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@ -10,12 +10,12 @@ |
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#include "config.h" |
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#include "config.h" |
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#include <arpa/inet.h> |
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#include <arpa/inet.h> |
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#include <lz4.h> |
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#include <netinet/in.h> |
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#include <netinet/in.h> |
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#include <sys/epoll.h> |
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#include <sys/epoll.h> |
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#include <sys/socket.h> |
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#include <sys/socket.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 <unistd.h> |
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#include <zlib.h> |
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#include "ckpool.h" |
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#include "ckpool.h" |
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#include "libckpool.h" |
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#include "libckpool.h" |
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@ -56,7 +56,7 @@ struct client_instance { |
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int server; |
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int server; |
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char buf[PAGESIZE]; |
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char buf[PAGESIZE]; |
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int bufofs; |
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unsigned long bufofs; |
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/* Are we currently sending a blocked message from this client */ |
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/* Are we currently sending a blocked message from this client */ |
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sender_send_t *sending; |
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sender_send_t *sending; |
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@ -64,11 +64,11 @@ struct client_instance { |
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/* Is this the parent passthrough client */ |
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/* Is this the parent passthrough client */ |
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bool passthrough; |
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bool passthrough; |
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/* Does this client expect lz4 compression? */ |
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/* Does this client expect gz compression? */ |
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bool lz4; |
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bool gz; |
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bool compressed; /* Currently receiving a compressed message */ |
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bool compressed; /* Currently receiving a compressed message */ |
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int compsize; /* Expected compressed data size */ |
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unsigned long compsize; /* Expected compressed data size */ |
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int decompsize; /* Expected decompressed data size */ |
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unsigned long decompsize; /* Expected decompressed data size */ |
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/* Linked list of shares in redirector mode.*/ |
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/* Linked list of shares in redirector mode.*/ |
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share_t *shares; |
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share_t *shares; |
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@ -479,7 +479,7 @@ retry: |
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if (ret < 1) { |
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if (ret < 1) { |
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if (likely(errno == EAGAIN || errno == EWOULDBLOCK || !ret)) |
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if (likely(errno == EAGAIN || errno == EWOULDBLOCK || !ret)) |
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return; |
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return; |
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LOGINFO("Client id %"PRId64" fd %d disconnected - recv fail with bufofs %d ret %d errno %d %s", |
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LOGINFO("Client id %"PRId64" fd %d disconnected - recv fail with bufofs %lu ret %d errno %d %s", |
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client->id, client->fd, client->bufofs, ret, errno, ret && errno ? strerror(errno) : ""); |
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client->id, client->fd, client->bufofs, ret, errno, ret && errno ? strerror(errno) : ""); |
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invalidate_client(ckp, cdata, client); |
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invalidate_client(ckp, cdata, client); |
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return; |
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return; |
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@ -487,18 +487,21 @@ retry: |
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client->bufofs += ret; |
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client->bufofs += ret; |
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compressed: |
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compressed: |
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if (client->compressed) { |
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if (client->compressed) { |
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unsigned long res; |
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if (client->bufofs < client->compsize) |
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if (client->bufofs < client->compsize) |
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goto retry; |
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goto retry; |
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ret = LZ4_decompress_safe(client->buf, msg, client->compsize, client->decompsize); |
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res = client->decompsize; |
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if (ret != client->decompsize) { |
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ret = uncompress((Bytef *)msg, &res, (Bytef *)client->buf, client->compsize); |
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LOGNOTICE("Failed to decompress %d from %d bytes in parse_client_msg, got %d", |
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if (ret != Z_OK || res != client->decompsize) { |
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LOGNOTICE("Failed to decompress %lu from %lu bytes in parse_client_msg, got %d", |
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client->decompsize, client->compsize, ret); |
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client->decompsize, client->compsize, ret); |
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invalidate_client(ckp, cdata, client); |
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invalidate_client(ckp, cdata, client); |
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return; |
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return; |
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} |
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} |
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LOGDEBUG("Received client message compressed %d from %d", |
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LOGDEBUG("Received client message compressed %lu from %lu", |
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client->compsize, client->decompsize); |
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client->compsize, client->decompsize); |
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msg[ret] = '\0'; |
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msg[res] = '\0'; |
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client->bufofs -= client->compsize; |
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client->bufofs -= client->compsize; |
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if (client->bufofs) |
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if (client->bufofs) |
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memmove(client->buf, client->buf + buflen, client->bufofs); |
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memmove(client->buf, client->buf + buflen, client->bufofs); |
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@ -519,7 +522,7 @@ reparse: |
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} |
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} |
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/* Look for a compression header */ |
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/* Look for a compression header */ |
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if (!strncmp(client->buf, "lz4", 3)) { |
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if (!strncmp(client->buf, gzip_magic, 3)) { |
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uint32_t msglen; |
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uint32_t msglen; |
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/* Do we have the whole header? If not, keep reading */ |
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/* Do we have the whole header? If not, keep reading */ |
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@ -531,7 +534,7 @@ reparse: |
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client->decompsize = le32toh(msglen); |
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client->decompsize = le32toh(msglen); |
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if (unlikely(!client->compsize || !client->decompsize || |
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if (unlikely(!client->compsize || !client->decompsize || |
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client->compsize > MAX_MSGSIZE || client->decompsize > MAX_MSGSIZE)) { |
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client->compsize > MAX_MSGSIZE || client->decompsize > MAX_MSGSIZE)) { |
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LOGNOTICE("Client id %"PRId64" invalid compressed message size %d/%d, disconnecting", |
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LOGNOTICE("Client id %"PRId64" invalid compressed message size %lu/%lu, disconnecting", |
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client->id, client->compsize, client->decompsize); |
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client->id, client->compsize, client->decompsize); |
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invalidate_client(ckp, cdata, client); |
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invalidate_client(ckp, cdata, client); |
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return; |
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return; |
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@ -1000,20 +1003,24 @@ static void send_client(cdata_t *cdata, const int64_t id, char *buf) |
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/* Does this client accept compressed data? Only compress if it's
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/* Does this client accept compressed data? Only compress if it's
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* larger than one MTU. */ |
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* larger than one MTU. */ |
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if (client->lz4 && len > 1492) { |
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if (client->gz && len > 1492) { |
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char *dest = ckalloc(len + 12); |
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unsigned long compsize; |
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uint32_t msglen; |
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uint32_t msglen; |
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int compsize; |
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char *dest; |
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int ret; |
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compsize = LZ4_compress(buf, dest + 12, len); |
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if (unlikely(!compsize)) { |
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compsize = round_up_page(len + 12); |
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LOGWARNING("Failed to LZ4 compress in send_client, sending uncompressed"); |
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dest = ckalloc(compsize); |
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compsize -= 12; |
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ret = compress((Bytef *)dest + 12, &compsize, (Bytef *)buf, len); |
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if (unlikely(ret != Z_OK)) { |
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LOGWARNING("Failed to gz compress in send_client, got %d sending uncompressed", ret); |
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free(dest); |
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free(dest); |
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goto out; |
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goto out; |
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} |
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} |
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LOGDEBUG("Sending client message compressed %d from %d", compsize, len); |
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LOGDEBUG("Sending client message compressed %lu from %d", compsize, len); |
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/* Copy lz4 magic header */ |
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/* Copy gz magic header */ |
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sprintf(dest, "lz4\n"); |
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sprintf(dest, gzip_magic); |
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/* Copy compressed message length */ |
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/* Copy compressed message length */ |
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msglen = htole32(compsize); |
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msglen = htole32(compsize); |
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memcpy(dest + 4, &msglen, 4); |
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memcpy(dest + 4, &msglen, 4); |
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@ -1054,7 +1061,7 @@ static void passthrough_client(cdata_t *cdata, client_instance_t *client) |
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LOGINFO("Connector adding passthrough client %"PRId64, client->id); |
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LOGINFO("Connector adding passthrough client %"PRId64, client->id); |
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client->passthrough = true; |
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client->passthrough = true; |
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ASPRINTF(&buf, "{\"result\": true, \"lz4\": true}\n"); |
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ASPRINTF(&buf, "{\"result\": true, \"gz\": true}\n"); |
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send_client(cdata, client->id, buf); |
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send_client(cdata, client->id, buf); |
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} |
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} |
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@ -1233,11 +1240,11 @@ retry: |
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goto out; |
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goto out; |
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} else if (cmdmatch(buf, "pass")) { |
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} else if (cmdmatch(buf, "pass")) { |
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client_instance_t *client; |
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client_instance_t *client; |
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bool lz4 = false; |
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bool gz = false; |
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if (strstr(buf, "lz4")) { |
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if (strstr(buf, "gz")) { |
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lz4 = true; |
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gz = true; |
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ret = sscanf(buf, "passlz4=%"PRId64, &client_id); |
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ret = sscanf(buf, "passgz=%"PRId64, &client_id); |
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} else |
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} else |
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ret = sscanf(buf, "passthrough=%"PRId64, &client_id); |
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ret = sscanf(buf, "passthrough=%"PRId64, &client_id); |
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if (ret < 0) { |
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if (ret < 0) { |
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@ -1249,7 +1256,7 @@ retry: |
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LOGINFO("Connector failed to find client id %"PRId64" to pass through", client_id); |
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LOGINFO("Connector failed to find client id %"PRId64" to pass through", client_id); |
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goto retry; |
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goto retry; |
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} |
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} |
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client->lz4 = lz4; |
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client->gz = gz; |
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passthrough_client(cdata, client); |
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passthrough_client(cdata, client); |
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dec_instance_ref(cdata, client); |
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dec_instance_ref(cdata, client); |
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} else if (cmdmatch(buf, "getxfd")) { |
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} else if (cmdmatch(buf, "getxfd")) { |
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