diff options
author | Tom Gundersen <teg@jklm.no> | 2014-01-14 18:18:43 +0100 |
---|---|---|
committer | Tom Gundersen <teg@jklm.no> | 2014-01-14 18:25:16 +0100 |
commit | 3bedba4ae1237d0b7ff4543f9a5c6234d342d98f (patch) | |
tree | 7231918cdcddae548fb7b70850a09f21305fae97 /src | |
parent | c2cb7cbbd526e572b1caa1d7f70be68195b513a9 (diff) |
sd-resolv: rename to sd-resolve
Lennart pointed out that we were misspelling 'resolve'. Let's not repeat the mistakes of 'umount'
and 'resolv.conf'.
Diffstat (limited to 'src')
-rw-r--r-- | src/libsystemd/resolve-util.h (renamed from src/libsystemd/resolv-util.h) | 12 | ||||
-rw-r--r-- | src/libsystemd/sd-resolve.c (renamed from src/libsystemd/sd-resolv.c) | 308 | ||||
-rw-r--r-- | src/libsystemd/test-resolve.c (renamed from src/libsystemd/test-resolv.c) | 44 | ||||
-rw-r--r-- | src/systemd/sd-resolve.h (renamed from src/systemd/sd-resolv.h) | 102 |
4 files changed, 233 insertions, 233 deletions
diff --git a/src/libsystemd/resolv-util.h b/src/libsystemd/resolve-util.h index 7b6ec70084..0761c96d96 100644 --- a/src/libsystemd/resolv-util.h +++ b/src/libsystemd/resolve-util.h @@ -23,9 +23,9 @@ #include "util.h" -DEFINE_TRIVIAL_CLEANUP_FUNC(sd_resolv_t*, sd_resolv_free); -DEFINE_TRIVIAL_CLEANUP_FUNC(unsigned char *, sd_resolv_freeanswer); -DEFINE_TRIVIAL_CLEANUP_FUNC(struct addrinfo*, sd_resolv_freeaddrinfo); -#define _cleanup_resolv_free_ _cleanup_(sd_resolv_freep) -#define _cleanup_resolv_answer_free_ _cleanup_(sd_resolv_freeanswerp) -#define _cleanup_resolv_addrinfo_free_ _cleanup_(sd_resolv_freeaddrinfop) +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_resolve_t*, sd_resolve_free); +DEFINE_TRIVIAL_CLEANUP_FUNC(unsigned char *, sd_resolve_freeanswer); +DEFINE_TRIVIAL_CLEANUP_FUNC(struct addrinfo*, sd_resolve_freeaddrinfo); +#define _cleanup_resolve_free_ _cleanup_(sd_resolve_freep) +#define _cleanup_resolve_answer_free_ _cleanup_(sd_resolve_freeanswerp) +#define _cleanup_resolve_addrinfo_free_ _cleanup_(sd_resolve_freeaddrinfop) diff --git a/src/libsystemd/sd-resolv.c b/src/libsystemd/sd-resolve.c index b8288bafb9..269f5170bd 100644 --- a/src/libsystemd/sd-resolv.c +++ b/src/libsystemd/sd-resolve.c @@ -41,7 +41,7 @@ #include <pthread.h> #include <sys/prctl.h> -#include "sd-resolv.h" +#include "sd-resolve.h" #include "util.h" #define MAX_WORKERS 16 @@ -68,27 +68,27 @@ enum { MESSAGE_FD_MAX = 4 }; -struct sd_resolv { +struct sd_resolve { int fds[MESSAGE_FD_MAX]; pthread_t workers[MAX_WORKERS]; unsigned valid_workers; unsigned current_id, current_index; - sd_resolv_query_t* queries[MAX_QUERIES]; + sd_resolve_query_t* queries[MAX_QUERIES]; - sd_resolv_query_t *done_head, *done_tail; + sd_resolve_query_t *done_head, *done_tail; int n_queries; int dead; }; -struct sd_resolv_query { - sd_resolv_t *resolv; +struct sd_resolve_query { + sd_resolve_t *resolve; int done; unsigned id; query_type_t type; - sd_resolv_query_t *done_next, *done_prev; + sd_resolve_query_t *done_next, *done_prev; int ret; int _errno; int _h_errno; @@ -383,18 +383,18 @@ static int handle_request(int out_fd, const packet_t *packet, size_t length) { } static void* thread_worker(void *p) { - sd_resolv_t *resolv = p; + sd_resolve_t *resolve = p; sigset_t fullset; /* No signals in this thread please */ sigfillset(&fullset); pthread_sigmask(SIG_BLOCK, &fullset, NULL); - while (!resolv->dead) { + while (!resolve->dead) { packet_t buf[BUFSIZE/sizeof(packet_t) + 1]; ssize_t length; - length = recv(resolv->fds[REQUEST_RECV_FD], buf, sizeof(buf), 0); + length = recv(resolve->fds[REQUEST_RECV_FD], buf, sizeof(buf), 0); if (length <= 0) { if (length < 0 && (errno == EAGAIN || errno == EINTR)) @@ -402,20 +402,20 @@ static void* thread_worker(void *p) { break; } - if (resolv->dead) + if (resolve->dead) break; - if (handle_request(resolv->fds[RESPONSE_SEND_FD], buf, (size_t) length) < 0) + if (handle_request(resolve->fds[RESPONSE_SEND_FD], buf, (size_t) length) < 0) break; } - send_died(resolv->fds[RESPONSE_SEND_FD]); + send_died(resolve->fds[RESPONSE_SEND_FD]); return NULL; } -sd_resolv_t* sd_resolv_new(unsigned n_proc) { - sd_resolv_t *resolv = NULL; +sd_resolve_t* sd_resolve_new(unsigned n_proc) { + sd_resolve_t *resolve = NULL; int i, r; assert(n_proc >= 1); @@ -423,61 +423,61 @@ sd_resolv_t* sd_resolv_new(unsigned n_proc) { if (n_proc > MAX_WORKERS) n_proc = MAX_WORKERS; - resolv = malloc(sizeof(sd_resolv_t)); - if (!resolv) { + resolve = malloc(sizeof(sd_resolve_t)); + if (!resolve) { errno = ENOMEM; goto fail; } - resolv->dead = 0; - resolv->valid_workers = 0; + resolve->dead = 0; + resolve->valid_workers = 0; for (i = 0; i < MESSAGE_FD_MAX; i++) - resolv->fds[i] = -1; + resolve->fds[i] = -1; - memset(resolv->queries, 0, sizeof(resolv->queries)); + memset(resolve->queries, 0, sizeof(resolve->queries)); - r = socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolv->fds); + r = socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolve->fds); if (r < 0) goto fail; - r = socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolv->fds+2); + r = socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolve->fds+2); if (r < 0) goto fail; - for (resolv->valid_workers = 0; resolv->valid_workers < n_proc; resolv->valid_workers++) { - r = pthread_create(&resolv->workers[resolv->valid_workers], NULL, thread_worker, resolv); + for (resolve->valid_workers = 0; resolve->valid_workers < n_proc; resolve->valid_workers++) { + r = pthread_create(&resolve->workers[resolve->valid_workers], NULL, thread_worker, resolve); if (r) { errno = r; goto fail; } } - resolv->current_index = resolv->current_id = 0; - resolv->done_head = resolv->done_tail = NULL; - resolv->n_queries = 0; + resolve->current_index = resolve->current_id = 0; + resolve->done_head = resolve->done_tail = NULL; + resolve->n_queries = 0; - fd_nonblock(resolv->fds[RESPONSE_RECV_FD], true); + fd_nonblock(resolve->fds[RESPONSE_RECV_FD], true); - return resolv; + return resolve; fail: - if (resolv) - sd_resolv_free(resolv); + if (resolve) + sd_resolve_free(resolve); return NULL; } -void sd_resolv_free(sd_resolv_t *resolv) { +void sd_resolve_free(sd_resolve_t *resolve) { int i; int saved_errno = errno; unsigned p; - assert(resolv); + assert(resolve); - resolv->dead = 1; + resolve->dead = 1; - if (resolv->fds[REQUEST_SEND_FD] >= 0) { + if (resolve->fds[REQUEST_SEND_FD] >= 0) { rheader_t req = {}; req.type = REQUEST_TERMINATE; @@ -485,43 +485,43 @@ void sd_resolv_free(sd_resolv_t *resolv) { req.id = 0; /* Send one termination packet for each worker */ - for (p = 0; p < resolv->valid_workers; p++) - send(resolv->fds[REQUEST_SEND_FD], &req, req.length, MSG_NOSIGNAL); + for (p = 0; p < resolve->valid_workers; p++) + send(resolve->fds[REQUEST_SEND_FD], &req, req.length, MSG_NOSIGNAL); } /* Now terminate them and wait until they are gone. */ - for (p = 0; p < resolv->valid_workers; p++) { + for (p = 0; p < resolve->valid_workers; p++) { for (;;) { - if (pthread_join(resolv->workers[p], NULL) != EINTR) + if (pthread_join(resolve->workers[p], NULL) != EINTR) break; } } /* Close all communication channels */ for (i = 0; i < MESSAGE_FD_MAX; i++) - if (resolv->fds[i] >= 0) - close(resolv->fds[i]); + if (resolve->fds[i] >= 0) + close(resolve->fds[i]); for (p = 0; p < MAX_QUERIES; p++) - if (resolv->queries[p]) - sd_resolv_cancel(resolv, resolv->queries[p]); + if (resolve->queries[p]) + sd_resolve_cancel(resolve, resolve->queries[p]); - free(resolv); + free(resolve); errno = saved_errno; } -int sd_resolv_fd(sd_resolv_t *resolv) { - assert(resolv); +int sd_resolve_fd(sd_resolve_t *resolve) { + assert(resolve); - return resolv->fds[RESPONSE_RECV_FD]; + return resolve->fds[RESPONSE_RECV_FD]; } -static sd_resolv_query_t *lookup_query(sd_resolv_t *resolv, unsigned id) { - sd_resolv_query_t *q; - assert(resolv); +static sd_resolve_query_t *lookup_query(sd_resolve_t *resolve, unsigned id) { + sd_resolve_query_t *q; + assert(resolve); - q = resolv->queries[id % MAX_QUERIES]; + q = resolve->queries[id % MAX_QUERIES]; if (q) if (q->id == id) return q; @@ -529,19 +529,19 @@ static sd_resolv_query_t *lookup_query(sd_resolv_t *resolv, unsigned id) { return NULL; } -static void complete_query(sd_resolv_t *resolv, sd_resolv_query_t *q) { - assert(resolv); +static void complete_query(sd_resolve_t *resolve, sd_resolve_query_t *q) { + assert(resolve); assert(q); assert(!q->done); q->done = 1; - if ((q->done_prev = resolv->done_tail)) - resolv->done_tail->done_next = q; + if ((q->done_prev = resolve->done_tail)) + resolve->done_tail->done_next = q; else - resolv->done_head = q; + resolve->done_head = q; - resolv->done_tail = q; + resolve->done_tail = q; q->done_next = NULL; } @@ -596,16 +596,16 @@ static const void *unserialize_addrinfo(const void *p, struct addrinfo **ret_ai, fail: if (ai) - sd_resolv_freeaddrinfo(ai); + sd_resolve_freeaddrinfo(ai); return NULL; } -static int handle_response(sd_resolv_t *resolv, const packet_t *packet, size_t length) { +static int handle_response(sd_resolve_t *resolve, const packet_t *packet, size_t length) { const rheader_t *resp; - sd_resolv_query_t *q; + sd_resolve_query_t *q; - assert(resolv); + assert(resolve); resp = &packet->rheader; assert(resp); @@ -613,11 +613,11 @@ static int handle_response(sd_resolv_t *resolv, const packet_t *packet, size_t l assert(length == resp->length); if (resp->type == RESPONSE_DIED) { - resolv->dead = 1; + resolve->dead = 1; return 0; } - q = lookup_query(resolv, resp->id); + q = lookup_query(resolve, resp->id); if (!q) return 0; @@ -654,7 +654,7 @@ static int handle_response(sd_resolv_t *resolv, const packet_t *packet, size_t l prev = ai; } - complete_query(resolv, q); + complete_query(resolve, q); break; } @@ -676,7 +676,7 @@ static int handle_response(sd_resolv_t *resolv, const packet_t *packet, size_t l if (!(q->serv = strndup((const char*) ni_resp + sizeof(nameinfo_response_t) + ni_resp->hostlen, ni_resp->servlen-1))) q->ret = EAI_MEMORY; - complete_query(resolv, q); + complete_query(resolve, q); break; } @@ -698,7 +698,7 @@ static int handle_response(sd_resolv_t *resolv, const packet_t *packet, size_t l memcpy(q->serv, (const char *)resp + sizeof(res_response_t), res_resp->ret); } - complete_query(resolv, q); + complete_query(resolve, q); break; } @@ -709,20 +709,20 @@ static int handle_response(sd_resolv_t *resolv, const packet_t *packet, size_t l return 0; } -int sd_resolv_wait(sd_resolv_t *resolv, int block) { +int sd_resolve_wait(sd_resolve_t *resolve, int block) { int handled = 0; - assert(resolv); + assert(resolve); for (;;) { packet_t buf[BUFSIZE/sizeof(packet_t) + 1]; ssize_t l; - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return -1; } - l = recv(resolv->fds[RESPONSE_RECV_FD], buf, sizeof(buf), 0); + l = recv(resolve->fds[RESPONSE_RECV_FD], buf, sizeof(buf), 0); if (l < 0) { fd_set fds; @@ -733,49 +733,49 @@ int sd_resolv_wait(sd_resolv_t *resolv, int block) { return 0; FD_ZERO(&fds); - FD_SET(resolv->fds[RESPONSE_RECV_FD], &fds); + FD_SET(resolve->fds[RESPONSE_RECV_FD], &fds); - if (select(resolv->fds[RESPONSE_RECV_FD]+1, &fds, NULL, NULL, NULL) < 0) + if (select(resolve->fds[RESPONSE_RECV_FD]+1, &fds, NULL, NULL, NULL) < 0) return -1; continue; } - if (handle_response(resolv, buf, (size_t) l) < 0) + if (handle_response(resolve, buf, (size_t) l) < 0) return -1; handled = 1; } } -static sd_resolv_query_t *alloc_query(sd_resolv_t *resolv) { - sd_resolv_query_t *q; - assert(resolv); +static sd_resolve_query_t *alloc_query(sd_resolve_t *resolve) { + sd_resolve_query_t *q; + assert(resolve); - if (resolv->n_queries >= MAX_QUERIES) { + if (resolve->n_queries >= MAX_QUERIES) { errno = ENOMEM; return NULL; } - while (resolv->queries[resolv->current_index]) { - resolv->current_index++; - resolv->current_id++; + while (resolve->queries[resolve->current_index]) { + resolve->current_index++; + resolve->current_id++; - while (resolv->current_index >= MAX_QUERIES) - resolv->current_index -= MAX_QUERIES; + while (resolve->current_index >= MAX_QUERIES) + resolve->current_index -= MAX_QUERIES; } - q = resolv->queries[resolv->current_index] = malloc(sizeof(sd_resolv_query_t)); + q = resolve->queries[resolve->current_index] = malloc(sizeof(sd_resolve_query_t)); if (!q) { errno = ENOMEM; return NULL; } - resolv->n_queries++; + resolve->n_queries++; - q->resolv = resolv; + q->resolve = resolve; q->done = 0; - q->id = resolv->current_id; + q->id = resolve->current_id; q->done_next = q->done_prev = NULL; q->ret = 0; q->_errno = 0; @@ -787,19 +787,19 @@ static sd_resolv_query_t *alloc_query(sd_resolv_t *resolv) { return q; } -sd_resolv_query_t* sd_resolv_getaddrinfo(sd_resolv_t *resolv, const char *node, const char *service, const struct addrinfo *hints) { +sd_resolve_query_t* sd_resolve_getaddrinfo(sd_resolve_t *resolve, const char *node, const char *service, const struct addrinfo *hints) { addrinfo_request_t data[BUFSIZE/sizeof(addrinfo_request_t) + 1] = {}; addrinfo_request_t *req = data; - sd_resolv_query_t *q; - assert(resolv); + sd_resolve_query_t *q; + assert(resolve); assert(node || service); - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return NULL; } - q = alloc_query(resolv); + q = alloc_query(resolve); if (!q) return NULL; @@ -828,26 +828,26 @@ sd_resolv_query_t* sd_resolv_getaddrinfo(sd_resolv_t *resolv, const char *node, if (service) strcpy((char*) req + sizeof(addrinfo_request_t) + req->node_len, service); - if (send(resolv->fds[REQUEST_SEND_FD], req, req->header.length, MSG_NOSIGNAL) < 0) + if (send(resolve->fds[REQUEST_SEND_FD], req, req->header.length, MSG_NOSIGNAL) < 0) goto fail; return q; fail: if (q) - sd_resolv_cancel(resolv, q); + sd_resolve_cancel(resolve, q); return NULL; } -int sd_resolv_getaddrinfo_done(sd_resolv_t *resolv, sd_resolv_query_t* q, struct addrinfo **ret_res) { +int sd_resolve_getaddrinfo_done(sd_resolve_t *resolve, sd_resolve_query_t* q, struct addrinfo **ret_res) { int ret; - assert(resolv); + assert(resolve); assert(q); - assert(q->resolv == resolv); + assert(q->resolve == resolve); assert(q->type == REQUEST_ADDRINFO); - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return EAI_SYSTEM; } @@ -866,26 +866,26 @@ int sd_resolv_getaddrinfo_done(sd_resolv_t *resolv, sd_resolv_query_t* q, struct if (ret != 0) h_errno = q->_h_errno; - sd_resolv_cancel(resolv, q); + sd_resolve_cancel(resolve, q); return ret; } -sd_resolv_query_t* sd_resolv_getnameinfo(sd_resolv_t *resolv, const struct sockaddr *sa, socklen_t salen, int flags, int gethost, int getserv) { +sd_resolve_query_t* sd_resolve_getnameinfo(sd_resolve_t *resolve, const struct sockaddr *sa, socklen_t salen, int flags, int gethost, int getserv) { nameinfo_request_t data[BUFSIZE/sizeof(nameinfo_request_t) + 1] = {}; nameinfo_request_t *req = data; - sd_resolv_query_t *q; + sd_resolve_query_t *q; - assert(resolv); + assert(resolve); assert(sa); assert(salen > 0); - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return NULL; } - q = alloc_query(resolv); + q = alloc_query(resolve); if (!q) return NULL; @@ -905,28 +905,28 @@ sd_resolv_query_t* sd_resolv_getnameinfo(sd_resolv_t *resolv, const struct socka memcpy((uint8_t*) req + sizeof(nameinfo_request_t), sa, salen); - if (send(resolv->fds[REQUEST_SEND_FD], req, req->header.length, MSG_NOSIGNAL) < 0) + if (send(resolve->fds[REQUEST_SEND_FD], req, req->header.length, MSG_NOSIGNAL) < 0) goto fail; return q; fail: if (q) - sd_resolv_cancel(resolv, q); + sd_resolve_cancel(resolve, q); return NULL; } -int sd_resolv_getnameinfo_done(sd_resolv_t *resolv, sd_resolv_query_t* q, char *ret_host, size_t hostlen, char *ret_serv, size_t servlen) { +int sd_resolve_getnameinfo_done(sd_resolve_t *resolve, sd_resolve_query_t* q, char *ret_host, size_t hostlen, char *ret_serv, size_t servlen) { int ret; - assert(resolv); + assert(resolve); assert(q); - assert(q->resolv == resolv); + assert(q->resolve == resolve); assert(q->type == REQUEST_NAMEINFO); assert(!ret_host || hostlen); assert(!ret_serv || servlen); - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return EAI_SYSTEM; } @@ -952,25 +952,25 @@ int sd_resolv_getnameinfo_done(sd_resolv_t *resolv, sd_resolv_query_t* q, char * if (ret != 0) h_errno = q->_h_errno; - sd_resolv_cancel(resolv, q); + sd_resolve_cancel(resolve, q); return ret; } -static sd_resolv_query_t * resolv_res(sd_resolv_t *resolv, query_type_t qtype, const char *dname, int class, int type) { +static sd_resolve_query_t * resolve_res(sd_resolve_t *resolve, query_type_t qtype, const char *dname, int class, int type) { res_request_t data[BUFSIZE/sizeof(res_request_t) + 1]; res_request_t *req = data; - sd_resolv_query_t *q; + sd_resolve_query_t *q; - assert(resolv); + assert(resolve); assert(dname); - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return NULL; } - q = alloc_query(resolv); + q = alloc_query(resolve); if (!q) return NULL; @@ -990,35 +990,35 @@ static sd_resolv_query_t * resolv_res(sd_resolv_t *resolv, query_type_t qtype, c strcpy((char*) req + sizeof(res_request_t), dname); - if (send(resolv->fds[REQUEST_SEND_FD], req, req->header.length, MSG_NOSIGNAL) < 0) + if (send(resolve->fds[REQUEST_SEND_FD], req, req->header.length, MSG_NOSIGNAL) < 0) goto fail; return q; fail: if (q) - sd_resolv_cancel(resolv, q); + sd_resolve_cancel(resolve, q); return NULL; } -sd_resolv_query_t* sd_resolv_res_query(sd_resolv_t *resolv, const char *dname, int class, int type) { - return resolv_res(resolv, REQUEST_RES_QUERY, dname, class, type); +sd_resolve_query_t* sd_resolve_res_query(sd_resolve_t *resolve, const char *dname, int class, int type) { + return resolve_res(resolve, REQUEST_RES_QUERY, dname, class, type); } -sd_resolv_query_t* sd_resolv_res_search(sd_resolv_t *resolv, const char *dname, int class, int type) { - return resolv_res(resolv, REQUEST_RES_SEARCH, dname, class, type); +sd_resolve_query_t* sd_resolve_res_search(sd_resolve_t *resolve, const char *dname, int class, int type) { + return resolve_res(resolve, REQUEST_RES_SEARCH, dname, class, type); } -int sd_resolv_res_done(sd_resolv_t *resolv, sd_resolv_query_t* q, unsigned char **answer) { +int sd_resolve_res_done(sd_resolve_t *resolve, sd_resolve_query_t* q, unsigned char **answer) { int ret; - assert(resolv); + assert(resolve); assert(q); - assert(q->resolv == resolv); + assert(q->resolve == resolve); assert(q->type == REQUEST_RES_QUERY || q->type == REQUEST_RES_SEARCH); assert(answer); - if (resolv->dead) { + if (resolve->dead) { errno = ECHILD; return -ECHILD; } @@ -1038,58 +1038,58 @@ int sd_resolv_res_done(sd_resolv_t *resolv, sd_resolv_query_t* q, unsigned char h_errno = q->_h_errno; } - sd_resolv_cancel(resolv, q); + sd_resolve_cancel(resolve, q); return ret < 0 ? -errno : ret; } -sd_resolv_query_t* sd_resolv_getnext(sd_resolv_t *resolv) { - assert(resolv); - return resolv->done_head; +sd_resolve_query_t* sd_resolve_getnext(sd_resolve_t *resolve) { + assert(resolve); + return resolve->done_head; } -int sd_resolv_getnqueries(sd_resolv_t *resolv) { - assert(resolv); - return resolv->n_queries; +int sd_resolve_getnqueries(sd_resolve_t *resolve) { + assert(resolve); + return resolve->n_queries; } -void sd_resolv_cancel(sd_resolv_t *resolv, sd_resolv_query_t* q) { +void sd_resolve_cancel(sd_resolve_t *resolve, sd_resolve_query_t* q) { int i; int saved_errno = errno; - assert(resolv); + assert(resolve); assert(q); - assert(q->resolv == resolv); - assert(resolv->n_queries > 0); + assert(q->resolve == resolve); + assert(resolve->n_queries > 0); if (q->done) { if (q->done_prev) q->done_prev->done_next = q->done_next; else - resolv->done_head = q->done_next; + resolve->done_head = q->done_next; if (q->done_next) q->done_next->done_prev = q->done_prev; else - resolv->done_tail = q->done_prev; + resolve->done_tail = q->done_prev; } i = q->id % MAX_QUERIES; - assert(resolv->queries[i] == q); - resolv->queries[i] = NULL; + assert(resolve->queries[i] == q); + resolve->queries[i] = NULL; - sd_resolv_freeaddrinfo(q->addrinfo); + sd_resolve_freeaddrinfo(q->addrinfo); free(q->host); free(q->serv); - resolv->n_queries--; + resolve->n_queries--; free(q); errno = saved_errno; } -void sd_resolv_freeaddrinfo(struct addrinfo *ai) { +void sd_resolve_freeaddrinfo(struct addrinfo *ai) { int saved_errno = errno; while (ai) { @@ -1105,7 +1105,7 @@ void sd_resolv_freeaddrinfo(struct addrinfo *ai) { errno = saved_errno; } -void sd_resolv_freeanswer(unsigned char *answer) { +void sd_resolve_freeanswer(unsigned char *answer) { int saved_errno = errno; if (!answer) @@ -1116,26 +1116,26 @@ void sd_resolv_freeanswer(unsigned char *answer) { errno = saved_errno; } -int sd_resolv_isdone(sd_resolv_t *resolv, sd_resolv_query_t*q) { - assert(resolv); +int sd_resolve_isdone(sd_resolve_t *resolve, sd_resolve_query_t*q) { + assert(resolve); assert(q); - assert(q->resolv == resolv); + assert(q->resolve == resolve); return q->done; } -void sd_resolv_setuserdata(sd_resolv_t *resolv, sd_resolv_query_t *q, void *userdata) { +void sd_resolve_setuserdata(sd_resolve_t *resolve, sd_resolve_query_t *q, void *userdata) { assert(q); - assert(resolv); - assert(q->resolv = resolv); + assert(resolve); + assert(q->resolve = resolve); q->userdata = userdata; } -void* sd_resolv_getuserdata(sd_resolv_t *resolv, sd_resolv_query_t *q) { +void* sd_resolve_getuserdata(sd_resolve_t *resolve, sd_resolve_query_t *q) { assert(q); - assert(resolv); - assert(q->resolv = resolv); + assert(resolve); + assert(q->resolve = resolve); return q->userdata; } diff --git a/src/libsystemd/test-resolv.c b/src/libsystemd/test-resolve.c index 5baef9693a..c7feb1ecdb 100644 --- a/src/libsystemd/test-resolv.c +++ b/src/libsystemd/test-resolve.c @@ -31,58 +31,58 @@ #include <signal.h> #include <errno.h> -#include "sd-resolv.h" -#include "resolv-util.h" +#include "sd-resolve.h" +#include "resolve-util.h" #include "macro.h" int main(int argc, char *argv[]) { int r = 1, ret; - _cleanup_resolv_free_ sd_resolv_t *resolv = NULL; - _cleanup_resolv_addrinfo_free_ struct addrinfo *ai = NULL; - _cleanup_resolv_answer_free_ unsigned char *srv = NULL; - sd_resolv_query_t *q1, *q2, *q3; + _cleanup_resolve_free_ sd_resolve_t *resolve = NULL; + _cleanup_resolve_addrinfo_free_ struct addrinfo *ai = NULL; + _cleanup_resolve_answer_free_ unsigned char *srv = NULL; + sd_resolve_query_t *q1, *q2, *q3; struct addrinfo hints = {}; struct sockaddr_in sa = {}; char host[NI_MAXHOST] = "", serv[NI_MAXSERV] = ""; signal(SIGCHLD, SIG_IGN); - resolv = sd_resolv_new(2); - if (!resolv) + resolve = sd_resolve_new(2); + if (!resolve) log_oom(); /* Make a name -> address query */ hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; - q1 = sd_resolv_getaddrinfo(resolv, argc >= 2 ? argv[1] : "www.heise.de", NULL, &hints); + q1 = sd_resolve_getaddrinfo(resolve, argc >= 2 ? argv[1] : "www.heise.de", NULL, &hints); if (!q1) - fprintf(stderr, "sd_resolv_getaddrinfo(): %s\n", strerror(errno)); + fprintf(stderr, "sd_resolve_getaddrinfo(): %s\n", strerror(errno)); /* Make an address -> name query */ sa.sin_family = AF_INET; sa.sin_addr.s_addr = inet_addr(argc >= 3 ? argv[2] : "193.99.144.71"); sa.sin_port = htons(80); - q2 = sd_resolv_getnameinfo(resolv, (struct sockaddr*) &sa, sizeof(sa), 0, 1, 1); + q2 = sd_resolve_getnameinfo(resolve, (struct sockaddr*) &sa, sizeof(sa), 0, 1, 1); if (!q2) - fprintf(stderr, "sd_resolv_getnameinfo(): %s\n", strerror(errno)); + fprintf(stderr, "sd_resolve_getnameinfo(): %s\n", strerror(errno)); /* Make a res_query() call */ - q3 = sd_resolv_res_query(resolv, "_xmpp-client._tcp.gmail.com", C_IN, T_SRV); + q3 = sd_resolve_res_query(resolve, "_xmpp-client._tcp.gmail.com", C_IN, T_SRV); if (!q3) - fprintf(stderr, "sd_resolv_res_query(): %s\n", strerror(errno)); + fprintf(stderr, "sd_resolve_res_query(): %s\n", strerror(errno)); /* Wait until the three queries are completed */ - while (!sd_resolv_isdone(resolv, q1) || - !sd_resolv_isdone(resolv, q2) || - !sd_resolv_isdone(resolv, q3)) { - if (sd_resolv_wait(resolv, 1) < 0) - fprintf(stderr, "sd_resolv_wait(): %s\n", strerror(errno)); + while (!sd_resolve_isdone(resolve, q1) || + !sd_resolve_isdone(resolve, q2) || + !sd_resolve_isdone(resolve, q3)) { + if (sd_resolve_wait(resolve, 1) < 0) + fprintf(stderr, "sd_resolve_wait(): %s\n", strerror(errno)); } /* Interpret the result of the name -> addr query */ - ret = sd_resolv_getaddrinfo_done(resolv, q1, &ai); + ret = sd_resolve_getaddrinfo_done(resolve, q1, &ai); if (ret) fprintf(stderr, "error: %s %i\n", gai_strerror(ret), ret); else { @@ -102,14 +102,14 @@ int main(int argc, char *argv[]) { } /* Interpret the result of the addr -> name query */ - ret = sd_resolv_getnameinfo_done(resolv, q2, host, sizeof(host), serv, sizeof(serv)); + ret = sd_resolve_getnameinfo_done(resolve, q2, host, sizeof(host), serv, sizeof(serv)); if (ret) fprintf(stderr, "error: %s %i\n", gai_strerror(ret), ret); else printf("%s -- %s\n", host, serv); /* Interpret the result of the SRV lookup */ - ret = sd_resolv_res_done(resolv, q3, &srv); + ret = sd_resolve_res_done(resolve, q3, &srv); if (ret < 0) { fprintf(stderr, "error: %s %i\n", strerror(errno), ret); } else if (ret == 0) { diff --git a/src/systemd/sd-resolv.h b/src/systemd/sd-resolve.h index 21e2413542..2023f11e72 100644 --- a/src/systemd/sd-resolv.h +++ b/src/systemd/sd-resolve.h @@ -1,7 +1,7 @@ /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ -#ifndef foosdresolvhfoo -#define foosdresolvhfoo +#ifndef foosdresolvehfoo +#define foosdresolvehfoo /*** This file is part of systemd. @@ -33,125 +33,125 @@ _SD_BEGIN_DECLARATIONS; * * \section moo Method of operation * - * To use libresolv allocate an sd_resolv_t object with - * sd_resolv_new(). This will spawn a number of worker threads (or processes, depending on what is available) which + * To use sd-resolve allocate an sd_resolve_t object with + * sd_resolve_new(). This will spawn a number of worker threads (or processes, depending on what is available) which * are subsequently used to process the queries the controlling - * program issues via sd_resolv_getaddrinfo() and - * sd_resolv_getnameinfo(). Use sd_resolv_free() to shut down the worker + * program issues via sd_resolve_getaddrinfo() and + * sd_resolve_getnameinfo(). Use sd_resolve_free() to shut down the worker * threads/processes. * - * Since libresolv may fork off new processes you have to make sure that + * Since sd-resolve may fork off new processes you have to make sure that * your program is not irritated by spurious SIGCHLD signals. */ -/** An opaque libresolv session structure */ -typedef struct sd_resolv sd_resolv_t; +/** An opaque sd-resolve session structure */ +typedef struct sd_resolve sd_resolve_t; -/** An opaque libresolv query structure */ -typedef struct sd_resolv_query sd_resolv_query_t; +/** An opaque sd-resolve query structure */ +typedef struct sd_resolve_query sd_resolve_query_t; -/** Allocate a new libresolv session with n_proc worker processes/threads */ -sd_resolv_t* sd_resolv_new(unsigned n_proc); +/** Allocate a new sd-resolve session with n_proc worker processes/threads */ +sd_resolve_t* sd_resolve_new(unsigned n_proc); -/** Free a libresolv session. This destroys all attached - * sd_resolv_query_t objects automatically */ -void sd_resolv_free(sd_resolv_t *resolv); +/** Free a sd-resolve session. This destroys all attached + * sd_resolve_query_t objects automatically */ +void sd_resolve_free(sd_resolve_t *resolve); /** Return the UNIX file descriptor to select() for readability - * on. Use this function to integrate libresolv with your custom main + * on. Use this function to integrate sd-resolve with your custom main * loop. */ -int sd_resolv_fd(sd_resolv_t *resolv); +int sd_resolve_fd(sd_resolve_t *resolve); /** Process pending responses. After this function is called you can - * get the next completed query object(s) using sd_resolv_getnext(). If + * get the next completed query object(s) using sd_resolve_getnext(). If * block is non-zero wait until at least one response has been * processed. If block is zero, process all pending responses and * return. */ -int sd_resolv_wait(sd_resolv_t *resolv, int block); +int sd_resolve_wait(sd_resolve_t *resolve, int block); /** Issue a name to address query on the specified session. The * arguments are compatible with the ones of libc's * getaddrinfo(3). The function returns a new query object. When the * query is completed you may retrieve the results using - * sd_resolv_getaddrinfo_done().*/ -sd_resolv_query_t* sd_resolv_getaddrinfo(sd_resolv_t *resolv, const char *node, const char *service, const struct addrinfo *hints); + * sd_resolve_getaddrinfo_done().*/ +sd_resolve_query_t* sd_resolve_getaddrinfo(sd_resolve_t *resolve, const char *node, const char *service, const struct addrinfo *hints); -/** Retrieve the results of a preceding sd_resolv_getaddrinfo() +/** Retrieve the results of a preceding sd_resolve_getaddrinfo() * call. Returns a addrinfo structure and a return value compatible * with libc's getaddrinfo(3). The query object q is destroyed by this * call and may not be used any further. Make sure to free the - * returned addrinfo structure with sd_resolv_freeaddrinfo() and not + * returned addrinfo structure with sd_resolve_freeaddrinfo() and not * libc's freeaddrinfo(3)! If the query is not completed yet EAI_AGAIN * is returned.*/ -int sd_resolv_getaddrinfo_done(sd_resolv_t *resolv, sd_resolv_query_t* q, struct addrinfo **ret_res); +int sd_resolve_getaddrinfo_done(sd_resolve_t *resolve, sd_resolve_query_t* q, struct addrinfo **ret_res); /** Issue an address to name query on the specified session. The * arguments are compatible with the ones of libc's * getnameinfo(3). The function returns a new query object. When the * query is completed you may retrieve the results using - * sd_resolv_getnameinfo_done(). Set gethost (resp. getserv) to non-zero + * sd_resolve_getnameinfo_done(). Set gethost (resp. getserv) to non-zero * if you want to query the hostname (resp. the service name). */ -sd_resolv_query_t* sd_resolv_getnameinfo(sd_resolv_t *resolv, const struct sockaddr *sa, socklen_t salen, int flags, int gethost, int getserv); +sd_resolve_query_t* sd_resolve_getnameinfo(sd_resolve_t *resolve, const struct sockaddr *sa, socklen_t salen, int flags, int gethost, int getserv); -/** Retrieve the results of a preceding sd_resolv_getnameinfo() +/** Retrieve the results of a preceding sd_resolve_getnameinfo() * call. Returns the hostname and the service name in ret_host and * ret_serv. The query object q is destroyed by this call and may not * be used any further. If the query is not completed yet EAI_AGAIN is * returned. */ -int sd_resolv_getnameinfo_done(sd_resolv_t *resolv, sd_resolv_query_t* q, char *ret_host, size_t hostlen, char *ret_serv, size_t servlen); +int sd_resolve_getnameinfo_done(sd_resolve_t *resolve, sd_resolve_query_t* q, char *ret_host, size_t hostlen, char *ret_serv, size_t servlen); -/** Issue a resolver query on the specified session. The arguments are +/** Issue a resolveer query on the specified session. The arguments are * compatible with the ones of libc's res_query(3). The function returns a new * query object. When the query is completed you may retrieve the results using - * sd_resolv_res_done(). */ -sd_resolv_query_t* sd_resolv_res_query(sd_resolv_t *resolv, const char *dname, int class, int type); + * sd_resolve_res_done(). */ +sd_resolve_query_t* sd_resolve_res_query(sd_resolve_t *resolve, const char *dname, int class, int type); -/** Issue an resolver query on the specified session. The arguments are +/** Issue an resolveer query on the specified session. The arguments are * compatible with the ones of libc's res_search(3). The function returns a new * query object. When the query is completed you may retrieve the results using - * sd_resolv_res_done(). */ -sd_resolv_query_t* sd_resolv_res_search(sd_resolv_t *resolv, const char *dname, int class, int type); + * sd_resolve_res_done(). */ +sd_resolve_query_t* sd_resolve_res_search(sd_resolve_t *resolve, const char *dname, int class, int type); -/** Retrieve the results of a preceding sd_resolv_res_query() or - * resolv_res_search call. The query object q is destroyed by this +/** Retrieve the results of a preceding sd_resolve_res_query() or + * resolve_res_search call. The query object q is destroyed by this * call and may not be used any further. Returns a pointer to the * answer of the res_query call. If the query is not completed yet * -EAGAIN is returned, on failure -errno is returned, otherwise the * length of answer is returned. Make sure to free the answer is a - * call to sd_resolv_freeanswer(). */ -int sd_resolv_res_done(sd_resolv_t *resolv, sd_resolv_query_t* q, unsigned char **answer); + * call to sd_resolve_freeanswer(). */ +int sd_resolve_res_done(sd_resolve_t *resolve, sd_resolve_query_t* q, unsigned char **answer); /** Return the next completed query object. If no query has been * completed yet, return NULL. Please note that you need to run - * sd_resolv_wait() before this function will return sensible data. */ -sd_resolv_query_t* sd_resolv_getnext(sd_resolv_t *resolv); + * sd_resolve_wait() before this function will return sensible data. */ +sd_resolve_query_t* sd_resolve_getnext(sd_resolve_t *resolve); /** Return the number of query objects (completed or not) attached to * this session */ -int sd_resolv_getnqueries(sd_resolv_t *resolv); +int sd_resolve_getnqueries(sd_resolve_t *resolve); /** Cancel a currently running query. q is is destroyed by this call * and may not be used any futher. */ -void sd_resolv_cancel(sd_resolv_t *resolv, sd_resolv_query_t* q); +void sd_resolve_cancel(sd_resolve_t *resolve, sd_resolve_query_t* q); /** Free the addrinfo structure as returned by - * sd_resolv_getaddrinfo_done(). Make sure to use this functions instead + * sd_resolve_getaddrinfo_done(). Make sure to use this functions instead * of the libc's freeaddrinfo()! */ -void sd_resolv_freeaddrinfo(struct addrinfo *ai); +void sd_resolve_freeaddrinfo(struct addrinfo *ai); -/** Free the answer data as returned by sd_resolv_res_done().*/ -void sd_resolv_freeanswer(unsigned char *answer); +/** Free the answer data as returned by sd_resolve_res_done().*/ +void sd_resolve_freeanswer(unsigned char *answer); /** Returns non-zero when the query operation specified by q has been completed */ -int sd_resolv_isdone(sd_resolv_t *resolv, sd_resolv_query_t*q); +int sd_resolve_isdone(sd_resolve_t *resolve, sd_resolve_query_t*q); /** Assign some opaque userdata with a query object */ -void sd_resolv_setuserdata(sd_resolv_t *resolv, sd_resolv_query_t *q, void *userdata); +void sd_resolve_setuserdata(sd_resolve_t *resolve, sd_resolve_query_t *q, void *userdata); /** Return userdata assigned to a query object. Use - * sd_resolv_setuserdata() to set this data. If no data has been set + * sd_resolve_setuserdata() to set this data. If no data has been set * prior to this call it returns NULL. */ -void* sd_resolv_getuserdata(sd_resolv_t *resolv, sd_resolv_query_t *q); +void* sd_resolve_getuserdata(sd_resolve_t *resolve, sd_resolve_query_t *q); _SD_END_DECLARATIONS; |