fs_cli: implement CLI prompt redrawing

The CLI prompt and any text-in-progress now stays cleanly below log
messages and other received output from FS.

This also implements hardcoded prompt coloring.
This commit is contained in:
Travis Cross 2011-09-22 07:57:06 +00:00
parent 244bb73f7c
commit a79f1f4202
1 changed files with 40 additions and 6 deletions

View File

@ -63,6 +63,8 @@ static int warn_stop = 0;
static int connected = 0;
static int allow_ctl_c = 0;
static char prompt_str[512] = "";
static char *prompt_color = ESL_SEQ_DEFAULT_COLOR;
static char *text_color = ESL_SEQ_DEFAULT_COLOR;
static cli_profile_t profiles[128] = {{{0}}};
static cli_profile_t internal_profile = {{ 0 }};
static int pcount = 0;
@ -557,6 +559,25 @@ static int stdout_writable(void)
#endif
}
static void clear_line(void)
{
const LineInfo *lf = el_line(el);
int len=(strlen(prompt_str) + (lf->lastchar - lf->buffer));
write(STDOUT_FILENO, "\r", 1);
for (; len>0; len--)
write(STDOUT_FILENO, " ", 1);
write(STDOUT_FILENO, "\r", 1);
return;
}
static void redisplay(void)
{
const LineInfo *lf = el_line(el);
write(STDOUT_FILENO, prompt_str, strlen(prompt_str));
write(STDOUT_FILENO, lf->buffer, (lf->lastchar - lf->buffer));
return;
}
static void *msg_thread_run(esl_thread_t *me, void *obj)
{
esl_handle_t *handle = (esl_handle_t *) obj;
@ -586,7 +607,11 @@ static void *msg_thread_run(esl_thread_t *me, void *obj)
level = atoi(lname);
}
#ifndef WIN32
if (aok) printf("%s%s%s", colors[level], handle->last_event->body, ESL_SEQ_DEFAULT_COLOR);
if (aok) {
clear_line();
printf("%s%s%s", colors[level], handle->last_event->body, ESL_SEQ_DEFAULT_COLOR);
redisplay();
}
#else
if (aok) {
SetConsoleTextAttribute(hStdout, colors[level]);
@ -600,7 +625,11 @@ static void *msg_thread_run(esl_thread_t *me, void *obj)
} else if (!strcasecmp(type, "text/event-plain")) {
char *s;
esl_event_serialize(handle->last_ievent, &s, ESL_FALSE);
if (aok) printf("RECV EVENT\n%s\n", s);
if (aok) {
clear_line();
printf("RECV EVENT\n%s\n", s);
redisplay();
}
free(s);
} else {
known = 0;
@ -611,12 +640,17 @@ static void *msg_thread_run(esl_thread_t *me, void *obj)
printf("INCOMING DATA [%s]\n%s\n", type, handle->last_event->body ? handle->last_event->body : "");
esl_event_serialize(handle->last_event, &s, ESL_FALSE);
printf("RECV EVENT\n%s\n", s);
redisplay();
free(s);
}
}
}
if (warn_stop) {
if (aok) printf("Type control-D or /exit or /quit or /bye to exit.\n\n");
if (aok) {
clear_line();
printf("Type control-D or /exit or /quit or /bye to exit.\n\n");
redisplay();
}
warn_stop = 0;
}
sleep_ms(1);
@ -1114,12 +1148,12 @@ int main(int argc, char *argv[])
esl_log(ESL_LOG_DEBUG, "Using profile %s [%s]\n", profile->name, profile->host);
if (argv_host) {
if (argv_port && profile->port != 8021) {
snprintf(prompt_str, sizeof(prompt_str), "freeswitch@%s:%u@%s> ", profile->host, profile->port, profile->name);
snprintf(prompt_str, sizeof(prompt_str), "%sfreeswitch@%s:%u@%s> %s", prompt_color, profile->host, profile->port, profile->name, text_color);
} else {
snprintf(prompt_str, sizeof(prompt_str), "freeswitch@%s@%s> ", profile->host, profile->name);
snprintf(prompt_str, sizeof(prompt_str), "%sfreeswitch@%s@%s> %s", prompt_color, profile->host, profile->name, text_color);
}
} else {
snprintf(prompt_str, sizeof(prompt_str), "freeswitch@%s> ", profile->name);
snprintf(prompt_str, sizeof(prompt_str), "%sfreeswitch@%s> %s", prompt_color, profile->name, text_color);
}
connect:
connected = 0;