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author | TK MUN <tk.mun@samsung.com> | 2011-02-23 18:58:36 +0900 |
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committer | Irfan Sheriff <isheriff@google.com> | 2011-03-23 16:24:13 -0700 |
commit | 9d157870345fa18ee7e639a85f6bcc4afb50c648 (patch) | |
tree | 2197060e5dac82b577a962fa73d79e2c931aee46 /libnetutils | |
parent | e31f2cdde626a0ef6c731c98b92b5b2dc5a533f4 (diff) | |
download | system_core-9d157870345fa18ee7e639a85f6bcc4afb50c648.zip system_core-9d157870345fa18ee7e639a85f6bcc4afb50c648.tar.gz system_core-9d157870345fa18ee7e639a85f6bcc4afb50c648.tar.bz2 |
Add per interface dhcp client support
Added when using dhcp on both wimax and wifi. But should be useful across multiple
services running dhcp now. Also adds a renewal api
Change-Id: Ic850a612dd429cd675b5b0224ff58895f9d8e4d9
Signed-off-by: TK MUN <tk.mun@samsung.com>
Diffstat (limited to 'libnetutils')
-rw-r--r-- | libnetutils/dhcp_utils.c | 88 |
1 files changed, 81 insertions, 7 deletions
diff --git a/libnetutils/dhcp_utils.c b/libnetutils/dhcp_utils.c index 030e677..af82a3c 100644 --- a/libnetutils/dhcp_utils.c +++ b/libnetutils/dhcp_utils.c @@ -31,6 +31,7 @@ static const char HOSTNAME_PROP_NAME[] = "net.hostname"; static const char DHCP_PROP_NAME_PREFIX[] = "dhcp"; static const int NAP_TIME = 200; /* wait for 200ms at a time */ /* when polling for property values */ +static const char DAEMON_NAME_RENEW[] = "iprenew"; static char errmsg[100]; /* @@ -138,6 +139,7 @@ int dhcp_do_request(const char *interface, uint32_t *lease) { char result_prop_name[PROPERTY_KEY_MAX]; + char daemon_prop_name[PROPERTY_KEY_MAX]; char prop_value[PROPERTY_VALUE_MAX] = {'\0'}; char daemon_cmd[PROPERTY_VALUE_MAX * 2]; const char *ctrl_prop = "ctl.start"; @@ -146,18 +148,23 @@ int dhcp_do_request(const char *interface, snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result", DHCP_PROP_NAME_PREFIX, interface); + + snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s", + DAEMON_PROP_NAME, + interface); + /* Erase any previous setting of the dhcp result property */ property_set(result_prop_name, ""); /* Start the daemon and wait until it's ready */ if (property_get(HOSTNAME_PROP_NAME, prop_value, NULL) && (prop_value[0] != '\0')) - snprintf(daemon_cmd, sizeof(daemon_cmd), "%s:-h %s %s", DAEMON_NAME, + snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-h %s %s", DAEMON_NAME, interface, prop_value, interface); else - snprintf(daemon_cmd, sizeof(daemon_cmd), "%s:%s", DAEMON_NAME, interface); + snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME, interface, interface); memset(prop_value, '\0', PROPERTY_VALUE_MAX); property_set(ctrl_prop, daemon_cmd); - if (wait_for_property(DAEMON_PROP_NAME, desired_status, 10) < 0) { + if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) { snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for dhcpcd to start"); return -1; } @@ -199,15 +206,24 @@ int dhcp_do_request(const char *interface, int dhcp_stop(const char *interface) { char result_prop_name[PROPERTY_KEY_MAX]; + char daemon_prop_name[PROPERTY_KEY_MAX]; + char daemon_cmd[PROPERTY_VALUE_MAX * 2]; const char *ctrl_prop = "ctl.stop"; const char *desired_status = "stopped"; snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result", DHCP_PROP_NAME_PREFIX, interface); + + snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s", + DAEMON_PROP_NAME, + interface); + + snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, interface); + /* Stop the daemon and wait until it's reported to be stopped */ - property_set(ctrl_prop, DAEMON_NAME); - if (wait_for_property(DAEMON_PROP_NAME, desired_status, 5) < 0) { + property_set(ctrl_prop, daemon_cmd); + if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) { return -1; } property_set(result_prop_name, "failed"); @@ -219,12 +235,20 @@ int dhcp_stop(const char *interface) */ int dhcp_release_lease(const char *interface) { + char daemon_prop_name[PROPERTY_KEY_MAX]; + char daemon_cmd[PROPERTY_VALUE_MAX * 2]; const char *ctrl_prop = "ctl.stop"; const char *desired_status = "stopped"; + snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s", + DAEMON_PROP_NAME, + interface); + + snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, interface); + /* Stop the daemon and wait until it's reported to be stopped */ - property_set(ctrl_prop, DAEMON_NAME); - if (wait_for_property(DAEMON_PROP_NAME, desired_status, 5) < 0) { + property_set(ctrl_prop, daemon_cmd); + if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) { return -1; } return 0; @@ -233,3 +257,53 @@ int dhcp_release_lease(const char *interface) char *dhcp_get_errmsg() { return errmsg; } + +/** + * Run WiMAX dhcp renew service. + * "wimax_renew" service shoud be included in init.rc. + */ +int dhcp_do_request_renew(const char *interface, + in_addr_t *ipaddr, + in_addr_t *gateway, + in_addr_t *mask, + in_addr_t *dns1, + in_addr_t *dns2, + in_addr_t *server, + uint32_t *lease) +{ + char result_prop_name[PROPERTY_KEY_MAX]; + char prop_value[PROPERTY_VALUE_MAX] = {'\0'}; + char daemon_cmd[PROPERTY_VALUE_MAX * 2]; + const char *ctrl_prop = "ctl.start"; + + snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result", + DHCP_PROP_NAME_PREFIX, + interface); + + /* Erase any previous setting of the dhcp result property */ + property_set(result_prop_name, ""); + + /* Start the renew daemon and wait until it's ready */ + snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME_RENEW, interface, interface); + memset(prop_value, '\0', PROPERTY_VALUE_MAX); + property_set(ctrl_prop, daemon_cmd); + + /* Wait for the daemon to return a result */ + if (wait_for_property(result_prop_name, NULL, 30) < 0) { + snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP Renew to finish"); + return -1; + } + + if (!property_get(result_prop_name, prop_value, NULL)) { + /* shouldn't ever happen, given the success of wait_for_property() */ + snprintf(errmsg, sizeof(errmsg), "%s", "DHCP Renew result property was not set"); + return -1; + } + if (strcmp(prop_value, "ok") == 0) { + fill_ip_info(interface, ipaddr, gateway, mask, dns1, dns2, server, lease); + return 0; + } else { + snprintf(errmsg, sizeof(errmsg), "DHCP Renew result was %s", prop_value); + return -1; + } +} |