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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/webserver/httpd-cgi.c
+88 -80
View File
@@ -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