#define INNDCOMMCHILD_ESTATUS_NONESUCH 27
#define MAX_LINE_FEEDFILE (NNTP_MSGID_MAXLEN + sizeof(TOKEN)*2 + 10)
+#define MAX_CONTROL_COMMAND 1000
#define VA va_list al; va_start(al,fmt)
#define PRINTF(f,a) __attribute__((__format__(printf,f,a)))
static InputFile *main_input_file, *flushing_input_file, *backlog_input_file;
static int sm_period_counter;
-/* control_init initialises */
-static int control_master;
-
/* initialisation to 0 is good */
static int until_connect, until_backlog_nextscan;
static double accept_proportion;
}
static int close_perhaps(int *fd) {
- if (!*fd) return 0;
+ if (*fd <= 0) return 0;
int r= close(*fd);
*fd=0;
return r;
if (r) sysdie("close %s%s",what,what2?what2:"");
}
static void xclose_perhaps(int *fd, const char *what, const char *what2) {
- if (!*fd) return;
+ if (*fd <= 0) return;
xclose(*fd,what,what2);
*fd=0;
}
return now;
}
+static void xsetnonblock(int fd, int nonblocking) {
+ int errnoval= oop_fd_nonblock(fd, nonblocking);
+ if (errnoval) { errno= errnoval; sysdie("setnonblocking"); }
+}
+
static void check_isreg(const struct stat *stab, const char *path,
const char *what) {
if (!S_ISREG(stab->st_mode))
/*========== command and control connections ==========*/
+static int control_master;
+
+typedef struct ControlConn ControlConn;
+struct ControlConn {
+ void (*destroy)(ControlConn*);
+ int fd;
+ oop_read *rd;
+ FILE *out;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_un un;
+ } sa;
+ socklen_t salen;
+};
+
+static const oop_rd_style control_rd_style= {
+ OOP_RD_DELIM_STRIP, '\n',
+ OOP_RD_NUL_FORBID,
+ OOP_RD_SHORTREC_FORBID
+};
+
+static void control_destroy(ControlConn *cc) {
+ cc->destroy(cc);
+}
+
+static void control_checkouterr(ControlConn *cc /* may destroy*/) {
+ if (ferror(cc->out) | fflush(cc->out)) {
+ info("CTRL%d write error %s", cc->fd, strerror(errno));
+ control_destroy(cc);
+ }
+}
+
+static void control_prompt(ControlConn *cc /* may destroy*/) {
+ fprintf(cc->out, "%s|", sitename);
+ control_checkouterr(cc);
+}
+
+typedef struct ControlCommand ControlCommand;
+struct ControlCommand {
+ const char *cmd;
+ void (*f)(ControlConn *cc, const ControlCommand *ccmd,
+ const char *arg, size_t argsz);
+};
+
+static const ControlCommand control_commands[];
+
+static void ccmd_help(ControlConn *cc, const ControlCommand *thisccmd,
+ const char *arg, size_t argsz) {
+ fputs("commands:\n", cc->out);
+ const ControlCommand *ccmd;
+ for (ccmd=control_commands; ccmd->cmd; ccmd++)
+ fprintf(cc->out, " %s\n", ccmd->cmd);
+}
+
+static const ControlCommand control_commands[]= {
+ { "h", ccmd_help },
+ { 0 }
+};
+
+static void *control_rd_ok(oop_source *lp, oop_read *oread, oop_rd_event ev,
+ const char *errmsg, int errnoval,
+ const char *data, size_t recsz, void *cc_v) {
+ ControlConn *cc= cc_v;
+
+ if (!data) {
+ info("CTRL%d closed", cc->fd);
+ cc->destroy(cc);
+ return OOP_CONTINUE;
+ }
+
+ if (recsz == 0) goto prompt;
+
+ const ControlCommand *ccmd;
+ for (ccmd=control_commands; ccmd->cmd; ccmd++) {
+ int l= strlen(ccmd->cmd);
+ if (recsz < l) continue;
+ if (recsz > l && data[l] != ' ') continue;
+ if (memcmp(data, ccmd->cmd, l)) continue;
+
+ int argl= (int)recsz - (l+1);
+ ccmd->f(cc, ccmd, argl>=0 ? data : 0, argl);
+ goto prompt;
+ }
+
+ fputs("unknown command; h for help\n", cc->out);
+
+ prompt:
+ control_prompt(cc);
+ return OOP_CONTINUE;
+}
+
+static void *control_rd_err(oop_source *lp, oop_read *oread, oop_rd_event ev,
+ const char *errmsg, int errnoval,
+ const char *data, size_t recsz, void *cc_v) {
+ ControlConn *cc= cc_v;
+
+ info("CTRL%d read error %s", cc->fd, errmsg);
+ cc->destroy(cc);
+ return OOP_CONTINUE;
+}
+
+static int control_conn_startup(ControlConn *cc /* may destroy*/,
+ const char *how) {
+ cc->rd= oop_rd_new_fd(loop, cc->fd, 0,0);
+ if (!cc->rd) { warn("oop_rd_new_fd control failed"); return -1; }
+
+ int er= oop_rd_read(cc->rd, &control_rd_style, MAX_CONTROL_COMMAND,
+ control_rd_ok, cc,
+ control_rd_err, cc);
+ if (er) { errno= er; syswarn("oop_rd_read control failed"); return -1; }
+
+ info("CTRL%d %s ready", cc->fd, how);
+ control_prompt(cc);
+ return 0;
+}
+
+static void control_stdio_destroy(ControlConn *cc) {
+ if (cc->rd) {
+ oop_rd_cancel(cc->rd);
+ errno= oop_rd_delete_tidy(cc->rd);
+ if (errno) syswarn("oop_rd_delete tidy failed (no-nonblock stdin?)");
+ }
+ free(cc);
+}
+
+static void control_stdio(void) {
+ ControlConn *cc= xmalloc(sizeof(*cc));
+ memset(cc,0,sizeof(*cc));
+ cc->destroy= control_stdio_destroy;
+
+ cc->fd= 0;
+ cc->out= stdout;
+ int r= control_conn_startup(cc,"stdio");
+ if (r) cc->destroy(cc);
+}
+
+static void control_accepted_destroy(ControlConn *cc) {
+ if (cc->rd) {
+ oop_rd_cancel(cc->rd);
+ oop_rd_delete_kill(cc->rd);
+ }
+ if (cc->out) { fclose(cc->out); cc->fd=0; }
+ close_perhaps(&cc->fd);
+ free(cc);
+}
+
+static void *control_master_readable(oop_source *lp, int master,
+ oop_event ev, void *u) {
+ ControlConn *cc= xmalloc(sizeof(*cc));
+ memset(cc,0,sizeof(*cc));
+ cc->destroy= control_accepted_destroy;
+
+ cc->salen= sizeof(cc->sa);
+ cc->fd= accept(master, &cc->sa.sa, &cc->salen);
+ if (cc->fd<0) { syswarn("error accepting control connection"); goto x; }
+
+ cc->out= fdopen(cc->fd, "w");
+ if (!cc->out) { syswarn("error fdopening accepted control conn"); goto x; }
+
+ int r= control_conn_startup(cc, "accepted");
+ if (r) goto x;
+
+ return OOP_CONTINUE;
+
+ x:
+ cc->destroy(cc);
+ return OOP_CONTINUE;
+}
+
#define NOCONTROL(...) do{ \
syswarn("no control socket, because failed to " __VA_ARGS__); \
goto nocontrol; \
r= listen(control_master, 5);
if (r) NOCONTROL("listen");
- //loop->on_fd(loop, control_master, OOP_READ, control_master_readable, 0);
+ xsetnonblock(control_master, 1);
+
+ loop->on_fd(loop, control_master, OOP_READ, control_master_readable, 0);
info("control socket ok, real path %s", sa.un.sun_path);
return;
loop->on_fd(loop, conn->fd, OOP_EXCEPTION, conn_exception, conn);
conn->rd= oop_rd_new_fd(loop,conn->fd, 0, 0); /* sets nonblocking, too */
- if (!conn->fd) sysdie("oop_rd_new_fd (fd=%d)",conn->fd);
+ if (!conn->fd) die("oop_rd_new_fd conn failed (fd=%d)",conn->fd);
int r= oop_rd_read(conn->rd, &peer_rd_style, NNTP_STRLEN,
&peer_rd_ok, conn,
&peer_rd_err, conn);
self_pid= getpid();
if (self_pid==-1) sysdie("getpid");
+ if (!become_daemon)
+ control_stdio();
+
statemc_lock();
notice("starting");