Update compression documentation
[fio.git] / client.c
index 09e810afc6120bb84b28e12164b09bb084661f59..779fb9d7f8d04f53bd56388d13f869d0760980e5 100644 (file)
--- a/client.c
+++ b/client.c
@@ -1312,14 +1312,16 @@ static void client_flush_hist_samples(FILE *f, int hist_coarseness, void *sample
 static int fio_client_handle_iolog(struct fio_client *client,
                                   struct fio_net_cmd *cmd)
 {
-       struct cmd_iolog_pdu *pdu;
+       struct cmd_iolog_pdu *pdu = NULL;
        bool store_direct;
-       char *log_pathname;
+       char *log_pathname = NULL;
+       int ret = 0;
 
        pdu = convert_iolog(cmd, &store_direct);
        if (!pdu) {
                log_err("fio: failed converting IO log\n");
-               return 1;
+               ret = 1;
+               goto out;
        }
 
         /* allocate buffer big enough for next sprintf() call */
@@ -1327,7 +1329,8 @@ static int fio_client_handle_iolog(struct fio_client *client,
                        strlen(client->hostname));
        if (!log_pathname) {
                log_err("fio: memory allocation of unique pathname failed\n");
-               return -1;
+               ret = -1;
+               goto out;
        }
        /* generate a unique pathname for the log file using hostname */
        sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
@@ -1342,7 +1345,8 @@ static int fio_client_handle_iolog(struct fio_client *client,
                if (fd < 0) {
                        log_err("fio: open log %s: %s\n",
                                log_pathname, strerror(errno));
-                       return 1;
+                       ret = 1;
+                       goto out;
                }
 
                sz = cmd->pdu_len - sizeof(*pdu);
@@ -1351,17 +1355,19 @@ static int fio_client_handle_iolog(struct fio_client *client,
 
                if (ret != sz) {
                        log_err("fio: short write on compressed log\n");
-                       return 1;
+                       ret = 1;
+                       goto out;
                }
 
-               return 0;
+               ret = 0;
        } else {
                FILE *f;
                f = fopen((const char *) log_pathname, "w");
                if (!f) {
                        log_err("fio: fopen log %s : %s\n",
                                log_pathname, strerror(errno));
-                       return 1;
+                       ret = 1;
+                       goto out;
                }
 
                if (pdu->log_type == IO_LOG_TYPE_HIST) {
@@ -1372,8 +1378,17 @@ static int fio_client_handle_iolog(struct fio_client *client,
                                        pdu->nr_samples * sizeof(struct io_sample));
                }
                fclose(f);
-               return 0;
+               ret = 0;
        }
+
+out:
+       if (pdu && pdu != (void *) cmd->payload)
+               free(pdu);
+
+       if (log_pathname)
+               free(log_pathname);
+
+       return ret;
 }
 
 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
@@ -1849,10 +1864,12 @@ static void request_client_etas(struct client_ops *ops)
 static int handle_cmd_timeout(struct fio_client *client,
                              struct fio_net_cmd_reply *reply)
 {
+       uint16_t reply_opcode = reply->opcode;
+
        flist_del(&reply->list);
        free(reply);
 
-       if (reply->opcode != FIO_NET_CMD_SEND_ETA)
+       if (reply_opcode != FIO_NET_CMD_SEND_ETA)
                return 1;
 
        log_info("client <%s>: timeout on SEND_ETA\n", client->hostname);