wg: retry name resolution on temporary failure
This should solve many problems at init time. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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@ -8,6 +8,7 @@
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <errno.h>
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@ -189,7 +190,15 @@ static inline bool parse_endpoint(struct sockaddr *endpoint, const char *value)
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*end = '\0';
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*end = '\0';
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++end;
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++end;
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}
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}
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for (unsigned int timeout = 1000000; timeout < 90000000; timeout = timeout * 3 / 2) {
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ret = getaddrinfo(begin, end, &hints, &resolved);
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ret = getaddrinfo(begin, end, &hints, &resolved);
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if (ret != EAI_AGAIN)
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break;
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fprintf(stderr, "%s: `%s`. Trying again in %.2f seconds...\n", gai_strerror(ret), value, timeout / 1000000.0);
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usleep(timeout);
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}
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if (ret != 0) {
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if (ret != 0) {
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free(mutable);
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free(mutable);
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fprintf(stderr, "%s: `%s`\n", gai_strerror(ret), value);
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fprintf(stderr, "%s: `%s`\n", gai_strerror(ret), value);
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