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revise some of the state handling in the previous commit.

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This commit is contained in:
Gregory Nutt 2017-06-26 18:16:05 -06:00
parent 342de81641
commit 9091716419
1 changed files with 10 additions and 16 deletions
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26
nshlib/nsh_telnetd.c
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@ -39,7 +39,6 @@
#include <nuttx/config.h>
#include <stdbool.h>
#include <stdio.h>
#include <assert.h>
#include <debug.h>
@ -64,12 +63,6 @@ enum telnetd_state_e
TELNETD_RUNNING
};
/****************************************************************************
* Private Data
****************************************************************************/
static enum telnetd_state_e g_telnetd_state;
/****************************************************************************
* Private Functions
****************************************************************************/
@ -83,9 +76,8 @@ static int nsh_telnetmain(int argc, char *argv[])
FAR struct console_stdio_s *pstate = nsh_newconsole();
FAR struct nsh_vtbl_s *vtbl;
DEBUGASSERT(pstate != NULL && g_telnetd_state == TELNETD_STARTED);
vtbl = &pstate->cn_vtbl;
g_telnetd_state = TELNETD_RUNNING;
DEBUGASSERT(pstate != NULL);
vtbl = &pstate->cn_vtbl;
_info("Session [%d] Started\n", getpid());
@ -95,7 +87,6 @@ static int nsh_telnetmain(int argc, char *argv[])
if (nsh_telnetlogin(pstate) != OK)
{
nsh_exit(vtbl, 1);
g_telnetd_state = TELNETD_NOTRUNNING;
return -1; /* nsh_exit does not return */
}
#endif /* CONFIG_NSH_TELNET_LOGIN */
@ -162,14 +153,12 @@ static int nsh_telnetmain(int argc, char *argv[])
{
fprintf(pstate->cn_outstream, g_fmtcmdfailed, "nsh_telnetmain",
"fgets", NSH_ERRNO);
g_telnetd_state = TELNETD_NOTRUNNING;
nsh_exit(vtbl, 1);
}
}
/* Clean up */
g_telnetd_state = TELNETD_NOTRUNNING;
nsh_exit(vtbl, 0);
/* We do not get here, but this is necessary to keep some compilers happy */
@ -201,9 +190,10 @@ static int nsh_telnetmain(int argc, char *argv[])
int nsh_telnetstart(void)
{
static enum telnetd_state_e state = TELNETD_NOTRUNNING;
int ret = OK;
if (g_telnetd_state == TELNETD_NOTRUNNING)
if (state == TELNETD_NOTRUNNING)
{
struct telnetd_config_s config;
@ -211,7 +201,7 @@ int nsh_telnetstart(void)
* start the Telnet daemon concurrently.
*/
g_telnetd_state = TELNETD_STARTED;
state = TELNETD_STARTED;
/* Initialize any USB tracing options that were requested. If
* standard console is also defined, then we will defer this step to
@ -239,7 +229,11 @@ int nsh_telnetstart(void)
if (ret < 0)
{
_err("ERROR: Failed to tart the Telnet daemon: %d\n", ret);
g_telnetd_state = TELNETD_NOTRUNNING;
state = TELNETD_NOTRUNNING;
}
else
{
state = TELNETD_RUNNING;
}
}