi access via router.
I found the yahoo protocol in many places from a google search but i am unable to understand how to send the preliminary information
<------- 4B -------><------- 4B -------><---2B--->
+-------------------+-------------------+---------+
| Y M S G | version | pkt_len |
+---------+---------+---------+---------+---------+
| service | status | session_id |
+---------+-------------------+-------------------+
| |
: D A T A :
| 0 - 65535* |
+-------------------------------------------------+
i have the following code in my program.For ds dev i am using palib which has inbuilt socket commands which i am using.
i did the following but unsure if i am doing it right.So i came here with some hope that someone will know if i am doing something wrond
i tried running this simple sending a packet to yahoo server and print the incoming data but it seems i dont get data back ie nothing is being printed on the screenCode:// Includes
#include <PA9.h> // Include for PA_Lib
#define YAHOO_PAGER_HOST "scs.msg.yahoo.com"
#define YAHOO_PAGER_PORT 5050
#define y_version 9
#define YAHOO_SERVICE_AUTH 0x57
#define TEST_USERNAME "ramakrishna_rapur"
#define statav 0
struct /*structstuff*/ packet
{
char header[4];
int version;
short pkt_len; // String length
int service; // The operation for the packet
int status;
int session;
unsigned char data[65536];
};
packet StructToSend;
// Function: main()
int main(int argc, char ** argv)
{
PA_Init(); // Initializes PA_Lib
PA_InitVBL(); // Initializes a standard VBL
PA_InitText(1,0);
PA_InitText(0,0); //initialize text cretaion on bothscreens
PA_OutputSimpleText(1,5,5,"yahoo test 1.");//output sometext
PA_InitWifi(); //Initializes the wifi
//all this code is for connecting to a wifi router
PA_OutputSimpleText(1,10,21,"connecting via DHCP..");
int i;
Wifi_AutoConnect(); // request connect
while(1)
{
i=Wifi_AssocStatus(); // check status
if(i==ASSOCSTATUS_ASSOCIATED)
{
PA_OutputSimpleText(1,22,22,"connected!");
break;
}
if(i==ASSOCSTATUS_CANNOTCONNECT)
{
PA_OutputSimpleText(1,18,22,"disconnected!");
while(1);
break;
}
}
// trying to fill packet struct contents but unsure if its the right way
StructToSend.header[0]='Y';
StructToSend.header[1]='M';
StructToSend.header[2]='S';
StructToSend.header[3]='G';
StructToSend.version= y_version;
StructToSend.service= YAHOO_SERVICE_AUTH;
StructToSend.status= statav;
int sock; //declare socket
//initialize socket on y server on port 5050
PA_InitSocket(&sock,YAHOO_PAGER_HOST,YAHOO_PAGER_PORT,PA_NORMAL_TCP);
//send struct
send(sock,&StructToSend,256,0);
//receive date from y server
char buffer[256];
recv(sock,buffer,256,0);
// Infinite loop to keep the program running
while (1)
{
PA_OutputText(0, 12, 13, "%s", buffer);
PA_WaitForVBL();
}
return 0;
} // End of main()
