/*
* todo
- * - actually do something with readable on control master
- * - option for realsockdir
+ * - abolish xk_Malloc
+ * - rename sm_period_counter as it's just about flushes
* - manpage: document control master stuff
- * - manpage: innconf is used for communicating with innd
- * - debug this:
- * build-lfs/backends/innduct --no-daemon -f `pwd`/fee sit dom
+ *
+ * debugging rune:
+ * build-lfs/backends/innduct --connection-timeout=30 --no-daemon -C ../inn.conf -f `pwd`/fee sit localhost
*/
/*
#include <glob.h>
#include <time.h>
#include <math.h>
+#include <ctype.h>
#include <oop.h>
#include <oop-read.h>
#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)))
#define NORET_PRINTF(f,a) __attribute__((__noreturn__,__format__(printf,f,a)))
+#define NORET __attribute__((__noreturn__))
+
+#define NEW(ptr) ((ptr)= zxmalloc(sizeof(*(ptr))))
+#define NEW_DECL(type,ptr) type ptr = zxmalloc(sizeof(*(ptr)))
+
+#define DUMPV(fmt,pfx,v) fprintf(f, " " #v "=" fmt, pfx v);
+
+#define FOR_CONN(conn) \
+ for ((conn)=LIST_HEAD(conns); (conn); (conn)=LIST_NEXT((conn)))
/*----- doubly linked lists -----*/
int count; \
} T##List
-#define NODE(n) (assert((void*)&(n)->list_node == &(n)), &(n)->list_node)
+#define NODE(n) (assert((void*)&(n)->list_node == (n)), &(n)->list_node)
#define LIST_CHECKCANHAVENODE(l,n) \
((void)((n) == ((l).u.for_type))) /* just for the type check */
#define LIST_REMHEAD(l) LIST_REMSOMEHOW((l),list_remhead)
#define LIST_REMTAIL(l) LIST_REMSOMEHOW((l),list_remtail)
-#define LIST_INIT(l) (list_new(&(l).u.li))
+#define LIST_INIT(l) ((l).count=0, list_new(&(l).u.li))
#define LIST_HEAD(l) ((typeof((l).u.for_type))(list_head((struct list*)&(l))))
#define LIST_NEXT(n) ((typeof(n))list_succ(NODE((n))))
#define LIST_BACK(n) ((typeof(n))list_pred(NODE((n))))
typedef struct XmitDetails XmitDetails;
typedef struct Filemon_Perfile Filemon_Perfile;
typedef enum StateMachineState StateMachineState;
+typedef struct ControlCommand ControlCommand;
DEFLIST(Conn);
DEFLIST(Article);
static void statemc_start_flush(const char *why); /* Normal => Flushing */
static void spawn_inndcomm_flush(const char *why); /* Moved => Flushing */
+static int trigger_flush_ok(void); /* => Flushing,FLUSHING, ret 1; or ret 0 */
+
+static void article_done(Conn *conn, Article *art, int whichcount);
static void check_assign_articles(void);
static void queue_check_input_done(void);
static void statemc_check_backlog_done(void);
static void postfork(void);
+static void period(void);
static void open_defer(void);
static void close_defer(void);
static void search_backlog_file(void);
+static void preterminate(void);
+static void raise_default(int signo) NORET;
+static char *debug_report_ipf(InputFile *ipf);
static void inputfile_reading_start(InputFile *ipf);
static void inputfile_reading_stop(InputFile *ipf);
static const char *sitename, *remote_host;
static const char *feedfile, *realsockdir="/tmp/innduct.control";
static int quiet_multiple=0;
-static int become_daemon=1;
+static int become_daemon=1, try_filemon=1;
static int try_stream=1;
static int port=119;
static const char *inndconffile;
static int max_queue_per_conn=200;
static int target_max_feedfile_size=100000;
static int period_seconds=60;
+static int filepoll_seconds=5;
static int connection_setup_timeout=200;
static int inndcomm_flush_timeout=100;
art_Unchecked, /* not checked, not sent checking */
art_Wanted, /* checked, wanted sent body as requested */
art_Unsolicited, /* - sent body without check */
- art_MaxState
+ art_MaxState,
} ArtState;
+static const char *const artstate_names[]=
+ { "Unchecked", "Wanted", "Unsolicited", 0 };
+
#define RESULT_COUNTS(RCS,RCN) \
RCS(sent) \
RCS(accepted) \
RCN(unwanted) \
RCN(rejected) \
RCN(deferred) \
+ RCN(missing) \
RCN(connretry)
-#define RCI_TRIPLE_FMT_BASE "%d(id%d+bd%d+nc%d)"
+#define RCI_TRIPLE_FMT_BASE "%d (id=%d,bod=%d,nc=%d)"
#define RCI_TRIPLE_VALS_BASE(counts,x) \
counts[art_Unchecked] x \
+ counts[art_Wanted] x \
struct Article {
ISNODE(Article);
ArtState state;
- int midlen;
+ int midlen, missing;
InputFile *ipf;
TOKEN token;
off_t offset;
static oop_source *loop;
static ConnList conns;
static ArticleList queue;
-static char *path_lock, *path_flushing, *path_defer, *path_control;
+static char *path_lock, *path_flushing, *path_defer;
+static char *path_control, *path_dump;
static char *globpat_backlog;
static pid_t self_pid;
/* statemc_init initialises */
static StateMachineState sms;
-static FILE *defer;
-static InputFile *main_input_file, *flushing_input_file, *backlog_input_file;
static int sm_period_counter;
-
-/* control_init initialises */
-static int control_master;
+static InputFile *main_input_file, *flushing_input_file, *backlog_input_file;
+static FILE *defer;
/* initialisation to 0 is good */
static int until_connect, until_backlog_nextscan;
static double accept_proportion;
-static int nocheck, nocheck_reported;
+static int nocheck, nocheck_reported, in_child;
+
+/* for simulation, debugging, etc. */
+int simulate_flush= -1;
/*========== logging ==========*/
#define diewrap(fn, pfx, sysloglevel, err, estatus) \
static void fn(const char *fmt, ...) NORET_PRINTF(1,2); \
static void fn(const char *fmt, ...) { \
+ preterminate(); \
VA; \
logv(sysloglevel, pfx, err, fmt, al); \
exit(estatus); \
}
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;
}
int r= kill(*pid, SIGKILL);
if (r) sysdie("cannot kill %s child", what);
- pid_t got= waitpid(*pid, &status, WNOHANG);
+ pid_t got= waitpid(*pid, &status, 0);
if (got==-1) sysdie("cannot reap %s child", what);
+ if (got==0) die("cannot reap %s child", what);
*pid= 0;
return status;
}
+static void *zxmalloc(size_t sz) {
+ void *p= xmalloc(sz);
+ memset(p,0,sz);
+ return p;
+}
+
static void xunlink(const char *path, const char *what) {
int r= unlink(path);
if (r) sysdie("can't unlink %s %s", path, what);
return now;
}
+static void xsigaction(int signo, const struct sigaction *sa) {
+ int r= sigaction(signo,sa,0);
+ if (r) sysdie("sigaction failed for \"%s\"", strsignal(signo));
+}
+
+static void xsigsetdefault(int signo) {
+ struct sigaction sa;
+ memset(&sa,0,sizeof(sa));
+ sa.sa_handler= SIG_DFL;
+ xsigaction(signo,&sa);
+}
+
+static void xgettimeofday(struct timeval *tv_r) {
+ int r= gettimeofday(tv_r,0);
+ if (r) sysdie("gettimeofday(2) failed");
+}
+
+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))
a->st_dev == b->st_dev);
}
-static char *sanitise(const char *input) {
+static char *sanitise(const char *input, int len) {
static char sanibuf[100]; /* returns pointer to this buffer! */
const char *p= input;
+ const char *endp= len>=0 ? input+len : 0;
char *q= sanibuf;
*q++= '`';
for (;;) {
if (q > sanibuf+sizeof(sanibuf)-8) { strcpy(q,"'.."); break; }
- int c= *p++;
+ int c= (!endp || p<endp) ? *p++ : 0;
if (!c) { *q++= '\''; *q=0; break; }
if (c>=' ' && c<=126 && c!='\\') { *q++= c; continue; }
sprintf(q,"\\x%02x",c);
return errnoval==EWOULDBLOCK || errnoval==EAGAIN;
}
-
/*========== 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);
+}
+
+struct ControlCommand {
+ const char *cmd;
+ void (*f)(ControlConn *cc, const ControlCommand *ccmd,
+ const char *arg, size_t argsz);
+ void *xdata;
+ int xval;
+};
+
+static const ControlCommand control_commands[];
+
+#define CCMD(wh) \
+ static void ccmd_##wh(ControlConn *cc, const ControlCommand *c, \
+ const char *arg, size_t argsz)
+
+CCMD(help) {
+ fputs("commands:\n", cc->out);
+ const ControlCommand *ccmd;
+ for (ccmd=control_commands; ccmd->cmd; ccmd++)
+ fprintf(cc->out, " %s\n", ccmd->cmd);
+}
+
+CCMD(flush) {
+ int ok= trigger_flush_ok();
+ if (!ok) fprintf(cc->out,"already flushing (state is %s)\n", sms_names[sms]);
+}
+
+CCMD(stop) {
+ preterminate();
+ notice("terminating (CTRL%d)",cc->fd);
+ raise_default(SIGTERM);
+ abort();
+}
+
+CCMD(dump);
+
+/* messing with our head: */
+CCMD(period) { period(); }
+CCMD(setintarg) { *(int*)c->xdata= atoi(arg); }
+CCMD(setint) { *(int*)c->xdata= c->xval; }
+CCMD(setint_period) { *(int*)c->xdata= c->xval; period(); }
+
+static const ControlCommand control_commands[]= {
+ { "h", ccmd_help },
+ { "flush", ccmd_flush },
+ { "stop", ccmd_stop },
+ { "dump q", ccmd_dump, 0,0 },
+ { "dump a", ccmd_dump, 0,1 },
+
+ { "p", ccmd_period },
+
+#define POKES(cmd,func) \
+ { cmd "sm", func, &sm_period_counter, 1 }, \
+ { cmd "conn", func, &until_connect, 0 }, \
+ { cmd "blscan", func, &until_backlog_nextscan, 0 },
+POKES("prod ", ccmd_setint_period)
+POKES("next ", ccmd_setint)
+
+ { "pretend flush", ccmd_setintarg, &simulate_flush },
+ { "wedge blscan", ccmd_setint, &until_backlog_nextscan, -1 },
+ { 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+l+1 : 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) {
+ NEW_DECL(ControlConn *,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) {
+ NEW_DECL(ControlConn *,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; \
uid_t self= geteuid();
if (!S_ISDIR(stab.st_mode) ||
stab.st_uid != self ||
- stab.st_mode & 0077) {
+ stab.st_mode & 0007) {
warn("no control socket, because real socket directory"
" is somehow wrong (ISDIR=%d, uid=%lu (exp.%lu), mode %lo)",
!!S_ISDIR(stab.st_mode),
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;
static void vconnfail(Conn *conn, const char *fmt, va_list al) {
int requeue[art_MaxState];
+ memset(requeue,0,sizeof(requeue));
Article *art;
while ((art= LIST_REMHEAD(conn->priority))) LIST_ADDTAIL(queue, art);
static void check_idle_conns(void) {
Conn *conn;
- for (conn=LIST_HEAD(conns); conn; conn=LIST_NEXT(conn))
+ FOR_CONN(conn)
conn->since_activity++;
search_again:
- for (conn=LIST_HEAD(conns); conn; conn=LIST_NEXT(conn)) {
+ FOR_CONN(conn) {
if (conn->since_activity <= need_activity_periods) continue;
/* We need to shut this down */
static void connect_attempt_discard(void) {
if (connecting_child) {
- int r= kill(connecting_child, SIGTERM);
- if (r) syswarn("failed to kill connecting child");
int status= xwaitpid(&connecting_child, "connect");
-
if (!(WIFEXITED(status) ||
(WIFSIGNALED(status) && WTERMSIG(status) == SIGKILL)))
report_child_status("connect", status);
}
#define PREP_DECL_MSG_CMSG(msg) \
+ char msgbyte= 0; \
+ struct iovec msgiov; \
+ msgiov.iov_base= &msgbyte; \
+ msgiov.iov_len= 1; \
struct msghdr msg; \
memset(&msg,0,sizeof(msg)); \
- char msg##cbuf[CMSG_SPACE(sizeof(fd))]; \
+ char msg##cbuf[CMSG_SPACE(sizeof(int))]; \
+ msg.msg_iov= &msgiov; \
+ msg.msg_iovlen= 1; \
msg.msg_control= msg##cbuf; \
msg.msg_controllen= sizeof(msg##cbuf);
assert(fd == connecting_fdpass_sock);
- conn= xmalloc(sizeof(*conn));
- memset(conn,0,sizeof(*conn));
-
PREP_DECL_MSG_CMSG(msg);
+
+ ssize_t rs= recvmsg(fd, &msg, 0);
+ if (rs<0) {
+ if (isewouldblock(errno)) return OOP_CONTINUE;
+ syswarn("failed to read socket from connecting child");
+ goto x;
+ }
+
+ NEW(conn);
+ LIST_INIT(conn->waiting);
+ LIST_INIT(conn->priority);
+ LIST_INIT(conn->sent);
+
struct cmsghdr *h= 0;
- ssize_t rs= recvmsg(fd, &msg, MSG_DONTWAIT);
if (rs >= 0) h= CMSG_FIRSTHDR(&msg);
if (!h) {
- int status;
- pid_t got= waitpid(connecting_child, &status, WNOHANG);
- if (got != -1) {
- assert(got==connecting_child);
- connecting_child= 0;
- if (WIFEXITED(status)) {
- if (WEXITSTATUS(status) != 0 &&
- WEXITSTATUS(status) != CONNCHILD_ESTATUS_STREAM &&
- WEXITSTATUS(status) != CONNCHILD_ESTATUS_NOSTREAM)
- /* child already reported the problem */;
- else
- warn("connect: connection child exited code %d but no cmsg",
+ int status= xwaitpid(&connecting_child, "connect child (broken)");
+
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status) != 0 &&
+ WEXITSTATUS(status) != CONNCHILD_ESTATUS_STREAM &&
+ WEXITSTATUS(status) != CONNCHILD_ESTATUS_NOSTREAM)
+ /* child already reported the problem */;
+ else {
+ if (e == OOP_EXCEPTION)
+ warn("connect: connection child exited code %d but"
+ " unexpected exception on fdpass socket",
WEXITSTATUS(status));
- } else if (WIFSIGNALED(status) && WTERMSIG(status) == SIGALRM) {
- warn("connect: connection attempt timed out");
- } else {
- report_child_status("connect", status);
+ else
+ warn("connect: connection child exited code %d but"
+ " no cmsg (rs=%d)",
+ WEXITSTATUS(status), (int)rs);
}
+ } else if (WIFSIGNALED(status) && WTERMSIG(status) == SIGALRM) {
+ warn("connect: connection attempt timed out");
} else {
- /* child is still running apparently, report the socket problem */
- if (rs < 0)
- syswarn("connect: read from fdpass socket failed");
- else if (e == OOP_EXCEPTION)
- warn("connect: unexpected exception on fdpass socket");
- else if (!rs)
- warn("connect: unexpected EOF on fdpass socket");
- else
- fatal("connect: unexpected lack of cmsg from child");
+ report_child_status("connect", status);
}
goto x;
}
}
/* Phew! */
- LIST_INIT(conn->waiting);
- LIST_INIT(conn->priority);
- LIST_INIT(conn->sent);
conn->max_queue= conn->stream ? max_queue_per_conn : 1;
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);
connect_attempt_discard();
check_assign_articles();
- return 0;
+ return OOP_CONTINUE;
x:
conn_dispose(conn);
assert(!connecting_child);
assert(!connecting_fdpass_sock);
- notice("starting connection attempt");
+ info("starting connection attempt");
int socks[2];
int r= socketpair(AF_UNIX, SOCK_STREAM, 0, socks);
alarm(connection_setup_timeout);
if (NNTPconnect((char*)remote_host, port, &cn_from, &cn_to, buf) < 0) {
- if (buf[0]) fatal("connect: rejected: %s", sanitise(buf));
- else sysfatal("connect: connection attempt failed");
+ int l= strlen(buf);
+ int stripped=0;
+ while (l>0) {
+ unsigned char c= buf[l-1];
+ if (!isspace(c)) break;
+ if (c=='\n' || c=='\r') stripped=1;
+ --l;
+ }
+ if (!buf[0]) {
+ sysfatal("connect: connection attempt failed");
+ } else {
+ buf[l]= 0;
+ fatal("connect: %s: %s", stripped ? "rejected" : "failed",
+ sanitise(buf,-1));
+ }
}
if (NNTPsendpassword((char*)remote_host, cn_from, cn_to) < 0)
sysfatal("connect: authentication failed");
if (try_stream) {
- if (fputs("MODE STREAM\r\n", cn_to) ||
+ if (fputs("MODE STREAM\r\n", cn_to)==EOF ||
fflush(cn_to))
sysfatal("connect: could not send MODE STREAM");
buf[sizeof(buf)-1]= 0;
}
int l= strlen(buf);
assert(l>=1);
- if (buf[-1]!='\n')
+ if (buf[l-1]!='\n')
fatal("connect: response to MODE STREAM is too long: %.100s...",
- sanitise(buf));
+ sanitise(buf,-1));
l--; if (l>0 && buf[l-1]=='\r') l--;
buf[l]= 0;
char *ep;
int rcode= strtoul(buf,&ep,10);
if (ep != &buf[3])
- fatal("connect: bad response to MODE STREAM: %.50s", sanitise(buf));
+ fatal("connect: bad response to MODE STREAM: %.50s", sanitise(buf,-1));
switch (rcode) {
case 203:
break;
default:
warn("connect: unexpected response to MODE STREAM: %.50s",
- sanitise(buf));
+ sanitise(buf,-1));
exitstatus= 2;
break;
}
msg.msg_controllen= cmsg->cmsg_len;
r= sendmsg(socks[1], &msg, 0);
- if (r) sysdie("sendmsg failed for new connection");
+ if (r<0) sysdie("sendmsg failed for new connection");
+ if (r!=1) die("sendmsg for new connection gave wrong result %d",r);
_exit(exitstatus);
}
xclose(socks[1], "connecting fdpass child's socket",0);
connecting_fdpass_sock= socks[0];
+ xsetnonblock(connecting_fdpass_sock, 1);
on_fd_read_except(connecting_fdpass_sock, connchild_event);
}
* connections in order. That way if we have too many
* connections, the spare ones will go away eventually.
*/
- for (walk=LIST_HEAD(conns); walk; walk=LIST_NEXT(walk)) {
+ FOR_CONN(walk) {
if (walk->quitting) continue;
inqueue= walk->sent.count + walk->priority.count
+ walk->waiting.count;
if (!inqueue) use->since_activity= 0; /* reset idle counter */
while (spare>0) {
Article *art= LIST_REMHEAD(queue);
+ if (!art) break;
LIST_ADDTAIL(use->waiting, art);
spare--;
}
ARTHANDLE *artdata= SMretrieve(art->token, RETR_ALL);
+ art->state=
+ art->state == art_Unchecked ? art_Unsolicited :
+ art->state == art_Wanted ? art_Wanted :
+ (abort(),-1);
+
+ if (!artdata) art->missing= 1;
+ art->ipf->counts[art->state][ artdata ? RC_sent : RC_missing ]++;
+
if (conn->stream) {
if (artdata) {
XMIT_LITERAL("TAKETHIS ");
xmit_noalloc(conn, art->messageid, art->midlen);
XMIT_LITERAL("\r\n");
xmit_artbody(conn, artdata);
+ } else {
+ article_done(conn, art, -1);
+ continue;
}
} else {
/* we got 235 from IHAVE */
}
}
- art->state=
- art->state == art_Unchecked ? art_Unsolicited :
- art->state == art_Wanted ? art_Wanted :
- (abort(),-1);
- art->ipf->counts[art->state][RC_sent]++;
LIST_ADDTAIL(conn->sent, art);
} else {
/* check it */
if (conn->stream)
- XMIT_LITERAL("IHAVE ");
- else
XMIT_LITERAL("CHECK ");
+ else
+ XMIT_LITERAL("IHAVE ");
xmit_noalloc(conn, art->messageid, art->midlen);
XMIT_LITERAL("\r\n");
}
static void article_done(Conn *conn, Article *art, int whichcount) {
- art->ipf->counts[art->state][whichcount]++;
+ if (!art->missing) art->ipf->counts[art->state][whichcount]++;
+
if (whichcount == RC_accepted) update_nocheck(1);
else if (whichcount == RC_unwanted) update_nocheck(0);
while (art->blanklen) {
static const char spaces[]=
+ " "
+ " "
+ " "
+ " "
+ " "
" "
" "
" "
}
assert(ev == OOP_RD_OK);
- char *sani= sanitise(data);
+ char *sani= sanitise(data,-1);
char *ep;
unsigned long code= strtoul(data, &ep, 10);
return OOP_CONTINUE;
}
+ int conn_busy=
+ conn->waiting.count ||
+ conn->priority.count ||
+ conn->sent.count ||
+ conn->xmitu;
+
if (conn->quitting) {
if (code!=205 && code!=503) {
connfail(conn, "peer gave unexpected response to QUIT: %s", sani);
} else {
- notice("C%d idle connection closed", conn->fd);
- assert(!conn->waiting.count);
- assert(!conn->priority.count);
- assert(!conn->sent.count);
- assert(!conn->xmitu);
+ notice("C%d idle connection closed by us", conn->fd);
+ assert(!conn_busy);
LIST_REMOVE(conns,conn);
conn_dispose(conn);
}
conn->since_activity= 0;
Article *art;
-#define GET_ARTICLE(musthavesent) \
- art= article_reply_check(conn, data, musthavesent, code_streaming, sani); \
- if (art) ; else return OOP_CONTINUE /* reply_check has failed the conn */
+#define GET_ARTICLE(musthavesent) do{ \
+ art= article_reply_check(conn, data, code_streaming, musthavesent, sani); \
+ if (!art) return OOP_CONTINUE; /* reply_check has failed the conn */ \
+ }while(0)
-#define ARTICLE_DEALTWITH(streaming,musthavesent,how) \
- code_streaming= (streaming); \
- GET_ARTICLE(musthavesent); \
- article_done(conn, art, RC_##how); break;
+#define ARTICLE_DEALTWITH(streaming,musthavesent,how) do{ \
+ code_streaming= (streaming); \
+ GET_ARTICLE(musthavesent); \
+ article_done(conn, art, RC_##how); \
+ goto dealtwith; \
+ }while(0)
-#define PEERBADMSG(m) connfail(conn, m ": %s", sani); return OOP_CONTINUE
+#define PEERBADMSG(m) do { \
+ connfail(conn, m ": %s", sani); return OOP_CONTINUE; \
+ }while(0)
int code_streaming= 0;
switch (code) {
case 400: PEERBADMSG("peer stopped accepting articles");
- case 503: PEERBADMSG("peer timed us out");
default: PEERBADMSG("peer sent unexpected message");
+ case 503:
+ if (conn_busy) PEERBADMSG("peer timed us out");
+ notice("C%d idle connection closed by peer", conn->fd);
+ LIST_REMOVE(conns,conn);
+ conn_dispose(conn);
+ return OOP_CONTINUE;
+
case 435: ARTICLE_DEALTWITH(0,0,unwanted); /* IHAVE says they have it */
case 438: ARTICLE_DEALTWITH(1,0,unwanted); /* CHECK/TAKETHIS: they have it */
break;
}
+dealtwith:
conn_maybe_write(conn);
check_assign_articles();
}
static InputFile *open_input_file(const char *path) {
- int fd= open(path, O_RDONLY);
+ int fd= open(path, O_RDWR);
if (fd<0) {
if (errno==ENOENT) return 0;
sysfatal("unable to open input file %s", path);
static void *feedfile_got_bad_data(InputFile *ipf, off_t offset,
const char *data, const char *how) {
- warn("corrupted file: %s, offset %lu: %s: %s",
- ipf->path, (unsigned long)offset, how, sanitise(data));
+ warn("corrupted file: %s, offset %lu: %s: in %s",
+ ipf->path, (unsigned long)offset, how, sanitise(data,-1));
ipf->readcount_err++;
if (ipf->readcount_err > max_bad_data_initial +
(ipf->readcount_ok+ipf->readcount_blank) / max_bad_data_ratio)
if (!data) { feedfile_eof(ipf); return OOP_CONTINUE; }
off_t old_offset= ipf->offset;
- ipf->offset += recsz + 1;
+ ipf->offset += recsz + !!(ev == OOP_RD_OK);
#define X_BAD_DATA(m) return feedfile_got_bad_data(ipf,old_offset,data,m);
ipf->readcount_ok++;
art= xmalloc(sizeof(*art) - 1 + midlen + 1);
+ memset(art,0,sizeof(*art));
art->state= art_Unchecked;
art->midlen= midlen;
art->ipf= ipf; ipf->inprogress++;
art->token= TextToToken(tokentextbuf);
- art->offset= ipf->offset;
+ art->offset= old_offset;
art->blanklen= recsz;
strcpy(art->messageid, space+1);
LIST_ADDTAIL(queue, art);
abort();
}
}
+ tailing_queue_readable(ipf);
return r;
}
}
/*---------- filemon implemented with inotify ----------*/
-#if defined(HAVE_INOTIFY) && !defined(HAVE_FILEMON)
+#if defined(HAVE_SYS_INOTIFY_H) && !defined(HAVE_FILEMON)
#define HAVE_FILEMON
-#include <linux/inotify.h>
+#include <sys/inotify.h>
static int filemon_inotify_fd;
static int filemon_inotify_wdmax;
if (wd >= filemon_inotify_wdmax) {
int newmax= wd+2;
- filemon_inotify_wd= xrealloc(filemon_inotify_wd2ipf,
+ filemon_inotify_wd2ipf= xrealloc(filemon_inotify_wd2ipf,
sizeof(*filemon_inotify_wd2ipf) * newmax);
memset(filemon_inotify_wd2ipf + filemon_inotify_wdmax, 0,
sizeof(*filemon_inotify_wd2ipf) * (newmax - filemon_inotify_wdmax));
static void filemon_method_stopfile(InputFile *ipf, Filemon_Perfile *pf) {
int wd= pf->wd;
debug("filemon inotify stopfile %p wd=%d", ipf, wd);
- int r= inotify_rm_watch(filemon_inotify_fd, filemon_inotify_wd);
+ int r= inotify_rm_watch(filemon_inotify_fd, wd);
if (r) sysdie("inotify_rm_watch");
filemon_inotify_wd2ipf[wd]= 0;
}
die("inotify read %d bytes wanted struct of %d", r, (int)sizeof(iev));
}
InputFile *ipf= filemon_inotify_wd2ipf[iev.wd];
- debug("filemon inotify readable read %p wd=%p", iev.wd, ipf);
+ debug("filemon inotify readable read %p wd=%d", ipf, iev.wd);
filemon_callback(ipf);
}
return OOP_CONTINUE;
static int filemon_method_init(void) {
filemon_inotify_fd= inotify_init();
if (filemon_inotify_fd<0) {
- syswarn("could not initialise inotify: inotify_init failed");
+ syswarn("filemon/inotify: inotify_init failed");
return 0;
}
- set nonblock;
- loop->on_fd(loop, filemon_inotify_fd, OOP_READ, filemon_inotify_readable);
+ xsetnonblock(filemon_inotify_fd, 1);
+ loop->on_fd(loop, filemon_inotify_fd, OOP_READ, filemon_inotify_readable, 0);
debug("filemon inotify init filemon_inotify_fd=%d", filemon_inotify_fd);
return 1;
}
+static void filemon_method_dump_info(FILE *f) {
+ int i;
+ fprintf(f,"inotify");
+ DUMPV("%d",,filemon_inotify_fd);
+ DUMPV("%d",,filemon_inotify_wdmax);
+ for (i=0; i<filemon_inotify_wdmax; i++)
+ fprintf(f," wd2ipf[%d]=%p\n", i, filemon_inotify_wd2ipf[i],);
+}
+
#endif /* HAVE_INOTIFY && !HAVE_FILEMON */
/*---------- filemon dummy implementation ----------*/
struct Filemon_Perfile { int dummy; };
-static int filemon_method_init(void) { return 0; }
+static int filemon_method_init(void) {
+ warn("filemon/dummy: no filemon method compiled in");
+ return 0;
+}
static void filemon_method_startfile(InputFile *ipf, Filemon_Perfile *pf) { }
static void filemon_method_stopfile(InputFile *ipf, Filemon_Perfile *pf) { }
+static void filemon_method_dump_info(FILE *f) { fprintf(f,"dummy\n"); }
#endif /* !HAVE_FILEMON */
static void filemon_start(InputFile *ipf) {
assert(!ipf->filemon);
- ipf->filemon= xmalloc(sizeof(*ipf->filemon));
- memset(ipf->filemon, 0, sizeof(*ipf->filemon));
+ NEW(ipf->filemon);
filemon_method_startfile(ipf, ipf->filemon);
}
}
static void filemon_callback(InputFile *ipf) {
- ipf->readable_callback(loop, &ipf->readable, ipf->readable_callback_user);
+ if (ipf && ipf->readable_callback) /* so filepoll() can be naive */
+ ipf->readable_callback(loop, &ipf->readable, ipf->readable_callback_user);
}
/*---------- interface to start and stop an input file ----------*/
| flsh->rd!=0 | | flsh->rd!=0
| [Separated] | | [Dropping]
| main F idle | | main none
- | old D tail | | old D tail
+ | flsh D tail | | flsh D tail
| ============= | | ============
| | | | install |
^ | EOF ON D | | defer | EOF ON D
| flsh->rd==0 | V flsh->rd==0
| [Finishing] | | [Dropping]
| main F tail | `. main none
- | old D closed | `. old D closed
+ | flsh D closed | `. flsh D closed
| =============== V `. ===============
| | `. |
| | ALL D PROCESSED `. | ALL D PROCESSED
DROPPED
[Dropped]
main none
- old none
+ flsh none
some backlog
==============
|
if (file_d) {
debug("startup: F!=D => Separated");
startup_set_input_file(file_d);
+ flushing_input_file= main_input_file;
+ main_input_file= open_input_file(feedfile);
+ if (!main_input_file) die("feedfile vanished during startup");
SMS(SEPARATED, 0, "found both old and current feed files");
} else {
debug("startup: F exists, D ENOENT => Normal");
InputFile *file_f= open_input_file(feedfile);
if (!file_f) die("feed file vanished during startup");
startup_set_input_file(file_f);
- SMS(NORMAL, flushfail_retry_periods, "normal startup");
+ SMS(NORMAL, spontaneous_flush_periods, "normal startup");
}
}
}
spawn_inndcomm_flush(why); /* => Flushing FLUSHING */
}
-static void statemc_period_poll(void) {
- if (!sm_period_counter) return;
- sm_period_counter--;
- assert(sm_period_counter>=0);
-
- if (sm_period_counter) return;
+static int trigger_flush_ok(void) { /* => Flushing,FLUSHING, ret 1; or ret 0 */
switch (sms) {
case sm_NORMAL:
statemc_start_flush("periodic"); /* Normal => Flushing; => FLUSHING */
- break;
+ return 1;
case sm_FLUSHFAILED:
spawn_inndcomm_flush("retry"); /* Moved => Flushing; => FLUSHING */
- break;
+ return 1;
default:
- abort();
+ return 0;
}
}
+static void statemc_period_poll(void) {
+ if (!sm_period_counter) return;
+ sm_period_counter--;
+ assert(sm_period_counter>=0);
+
+ if (sm_period_counter) return;
+ int ok= trigger_flush_ok();
+ assert(ok);
+}
+
static int inputfile_is_done(InputFile *ipf) {
if (!ipf) return 0;
if (ipf->inprogress) return 0; /* new article in the meantime */
return 1;
}
-static void notice_processed(InputFile *ipf, const char *what,
- const char *spec) {
+static void notice_processed(InputFile *ipf, int completed,
+ const char *what, const char *spec) {
+ if (!ipf) return; /* allows preterminate to be lazy */
+
#define RCI_NOTHING(x) /* nothing */
#define RCI_TRIPLE_FMT(x) " " #x "=" RCI_TRIPLE_FMT_BASE
#define RCI_TRIPLE_VALS(x) , RCI_TRIPLE_VALS_BASE(ipf->counts, [RC_##x])
#define CNT(art,rc) (ipf->counts[art_##art][RC_##rc])
- info("processed %s%s read=%d(+%dbl,+%derr)"
- " offered=%d(ch%d,nc%d) accepted=%d(ch%d+nc%d)"
+ char *inprog= completed
+ ? xasprintf("%s","") /* GCC produces a stupid warning for printf("") ! */
+ : xasprintf(" inprogress=%ld", ipf->inprogress);
+
+ info("%s %s%s read=%d (+bl=%d,+err=%d)%s"
+ " offered=%d (ch=%d,nc=%d) accepted=%d (ch=%d,nc=%d)"
RESULT_COUNTS(RCI_NOTHING, RCI_TRIPLE_FMT)
,
- what, spec,
- ipf->readcount_ok, ipf->readcount_blank, ipf->readcount_err,
+ completed?"completed":"processed", what, spec,
+ ipf->readcount_ok, ipf->readcount_blank, ipf->readcount_err, inprog,
CNT(Unchecked,sent) + CNT(Unsolicited,sent)
, CNT(Unchecked,sent), CNT(Unsolicited,sent),
CNT(Wanted,accepted) + CNT(Unsolicited,accepted)
RESULT_COUNTS(RCI_NOTHING, RCI_TRIPLE_VALS)
);
+ free(inprog);
+
#undef CNT
}
const char *under= strchr(slash, '_');
const char *rest= under ? under+1 : leaf;
if (!strncmp(rest,"backlog",7)) rest += 7;
- notice_processed(ipf,"backlog:",rest);
+ notice_processed(ipf,1,"backlog ",rest);
close_input_file(ipf);
if (unlink(ipf->path)) {
assert(sms==sm_SEPARATED || sms==sm_DROPPING);
- notice_processed(ipf,"feedfile",0);
+ notice_processed(ipf,1,"feedfile","");
close_defer();
if (sms==sm_SEPARATED) {
notice("flush complete");
- SMS(NORMAL, 0, "flush complete");
+ SMS(NORMAL, spontaneous_flush_periods, "flush complete");
} else if (sms==sm_DROPPING) {
SMS(DROPPED, 0, "old flush complete");
search_backlog_file();
}
if (periods) {
- info("%s%s[%d] %s",forlog,xtra,periods,why);
+ info("state %s%s[%d] %s",forlog,xtra,periods,why);
} else {
- info("%s%s %s",forlog,xtra,why);
+ info("state %s%s %s",forlog,xtra,why);
}
}
debug("backlog scan: none");
if (sms==sm_DROPPED) {
+ preterminate();
notice("feed dropped and our work is complete");
- xunlink(path_lock, "lockfile for old feed");
+
+ int r= unlink(path_control);
+ if (r && errno!=ENOENT)
+ syswarn("failed to remove control symlink for old feed");
+
+ xunlink(path_lock, "lockfile for old feed");
exit(4);
}
until_backlog_nextscan= backlog_spontrescan_periods;
return;
}
+/*---------- shutdown and signal handling ----------*/
+
+static void preterminate(void) {
+ if (in_child) return;
+ notice_processed(main_input_file,0,"feedfile","");
+ notice_processed(flushing_input_file,0,"flushing","");
+ if (backlog_input_file)
+ notice_processed(backlog_input_file,0, "backlog file ",
+ backlog_input_file->path);
+}
+
+static int signal_self_pipe[2];
+static sig_atomic_t terminate_sig_flag;
+
+static void raise_default(int signo) {
+ xsigsetdefault(signo);
+ raise(signo);
+ abort();
+}
+
+static void *sigarrived_event(oop_source *lp, int fd, oop_event e, void *u) {
+ assert(fd=signal_self_pipe[0]);
+ char buf[PIPE_BUF];
+ int r= read(signal_self_pipe[0], buf, sizeof(buf));
+ if (r<0 && !isewouldblock(errno)) sysdie("failed to read signal self pipe");
+ if (r==0) die("eof on signal self pipe");
+ if (terminate_sig_flag) {
+ preterminate();
+ notice("terminating (%s)", strsignal(terminate_sig_flag));
+ raise_default(terminate_sig_flag);
+ }
+ return OOP_CONTINUE;
+}
+
+static void sigarrived_handler(int signum) {
+ static char x;
+ switch (signum) {
+ case SIGTERM:
+ case SIGINT:
+ if (!terminate_sig_flag) terminate_sig_flag= signum;
+ break;
+ default:
+ abort();
+ }
+ write(signal_self_pipe[1],&x,1);
+}
+
+static void init_signals(void) {
+ if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+ sysdie("could not ignore SIGPIPE");
+
+ if (pipe(signal_self_pipe)) sysfatal("create self-pipe for signals");
+
+ xsetnonblock(signal_self_pipe[0],1);
+ xsetnonblock(signal_self_pipe[1],1);
+
+ struct sigaction sa;
+ memset(&sa,0,sizeof(sa));
+ sa.sa_handler= sigarrived_handler;
+ sa.sa_flags= SA_RESTART;
+ xsigaction(SIGTERM,&sa);
+ xsigaction(SIGINT,&sa);
+
+ on_fd_read_except(signal_self_pipe[0], sigarrived_event);
+}
+
/*========== flushing the feed ==========*/
static pid_t inndcomm_child;
assert(inndcomm_child);
assert(fd == inndcomm_sentinel_fd);
int status= xwaitpid(&inndcomm_child, "inndcomm");
+ inndcomm_child= 0;
+
cancel_fd_read_except(fd);
xclose_perhaps(&fd, "inndcomm sentinel pipe",0);
+ inndcomm_sentinel_fd= 0;
assert(!flushing_input_file);
goto failed;
case INNDCOMMCHILD_ESTATUS_NONESUCH:
- warn("feed has been dropped by innd, finishing up");
+ notice("feed has been dropped by innd, finishing up");
flushing_input_file= main_input_file;
tailing_queue_readable(flushing_input_file);
/* we probably previously returned EAGAIN from our fake read method
xclose(pipefds[0], "(in child) inndcomm sentinel parent's end",0);
/* parent spots the autoclose of pipefds[1] when we die or exit */
+ if (simulate_flush>=0) {
+ warn("SIMULATING flush child status %d", simulate_flush);
+ if (simulate_flush>128) raise(simulate_flush-128);
+ else exit(simulate_flush);
+ }
+
alarm(inndcomm_flush_timeout);
r= ICCopen(); if (r) inndcommfail("connect");
r= ICCcommand('f',flushargv,&reply); if (r<0) inndcommfail("transmit");
exit(INNDCOMMCHILD_ESTATUS_FAIL);
}
+ simulate_flush= -1;
+
xclose(pipefds[1], "inndcomm sentinel child's end",0);
inndcomm_sentinel_fd= pipefds[0];
assert(inndcomm_sentinel_fd);
}
static void postfork(void) {
- if (signal(SIGPIPE, SIG_DFL) == SIG_ERR)
- sysdie("(in child) failed to reset SIGPIPE");
+ in_child= 1;
+
+ xsigsetdefault(SIGTERM);
+ xsigsetdefault(SIGINT);
+ xsigsetdefault(SIGPIPE);
+ if (terminate_sig_flag) raise(terminate_sig_flag);
postfork_inputfile(main_input_file);
postfork_inputfile(flushing_input_file);
Conn *conn;
- for (conn=LIST_HEAD(conns); conn; conn=LIST_NEXT(conn))
+ FOR_CONN(conn)
conn_closefd(conn,"(in child) ");
postfork_stdio(defer, "defer file ", path_defer);
}
-#define EVERY(what, interval_sec, interval_usec, body) \
- static struct timeval what##_timeout = { interval_sec, interval_usec }; \
- static void what##_schedule(void); \
- static void *what##_timedout(oop_source *lp, struct timeval tv, void *u) { \
- body; \
- what##_schedule(); \
- return OOP_CONTINUE; \
- } \
- static void what##_schedule(void) { \
- loop->on_time(loop, what##_timeout, what##_timedout, 0); \
- }
+typedef struct Every Every;
+struct Every {
+ struct timeval interval;
+ int fixed_rate;
+ void (*f)(void);
+};
+
+static void every_schedule(Every *e, struct timeval base);
+
+static void *every_happens(oop_source *lp, struct timeval base, void *e_v) {
+ Every *e= e_v;
+ e->f();
+ if (!e->fixed_rate) xgettimeofday(&base);
+ every_schedule(e, base);
+ return OOP_CONTINUE;
+}
+
+static void every_schedule(Every *e, struct timeval base) {
+ struct timeval when;
+ timeradd(&base, &e->interval, &when);
+ loop->on_time(loop, when, every_happens, e);
+}
+
+static void every(int interval, int fixed_rate, void (*f)(void)) {
+ NEW_DECL(Every *,e);
+ e->interval.tv_sec= interval;
+ e->interval.tv_usec= 0;
+ e->fixed_rate= fixed_rate;
+ e->f= f;
+ struct timeval now;
+ xgettimeofday(&now);
+ every_schedule(e, now);
+}
-EVERY(filepoll, 5,0, ({
- if (main_input_file && main_input_file->readable_callback)
- filemon_callback(main_input_file);
-}));
+static void filepoll(void) {
+ filemon_callback(main_input_file);
+ filemon_callback(flushing_input_file);
+}
static char *debug_report_ipf(InputFile *ipf) {
if (!ipf) return xasprintf("none");
const char *slash= strrchr(ipf->path,'/');
const char *path= slash ? slash+1 : ipf->path;
- return xasprintf("%p/%s:ip=%ld,off=%ld,fd=%d%s",
+ return xasprintf("%p/%s:ip=%ld,off=%ld,fd=%d%s%s",
ipf, path,
ipf->inprogress, (long)ipf->offset,
- ipf->fd, ipf->rd ? "+" : "");
+ ipf->fd,
+ ipf->rd ? "" : ",!rd",
+ ipf->skippinglong ? "*skiplong" : "");
}
-EVERY(period, -1,0, ({
+static void period(void) {
char *dipf_main= debug_report_ipf(main_input_file);
char *dipf_flushing= debug_report_ipf(flushing_input_file);
char *dipf_backlog= debug_report_ipf(backlog_input_file);
debug("PERIOD"
" sms=%s[%d] conns=%d queue=%d until_connect=%d"
- " input_files main:%s old:%s flushing:%s"
+ " input_files main:%s flushing:%s backlog:%s"
" children connecting=%ld inndcomm=%ld"
,
sms_names[sms], sm_period_counter,
statemc_period_poll();
check_assign_articles();
check_idle_conns();
-}));
+}
+
+/*========== dumping state ==========*/
+
+static void dump_article_list(FILE *f, const ControlCommand *c,
+ const ArticleList *al) {
+ fprintf(f, " count=%d\n", al->count);
+ if (!c->xval) return;
+
+ int i; Article *art;
+ for (i=0, art=LIST_HEAD(*al); art; i++, art=LIST_NEXT(art)) {
+ fprintf(f," #%05d %-11s", i, artstate_names[art->state]);
+ DUMPV("%p", art->,ipf);
+ DUMPV("%d", art->,missing);
+ DUMPV("%lu", (unsigned long)art->,offset);
+ DUMPV("%d", art->,blanklen);
+ DUMPV("%d", art->,midlen);
+ fprintf(f, " %s %s\n", TokenToText(art->token), art->messageid);
+ }
+}
+
+static void dump_input_file(FILE *f, InputFile *ipf, const char *wh) {
+ char *dipf= debug_report_ipf(ipf);
+ fprintf(f,"input %s %s", wh, dipf);
+ free(dipf);
+
+ if (ipf) {
+ DUMPV("%d", ipf->,readcount_ok);
+ DUMPV("%d", ipf->,readcount_blank);
+ DUMPV("%d", ipf->,readcount_err);
+ }
+ fprintf(f,"\n");
+ if (ipf) {
+ ArtState state; const char *const *statename;
+ for (state=0, statename=artstate_names; *statename; state++,statename++) {
+#define RC_DUMP_FMT(x) " " #x "=%d"
+#define RC_DUMP_VAL(x) ,ipf->counts[state][RC_##x]
+ fprintf(f,"input %s counts %-11s"
+ RESULT_COUNTS(RC_DUMP_FMT,RC_DUMP_FMT) "\n",
+ wh, *statename
+ RESULT_COUNTS(RC_DUMP_VAL,RC_DUMP_VAL));
+ }
+ }
+}
+
+CCMD(dump) {
+ int i;
+ fprintf(cc->out, "dumping state to %s\n", path_dump);
+ FILE *f= fopen(path_dump, "w");
+ if (!f) { fprintf(cc->out, "failed: open: %s\n", strerror(errno)); return; }
+
+ fprintf(f,"general");
+ DUMPV("%s", sms_names,[sms]);
+ DUMPV("%d", ,sm_period_counter);
+ DUMPV("%ld", (long),self_pid);
+ DUMPV("%p", , defer);
+ DUMPV("%d", , until_connect);
+ DUMPV("%d", , until_backlog_nextscan);
+ DUMPV("%d", , simulate_flush);
+ fprintf(f,"\nnocheck");
+ DUMPV("%#.10f", , accept_proportion);
+ DUMPV("%d", , nocheck);
+ DUMPV("%d", , nocheck_reported);
+ fprintf(f,"\n");
+
+ fprintf(f,"special");
+ DUMPV("%ld", (long),connecting_child);
+ DUMPV("%d", , connecting_fdpass_sock);
+ DUMPV("%d", , control_master);
+ fprintf(f,"\n");
+
+ fprintf(f,"filemon ");
+ filemon_method_dump_info(f);
+
+ dump_input_file(f, main_input_file, "main" );
+ dump_input_file(f, flushing_input_file, "flushing");
+ dump_input_file(f, backlog_input_file, "backlog" );
+
+ fprintf(f,"conns count=%d\n", conns.count);
+
+ Conn *conn;
+ FOR_CONN(conn) {
+
+ fprintf(f,"C%d",conn->fd);
+ DUMPV("%p",conn->,rd); DUMPV("%d",conn->,max_queue);
+ DUMPV("%d",conn->,stream); DUMPV("%d",conn->,quitting);
+ DUMPV("%d",conn->,since_activity);
+ fprintf(f,"\n");
+
+ fprintf(f,"C%d waiting", conn->fd); dump_article_list(f,c,&conn->waiting);
+ fprintf(f,"C%d priority",conn->fd); dump_article_list(f,c,&conn->priority);
+ fprintf(f,"C%d sent", conn->fd); dump_article_list(f,c,&conn->sent);
+
+ fprintf(f,"C%d xmit xmitu=%d\n", conn->fd, conn->xmitu);
+ for (i=0; i<conn->xmitu; i++) {
+ const struct iovec *iv= &conn->xmit[i];
+ const XmitDetails *xd= &conn->xmitd[i];
+ char *dinfo;
+ long diff;
+ switch (xd->kind) {
+ case xk_Malloc:
+ diff= xd->info.malloc_tofree - (char*)iv->iov_base;
+ dinfo= xasprintf("M%5ld", diff);
+ break;
+ case xk_Const:
+ dinfo= xasprintf("Const");
+ break;
+ case xk_Artdata:
+ dinfo= xasprintf("A%p", xd->info.sm_art);
+ break;
+ default:
+ abort();
+ }
+ fprintf(f," #%03d %-11s l=%d %s\n", i, dinfo, iv->iov_len,
+ sanitise(iv->iov_base, iv->iov_len));
+ free(dinfo);
+ }
+ }
+
+ fprintf(f,"queue"); dump_article_list(f,c,&queue);
+
+ fprintf(f,"paths");
+ DUMPV("%s", , path_lock);
+ DUMPV("%s", , path_flushing);
+ DUMPV("%s", , path_defer);
+ DUMPV("%s", , path_control);
+ DUMPV("%s", , path_dump);
+ DUMPV("%s", , globpat_backlog);
+ fprintf(f,"\n");
+
+ if (!!ferror(f) + !!fclose(f)) {
+ fprintf(cc->out, "failed: write: %s\n", strerror(errno));
+ return;
+ }
+}
/*========== option parsing ==========*/
{'q',"quiet-multiple", 0, &quiet_multiple, op_setint, 1 },
{0,"no-daemon", 0, &become_daemon, op_setint, 0 },
{0,"no-streaming", 0, &try_stream, op_setint, 0 },
-{0,"inndconf", "F", &inndconffile, op_string },
+{0,"no-filemon", 0, &try_filemon, op_setint, 0 },
+{'C',"inndconf", "F", &inndconffile, op_string },
{'P',"port", "PORT", &port, op_integer },
+{0,"ctrl-sock-dir", 0, &realsockdir, op_string },
{0,"help", 0, 0, help },
{0,"max-connections", "N", &max_connections, op_integer },
{0,"feedfile-flush-size","BYTES", &target_max_feedfile_size, op_integer },
{0,"period-interval", "TIME", &period_seconds, op_seconds },
-{0,"connection-timeout", "TIME", &connection_setup_timeout, op_seconds },
-{0,"stuck-flush-timeout","TIME", &inndcomm_flush_timeout, op_seconds },
+{0,"connection-timeout", "TIME", &connection_setup_timeout, op_seconds },
+{0,"stuck-flush-timeout", "TIME", &inndcomm_flush_timeout, op_seconds },
+{0,"feedfile-poll", "TIME", &filepoll_seconds, op_seconds },
{0,"no-check-proportion", "PERCENT", &nocheck_thresh, op_double },
{0,"no-check-response-time","ARTICLES", &nocheck_decay, op_double },
/* defaults */
+ int r= innconf_read(inndconffile);
+ if (!r) badusage("could not read inn.conf (more info on stderr)");
+
if (!remote_host) remote_host= sitename;
if (nocheck_thresh < 0 || nocheck_thresh > 100)
max_bad_data_ratio *= 0.01;
if (!feedfile) {
- innconf_read(inndconffile);
feedfile= xasprintf("%s/%s",innconf->pathoutgoing,sitename);
} else if (!feedfile[0]) {
badusage("feed filename must be nonempty");
path_flushing= xasprintf("%s_flushing", feedfile);
path_defer= xasprintf("%s_defer", feedfile);
path_control= xasprintf("%s_control", feedfile);
+ path_dump= xasprintf("%s_dump", feedfile);
globpat_backlog= xasprintf("%s_backlog*", feedfile);
oop_source_sys *sysloop= oop_sys_new();
if (!sysloop) sysdie("could not create liboop event loop");
loop= (oop_source*)sysloop;
- if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
- sysdie("could not ignore SIGPIPE");
-
LIST_INIT(conns);
LIST_INIT(queue);
statemc_lock();
+ init_signals();
+
notice("starting");
+ if (!become_daemon)
+ control_stdio();
+
control_init();
- if (!filemon_method_init()) {
- warn("no file monitoring available, polling");
- filepoll_schedule();
+ int filemon_ok= 0;
+ if (!try_filemon) {
+ notice("filemon: suppressed by command line option, polling");
+ } else {
+ filemon_ok= filemon_method_init();
+ if (!filemon_ok)
+ warn("filemon: no file monitoring available, polling");
}
+ if (!filemon_ok)
+ every(filepoll_seconds,0,filepoll);
- period_timeout.tv_sec= period_seconds;
- period_schedule();
+ every(period_seconds,1,period);
statemc_init();
/* let's go */
- void *r= oop_sys_run(sysloop);
- assert(r == OOP_ERROR);
+ void *run= oop_sys_run(sysloop);
+ assert(run == OOP_ERROR);
sysdie("event loop failed");
}