mirror of
https://github.com/apache/nuttx.git
synced 2026-06-07 17:33:08 +08:00
Implements basic TCP connection logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@326 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -52,6 +52,7 @@
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <string.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <net/uip/uip.h>
|
||||
#include <net/uip/resolv.h>
|
||||
|
||||
+31
-13
@@ -50,6 +50,7 @@
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <semaphore.h>
|
||||
#include <sys/socket.h>
|
||||
|
||||
#include <net/uip/uip.h>
|
||||
#include <net/uip/psock.h>
|
||||
@@ -260,17 +261,10 @@ void smtp_configure(void *handle, char *lhostname, void *server)
|
||||
int smtp_send(void *handle, char *to, char *cc, char *from, char *subject, char *msg, int msglen)
|
||||
{
|
||||
struct smtp_state *psmtp = (struct smtp_state *)handle;
|
||||
struct uip_conn *conn;
|
||||
struct sockaddr_in server;
|
||||
int sockfd;
|
||||
|
||||
/* This is the moral equivalent of socket() + bind(). It returns the
|
||||
* initialized connection structure
|
||||
*/
|
||||
|
||||
conn = uip_connect(&psmtp->smtpserver, HTONS(25));
|
||||
if (conn == NULL)
|
||||
{
|
||||
return ERROR;
|
||||
}
|
||||
/* Setup */
|
||||
|
||||
psmtp->connected = TRUE;
|
||||
psmtp->to = to;
|
||||
@@ -281,11 +275,35 @@ int smtp_send(void *handle, char *to, char *cc, char *from, char *subject, char
|
||||
psmtp->msglen = msglen;
|
||||
psmtp->result = OK;
|
||||
|
||||
/* Make this instance globally visible */
|
||||
/* Create a socket */
|
||||
|
||||
gpsmtp = psmtp;
|
||||
sockfd = socket(AF_INET, SOCK_STREAM, 0);
|
||||
if (sockfd < 0)
|
||||
{
|
||||
return ERROR;
|
||||
}
|
||||
|
||||
/* Initialized the psock structure inside the smtp state structure */
|
||||
/* Make this instance globally visible (we will get interrupts as
|
||||
* soon as we connect
|
||||
*/
|
||||
|
||||
gpsmtp = psmtp;
|
||||
|
||||
/* 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, &psmtp->smtpserver, sizeof(in_addr_t));
|
||||
server.sin_port = HTONS(25);
|
||||
|
||||
if (connect(sockfd, (struct sockaddr *)&server, sizeof(struct sockaddr_in)) < 0)
|
||||
{
|
||||
return ERROR;
|
||||
}
|
||||
|
||||
/* Initialize the psock structure inside the smtp state structure */
|
||||
|
||||
psock_init(&psmtp->psock, psmtp->buffer, SMTP_INPUT_BUFFER_SIZE);
|
||||
|
||||
|
||||
@@ -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)
|
||||
|
||||
@@ -39,21 +39,73 @@
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#define CONFIG_HTTPDCGI_FILESTATS 1
|
||||
#undef CONFIG_HTTPDCGI_DCPSTATS
|
||||
#define CONFIG_HTTPDCGI_NETSTATS 1
|
||||
|
||||
HTTPD_CGI_CALL(file, "file-stats", file_stats);
|
||||
#if CONFIG_HTTPDCGI_TCPSTATS
|
||||
HTTPD_CGI_CALL(tcp, "tcp-connections", tcp_stats);
|
||||
#endif
|
||||
HTTPD_CGI_CALL(net, "net-stats", net_stats);
|
||||
|
||||
#if 0 /* Revisit */
|
||||
static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, NULL };
|
||||
#else
|
||||
static const struct httpd_cgi_call *calls[] = {
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static
|
||||
void nullfunction(struct httpd_state *s, char *ptr)
|
||||
#ifdef CONFIG_HTTPDCGI_FILESTATS
|
||||
&file,
|
||||
#endif
|
||||
#ifdef CONFIG_HTTPDCGI_DCPSTATS
|
||||
&tcp,
|
||||
#endif
|
||||
#ifdef CONFIG_HTTPDCGI_NETSTATS
|
||||
&net,
|
||||
#endif
|
||||
NULL
|
||||
};
|
||||
#endif
|
||||
|
||||
static const char closed[] = /* "CLOSED",*/
|
||||
{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
|
||||
static const char syn_rcvd[] = /* "SYN-RCVD",*/
|
||||
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0};
|
||||
static const char syn_sent[] = /* "SYN-SENT",*/
|
||||
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0};
|
||||
static const char established[] = /* "ESTABLISHED",*/
|
||||
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0};
|
||||
static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
|
||||
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0};
|
||||
static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
|
||||
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0};
|
||||
static const char closing[] = /* "CLOSING",*/
|
||||
{0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0};
|
||||
static const char time_wait[] = /* "TIME-WAIT,"*/
|
||||
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0};
|
||||
static const char last_ack[] = /* "LAST-ACK"*/
|
||||
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0};
|
||||
|
||||
#if CONFIG_HTTPDCGI_TCPSTATS
|
||||
static const char *states[] =
|
||||
{
|
||||
closed,
|
||||
syn_rcvd,
|
||||
syn_sent,
|
||||
established,
|
||||
fin_wait_1,
|
||||
fin_wait_2,
|
||||
closing,
|
||||
time_wait,
|
||||
last_ack
|
||||
};
|
||||
#endif
|
||||
|
||||
static void nullfunction(struct httpd_state *s, char *ptr)
|
||||
{
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
httpd_cgifunction
|
||||
httpd_cgi(char *name)
|
||||
httpd_cgifunction httpd_cgi(char *name)
|
||||
{
|
||||
const struct httpd_cgi_call **f;
|
||||
|
||||
@@ -66,66 +118,26 @@ httpd_cgi(char *name)
|
||||
#warning REVISIT -- must wait to return
|
||||
return nullfunction;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static unsigned short
|
||||
generate_file_stats(void *arg)
|
||||
|
||||
#ifdef CONFIG_HTTPDCGI_FILESTATS
|
||||
static unsigned short generate_file_stats(void *arg)
|
||||
{
|
||||
char *f = (char *)arg;
|
||||
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, "%5u", httpd_fs_count(f));
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static
|
||||
void file_stats(struct httpd_state *s, char *ptr)
|
||||
|
||||
static void file_stats(struct httpd_state *s, char *ptr)
|
||||
{
|
||||
psock_generator_send(&s->sout, generate_file_stats, strchr(ptr, ' ') + 1);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static const char closed[] = /* "CLOSED",*/
|
||||
{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
|
||||
static const char syn_rcvd[] = /* "SYN-RCVD",*/
|
||||
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
|
||||
0x44, 0};
|
||||
static const char syn_sent[] = /* "SYN-SENT",*/
|
||||
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
|
||||
0x54, 0};
|
||||
static const char established[] = /* "ESTABLISHED",*/
|
||||
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48,
|
||||
0x45, 0x44, 0};
|
||||
static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
|
||||
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
|
||||
0x54, 0x2d, 0x31, 0};
|
||||
static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
|
||||
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
|
||||
0x54, 0x2d, 0x32, 0};
|
||||
static const char closing[] = /* "CLOSING",*/
|
||||
{0x43, 0x4c, 0x4f, 0x53, 0x49,
|
||||
0x4e, 0x47, 0};
|
||||
static const char time_wait[] = /* "TIME-WAIT,"*/
|
||||
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
|
||||
0x49, 0x54, 0};
|
||||
static const char last_ack[] = /* "LAST-ACK"*/
|
||||
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
|
||||
0x4b, 0};
|
||||
|
||||
static const char *states[] = {
|
||||
closed,
|
||||
syn_rcvd,
|
||||
syn_sent,
|
||||
established,
|
||||
fin_wait_1,
|
||||
fin_wait_2,
|
||||
closing,
|
||||
time_wait,
|
||||
last_ack};
|
||||
|
||||
|
||||
static unsigned short
|
||||
generate_tcp_stats(void *arg)
|
||||
#if CONFIG_HTTPDCGI_TCPSTATS
|
||||
static unsigned short generate_tcp_stats(void *arg)
|
||||
{
|
||||
struct uip_conn *conn;
|
||||
struct httpd_state *s = (struct httpd_state *)arg;
|
||||
|
||||
|
||||
conn = &uip_conns[s->count];
|
||||
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
|
||||
"<tr><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n",
|
||||
@@ -141,38 +153,34 @@ generate_tcp_stats(void *arg)
|
||||
(uip_outstanding(conn))? '*':' ',
|
||||
(uip_stopped(conn))? '!':' ');
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static
|
||||
void tcp_stats(struct httpd_state *s, char *ptr)
|
||||
{
|
||||
for(s->count = 0; s->count < UIP_CONNS; ++s->count) {
|
||||
if((uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) {
|
||||
psock_generator_send(&s->sout, generate_tcp_stats, s);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static unsigned short
|
||||
generate_net_stats(void *arg)
|
||||
static void tcp_stats(struct httpd_state *s, char *ptr)
|
||||
{
|
||||
for(s->count = 0; s->count < UIP_CONNS; ++s->count)
|
||||
{
|
||||
if((uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED)
|
||||
{
|
||||
psock_generator_send(&s->sout, generate_tcp_stats, s);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_HTTPDCGI_NETSTATS
|
||||
static unsigned short generate_net_stats(void *arg)
|
||||
{
|
||||
struct httpd_state *s = (struct httpd_state *)arg;
|
||||
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
|
||||
return snprintf((char*)uip_appdata, UIP_APPDATA_SIZE,
|
||||
"%5u\n", ((uip_stats_t *)&uip_stat)[s->count]);
|
||||
}
|
||||
|
||||
static
|
||||
void net_stats(struct httpd_state *s, char *ptr)
|
||||
static void net_stats(struct httpd_state *s, char *ptr)
|
||||
{
|
||||
#if UIP_STATISTICS
|
||||
|
||||
for(s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t);
|
||||
++s->count) {
|
||||
psock_generator_send(&s->sout, generate_net_stats, s);
|
||||
}
|
||||
|
||||
for(s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t); ++s->count)
|
||||
{
|
||||
psock_generator_send(&s->sout, generate_net_stats, s);
|
||||
}
|
||||
#endif /* UIP_STATISTICS */
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @} */
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user