Re: [libvirt] [PATCH 16/23] qemu_conf: split out virQEMUDriverConfigLoadRemoteDisplayEntry

Split out parts of the config parsing code to make the parent function easier to read. Signed-off-by: Ján Tomko <jtomko(a)redhat.com&gt; --- src/qemu/qemu_conf.c | 131 +++++++++++++++++++++++-------------------- 1 file changed, 71 insertions(+), 60 deletions(-) diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index e03c0b29e3..317756d2a0 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -423,6 +423,76 @@ virQEMUDriverConfigHugeTLBFSInit(virHugeTLBFSPtr hugetlbfs, } +static int +virQEMUDriverConfigLoadRemoteDisplayEntry(virQEMUDriverConfigPtr cfg, + virConfPtr conf, + const char *filename) +{ + if (virConfGetValueUInt(conf, "remote_websocket_port_min", &cfg->webSocketPortMin) < 0) + return -1; + if (cfg->webSocketPortMin < QEMU_WEBSOCKET_PORT_MIN) { + /* if the port is too low, we can't get the display name + * to tell to vnc (usually subtract 5700, e.g. localhost:1 + * for port 5701) */ + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: remote_websocket_port_min: port must be greater " + "than or equal to %d"), + filename, QEMU_WEBSOCKET_PORT_MIN); + return -1; + } + + if (virConfGetValueUInt(conf, "remote_websocket_port_max", &cfg->webSocketPortMax) < 0) + return -1; + if (cfg->webSocketPortMax > QEMU_WEBSOCKET_PORT_MAX || + cfg->webSocketPortMax < cfg->webSocketPortMin) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: remote_websocket_port_max: port must be between " + "the minimal port and %d"), + filename, QEMU_WEBSOCKET_PORT_MAX); + return -1; + } + + if (cfg->webSocketPortMin > cfg->webSocketPortMax) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: remote_websocket_port_min: min port must not be " + "greater than max port"), filename); + return -1; + } + + if (virConfGetValueUInt(conf, "remote_display_port_min", &cfg->remotePortMin) < 0) + return -1; + if (cfg->remotePortMin < QEMU_REMOTE_PORT_MIN) { + /* if the port is too low, we can't get the display name + * to tell to vnc (usually subtract 5900, e.g. localhost:1 + * for port 5901) */ + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: remote_display_port_min: port must be greater " + "than or equal to %d"), + filename, QEMU_REMOTE_PORT_MIN); + return -1; + } + + if (virConfGetValueUInt(conf, "remote_display_port_max", &cfg->remotePortMax) < 0) + return -1; + if (cfg->remotePortMax > QEMU_REMOTE_PORT_MAX || + cfg->remotePortMax < cfg->remotePortMin) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: remote_display_port_max: port must be between " + "the minimal port and %d"), + filename, QEMU_REMOTE_PORT_MAX); + return -1; + } + + if (cfg->remotePortMin > cfg->remotePortMax) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: remote_display_port_min: min port must not be " + "greater than max port"), filename); + return -1; + } + + return 0; +} +