From 8019308b2251077aeca3f2584b34b431d5da6074 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 9 Dec 2021 21:44:59 +0100
Subject: Merging upstream version 2.9.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/net_tcp.c | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

(limited to 'src/net_tcp.c')

diff --git a/src/net_tcp.c b/src/net_tcp.c
index 97d1f65..5473e4a 100644
--- a/src/net_tcp.c
+++ b/src/net_tcp.c
@@ -80,13 +80,20 @@ struct perf__tcp_socket {
 
     uint64_t            conn_ts;
     perf_socket_event_t conn_event, conning_event;
+
+    size_t       num_queries_per_conn, nqpc_timeout;
+    unsigned int nqpc_sent, nqpc_recv;
+    uint64_t     nqpc_ts;
 };
 
 static int perf__tcp_connect(struct perf_net_socket* sock)
 {
     int fd;
 
-    self->is_ready = true;
+    self->is_ready  = true;
+    self->nqpc_sent = 0;
+    ck_pr_store_uint(&self->nqpc_recv, 0);
+    self->nqpc_ts = 0;
 
     fd = socket(self->server.sa.sa.sa_family, SOCK_STREAM, 0);
     if (fd == -1) {
@@ -192,6 +199,9 @@ static ssize_t perf__tcp_recv(struct perf_net_socket* sock, void* buf, size_t le
     memcpy(buf, self->recvbuf + 2, len < dnslen ? len : dnslen);
     memmove(self->recvbuf, self->recvbuf + 2 + dnslen, self->at - 2 - dnslen);
     self->at -= 2 + dnslen;
+    if (self->num_queries_per_conn) {
+        ck_pr_inc_uint(&self->nqpc_recv);
+    }
 
     if (self->at > 2) {
         memcpy(&dnslen2, self->recvbuf, 2);
@@ -251,6 +261,7 @@ static ssize_t perf__tcp_sendto(struct perf_net_socket* sock, uint16_t qid, cons
         errno            = EINPROGRESS;
         return -1;
     }
+    self->nqpc_sent++;
 
     return n - 2;
 }
@@ -302,6 +313,17 @@ static int perf__tcp_sockready(struct perf_net_socket* sock, int pipe_fd, int64_
             if (sock->sent) {
                 sock->sent(sock, self->qid);
             }
+            self->nqpc_sent++;
+        }
+        if (self->num_queries_per_conn && self->nqpc_sent >= self->num_queries_per_conn) {
+            if (!self->nqpc_ts) {
+                self->nqpc_ts = perf_get_time() + self->nqpc_timeout;
+            }
+            unsigned int r = ck_pr_load_uint(&self->nqpc_recv);
+            if (r >= self->nqpc_sent || perf_get_time() > self->nqpc_ts) {
+                self->need_reconnect = true;
+            }
+            return 0;
         }
         return 1;
     }
@@ -352,6 +374,7 @@ conn_cont:
             if (sock->sent) {
                 sock->sent(sock, self->qid);
             }
+            self->nqpc_sent++;
         }
         return 1;
     }
@@ -367,6 +390,12 @@ static bool perf__tcp_have_more(struct perf_net_socket* sock)
     return self->have_more;
 }
 
+static void perf__tcp_num_queries_per_conn(struct perf_net_socket* sock, size_t num_queries_per_conn, size_t timeout)
+{
+    self->num_queries_per_conn = num_queries_per_conn;
+    self->nqpc_timeout         = timeout;
+}
+
 struct perf_net_socket* perf_net_tcp_opensocket(const perf_sockaddr_t* server, const perf_sockaddr_t* local, size_t bufsize, void* data, perf_net_sent_cb_t sent, perf_net_event_cb_t event)
 {
     struct perf__tcp_socket* tmp  = calloc(1, sizeof(struct perf__tcp_socket)); // clang scan-build
@@ -384,6 +413,8 @@ struct perf_net_socket* perf_net_tcp_opensocket(const perf_sockaddr_t* server, c
     sock->sockready = perf__tcp_sockready;
     sock->have_more = perf__tcp_have_more;
 
+    sock->num_queries_per_conn = perf__tcp_num_queries_per_conn;
+
     sock->data  = data;
     sock->sent  = sent;
     sock->event = event;
-- 
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