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Code cleanup of res_agi

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@74713 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.0
Joshua Colp 18 years ago
parent 21e30f9d7d
commit 48f166e87b
1 changed files with 81 additions and 111 deletions
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192
res/res_agi.c
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@ -126,30 +126,28 @@ static void agi_debug_cli(int fd, char *fmt, ...)
va_start(ap, fmt);
res = vasprintf(&stuff, fmt, ap);
va_end(ap);
if (res == -1) {
ast_log(LOG_ERROR, "Out of memory\n");
} else {
if (agidebug)
ast_verbose("AGI Tx >> %s\n", stuff);
ast_carefulwrite(fd, stuff, strlen(stuff), 100);
ast_free(stuff);
return;
}
if (agidebug)
ast_verbose("AGI Tx >> %s\n", stuff);
ast_carefulwrite(fd, stuff, strlen(stuff), 100);
ast_free(stuff);
}
/* launch_netscript: The fastagi handler.
FastAGI defaults to port 4573 */
static enum agi_result launch_netscript(char *agiurl, char *argv[], int *fds, int *efd, int *opid)
{
int s;
int flags;
int s, flags, res, port = AGI_PORT;
struct pollfd pfds[1];
char *host;
char *c; int port = AGI_PORT;
char *script="";
char *host, *c, *script = "";
struct sockaddr_in sin;
struct hostent *hp;
struct ast_hostent ahp;
int res;
/* agiusl is "agi://host.domain[:port][/script/name]" */
host = ast_strdupa(agiurl + 6); /* Remove agi:// */
@ -168,18 +166,15 @@ static enum agi_result launch_netscript(char *agiurl, char *argv[], int *fds, in
ast_log(LOG_WARNING, "AGI URI's don't support Enhanced AGI yet\n");
return -1;
}
hp = ast_gethostbyname(host, &ahp);
if (!hp) {
if (!(hp = ast_gethostbyname(host, &ahp))) {
ast_log(LOG_WARNING, "Unable to locate host '%s'\n", host);
return -1;
}
s = socket(AF_INET, SOCK_STREAM, 0);
if (s < 0) {
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno));
return -1;
}
flags = fcntl(s, F_GETFL);
if (flags < 0) {
if ((flags = fcntl(s, F_GETFL)) < 0) {
ast_log(LOG_WARNING, "Fcntl(F_GETFL) failed: %s\n", strerror(errno));
close(s);
return -1;
@ -236,12 +231,7 @@ static enum agi_result launch_netscript(char *agiurl, char *argv[], int *fds, in
static enum agi_result launch_script(char *script, char *argv[], int *fds, int *efd, int *opid)
{
char tmp[256];
int pid;
int toast[2];
int fromast[2];
int audio[2];
int x;
int res;
int pid, toast[2], fromast[2], audio[2], x, res;
sigset_t signal_set, old_set;
struct stat st;
@ -296,8 +286,7 @@ static enum agi_result launch_script(char *script, char *argv[], int *fds, int *
/* Block SIGHUP during the fork - prevents a race */
sigfillset(&signal_set);
pthread_sigmask(SIG_BLOCK, &signal_set, &old_set);
pid = fork();
if (pid < 0) {
if ((pid = fork()) < 0) {
ast_log(LOG_WARNING, "Failed to fork(): %s\n", strerror(errno));
pthread_sigmask(SIG_SETMASK, &old_set, NULL);
return AGI_RESULT_FAILURE;
@ -322,11 +311,10 @@ static enum agi_result launch_script(char *script, char *argv[], int *fds, int *
/* Redirect stdin and out, provide enhanced audio channel if desired */
dup2(fromast[0], STDIN_FILENO);
dup2(toast[1], STDOUT_FILENO);
if (efd) {
if (efd)
dup2(audio[0], STDERR_FILENO + 1);
} else {
else
close(STDERR_FILENO + 1);
}
/* Before we unblock our signals, return our trapped signals back to the defaults */
signal(SIGHUP, SIG_DFL);
@ -344,7 +332,7 @@ static enum agi_result launch_script(char *script, char *argv[], int *fds, int *
}
/* Close everything but stdin/out/error */
for (x=STDERR_FILENO + 2;x<1024;x++)
for (x = STDERR_FILENO + 2; x < 1024; x++)
close(x);
/* Execute script */
@ -360,9 +348,8 @@ static enum agi_result launch_script(char *script, char *argv[], int *fds, int *
ast_verbose(VERBOSE_PREFIX_3 "Launched AGI Script %s\n", script);
fds[0] = toast[0];
fds[1] = fromast[1];
if (efd) {
if (efd)
*efd = audio[1];
}
/* close what we're not using in the parent */
close(toast[1]);
close(fromast[0]);
@ -416,20 +403,20 @@ static void setup_env(struct ast_channel *chan, char *request, int fd, int enhan
static int handle_answer(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
res = 0;
if (chan->_state != AST_STATE_UP) {
/* Answer the chan */
int res = 0;
/* Answer the channel */
if (chan->_state != AST_STATE_UP)
res = ast_answer(chan);
}
fdprintf(agi->fd, "200 result=%d\n", res);
return (res >= 0) ? RESULT_SUCCESS : RESULT_FAILURE;
}
static int handle_waitfordigit(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int to;
int res, to;
if (argc != 4)
return RESULT_SHOWUSAGE;
if (sscanf(argv[3], "%d", &to) != 1)
@ -442,8 +429,10 @@ static int handle_waitfordigit(struct ast_channel *chan, AGI *agi, int argc, cha
static int handle_sendtext(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
if (argc != 3)
return RESULT_SHOWUSAGE;
/* At the moment, the parser (perhaps broken) returns with
the last argument PLUS the newline at the end of the input
buffer. This probably needs to be fixed, but I wont do that
@ -459,8 +448,10 @@ static int handle_sendtext(struct ast_channel *chan, AGI *agi, int argc, char *a
static int handle_recvchar(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
if (argc != 3)
return RESULT_SHOWUSAGE;
res = ast_recvchar(chan,atoi(argv[2]));
if (res == 0) {
fdprintf(agi->fd, "200 result=%d (timeout)\n", res);
@ -482,6 +473,7 @@ static int handle_recvtext(struct ast_channel *chan, AGI *agi, int argc, char *a
if (argc != 3)
return RESULT_SHOWUSAGE;
buf = ast_recvtext(chan,atoi(argv[2]));
if (buf) {
fdprintf(agi->fd, "200 result=1 (%s)\n", buf);
@ -494,9 +486,11 @@ static int handle_recvtext(struct ast_channel *chan, AGI *agi, int argc, char *a
static int handle_tddmode(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res,x;
int res, x;
if (argc != 3)
return RESULT_SHOWUSAGE;
if (!strncasecmp(argv[2],"on",2))
x = 1;
else
@ -516,8 +510,10 @@ static int handle_tddmode(struct ast_channel *chan, AGI *agi, int argc, char *ar
static int handle_sendimage(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
if (argc != 3)
return RESULT_SHOWUSAGE;
res = ast_send_image(chan, argv[2]);
if (!ast_check_hangup(chan))
res = 0;
@ -527,12 +523,8 @@ static int handle_sendimage(struct ast_channel *chan, AGI *agi, int argc, char *
static int handle_controlstreamfile(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res = 0;
int skipms = 3000;
char *fwd = NULL;
char *rev = NULL;
char *pause = NULL;
char *stop = NULL;
int res = 0, skipms = 3000;
char *fwd = NULL, *rev = NULL, *pause = NULL, *stop = NULL;
if (argc < 5 || argc > 9)
return RESULT_SHOWUSAGE;
@ -569,12 +561,9 @@ static int handle_controlstreamfile(struct ast_channel *chan, AGI *agi, int argc
static int handle_streamfile(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int vres;
struct ast_filestream *fs;
struct ast_filestream *vfs;
long sample_offset = 0;
long max_length;
int res, vres;
struct ast_filestream *fs, *vfs;
long sample_offset = 0, max_length;
char *edigits = "";
if (argc < 4 || argc > 5)
@ -585,10 +574,8 @@ static int handle_streamfile(struct ast_channel *chan, AGI *agi, int argc, char
if ((argc > 4) && (sscanf(argv[4], "%ld", &sample_offset) != 1))
return RESULT_SHOWUSAGE;
fs = ast_openstream(chan, argv[2], chan->language);
if (!fs) {
if (!(fs = ast_openstream(chan, argv[2], chan->language))) {
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", 0, sample_offset);
return RESULT_SUCCESS;
}
@ -624,12 +611,9 @@ static int handle_streamfile(struct ast_channel *chan, AGI *agi, int argc, char
/* get option - really similar to the handle_streamfile, but with a timeout */
static int handle_getoption(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int vres;
struct ast_filestream *fs;
struct ast_filestream *vfs;
long sample_offset = 0;
long max_length;
int res, vres;
struct ast_filestream *fs, *vfs;
long sample_offset = 0, max_length;
int timeout = 0;
char *edigits = "";
@ -646,8 +630,7 @@ static int handle_getoption(struct ast_channel *chan, AGI *agi, int argc, char *
timeout = chan->pbx->dtimeout * 1000; /* in msec */
}
fs = ast_openstream(chan, argv[2], chan->language);
if (!fs) {
if (!(fs = ast_openstream(chan, argv[2], chan->language))) {
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", 0, sample_offset);
ast_log(LOG_WARNING, "Unable to open %s\n", argv[2]);
return RESULT_SUCCESS;
@ -697,8 +680,8 @@ static int handle_getoption(struct ast_channel *chan, AGI *agi, int argc, char *
/* While waiting, we're sending a NULL. */
static int handle_saynumber(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int num;
int res, num;
if (argc < 4 || argc > 5)
return RESULT_SHOWUSAGE;
if (sscanf(argv[2], "%d", &num) != 1)
@ -712,8 +695,7 @@ static int handle_saynumber(struct ast_channel *chan, AGI *agi, int argc, char *
static int handle_saydigits(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int num;
int res, num;
if (argc != 4)
return RESULT_SHOWUSAGE;
@ -743,8 +725,8 @@ static int handle_sayalpha(struct ast_channel *chan, AGI *agi, int argc, char *a
static int handle_saydate(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int num;
int res, num;
if (argc != 4)
return RESULT_SHOWUSAGE;
if (sscanf(argv[2], "%d", &num) != 1)
@ -758,8 +740,8 @@ static int handle_saydate(struct ast_channel *chan, AGI *agi, int argc, char *ar
static int handle_saytime(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int num;
int res, num;
if (argc != 4)
return RESULT_SHOWUSAGE;
if (sscanf(argv[2], "%d", &num) != 1)
@ -773,9 +755,9 @@ static int handle_saytime(struct ast_channel *chan, AGI *agi, int argc, char *ar
static int handle_saydatetime(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res=0;
int res = 0;
time_t unixtime;
char *format, *zone=NULL;
char *format, *zone = NULL;
if (argc < 4)
return RESULT_SHOWUSAGE;
@ -821,10 +803,8 @@ static int handle_sayphonetic(struct ast_channel *chan, AGI *agi, int argc, char
static int handle_getdata(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
{
int res;
int res, max, timeout;
char data[1024];
int max;
int timeout;
if (argc < 3)
return RESULT_SHOWUSAGE;
@ -870,6 +850,7 @@ static int handle_setextension(struct ast_channel *chan, AGI *agi, int argc, cha
static int handle_setpriority(struct ast_channel *chan, AGI *agi, int argc, char **argv)
{
int pri;
if (argc != 3)
return RESULT_SHOWUSAGE;
@ -1081,6 +1062,7 @@ static int handle_autohangup(struct ast_channel *chan, AGI *agi, int argc, char
static int handle_hangup(struct ast_channel *chan, AGI *agi, int argc, char **argv)
{
struct ast_channel *c;
if (argc == 1) {
/* no argument: hangup the current channel */
ast_softhangup(chan,AST_SOFTHANGUP_EXPLICIT);
@ -1115,9 +1097,7 @@ static int handle_exec(struct ast_channel *chan, AGI *agi, int argc, char **argv
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "AGI Script Executing Application: (%s) Options: (%s)\n", argv[1], argv[2]);
app = pbx_findapp(argv[1]);
if (app) {
if ((app = pbx_findapp(argv[1]))) {
res = pbx_exec(chan, app, argv[2]);
} else {
ast_log(LOG_WARNING, "Could not find application (%s)\n", argv[1]);
@ -1303,6 +1283,7 @@ static int handle_dbdel(struct ast_channel *chan, AGI *agi, int argc, char **arg
static int handle_dbdeltree(struct ast_channel *chan, AGI *agi, int argc, char **argv)
{
int res;
if ((argc < 3) || (argc > 4))
return RESULT_SHOWUSAGE;
if (argc == 4)
@ -1652,13 +1633,14 @@ static agi_command commands[MAX_COMMANDS] = {
static int help_workhorse(int fd, char *match[])
{
char fullcmd[80];
char matchstr[80];
char fullcmd[80], matchstr[80];
int x;
struct agi_command *e;
if (match)
ast_join(matchstr, sizeof(matchstr), match);
for (x=0;x<sizeof(commands)/sizeof(commands[0]);x++) {
for (x = 0; x < sizeof(commands) / sizeof(commands[0]); x++) {
e = &commands[x];
if (!e->cmda[0])
break;
@ -1676,13 +1658,14 @@ static int help_workhorse(int fd, char *match[])
int ast_agi_register(agi_command *agi)
{
int x;
for (x=0; x<MAX_COMMANDS - 1; x++) {
for (x = 0; x < MAX_COMMANDS - 1; x++) {
if (commands[x].cmda[0] == agi->cmda[0]) {
ast_log(LOG_WARNING, "Command already registered!\n");
return -1;
}
}
for (x=0; x<MAX_COMMANDS - 1; x++) {
for (x = 0; x < MAX_COMMANDS - 1; x++) {
if (!commands[x].cmda[0]) {
commands[x] = *agi;
return 0;
@ -1695,7 +1678,7 @@ int ast_agi_register(agi_command *agi)
void ast_agi_unregister(agi_command *agi)
{
int x;
for (x=0; x<MAX_COMMANDS - 1; x++) {
for (x = 0; x < MAX_COMMANDS - 1; x++) {
if (commands[x].cmda[0] == agi->cmda[0]) {
memset(&commands[x], 0, sizeof(agi_command));
}
@ -1704,16 +1687,14 @@ void ast_agi_unregister(agi_command *agi)
static agi_command *find_command(char *cmds[], int exact)
{
int x;
int y;
int match;
int x, y, match;
for (x=0; x < sizeof(commands) / sizeof(commands[0]); x++) {
for (x = 0; x < sizeof(commands) / sizeof(commands[0]); x++) {
if (!commands[x].cmda[0])
break;
/* start optimistic */
match = 1;
for (y=0; match && cmds[y]; y++) {
for (y = 0; match && cmds[y]; y++) {
/* If there are no more words in the command (and we're looking for
an exact match) or there is a difference between the two words,
then this is not a match */
@ -1738,10 +1719,7 @@ static agi_command *find_command(char *cmds[], int exact)
static int parse_args(char *s, int *max, char *argv[])
{
int x=0;
int quoted=0;
int escaped=0;
int whitespace=1;
int x = 0, quoted = 0, escaped = 0, whitespace = 1;
char *cur;
cur = s;
@ -1805,13 +1783,11 @@ normal:
static int agi_handle_command(struct ast_channel *chan, AGI *agi, char *buf)
{
char *argv[MAX_ARGS];
int argc = MAX_ARGS;
int res;
int argc = MAX_ARGS, res;
agi_command *c;
parse_args(buf, &argc, argv);
c = find_command(argv, 0);
if (c) {
if ((c = find_command(argv, 0))) {
res = c->handler(chan, agi, argc, argv);
switch(res) {
case RESULT_SHOWUSAGE:
@ -1837,8 +1813,7 @@ static int agi_handle_command(struct ast_channel *chan, AGI *agi, char *buf)
static enum agi_result run_agi(struct ast_channel *chan, char *request, AGI *agi, int pid, int *status, int dead, int argc, char *argv[])
{
struct ast_channel *c;
int outfd;
int ms;
int outfd, ms;
enum agi_result returnstatus = AGI_RESULT_SUCCESS;
struct ast_frame *f;
char buf[2048];
@ -1923,8 +1898,10 @@ static int handle_showagi(int fd, int argc, char *argv[])
{
struct agi_command *e;
char fullcmd[80];
if ((argc < 2))
return RESULT_SHOWUSAGE;
if (argc > 2) {
e = find_command(argv + 2, 1);
if (e)
@ -1995,7 +1972,7 @@ static int handle_agidumphtml(int fd, int argc, char *argv[])
fprintf(htmlfile, "<TABLE BORDER=\"0\" CELLSPACING=\"10\">\n");
for (x=0;x<sizeof(commands)/sizeof(commands[0]);x++) {
for (x = 0; x < sizeof(commands) / sizeof(commands[0]); x++) {
char *stringp, *tempstr;
e = &commands[x];
@ -2037,14 +2014,8 @@ static int agi_exec_full(struct ast_channel *chan, void *data, int enhanced, int
{
enum agi_result res;
struct ast_module_user *u;
char *argv[MAX_ARGS];
char buf[2048]="";
char *tmp = buf;
int argc = 0;
int fds[2];
int efd = -1;
int pid;
char *stringp;
char *argv[MAX_ARGS], buf[2048] = "", *tmp = buf, *stringp;
int argc = 0, fds[2], efd = -1, pid;
AGI agi;
if (ast_strlen_zero(data)) {
@ -2113,8 +2084,7 @@ static int agi_exec(struct ast_channel *chan, void *data)
static int eagi_exec(struct ast_channel *chan, void *data)
{
int readformat;
int res;
int readformat, res;
if (chan->_softhangup)
ast_log(LOG_WARNING, "If you want to run AGI on hungup channels you should use DeadAGI!\n");

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