X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/9de5d4600a404f7bc809c57b8192eb983307f800..4934f93dfb30c93a1636e3227584e791cd062bfb:/src/redis-cli.c?ds=sidebyside diff --git a/src/redis-cli.c b/src/redis-cli.c index f7fe54fa..f4855879 100644 --- a/src/redis-cli.c +++ b/src/redis-cli.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include #include @@ -46,6 +47,8 @@ #include "zmalloc.h" #include "linenoise.h" #include "help.h" +#include "anet.h" +#include "ae.h" #define REDIS_NOTUSED(V) ((void) V) @@ -69,6 +72,7 @@ static struct config { int cluster_mode; int cluster_reissue_command; int slave_mode; + int pipe_mode; int bigkeys; int stdinarg; /* get last arg from stdin. (-x option) */ char *auth; @@ -656,6 +660,8 @@ static int parseOptions(int argc, char **argv) { config.latency_mode = 1; } else if (!strcmp(argv[i],"--slave")) { config.slave_mode = 1; + } else if (!strcmp(argv[i],"--pipe")) { + config.pipe_mode = 1; } else if (!strcmp(argv[i],"--bigkeys")) { config.bigkeys = 1; } else if (!strcmp(argv[i],"--eval") && !lastarg) { @@ -714,6 +720,7 @@ static void usage() { " --raw Use raw formatting for replies (default when STDOUT is not a tty)\n" " --latency Enter a special mode continuously sampling latency.\n" " --slave Simulate a slave showing commands received from the master.\n" +" --pipe Transfer raw Redis protocol from stdin to server.\n" " --bigkeys Sample Redis keys looking for big keys.\n" " --eval Send an EVAL command using the Lua script at .\n" " --help Output this help and exit\n" @@ -968,6 +975,137 @@ static void slaveMode(void) { while (cliReadReply(0) == REDIS_OK); } +static void pipeMode(void) { + int fd = context->fd; + long long errors = 0, replies = 0, obuf_len = 0, obuf_pos = 0; + char ibuf[1024*16], obuf[1024*16]; /* Input and output buffers */ + char aneterr[ANET_ERR_LEN]; + redisReader *reader = redisReaderCreate(); + redisReply *reply; + int eof = 0; /* True once we consumed all the standard input. */ + int done = 0; + char magic[20]; /* Special reply we recognize. */ + + srand(time(NULL)); + + /* Use non blocking I/O. */ + if (anetNonBlock(aneterr,fd) == ANET_ERR) { + fprintf(stderr, "Can't set the socket in non blocking mode: %s\n", + aneterr); + exit(1); + } + + /* Transfer raw protocol and read replies from the server at the same + * time. */ + while(!done) { + int mask = AE_READABLE; + + if (!eof || obuf_len != 0) mask |= AE_WRITABLE; + mask = aeWait(fd,mask,1000); + + /* Handle the readable state: we can read replies from the server. */ + if (mask & AE_READABLE) { + ssize_t nread; + + /* Read from socket and feed the hiredis reader. */ + do { + nread = read(fd,ibuf,sizeof(ibuf)); + if (nread == -1 && errno != EAGAIN && errno != EINTR) { + fprintf(stderr, "Error reading from the server: %s\n", + strerror(errno)); + exit(1); + } + if (nread > 0) redisReaderFeed(reader,ibuf,nread); + } while(nread > 0); + + /* Consume replies. */ + do { + if (redisReaderGetReply(reader,(void**)&reply) == REDIS_ERR) { + fprintf(stderr, "Error reading replies from server\n"); + exit(1); + } + if (reply) { + if (reply->type == REDIS_REPLY_ERROR) { + fprintf(stderr,"%s\n", reply->str); + errors++; + } else if (eof && reply->type == REDIS_REPLY_STRING && + reply->len == 20) { + /* Check if this is the reply to our final ECHO + * command. If so everything was received + * from the server. */ + if (memcmp(reply->str,magic,20) == 0) { + printf("Last reply received from server.\n"); + done = 1; + replies--; + } + } + replies++; + freeReplyObject(reply); + } + } while(reply); + } + + /* Handle the writable state: we can send protocol to the server. */ + if (mask & AE_WRITABLE) { + while(1) { + /* Transfer current buffer to server. */ + if (obuf_len != 0) { + ssize_t nwritten = write(fd,obuf+obuf_pos,obuf_len); + + if (nwritten == -1) { + if (errno != EAGAIN && errno != EINTR) { + fprintf(stderr, "Error writing to the server: %s\n", + strerror(errno)); + exit(1); + } else { + nwritten = 0; + } + } + obuf_len -= nwritten; + obuf_pos += nwritten; + if (obuf_len != 0) break; /* Can't accept more data. */ + } + /* If buffer is empty, load from stdin. */ + if (obuf_len == 0 && !eof) { + ssize_t nread = read(STDIN_FILENO,obuf,sizeof(obuf)); + + if (nread == 0) { + char echo[] = + "*2\r\n$4\r\nECHO\r\n$20\r\n01234567890123456789\r\n"; + int j; + + eof = 1; + /* Everything transfered, so we queue a special + * ECHO command that we can match in the replies + * to make sure everything was read from the server. */ + for (j = 0; j < 20; j++) + magic[j] = rand() & 0xff; + memcpy(echo+19,magic,20); + memcpy(obuf,echo,sizeof(echo)-1); + obuf_len = sizeof(echo)-1; + obuf_pos = 0; + printf("All data transferred. Waiting for the last reply...\n"); + } else if (nread == -1) { + fprintf(stderr, "Error reading from stdin: %s\n", + strerror(errno)); + exit(1); + } else { + obuf_len = nread; + obuf_pos = 0; + } + } + if (obuf_len == 0 && eof) break; + } + } + } + redisReaderFree(reader); + printf("errors: %lld, replies: %lld\n", errors, replies); + if (errors) + exit(1); + else + exit(0); +} + #define TYPE_STRING 0 #define TYPE_LIST 1 #define TYPE_SET 2 @@ -1065,6 +1203,7 @@ int main(int argc, char **argv) { config.latency_mode = 0; config.cluster_mode = 0; config.slave_mode = 0; + config.pipe_mode = 0; config.bigkeys = 0; config.stdinarg = 0; config.auth = NULL; @@ -1080,18 +1219,24 @@ int main(int argc, char **argv) { argc -= firstarg; argv += firstarg; - /* Start in latency mode if appropriate */ + /* Latency mode */ if (config.latency_mode) { cliConnect(0); latencyMode(); } - /* Start in slave mode if appropriate */ + /* Slave mode */ if (config.slave_mode) { cliConnect(0); slaveMode(); } + /* Pipe mode */ + if (config.pipe_mode) { + cliConnect(0); + pipeMode(); + } + /* Find big keys */ if (config.bigkeys) { cliConnect(0);