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qemu-sockets: add error propagation to inet_parse

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Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-09-19 13:22:21 +02:00
parent 4f085c8229
commit 2f002c43eb
1 changed files with 21 additions and 20 deletions
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41
qemu-sockets.c
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@ -480,7 +480,7 @@ err:
}
/* compatibility wrapper */
static int inet_parse(QemuOpts *opts, const char *str)
static void inet_parse(QemuOpts *opts, const char *str, Error **errp)
{
const char *optstr, *h;
char addr[64];
@ -492,32 +492,28 @@ static int inet_parse(QemuOpts *opts, const char *str)
/* no host given */
addr[0] = '\0';
if (1 != sscanf(str,":%32[^,]%n",port,&pos)) {
fprintf(stderr, "%s: portonly parse error (%s)\n",
__FUNCTION__, str);
return -1;
error_setg(errp, "error parsing port in address '%s'", str);
return;
}
} else if (str[0] == '[') {
/* IPv6 addr */
if (2 != sscanf(str,"[%64[^]]]:%32[^,]%n",addr,port,&pos)) {
fprintf(stderr, "%s: ipv6 parse error (%s)\n",
__FUNCTION__, str);
return -1;
error_setg(errp, "error parsing IPv6 address '%s'", str);
return;
}
qemu_opt_set(opts, "ipv6", "on");
} else if (qemu_isdigit(str[0])) {
/* IPv4 addr */
if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) {
fprintf(stderr, "%s: ipv4 parse error (%s)\n",
__FUNCTION__, str);
return -1;
error_setg(errp, "error parsing IPv4 address '%s'", str);
return;
}
qemu_opt_set(opts, "ipv4", "on");
} else {
/* hostname */
if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) {
fprintf(stderr, "%s: hostname parse error (%s)\n",
__FUNCTION__, str);
return -1;
error_setg(errp, "error parsing address '%s'", str);
return;
}
}
qemu_opt_set(opts, "host", addr);
@ -532,7 +528,6 @@ static int inet_parse(QemuOpts *opts, const char *str)
qemu_opt_set(opts, "ipv4", "on");
if (strstr(optstr, ",ipv6"))
qemu_opt_set(opts, "ipv6", "on");
return 0;
}
int inet_listen(const char *str, char *ostr, int olen,
@ -541,9 +536,11 @@ int inet_listen(const char *str, char *ostr, int olen,
QemuOpts *opts;
char *optstr;
int sock = -1;
Error *local_err = NULL;
opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
if (inet_parse(opts, str) == 0) {
inet_parse(opts, str, &local_err);
if (local_err == NULL) {
sock = inet_listen_opts(opts, port_offset, errp);
if (sock != -1 && ostr) {
optstr = strchr(str, ',');
@ -560,7 +557,7 @@ int inet_listen(const char *str, char *ostr, int olen,
}
}
} else {
error_set(errp, QERR_SOCKET_CREATE_FAILED);
error_propagate(errp, local_err);
}
qemu_opts_del(opts);
return sock;
@ -578,12 +575,14 @@ int inet_connect(const char *str, Error **errp)
{
QemuOpts *opts;
int sock = -1;
Error *local_err = NULL;
opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
if (inet_parse(opts, str) == 0) {
inet_parse(opts, str, &local_err);
if (local_err == NULL) {
sock = inet_connect_opts(opts, errp, NULL, NULL);
} else {
error_set(errp, QERR_SOCKET_CREATE_FAILED);
error_propagate(errp, local_err);
}
qemu_opts_del(opts);
return sock;
@ -608,14 +607,16 @@ int inet_nonblocking_connect(const char *str,
{
QemuOpts *opts;
int sock = -1;
Error *local_err = NULL;
g_assert(callback != NULL);
opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
if (inet_parse(opts, str) == 0) {
inet_parse(opts, str, &local_err);
if (local_err == NULL) {
sock = inet_connect_opts(opts, errp, callback, opaque);
} else {
error_set(errp, QERR_SOCKET_CREATE_FAILED);
error_propagate(errp, local_err);
}
qemu_opts_del(opts);
return sock;