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Full Discussion: C - HTTP Socket Programming
Top Forums Programming C - HTTP Socket Programming Post 302307082 by kev_1234 on Tuesday 14th of April 2009 02:15:53 PM
Old 04-14-2009
[quote]
Quote:
Originally Posted by Corona688
Code:
#include <netdb.h>
...
    echoServAddr.sin_family      = AF_INET;             /* Internet address family */
    {
      struct in_addr a;
      struct hostent *h=gethostbyname(servIP);
      if(h == NULL)
        DieWithError("Unknown host");

      memcpy(&a, h->h_addr_list[0], sizeof(a));

      servIP=inet_ntoa(a);
    }
    echoServAddr.sin_addr.s_addr = inet_addr(servIP);   /* Server IP address */
...

After that I can already get limited output from web pages:
Code:
$ ./client mywebsite 'GET /
' 80
Received: 
<!-- Beginning of page_begin() output -->
<html><head>
  <titl
$

Notice the newline at the end of 'GET /', that is necessary.
Oh no I understand clearly what you mean by teaching/learning.....Smilie

The code you gave me earlier is exactly what I am after.......but I would like to extract all the information in the index.html..etc file in html format.

The purely reason for this is to understand how C sockets is able to extract
the dataSmilie
Quote:

Yes, I understand that's what you want to do, I'm wondering what's the sticking point in doing so. Are you having trouble figuring out where in the program logic these things need to be put? Are you trying to figure out how to accept a parameter on the command line? Are the finer points of printf a problem? Or am I off the mark and you need some other information? As is you're asking me to do everything and the idea is to teach...
 

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csx_RequestSocketMask(9F)				   Kernel Functions for Drivers 				 csx_RequestSocketMask(9F)

NAME
csx_RequestSocketMask, csx_ReleaseSocketMask - set or clear the client's client event mask SYNOPSIS
#include <sys/pccard.h> int32_t csx_RequestSocketMask(client_handle_t ch, request_socket_mask_t *sm); int32_t csx_ReleaseSocketMask(client_handle_t ch, release_socket_mask_t *rm); INTERFACE LEVEL
Solaris DDI Specific (Solaris DDI) PARAMETERS
ch Client handle returned from csx_RegisterClient(9F). sm Pointer to a request_socket_mask_t structure. rm Pointer to a release_socket_mask_t structure. DESCRIPTION
The function csx_RequestSocketMask() sets the client's client event mask and enables the client to start receiving events at its event callback handler. Once this function returns successfully, the client can start receiving events at its event callback handler. Any pending events generated from the call to csx_RegisterClient(9F) will be delivered to the client after this call as well. This allows the client to set up the event handler mutexes before the event handler gets called. csx_RequestSocketMask() must be used before calling csx_GetEventMask(9F) or csx_SetEventMask(9F) for the client event mask for this socket. The function csx_ReleaseSocketMask() clears the client's client event mask. STRUCTURE MEMBERS
The structure members of request_socket_mask_t are: uint32_t Socket; /* socket number */ uint32_t EventMask; /* event mask to set or return */ The structure members of release_socket_mask_t are: uint32_t Socket; /* socket number */ The fields are defined as follows: Socket Not used in Solaris, but for portability with other Card Services implementations, it should be set to the logical socket number. EventMask This field is bit-mapped. Card Services performs event notification based on this field. See csx_event_handler(9E) for valid event definitions and for additional information about handling events. RETURN VALUES
CS_SUCCESS Successful operation. CS_BAD_HANDLE Client handle is invalid. CS_IN_USE csx_ReleaseSocketMask() has not been done. CS_BAD_SOCKET csx_RequestSocketMask() has not been done. CS_UNSUPPORTED_FUNCTION No PCMCIA hardware installed. CONTEXT
These functions may be called from user or kernel context. SEE ALSO
csx_event_handler(9E), csx_GetEventMask(9F), csx_RegisterClient(9F), csx_SetEventMask(9F) PC Card 95 Standard, PCMCIA/JEIDA SunOS 5.10 19 Jul 1996 csx_RequestSocketMask(9F)
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