diff options
author | Joshua Colp <jcolp@digium.com> | 2016-07-22 04:47:13 -0500 |
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committer | Gerrit Code Review <gerrit2@gerrit.digium.api> | 2016-07-22 04:47:13 -0500 |
commit | 0de05c2938882de417abd56e4d4fb56f7fc90ae0 (patch) | |
tree | 3d03f3eec922fe0f818b214554ff5bc77478cf0c /channels | |
parent | e3fbb4e099f9e642d74614d080443abe4e450802 (diff) | |
parent | 52ab0bf25807c3d666b95c6e2fe5692752c6fbe6 (diff) |
Merge "chan_sip: Prevent deadlock when issuing "sip show channels"" into 13
Diffstat (limited to 'channels')
-rw-r--r-- | channels/chan_sip.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 68400e73e..bf387bccd 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -21280,15 +21280,13 @@ static char *sip_unregister(struct ast_cli_entry *e, int cmd, struct ast_cli_arg } /*! \brief Callback for show_chanstats */ -static int show_chanstats_cb(void *__cur, void *__arg, int flags) +static int show_chanstats_cb(struct sip_pvt *cur, struct __show_chan_arg *arg) { #define FORMAT2 "%-15.15s %-11.11s %-8.8s %-10.10s %-10.10s ( %%) %-6.6s %-10.10s %-10.10s ( %%) %-6.6s\n" #define FORMAT "%-15.15s %-11.11s %-8.8s %-10.10u%-1.1s %-10.10u (%5.2f%%) %-6.4lf %-10.10u%-1.1s %-10.10u (%5.2f%%) %-6.4lf\n" - struct sip_pvt *cur = __cur; struct ast_rtp_instance_stats stats; char durbuf[10]; struct ast_channel *c; - struct __show_chan_arg *arg = __arg; int fd = arg->fd; sip_pvt_lock(cur); @@ -21348,6 +21346,8 @@ static int show_chanstats_cb(void *__cur, void *__arg, int flags) static char *sip_show_channelstats(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) { struct __show_chan_arg arg = { .fd = a->fd, .numchans = 0 }; + struct sip_pvt *cur; + struct ao2_iterator i; switch (cmd) { case CLI_INIT: @@ -21365,8 +21365,14 @@ static char *sip_show_channelstats(struct ast_cli_entry *e, int cmd, struct ast_ return CLI_SHOWUSAGE; ast_cli(a->fd, FORMAT2, "Peer", "Call ID", "Duration", "Recv: Pack", "Lost", "Jitter", "Send: Pack", "Lost", "Jitter"); + /* iterate on the container and invoke the callback on each item */ - ao2_t_callback(dialogs, OBJ_NODATA, show_chanstats_cb, &arg, "callback to sip show chanstats"); + i = ao2_iterator_init(dialogs, 0); + for (; (cur = ao2_iterator_next(&i)); ao2_ref(cur, -1)) { + show_chanstats_cb(cur, &arg); + } + ao2_iterator_destroy(&i); + ast_cli(a->fd, "%d active SIP channel%s\n", arg.numchans, (arg.numchans != 1) ? "s" : ""); return CLI_SUCCESS; } @@ -21682,10 +21688,8 @@ static const struct cfsubscription_types *find_subscription_type(enum subscripti #define FORMAT "%-15.15s %-15.15s %-15.15s %-15.15s %-3.3s %-3.3s %-15.15s %-10.10s %-10.10s\n" /*! \brief callback for show channel|subscription */ -static int show_channels_cb(void *__cur, void *__arg, int flags) +static int show_channels_cb(struct sip_pvt *cur, struct __show_chan_arg *arg) { - struct sip_pvt *cur = __cur; - struct __show_chan_arg *arg = __arg; const struct ast_sockaddr *dst; sip_pvt_lock(cur); @@ -21737,7 +21741,8 @@ static int show_channels_cb(void *__cur, void *__arg, int flags) static char *sip_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) { struct __show_chan_arg arg = { .fd = a->fd, .numchans = 0 }; - + struct sip_pvt *cur; + struct ao2_iterator i; if (cmd == CLI_INIT) { e->command = "sip show {channels|subscriptions}"; @@ -21759,7 +21764,11 @@ static char *sip_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_ ast_cli(arg.fd, FORMAT3, "Peer", "User", "Call ID", "Extension", "Last state", "Type", "Mailbox", "Expiry"); /* iterate on the container and invoke the callback on each item */ - ao2_t_callback(dialogs, OBJ_NODATA, show_channels_cb, &arg, "callback to show channels"); + i = ao2_iterator_init(dialogs, 0); + for (; (cur = ao2_iterator_next(&i)); ao2_ref(cur, -1)) { + show_channels_cb(cur, &arg); + } + ao2_iterator_destroy(&i); /* print summary information */ ast_cli(arg.fd, "%d active SIP %s%s\n", arg.numchans, |