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pcp/redhat-bugzilla-2030140.patch

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diff -Naurp pcp-5.3.5.orig/qa/1458 pcp-5.3.5/qa/1458
--- pcp-5.3.5.orig/qa/1458 1970-01-01 10:00:00.000000000 +1000
+++ pcp-5.3.5/qa/1458 2021-12-09 11:25:01.973327231 +1100
@@ -0,0 +1,219 @@
+#!/bin/sh
+# PCP QA Test No. 1458
+# Exercise access pmproxy with secure.enabled = false
+#
+# The main purpose of this is to test that the component works correctly
+# when secure.enabled = false; we can expect the https URLs to fail.
+#
+# See https://github.com/performancecopilot/pcp/issues/1490
+
+# Copyright (c) 2019,2021 Red Hat
+# Modified by Netflix, Inc.
+#
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+# get standard environment, filters and checks
+. ./common.product
+. ./common.filter
+. ./common.check
+
+_check_series # pmseries availability means libuv is in use
+_check_valgrind
+openssl help 2>/dev/null || _notrun "No openssl binary found"
+
+if [ -f /etc/lsb-release ]
+then
+ . /etc/lsb-release
+ if [ "$DISTRIB_ID" = Ubuntu ]
+ then
+ # This test fails for Ubuntu 19.10 with a myriad of errors involving
+ # the use of uninitialized values. The code paths very but typically
+ # involve libuv -> libssl -> libcrypto
+ #
+ case "$DISTRIB_RELEASE"
+ in
+ 19.10)
+ _notrun "problems with libuv, libssl, libcrypto and valgrind on Ubuntu $DISTRIB_RELEASE"
+ ;;
+ esac
+ fi
+fi
+
+_cleanup()
+{
+ cd $here
+ if $need_restore
+ then
+ need_restore=false
+ _restore_config $PCP_SYSCONF_DIR/labels
+ _sighup_pmcd
+ fi
+ $sudo rm -rf $tmp $tmp.*
+}
+
+status=1 # failure is the default!
+need_restore=false
+username=`id -u -n`
+$sudo rm -rf $tmp $tmp.* $seq.full
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_check_empty()
+{
+ tee -a $seq.full > $tmp.unfiltered
+ if [ -s $tmp.unfiltered ]
+ then
+ echo "Botch: got output from curl"
+ else
+ echo "Good!, empty output from curl"
+ fi
+}
+
+_filter_json()
+{
+ tee -a $seq.full > $tmp.unfiltered
+ if [ -s $tmp.unfiltered ]
+ then
+ pmjson < $tmp.unfiltered > $tmp.filtered
+ status=$?
+ if [ $status -eq 0 ]; then
+ cat $tmp.filtered | \
+ sed \
+ -e '/"machineid": .*/d' \
+ -e 's,"series": .*,"series": "SERIES",g' \
+ -e 's,"context": .*,"context": "CONTEXT",g' \
+ -e 's,"hostname": .*,"hostname": "HOSTNAME",g' \
+ -e 's,"domainname": .*,"domainname": "DOMAINNAME",g' \
+ #end
+ else
+ echo "Invalid JSON: $status"
+ cat $tmp.unfiltered
+ rm -f $tmp.context
+ fi
+ else
+ echo "Botch: no output from curl"
+ fi
+}
+
+_filter_port()
+{
+ sed \
+ -e '/ ipv6 /d' \
+ -e "s/ $port / PORT /g" \
+ #end
+}
+
+# real QA test starts here
+_save_config $PCP_SYSCONF_DIR/labels
+need_restore=true
+
+$sudo rm -rf $PCP_SYSCONF_DIR/labels/*
+_sighup_pmcd
+
+openssl req \
+ -new -newkey rsa:4096 -days 365 -nodes -x509 \
+ -subj "/C=US/ST=Denial/L=Springfield/O=Dis/CN=www.pcpqa.com" \
+ -keyout $tmp.key -out $tmp.cert >$seq.full 2>&1
+# creates a self-signed (insecure) certificate, so for testing only
+
+echo "[pmproxy]" >> $tmp.conf
+echo "pcp.enabled = true" >> $tmp.conf
+echo "http.enabled = true" >> $tmp.conf
+echo "redis.enabled = false" >> $tmp.conf
+echo "secure.enabled = false" >> $tmp.conf
+
+port=`_find_free_port`
+mkdir -p $tmp.pmproxy/pmproxy
+export PCP_RUN_DIR=$tmp.pmproxy
+export PCP_TMP_DIR=$tmp.pmproxy
+
+$_valgrind_clean_assert pmproxy -f -l- --timeseries \
+ -c $tmp.conf -p $port -U $username \
+ >$tmp.valout 2>$tmp.valerr &
+pid=$!
+
+echo "valgrind pid: $pid" >>$seq.full
+echo "pmproxy port: $port" >>$seq.full
+
+# valgrind takes awhile to fire up
+i=0
+while [ $i -lt 40 ]
+do
+ $PCP_BINADM_DIR/telnet-probe -c localhost $port && break
+ sleep 1
+ i=`expr $i + 1`
+done
+if $PCP_BINADM_DIR/telnet-probe -c localhost $port
+then
+ echo "Startup took $i secs" >>$seq.full
+else
+ echo "Arrgh: valgrind failed start pmproxy and get port $port ready after 30 secs"
+ exit
+fi
+
+date >>$seq.full
+echo "=== checking serial http operation ===" | tee -a $seq.full
+for i in 1 2 3 4; do
+ curl -Gs "http://localhost:$port/pmapi/metric?name=sample.long.ten" 2>$tmp.err$i >$tmp.out$i
+done
+for i in 1 2 3 4; do
+echo === out$i === | tee -a $seq.full
+_filter_json < $tmp.out$i
+done
+
+date >>$seq.full
+echo "=== checking parallel http operation ===" | tee -a $seq.full
+for i in 1 2 3 4; do
+ curl -Gs "http://localhost:$port/pmapi/metric?name=sample.long.ten" 2>$tmp.err$i >$tmp.out$i & 2>/dev/null eval pid$i=$!
+done
+wait $pid1 $pid2 $pid3 $pid4
+for i in 1 2 3 4; do
+echo === out$i === | tee -a $seq.full
+_filter_json < $tmp.out$i
+done
+
+date >>$seq.full
+echo "=== checking serial https/TLS operation ===" | tee -a $seq.full
+for i in 1 2 3 4; do
+ curl -k -Gs "https://localhost:$port/pmapi/metric?name=sample.long.ten" 2>$tmp.err$i >$tmp.out$i
+done
+for i in 1 2 3 4; do
+echo === out$i === | tee -a $seq.full
+_check_empty < $tmp.out$i
+done
+
+date >>$seq.full
+echo "=== checking parallel https/TLS operation ===" | tee -a $seq.full
+for i in 1 2 3 4; do
+ curl -k -Gs "https://localhost:$port/pmapi/metric?name=sample.long.ten" 2>$tmp.err$i >$tmp.out$i & 2>/dev/null eval pid$i=$!
+done
+wait $pid1 $pid2 $pid3 $pid4
+for i in 1 2 3 4; do
+echo === out$i === | tee -a $seq.full
+_check_empty < $tmp.out$i
+done
+
+echo "=== check pmproxy is running ==="
+pminfo -v -h localhost@localhost:$port hinv.ncpu
+if [ $? -eq 0 ]; then
+ echo "pmproxy check passed"
+else
+ echo "pmproxy check failed"
+fi
+
+# valgrind takes awhile to shutdown too
+pmsignal $pid >/dev/null 2>&1
+pmsleep 3.5
+echo "=== valgrind stdout ===" | tee -a $seq.full
+cat $tmp.valout | _filter_valgrind
+
+echo "=== valgrind stderr ===" | tee -a $seq.full
+cat $tmp.valerr | _filter_pmproxy_log | _filter_port
+
+# final kill if it's spinning
+$sudo kill -9 $pid >/dev/null 2>&1
+
+# success, all done
+status=0
+exit
diff -Naurp pcp-5.3.5.orig/qa/1458.out pcp-5.3.5/qa/1458.out
--- pcp-5.3.5.orig/qa/1458.out 1970-01-01 10:00:00.000000000 +1000
+++ pcp-5.3.5/qa/1458.out 2021-12-09 11:25:01.973327231 +1100
@@ -0,0 +1,221 @@
+QA output created by 1458
+=== checking serial http operation ===
+=== out1 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== out2 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== out3 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== out4 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== checking parallel http operation ===
+=== out1 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== out2 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== out3 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== out4 ===
+{
+ "context": "CONTEXT"
+ "metrics": [
+ {
+ "name": "sample.long.ten",
+ "series": "SERIES"
+ "pmid": "29.0.11",
+ "type": "32",
+ "sem": "instant",
+ "units": "none",
+ "labels": {
+ "agent": "sample",
+ "cluster": "zero",
+ "domainname": "DOMAINNAME"
+ "hostname": "HOSTNAME"
+ "role": "testing"
+ },
+ "text-oneline": "10 as a 32-bit integer",
+ "text-help": "10 as a 32-bit integer"
+ }
+ ]
+}
+=== checking serial https/TLS operation ===
+=== out1 ===
+Good!, empty output from curl
+=== out2 ===
+Good!, empty output from curl
+=== out3 ===
+Good!, empty output from curl
+=== out4 ===
+Good!, empty output from curl
+=== checking parallel https/TLS operation ===
+=== out1 ===
+Good!, empty output from curl
+=== out2 ===
+Good!, empty output from curl
+=== out3 ===
+Good!, empty output from curl
+=== out4 ===
+Good!, empty output from curl
+=== check pmproxy is running ===
+pmproxy check passed
+=== valgrind stdout ===
+=== valgrind stderr ===
+Log for pmproxy on HOST started DATE
+
+pmproxy: PID = PID
+pmproxy request port(s):
+ sts fd port family address
+ === ==== ===== ====== =======
+ok FD unix UNIX_DOMAIN_SOCKET
+ok FD PORT inet INADDR_ANY
+[DATE] pmproxy(PID) Info: pmproxy caught SIGTERM
+[DATE] pmproxy(PID) Info: pmproxy Shutdown
+
+Log finished DATE
diff -Naurp pcp-5.3.5.orig/src/pmproxy/src/pcp.c pcp-5.3.5/src/pmproxy/src/pcp.c
--- pcp-5.3.5.orig/src/pmproxy/src/pcp.c 2021-09-24 09:33:06.000000000 +1000
+++ pcp-5.3.5/src/pmproxy/src/pcp.c 2021-12-09 11:22:09.829321418 +1100
@@ -1,6 +1,6 @@
/*
- * Copyright (c) 2018-2019 Red Hat.
- *
+ * Copyright (c) 2018-2019,2021 Red Hat.
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
@@ -19,22 +19,13 @@
#define PDU_MAXLENGTH (MAXHOSTNAMELEN + HEADER_LENGTH + sizeof("65536")-1)
static void
-client_free(struct client *client)
-{
- if (client->u.pcp.hostname)
- sdsfree(client->u.pcp.hostname);
- if (client->buffer)
- sdsfree(client->buffer);
-}
-
-static void
on_server_close(uv_handle_t *handle)
{
struct client *client = (struct client *)handle;
if (pmDebugOptions.pdu)
fprintf(stderr, "client %p pmcd connection closed\n", client);
- client_free(client);
+ client_put(client);
}
static void
@@ -92,12 +83,11 @@ on_server_read(uv_stream_t *stream, ssiz
void
on_pcp_client_close(struct client *client)
{
- if (client->u.pcp.connected) {
+ if (client->u.pcp.connected)
uv_close((uv_handle_t *)&client->u.pcp.socket, on_server_close);
- memset(&client->u.pcp, 0, sizeof(client->u.pcp));
- } else {
- client_free(client);
- }
+ if (client->u.pcp.hostname)
+ sdsfree(client->u.pcp.hostname);
+ memset(&client->u.pcp, 0, sizeof(client->u.pcp));
}
static void
@@ -118,6 +108,8 @@ on_pcp_client_connect(uv_connect_t *conn
/* socket connection to pmcd successfully established */
client->u.pcp.state = PCP_PROXY_SETUP;
+ client->u.pcp.connected = 1;
+ client_get(client);
/* if we have already received PDUs, send them on now */
if ((buffer = client->buffer) != NULL) {
diff -Naurp pcp-5.3.5.orig/src/pmproxy/src/secure.c pcp-5.3.5/src/pmproxy/src/secure.c
--- pcp-5.3.5.orig/src/pmproxy/src/secure.c 2021-11-01 13:02:26.000000000 +1100
+++ pcp-5.3.5/src/pmproxy/src/secure.c 2021-12-09 11:22:09.831321384 +1100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2019 Red Hat.
+ * Copyright (c) 2019,2021 Red Hat.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
@@ -16,7 +16,7 @@
#include <openssl/opensslv.h>
#include <openssl/ssl.h>
-/* called with proxy->mutex locked */
+/* called with proxy->write_mutex locked */
static void
remove_connection_from_queue(struct client *client)
{
@@ -44,9 +44,9 @@ on_secure_client_close(struct client *cl
if (pmDebugOptions.auth || pmDebugOptions.http)
fprintf(stderr, "%s: client %p\n", "on_secure_client_close", client);
- uv_mutex_lock(&client->proxy->mutex);
+ uv_mutex_lock(&client->proxy->write_mutex);
remove_connection_from_queue(client);
- uv_mutex_unlock(&client->proxy->mutex);
+ uv_mutex_unlock(&client->proxy->write_mutex);
/* client->read and client->write freed by SSL_free */
SSL_free(client->secure.ssl);
}
@@ -63,7 +63,7 @@ maybe_flush_ssl(struct proxy *proxy, str
client->secure.pending.writes_count > 0)
return;
- uv_mutex_lock(&proxy->mutex);
+ uv_mutex_lock(&proxy->write_mutex);
if (proxy->pending_writes == NULL) {
proxy->pending_writes = client;
client->secure.pending.prev = client->secure.pending.next = NULL;
@@ -75,7 +75,7 @@ maybe_flush_ssl(struct proxy *proxy, str
client->secure.pending.prev = c;
}
client->secure.pending.queued = 1;
- uv_mutex_unlock(&proxy->mutex);
+ uv_mutex_unlock(&proxy->write_mutex);
}
static void
@@ -161,7 +161,7 @@ flush_secure_module(struct proxy *proxy)
size_t i, used;
int sts;
- uv_mutex_lock(&proxy->mutex);
+ uv_mutex_lock(&proxy->write_mutex);
head = &proxy->pending_writes;
while ((client = *head) != NULL) {
flush_ssl_buffer(client);
@@ -212,7 +212,7 @@ flush_secure_module(struct proxy *proxy)
sizeof(uv_buf_t) * client->secure.pending.writes_count);
}
}
- uv_mutex_unlock(&proxy->mutex);
+ uv_mutex_unlock(&proxy->write_mutex);
}
void
@@ -221,7 +221,8 @@ secure_client_write(struct client *clien
struct proxy *proxy = client->proxy;
uv_buf_t *dup;
size_t count, bytes;
- int i, sts, defer = 0, maybe = 0;
+ unsigned int i;
+ int sts, defer = 0, maybe = 0;
for (i = 0; i < request->nbuffers; i++) {
if (defer == 0) {
diff -Naurp pcp-5.3.5.orig/src/pmproxy/src/server.c pcp-5.3.5/src/pmproxy/src/server.c
--- pcp-5.3.5.orig/src/pmproxy/src/server.c 2021-11-01 13:02:26.000000000 +1100
+++ pcp-5.3.5/src/pmproxy/src/server.c 2021-12-09 11:22:09.831321384 +1100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2019 Red Hat.
+ * Copyright (c) 2018-2019,2021 Red Hat.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
@@ -125,7 +125,7 @@ server_init(int portcount, const char *l
pmGetProgname());
return NULL;
}
- uv_mutex_init(&proxy->mutex);
+ uv_mutex_init(&proxy->write_mutex);
count = portcount + (*localpath ? 1 : 0);
if (count) {
@@ -229,7 +229,6 @@ void
client_put(struct client *client)
{
unsigned int refcount;
- struct proxy *proxy = client->proxy;
uv_mutex_lock(&client->mutex);
assert(client->refcount);
@@ -237,22 +236,16 @@ client_put(struct client *client)
uv_mutex_unlock(&client->mutex);
if (refcount == 0) {
- /* remove client from the doubly-linked list */
- uv_mutex_lock(&proxy->mutex);
- if (client->next != NULL)
- client->next->prev = client->prev;
- *client->prev = client->next;
- uv_mutex_unlock(&proxy->mutex);
-
if (client->protocol & STREAM_PCP)
on_pcp_client_close(client);
if (client->protocol & STREAM_HTTP)
on_http_client_close(client);
if (client->protocol & STREAM_REDIS)
on_redis_client_close(client);
- if (client->protocol & STREAM_SECURE)
+ if ((client->protocol & STREAM_SECURE) && client->stream.secure)
on_secure_client_close(client);
-
+ if (client->buffer)
+ sdsfree(client->buffer);
memset(client, 0, sizeof(*client));
free(client);
}
@@ -284,7 +277,7 @@ on_client_write(uv_write_t *writer, int
"on_client_write", status, client);
if (status == 0) {
- if (client->protocol & STREAM_SECURE)
+ if ((client->protocol & STREAM_SECURE) && client->stream.secure)
on_secure_client_write(client);
if (client->protocol & STREAM_PCP)
on_pcp_client_write(client);
@@ -434,10 +427,16 @@ on_client_read(uv_stream_t *stream, ssiz
if (nread > 0) {
if (client->protocol == STREAM_UNKNOWN)
client->protocol |= client_protocol(*buf->base);
- if (client->protocol & STREAM_SECURE)
+
+#ifdef HAVE_OPENSSL
+ if ((client->protocol & STREAM_SECURE) && (proxy->ssl != NULL))
on_secure_client_read(proxy, client, nread, buf);
else
on_protocol_read(stream, nread, buf);
+#else
+ on_protocol_read(stream, nread, buf);
+#endif
+
} else if (nread < 0) {
if (pmDebugOptions.af)
fprintf(stderr, "%s: read error %ld "
@@ -494,14 +493,6 @@ on_client_connection(uv_stream_t *stream
handle->data = (void *)proxy;
client->proxy = proxy;
- /* insert client into doubly-linked list at the head */
- uv_mutex_lock(&proxy->mutex);
- if ((client->next = proxy->first) != NULL)
- proxy->first->prev = &client->next;
- proxy->first = client;
- client->prev = &proxy->first;
- uv_mutex_unlock(&proxy->mutex);
-
status = uv_read_start((uv_stream_t *)&client->stream.u.tcp,
on_buffer_alloc, on_client_read);
if (status != 0) {
@@ -719,7 +710,7 @@ shutdown_ports(void *arg)
struct proxy *proxy = (struct proxy *)arg;
struct server *server;
struct stream *stream;
- int i;
+ unsigned int i;
for (i = 0; i < proxy->nservers; i++) {
server = &proxy->servers[i];
@@ -756,7 +747,8 @@ dump_request_ports(FILE *output, void *a
struct proxy *proxy = (struct proxy *)arg;
struct stream *stream;
uv_os_fd_t uv_fd;
- int i, fd;
+ unsigned int i;
+ int fd;
fprintf(output, "%s request port(s):\n"
" sts fd port family address\n"
diff -Naurp pcp-5.3.5.orig/src/pmproxy/src/server.h pcp-5.3.5/src/pmproxy/src/server.h
--- pcp-5.3.5.orig/src/pmproxy/src/server.h 2021-09-24 09:33:06.000000000 +1000
+++ pcp-5.3.5/src/pmproxy/src/server.h 2021-12-09 11:22:09.830321401 +1100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2019 Red Hat.
+ * Copyright (c) 2018-2019,2021 Red Hat.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
@@ -97,11 +97,11 @@ typedef struct http_client {
typedef struct pcp_client {
pcp_proxy_state_t state;
- sds hostname;
unsigned int port : 16;
unsigned int certreq : 1;
unsigned int connected : 1;
unsigned int pad : 14;
+ sds hostname;
uv_connect_t pmcd;
uv_tcp_t socket;
} pcp_client_t;
@@ -136,8 +136,6 @@ typedef struct client {
pcp_client_t pcp;
} u;
struct proxy *proxy;
- struct client *next;
- struct client **prev;
sds buffer;
} client_t;
@@ -161,7 +159,7 @@ typedef struct proxy {
struct dict *config; /* configuration dictionary */
uv_loop_t *events; /* global, async event loop */
uv_callback_t write_callbacks;
- uv_mutex_t mutex; /* protects client lists and pending writes */
+ uv_mutex_t write_mutex; /* protects pending writes */
} proxy_t;
extern void proxylog(pmLogLevel, sds, void *);
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