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[Qemu-devel] [PATCH v2 3/9] net: introduce tcp_client_start()
From: |
Amos Kong |
Subject: |
[Qemu-devel] [PATCH v2 3/9] net: introduce tcp_client_start() |
Date: |
Mon, 05 Mar 2012 18:03:38 +0800 |
User-agent: |
StGit/0.15 |
Introduce tcp_client_start() by moving original code in
tcp_start_outgoing_migration().
Signed-off-by: Amos Kong <address@hidden>
---
net.c | 39 +++++++++++++++++++++++++++++++++++++++
qemu_socket.h | 1 +
2 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/net.c b/net.c
index 0260968..5c20e22 100644
--- a/net.c
+++ b/net.c
@@ -126,6 +126,45 @@ int tcp_server_start(const char *str, int *fd)
return ret;
}
+int tcp_client_start(const char *str, int *fd)
+{
+ struct sockaddr_in saddr;
+ int ret;
+
+ if (parse_host_port(&saddr, str) < 0) {
+ return -EINVAL;
+ }
+
+ *fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
+ if (fd < 0) {
+ perror("socket");
+ return -1;
+ }
+ socket_set_nonblock(*fd);
+
+ for (;;) {
+ ret = connect(*fd, (struct sockaddr *)&saddr, sizeof(saddr));
+ if (ret < 0) {
+ ret = -socket_error();
+ if (ret == -EINPROGRESS) {
+ break;
+#ifdef _WIN32
+ } else if (ret == -WSAEALREADY || ret == -WSAEINVAL) {
+ break;
+#endif
+ } else if (ret != -EINTR && ret != -EWOULDBLOCK) {
+ perror("connect");
+ closesocket(*fd);
+ return -1;
+ }
+ } else {
+ break;
+ }
+ }
+
+ return ret;
+}
+
int parse_host_port(struct sockaddr_in *saddr, const char *str)
{
char buf[512];
diff --git a/qemu_socket.h b/qemu_socket.h
index d612793..9246578 100644
--- a/qemu_socket.h
+++ b/qemu_socket.h
@@ -55,6 +55,7 @@ int unix_connect_opts(QemuOpts *opts);
int unix_connect(const char *path);
int tcp_server_start(const char *str, int *fd);
+int tcp_client_start(const char *str, int *fd);
/* Old, ipv4 only bits. Don't use for new code. */
int parse_host_port(struct sockaddr_in *saddr, const char *str);
- [Qemu-devel] [PATCH v2 0/9] support to migrate with IPv6 address, Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 1/9] net: introduce tcp_server_start(), Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 2/9] net: use tcp_server_start() for tcp server creation, Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 3/9] net: introduce tcp_client_start(),
Amos Kong <=
- [Qemu-devel] [PATCH v2 4/9] net: use tcp_client_start for tcp client creation, Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 5/9] net: refector tcp_*_start functions, Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 8/9] net: split hostname and service by last colon, Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 9/9] net: support to include ipv6 address by brackets, Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 7/9] net: introduce parse_host_port_info(), Amos Kong, 2012/03/05
- [Qemu-devel] [PATCH v2 6/9] net: use getaddrinfo() in tcp_start_common, Amos Kong, 2012/03/05