103 lines
3.6 KiB
Diff
103 lines
3.6 KiB
Diff
From: Sven Eckelmann <sven@narfation.org>
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Date: Mon, 15 Feb 2021 20:52:17 +0100
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Subject: alfred: Allow start of server without valid interface
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The alfred server always needs interfaces to operate on. But these
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interfaces might not exist at the moment when the daemon process is
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started. This caused an error and stopped the process.
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But alfred is able to deal with interfaces which disappeared at runtime but
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existed at startup. To force a similar behavior for the alfred startup, the
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parameter "--force" or "-f" is introduced.
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Forwarded: https://patchwork.open-mesh.org/project/b.a.t.m.a.n./patch/20210215200126.140253-4-sven@narfation.org/
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diff --git a/alfred.h b/alfred.h
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index f09eb497a6efe62d38891dcac2149a6473f9215a..5bd118cbc6052932cfad9f3eb258ceb4ce06cdc3 100644
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--- a/alfred.h
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+++ b/alfred.h
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@@ -117,6 +117,7 @@ struct globals {
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int clientmode_version;
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uint8_t verbose:1;
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uint8_t ipv4mode:1;
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+ uint8_t force:1;
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int unix_sock;
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const char *unix_path;
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diff --git a/main.c b/main.c
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index c7588505fb0a277de3a0c0ac08bb4365b9a9a2a1..2f77e1eb524f621391bf8ea7d56335e927e5197e 100644
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--- a/main.c
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+++ b/main.c
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@@ -164,6 +164,7 @@ static struct globals *alfred_init(int argc, char *argv[])
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{"version", no_argument, NULL, 'v'},
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{"verbose", no_argument, NULL, 'd'},
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{"sync-period", required_argument, NULL, 'p'},
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+ {"force", no_argument, NULL, 'f'},
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{NULL, 0, NULL, 0},
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};
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@@ -187,6 +188,7 @@ static struct globals *alfred_init(int argc, char *argv[])
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globals->unix_path = ALFRED_SOCK_PATH_DEFAULT;
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globals->verbose = false;
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globals->ipv4mode = false;
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+ globals->force = false;
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globals->update_command = NULL;
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globals->sync_period.tv_sec = ALFRED_INTERVAL;
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globals->sync_period.tv_nsec = 0;
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@@ -194,7 +196,7 @@ static struct globals *alfred_init(int argc, char *argv[])
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time_random_seed();
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- while ((opt = getopt_long(argc, argv, "ms:r:hi:b:vV:M:I:u:dc:p:4:", long_options,
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+ while ((opt = getopt_long(argc, argv, "ms:r:hi:b:vV:M:I:u:dc:p:4:f", long_options,
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&opt_ind)) != -1) {
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switch (opt) {
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case 'r':
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@@ -274,6 +276,9 @@ static struct globals *alfred_init(int argc, char *argv[])
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inet_pton(AF_INET, optarg, &alfred_mcast.ipv4);
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printf(" ** IPv4 Multicast Mode: %x\n", alfred_mcast.ipv4.s_addr);
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break;
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+ case 'f':
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+ globals->force = true;
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+ break;
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case 'h':
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default:
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alfred_usage();
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diff --git a/man/alfred.8 b/man/alfred.8
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index 7e31e12df0b7254e517001be5964d8c5088881e6..424633d4bdb16d25ce7b1a573cc58ab9f0dd1371 100644
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--- a/man/alfred.8
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+++ b/man/alfred.8
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@@ -72,6 +72,9 @@ Collect data from the network and prints it on the network
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\fB\-d\fP, \fB\-\-verbose\fP
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Show extra information in the data output
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.TP
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+\fB\-d\fP, \fB\-\-force\fP
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+Start server even when batman-adv or interface(s) are not yet available.
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+.TP
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\fB\-V\fP, \fB\-\-req\-version\fP \fIversion\fP
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Specify the data version set for \fB\-s\fP
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diff --git a/server.c b/server.c
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index 95fc3bc895bf46eb775bf64d963a6eec77399dba..de7ddcff2de8163457bd377c8da99ab3c66ff00e 100644
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--- a/server.c
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+++ b/server.c
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@@ -386,14 +386,15 @@ int alfred_server(struct globals *globals)
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}
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if (strcmp(globals->mesh_iface, "none") != 0 &&
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- batadv_interface_check(globals->mesh_iface) < 0) {
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+ batadv_interface_check(globals->mesh_iface) < 0 &&
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+ !globals->force) {
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fprintf(stderr, "Can't start server: batman-adv interface %s not found\n",
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globals->mesh_iface);
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return -1;
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}
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num_socks = netsock_open_all(globals);
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- if (num_socks <= 0) {
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+ if (num_socks <= 0 && !globals->force) {
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fprintf(stderr, "Failed to open interfaces\n");
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return -1;
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}
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