diff options
Diffstat (limited to 'Utilities/cmcurl/lib/sendf.c')
| -rw-r--r-- | Utilities/cmcurl/lib/sendf.c | 359 |
1 files changed, 3 insertions, 356 deletions
diff --git a/Utilities/cmcurl/lib/sendf.c b/Utilities/cmcurl/lib/sendf.c index 6326240..2b08271 100644 --- a/Utilities/cmcurl/lib/sendf.c +++ b/Utilities/cmcurl/lib/sendf.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -138,149 +138,6 @@ static size_t convert_lineends(struct Curl_easy *data, } #endif /* CURL_DO_LINEEND_CONV && !CURL_DISABLE_FTP */ -#ifdef USE_RECV_BEFORE_SEND_WORKAROUND -bool Curl_recv_has_postponed_data(struct connectdata *conn, int sockindex) -{ - struct postponed_data * const psnd = &(conn->postponed[sockindex]); - return psnd->buffer && psnd->allocated_size && - psnd->recv_size > psnd->recv_processed; -} - -static CURLcode pre_receive_plain(struct Curl_easy *data, - struct connectdata *conn, int num) -{ - const curl_socket_t sockfd = conn->sock[num]; - struct postponed_data * const psnd = &(conn->postponed[num]); - size_t bytestorecv = psnd->allocated_size - psnd->recv_size; - ssize_t recvedbytes; - - /* WinSock will destroy unread received data if send() is - failed. - To avoid lossage of received data, recv() must be - performed before every send() if any incoming data is - available. However, skip this, if buffer is already full. */ - if((conn->handler->protocol&PROTO_FAMILY_HTTP) != 0 && - conn->recv[num] == Curl_conn_recv && - (!psnd->buffer || bytestorecv)) { - const int readymask = Curl_socket_check(sockfd, CURL_SOCKET_BAD, - CURL_SOCKET_BAD, 0); - if(readymask != -1 && (readymask & CURL_CSELECT_IN) != 0) { - /* Have some incoming data */ - if(!psnd->buffer) { - /* Use buffer double default size for intermediate buffer */ - psnd->allocated_size = 2 * data->set.buffer_size; - psnd->buffer = malloc(psnd->allocated_size); - if(!psnd->buffer) - return CURLE_OUT_OF_MEMORY; - psnd->recv_size = 0; - psnd->recv_processed = 0; -#ifdef DEBUGBUILD - psnd->bindsock = sockfd; /* Used only for DEBUGASSERT */ -#endif /* DEBUGBUILD */ - bytestorecv = psnd->allocated_size; - } - - DEBUGASSERT(psnd->bindsock == sockfd); - recvedbytes = sread(sockfd, psnd->buffer + psnd->recv_size, - bytestorecv); - if(recvedbytes > 0) - psnd->recv_size += recvedbytes; - } - } - return CURLE_OK; -} - -static ssize_t get_pre_recved(struct connectdata *conn, int num, char *buf, - size_t len) -{ - struct postponed_data * const psnd = &(conn->postponed[num]); - size_t copysize; - if(!psnd->buffer) - return 0; - - DEBUGASSERT(psnd->allocated_size > 0); - DEBUGASSERT(psnd->recv_size <= psnd->allocated_size); - DEBUGASSERT(psnd->recv_processed <= psnd->recv_size); - /* Check and process data that already received and storied in internal - intermediate buffer */ - if(psnd->recv_size > psnd->recv_processed) { - DEBUGASSERT(psnd->bindsock == conn->sock[num]); - copysize = CURLMIN(len, psnd->recv_size - psnd->recv_processed); - memcpy(buf, psnd->buffer + psnd->recv_processed, copysize); - psnd->recv_processed += copysize; - } - else - copysize = 0; /* buffer was allocated, but nothing was received */ - - /* Free intermediate buffer if it has no unprocessed data */ - if(psnd->recv_processed == psnd->recv_size) { - free(psnd->buffer); - psnd->buffer = NULL; - psnd->allocated_size = 0; - psnd->recv_size = 0; - psnd->recv_processed = 0; -#ifdef DEBUGBUILD - psnd->bindsock = CURL_SOCKET_BAD; -#endif /* DEBUGBUILD */ - } - return (ssize_t)copysize; -} -#else /* ! USE_RECV_BEFORE_SEND_WORKAROUND */ -/* Use "do-nothing" macros instead of functions when workaround not used */ -bool Curl_recv_has_postponed_data(struct connectdata *conn, int sockindex) -{ - (void)conn; - (void)sockindex; - return false; -} -#define pre_receive_plain(d,c,n) CURLE_OK -#define get_pre_recved(c,n,b,l) 0 -#endif /* ! USE_RECV_BEFORE_SEND_WORKAROUND */ - -/* Curl_infof() is for info message along the way */ -#define MAXINFO 2048 - -void Curl_infof(struct Curl_easy *data, const char *fmt, ...) -{ - DEBUGASSERT(!strchr(fmt, '\n')); - if(data && data->set.verbose) { - va_list ap; - int len; - char buffer[MAXINFO + 2]; - va_start(ap, fmt); - len = mvsnprintf(buffer, MAXINFO, fmt, ap); - va_end(ap); - buffer[len++] = '\n'; - buffer[len] = '\0'; - Curl_debug(data, CURLINFO_TEXT, buffer, len); - } -} - -/* Curl_failf() is for messages stating why we failed. - * The message SHALL NOT include any LF or CR. - */ - -void Curl_failf(struct Curl_easy *data, const char *fmt, ...) -{ - DEBUGASSERT(!strchr(fmt, '\n')); - if(data->set.verbose || data->set.errorbuffer) { - va_list ap; - int len; - char error[CURL_ERROR_SIZE + 2]; - va_start(ap, fmt); - len = mvsnprintf(error, CURL_ERROR_SIZE, fmt, ap); - - if(data->set.errorbuffer && !data->state.errorbuf) { - strcpy(data->set.errorbuffer, error); - data->state.errorbuf = TRUE; /* wrote error string */ - } - error[len++] = '\n'; - error[len] = '\0'; - Curl_debug(data, CURLINFO_TEXT, error, len); - va_end(ap); - } -} - /* * Curl_write() is an internal write function that sends data to the * server. Works with plain sockets, SCP, SSL or kerberos. @@ -301,7 +158,7 @@ CURLcode Curl_write(struct Curl_easy *data, DEBUGASSERT(data); DEBUGASSERT(data->conn); conn = data->conn; - num = (sockfd == conn->sock[SECONDARYSOCKET]); + num = (sockfd != CURL_SOCKET_BAD && sockfd == conn->sock[SECONDARYSOCKET]); #ifdef CURLDEBUG { @@ -338,153 +195,6 @@ CURLcode Curl_write(struct Curl_easy *data, } } -/* Curl_send_plain sends raw data without a size restriction on 'len'. */ -ssize_t Curl_send_plain(struct Curl_easy *data, int num, - const void *mem, size_t len, CURLcode *code) -{ - struct connectdata *conn; - curl_socket_t sockfd; - ssize_t bytes_written; - - DEBUGASSERT(data); - DEBUGASSERT(data->conn); - conn = data->conn; - sockfd = conn->sock[num]; - /* WinSock will destroy unread received data if send() is - failed. - To avoid lossage of received data, recv() must be - performed before every send() if any incoming data is - available. */ - if(pre_receive_plain(data, conn, num)) { - *code = CURLE_OUT_OF_MEMORY; - return -1; - } - -#if defined(MSG_FASTOPEN) && !defined(TCP_FASTOPEN_CONNECT) /* Linux */ - if(conn->bits.tcp_fastopen) { - bytes_written = sendto(sockfd, mem, len, MSG_FASTOPEN, - conn->ip_addr->ai_addr, conn->ip_addr->ai_addrlen); - conn->bits.tcp_fastopen = FALSE; - } - else -#endif - bytes_written = swrite(sockfd, mem, len); - - *code = CURLE_OK; - if(-1 == bytes_written) { - int err = SOCKERRNO; - - if( -#ifdef WSAEWOULDBLOCK - /* This is how Windows does it */ - (WSAEWOULDBLOCK == err) -#else - /* errno may be EWOULDBLOCK or on some systems EAGAIN when it returned - due to its inability to send off data without blocking. We therefore - treat both error codes the same here */ - (EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err) || - (EINPROGRESS == err) -#endif - ) { - /* this is just a case of EWOULDBLOCK */ - *code = CURLE_AGAIN; - } - else { - char buffer[STRERROR_LEN]; - failf(data, "Send failure: %s", - Curl_strerror(err, buffer, sizeof(buffer))); - data->state.os_errno = err; - *code = CURLE_SEND_ERROR; - } - } - return bytes_written; -} - -/* - * Curl_write_plain() is an internal write function that sends data to the - * server using plain sockets only. Otherwise meant to have the exact same - * proto as Curl_write(). - * - * This function wraps Curl_send_plain(). The only difference besides the - * prototype is '*written' (bytes written) is set to 0 on error. - * 'sockfd' must be one of the connection's two main sockets and the value of - * 'len' must not be changed. - */ -CURLcode Curl_write_plain(struct Curl_easy *data, - curl_socket_t sockfd, - const void *mem, - size_t len, - ssize_t *written) -{ - CURLcode result; - struct connectdata *conn = data->conn; - int num; - DEBUGASSERT(conn); - DEBUGASSERT(sockfd == conn->sock[FIRSTSOCKET] || - sockfd == conn->sock[SECONDARYSOCKET]); - if(sockfd != conn->sock[FIRSTSOCKET] && - sockfd != conn->sock[SECONDARYSOCKET]) - return CURLE_BAD_FUNCTION_ARGUMENT; - - num = (sockfd == conn->sock[SECONDARYSOCKET]); - - *written = Curl_send_plain(data, num, mem, len, &result); - if(*written == -1) - *written = 0; - - return result; -} - -/* Curl_recv_plain receives raw data without a size restriction on 'len'. */ -ssize_t Curl_recv_plain(struct Curl_easy *data, int num, char *buf, - size_t len, CURLcode *code) -{ - struct connectdata *conn; - curl_socket_t sockfd; - ssize_t nread; - DEBUGASSERT(data); - DEBUGASSERT(data->conn); - conn = data->conn; - sockfd = conn->sock[num]; - /* Check and return data that already received and storied in internal - intermediate buffer */ - nread = get_pre_recved(conn, num, buf, len); - if(nread > 0) { - *code = CURLE_OK; - return nread; - } - - nread = sread(sockfd, buf, len); - - *code = CURLE_OK; - if(-1 == nread) { - int err = SOCKERRNO; - - if( -#ifdef WSAEWOULDBLOCK - /* This is how Windows does it */ - (WSAEWOULDBLOCK == err) -#else - /* errno may be EWOULDBLOCK or on some systems EAGAIN when it returned - due to its inability to send off data without blocking. We therefore - treat both error codes the same here */ - (EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err) -#endif - ) { - /* this is just a case of EWOULDBLOCK */ - *code = CURLE_AGAIN; - } - else { - char buffer[STRERROR_LEN]; - failf(data, "Recv failure: %s", - Curl_strerror(err, buffer, sizeof(buffer))); - data->state.os_errno = err; - *code = CURLE_RECV_ERROR; - } - } - return nread; -} - static CURLcode pausewrite(struct Curl_easy *data, int type, /* what type of data */ const char *ptr, @@ -498,8 +208,7 @@ static CURLcode pausewrite(struct Curl_easy *data, unsigned int i; bool newtype = TRUE; - /* If this transfers over HTTP/2, pause the stream! */ - Curl_http2_stream_pause(data, TRUE); + Curl_conn_ev_data_pause(data, TRUE); if(s->tempcount) { for(i = 0; i< s->tempcount; i++) { @@ -678,41 +387,6 @@ CURLcode Curl_client_write(struct Curl_easy *data, } /* - * Curl_read_plain() is an internal read function that reads data from the - * server using plain sockets only. Otherwise meant to have the exact same - * proto as Curl_read(). - * - * This function wraps Curl_recv_plain(). The only difference besides the - * prototype is '*n' (bytes read) is set to 0 on error. - * 'sockfd' must be one of the connection's two main sockets and the value of - * 'sizerequested' must not be changed. - */ -CURLcode Curl_read_plain(struct Curl_easy *data, /* transfer */ - curl_socket_t sockfd, /* read from this socket */ - char *buf, /* store read data here */ - size_t sizerequested, /* max amount to read */ - ssize_t *n) /* amount bytes read */ -{ - CURLcode result; - struct connectdata *conn = data->conn; - int num; - DEBUGASSERT(conn); - DEBUGASSERT(sockfd == conn->sock[FIRSTSOCKET] || - sockfd == conn->sock[SECONDARYSOCKET]); - if(sockfd != conn->sock[FIRSTSOCKET] && - sockfd != conn->sock[SECONDARYSOCKET]) - return CURLE_BAD_FUNCTION_ARGUMENT; - - num = (sockfd == conn->sock[SECONDARYSOCKET]); - - *n = Curl_recv_plain(data, num, buf, sizerequested, &result); - if(*n == -1) - *n = 0; - - return result; -} - -/* * Internal read-from-socket function. This is meant to deal with plain * sockets, SSL sockets and kerberos sockets. * @@ -752,30 +426,3 @@ out: return result; } -/* return 0 on success */ -void Curl_debug(struct Curl_easy *data, curl_infotype type, - char *ptr, size_t size) -{ - if(data->set.verbose) { - static const char s_infotype[CURLINFO_END][3] = { - "* ", "< ", "> ", "{ ", "} ", "{ ", "} " }; - if(data->set.fdebug) { - bool inCallback = Curl_is_in_callback(data); - Curl_set_in_callback(data, true); - (void)(*data->set.fdebug)(data, type, ptr, size, data->set.debugdata); - Curl_set_in_callback(data, inCallback); - } - else { - switch(type) { - case CURLINFO_TEXT: - case CURLINFO_HEADER_OUT: - case CURLINFO_HEADER_IN: - fwrite(s_infotype[type], 2, 1, data->set.err); - fwrite(ptr, size, 1, data->set.err); - break; - default: /* nada */ - break; - } - } - } -} |