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Implements basic TCP connection logic

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@326 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2007-09-02 21:58:35 +00:00
parent 7015014104
commit f47c8cb529
25 changed files with 1426 additions and 625 deletions
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netutils/webclient/webclient.c
+32 -12
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@@ -38,12 +38,13 @@
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: webclient.c,v 1.1.1.1 2007-08-26 23:07:05 patacongo Exp $
* $Id: webclient.c,v 1.2 2007-09-02 21:58:34 patacongo Exp $
*
*/
#include <sys/types.h>
#include <string.h>
#include <sys/socket.h>
#include <net/uip/uip.h>
#include <net/uip/resolv.h>
@@ -118,24 +119,43 @@ void webclient_close(void)
unsigned char webclient_get(char *host, uint16 port, char *file)
{
struct uip_conn *conn;
uip_ipaddr_t *ipaddr;
static uip_ipaddr_t addr;
struct sockaddr_in server;
int sockfd;
/* First check if the host is an IP address. */
ipaddr = &addr;
if (uiplib_ipaddrconv(host, (unsigned char *)addr) == 0) {
ipaddr = (uip_ipaddr_t *)resolv_lookup(host);
if (ipaddr == NULL) {
return 0;
}
ipaddr = &addr;
if (uiplib_ipaddrconv(host, (unsigned char *)addr) == 0)
{
ipaddr = (uip_ipaddr_t *)resolv_lookup(host);
if (ipaddr == NULL) {
return 0;
}
}
conn = uip_connect(ipaddr, htons(port));
/* Create a socket */
if (conn == NULL) {
return 0;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
{
return ERROR;
}
/* Connect to server. First we have to set some fields in the
* 'server' structure. The system will assign me an arbitrary
* local port that is not in use.
*/
server.sin_family = AF_INET;
memcpy(&server.sin_addr.s_addr, &host, sizeof(in_addr_t));
server.sin_port = htons(port);
if (connect(sockfd, (struct sockaddr *)&server, sizeof(struct sockaddr_in)) < 0)
{
return ERROR;
}
s.port = port;
@@ -143,7 +163,7 @@ unsigned char webclient_get(char *host, uint16 port, char *file)
strncpy(s.host, host, sizeof(s.host));
init_connection();
return 1;
return OK;
}
static char *copy_string(char *dest, const char *src, int len)