diff options
Diffstat (limited to 'lib/urldata.h')
| -rw-r--r-- | lib/urldata.h | 82 |
1 files changed, 77 insertions, 5 deletions
diff --git a/lib/urldata.h b/lib/urldata.h index 2068c9a70..e270334c0 100644 --- a/lib/urldata.h +++ b/lib/urldata.h @@ -243,6 +243,42 @@ struct HTTP { /**************************************************************************** * FTP unique setup ***************************************************************************/ +typedef enum { + FTP_STOP, /* do nothing state, stops the state machine */ + FTP_WAIT220, /* waiting for the inintial 220 response immediately after + a connect */ + FTP_AUTH, + FTP_USER, + FTP_PASS, + FTP_ACCT, + FTP_PBSZ, + FTP_PROT, + FTP_PWD, + FTP_QUOTE, /* waiting for a response to a command sent in a quote list */ + FTP_RETR_PREQUOTE, + FTP_STOR_PREQUOTE, + FTP_POSTQUOTE, + FTP_CWD, /* change dir */ + FTP_MKD, /* if the dir didn't exist */ + FTP_MDTM, /* to figure out the datestamp */ + FTP_TYPE, /* to set type when doing a head-like request */ + FTP_LIST_TYPE, /* set type when about to do a dir list */ + FTP_RETR_TYPE, /* set type when about to RETR a file */ + FTP_STOR_TYPE, /* set type when about to STOR a file */ + FTP_SIZE, /* get the remote file's size for head-like request */ + FTP_RETR_SIZE, /* get the remote file's size for RETR */ + FTP_STOR_SIZE, /* get the size for (resumed) STOR */ + FTP_REST, /* when used to check if the server supports it in head-like */ + FTP_RETR_REST, /* when asking for "resume" in for RETR */ + FTP_PORT, /* generic state for PORT, LPRT and EPRT, check count1 */ + FTP_PASV, /* generic state for PASV and EPSV, check count1 */ + FTP_LIST, /* generic state for LIST, NLST or a custom list command */ + FTP_RETR, + FTP_STOR, /* generic state for STOR and APPE */ + FTP_QUIT, + FTP_LAST /* never used */ +} ftpstate; + struct FTP { curl_off_t *bytecountp; char *user; /* user name string */ @@ -271,6 +307,18 @@ struct FTP { bool cwddone; /* if it has been determined that the proper CWD combo already has been done */ char *prevpath; /* conn->path from the previous transfer */ + size_t nread_resp; /* number of bytes currently read of a server response */ + int count1; /* general purpose counter for the state machine */ + int count2; /* general purpose counter for the state machine */ + int count3; /* general purpose counter for the state machine */ + char *sendthis; /* allocated pointer to a buffer that is to be sent to the + ftp server */ + size_t sendleft; /* number of bytes left to send from the sendthis buffer */ + size_t sendsize; /* total size of the sendthis buffer */ + struct timeval response; /* set to Curl_tvnow() when a command has been sent + off, used to time-out response reading */ + ftpstate state; /* always use ftp.c:state() to change state! */ + curl_off_t downloadsize; }; /**************************************************************************** @@ -309,9 +357,12 @@ struct ConnectBits { bool forbidchunk; /* used only to explicitly forbid chunk-upload for specific upload buffers. See readmoredata() in http.c for details. */ - bool tcpconnect; /* the tcp stream (or simimlar) is connected, this - is set the first time on the first connect function - call */ + + bool tcpconnect; /* the TCP layer (or simimlar) is connected, this is set + the first time on the first connect function call */ + bool protoconnstart;/* the protocol layer has STARTED its operation after + the TCP layer connect */ + bool retry; /* this connection is about to get closed and then re-attempted at another connection. */ bool no_body; /* CURLOPT_NO_BODY (or similar) was set */ @@ -510,7 +561,7 @@ struct connectdata { /* These two functions MUST be set by the curl_connect() function to be be protocol dependent */ - CURLcode (*curl_do)(struct connectdata *); + CURLcode (*curl_do)(struct connectdata *, bool *done); CURLcode (*curl_done)(struct connectdata *, CURLcode); /* If the curl_do() function is better made in two halves, this @@ -521,8 +572,29 @@ struct connectdata { /* This function *MAY* be set to a protocol-dependent function that is run * after the connect() and everything is done, as a step in the connection. + * The 'done' pointer points to a bool that should be set to TRUE if the + * function completes before return. If it doesn't complete, the caller + * should call the curl_connecting() function until it is. */ - CURLcode (*curl_connect)(struct connectdata *); + CURLcode (*curl_connect)(struct connectdata *, bool *done); + + /* See above. Currently only used for FTP. */ + CURLcode (*curl_connecting)(struct connectdata *, bool *done); + CURLcode (*curl_doing)(struct connectdata *, bool *done); + + /* Called from the multi interface during the PROTOCONNECT phase, and it + should then return a proper fd set */ + CURLcode (*curl_proto_fdset)(struct connectdata *conn, + fd_set *read_fd_set, + fd_set *write_fd_set, + int *max_fdp); + + /* Called from the multi interface during the DOING phase, and it should + then return a proper fd set */ + CURLcode (*curl_doing_fdset)(struct connectdata *conn, + fd_set *read_fd_set, + fd_set *write_fd_set, + int *max_fdp); /* This function *MAY* be set to a protocol-dependent function that is run * by the curl_disconnect(), as a step in the disconnection. |