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nbd: move socket wrappers to qemu-nbd

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qemu-nbd is one of the few valid users of qerror_report_err.  Move
the error-reporting socket wrappers there.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-02-17 14:43:51 +01:00 • committed by Kevin Wolf
parent c06b72781d
commit 537b41f501
3 changed files with 52 additions and 54 deletions
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50
nbd.c
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@ -188,56 +188,6 @@ static ssize_t write_sync(int fd, void *buffer, size_t size)
return ret;
}
static void combine_addr(char *buf, size_t len, const char* address,
uint16_t port)
{
/* If the address-part contains a colon, it's an IPv6 IP so needs [] */
if (strstr(address, ":")) {
snprintf(buf, len, "[%s]:%u", address, port);
} else {
snprintf(buf, len, "%s:%u", address, port);
}
}
int tcp_socket_incoming(const char *address, uint16_t port)
{
char address_and_port[128];
Error *local_err = NULL;
combine_addr(address_and_port, 128, address, port);
int fd = inet_listen(address_and_port, NULL, 0, SOCK_STREAM, 0, &local_err);
if (local_err != NULL) {
qerror_report_err(local_err);
error_free(local_err);
}
return fd;
}
int unix_socket_incoming(const char *path)
{
Error *local_err = NULL;
int fd = unix_listen(path, NULL, 0, &local_err);
if (local_err != NULL) {
qerror_report_err(local_err);
error_free(local_err);
}
return fd;
}
int unix_socket_outgoing(const char *path)
{
Error *local_err = NULL;
int fd = unix_connect(path, &local_err);
if (local_err != NULL) {
qerror_report_err(local_err);
error_free(local_err);
}
return fd;
}
/* Basic flow for negotiation
Server Client