| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <string.h> |
| #include <stdlib.h> |
| #include <axutil_stream.h> |
| #include <platforms/axutil_platform_auto_sense.h> |
| |
| /** basic stream operatons **/ |
| int AXIS2_CALL axutil_stream_write_basic( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count); |
| |
| int AXIS2_CALL axutil_stream_read_basic( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count); |
| |
| int AXIS2_CALL axutil_stream_skip_basic( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count); |
| |
| /** file stream operations **/ |
| int AXIS2_CALL axutil_stream_write_file( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count); |
| |
| int AXIS2_CALL axutil_stream_read_file( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count); |
| |
| int AXIS2_CALL axutil_stream_skip_file( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count); |
| |
| /** socket stream operations **/ |
| int AXIS2_CALL axutil_stream_write_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count); |
| |
| int AXIS2_CALL axutil_stream_read_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count); |
| |
| int AXIS2_CALL axutil_stream_skip_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count); |
| |
| AXIS2_EXTERN axutil_stream_t *AXIS2_CALL |
| axutil_stream_create_internal( |
| const axutil_env_t *env) |
| { |
| axutil_stream_t *stream = NULL; |
| stream = (axutil_stream_t *)AXIS2_MALLOC(env->allocator, sizeof(axutil_stream_t)); |
| if(!stream) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory. Cannot create axutil stream"); |
| return NULL; |
| } |
| stream->buffer = NULL; |
| stream->buffer_head = NULL; |
| stream->fp = NULL; |
| stream->socket = -1; |
| stream->len = -1; |
| stream->max_len = -1; |
| stream->axis2_eof = EOF; |
| |
| return stream; |
| } |
| |
| void AXIS2_CALL |
| axutil_stream_free( |
| axutil_stream_t *stream, |
| const axutil_env_t *env) |
| { |
| AXIS2_ENV_CHECK(env, AXIS2_FAILURE); |
| |
| /* avoid access violation / segment fault */ |
| if (stream == NULL) |
| { |
| return; |
| } |
| |
| switch(stream->stream_type) |
| { |
| case AXIS2_STREAM_BASIC: |
| { |
| if(stream->buffer_head) |
| { |
| AXIS2_FREE(env->allocator, stream->buffer_head); |
| } |
| stream->buffer = NULL; |
| stream->len = -1; |
| break; |
| } |
| case AXIS2_STREAM_FILE: |
| { |
| stream->fp = NULL; |
| stream->len = -1; |
| break; |
| } |
| case AXIS2_STREAM_SOCKET: |
| { |
| if(stream->fp) |
| { |
| fclose(stream->fp); |
| } |
| stream->socket = -1; |
| stream->len = -1; |
| break; |
| } |
| default: |
| break; |
| } |
| |
| AXIS2_FREE(env->allocator, stream); |
| } |
| |
| void AXIS2_CALL |
| axutil_stream_free_void_arg( |
| void *stream, |
| const axutil_env_t *env) |
| { |
| axutil_stream_t *stream_l = NULL; |
| |
| stream_l = (axutil_stream_t *)stream; |
| axutil_stream_free(stream_l, env); |
| return; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_flush( |
| axutil_stream_t *stream, |
| const axutil_env_t *env) |
| { |
| if(stream->fp) |
| { |
| if(fflush(stream->fp)) |
| { |
| return AXIS2_FAILURE; |
| } |
| } |
| return AXIS2_SUCCESS; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_close( |
| axutil_stream_t *stream, |
| const axutil_env_t *env) |
| { |
| switch(stream->stream_type) |
| { |
| case AXIS2_STREAM_BASIC: |
| { |
| if(stream->buffer_head) |
| { |
| AXIS2_FREE(env->allocator, stream->buffer_head); |
| } |
| stream->buffer = NULL; |
| stream->len = -1; |
| break; |
| } |
| case AXIS2_STREAM_FILE: |
| { |
| if(stream->fp) |
| { |
| if(fclose(stream->fp)) |
| { |
| return AXIS2_FAILURE; |
| } |
| } |
| stream->fp = NULL; |
| stream->len = -1; |
| break; |
| } |
| case AXIS2_STREAM_SOCKET: |
| { |
| if(stream->fp) |
| { |
| if(fclose(stream->fp)) |
| { |
| return AXIS2_FAILURE; |
| } |
| } |
| stream->socket = -1; |
| stream->len = -1; |
| break; |
| } |
| default: |
| break; |
| } |
| |
| return AXIS2_SUCCESS; |
| } |
| |
| /************************ Basic Stream Operations *****************************/ |
| AXIS2_EXTERN axutil_stream_t *AXIS2_CALL |
| axutil_stream_create_basic( |
| const axutil_env_t *env) |
| { |
| axutil_stream_t *stream = NULL; |
| |
| AXIS2_ENV_CHECK(env, NULL); |
| stream = axutil_stream_create_internal(env); |
| if(!stream) |
| { |
| /* |
| * We leave the error returned by the |
| * axutil_stream_create_internal intact |
| */ |
| return NULL; |
| } |
| stream->stream_type = AXIS2_STREAM_BASIC; |
| stream->read = axutil_stream_read_basic; |
| stream->write = axutil_stream_write_basic; |
| stream->skip = axutil_stream_skip_basic; |
| stream->buffer = (axis2_char_t *)AXIS2_MALLOC(env->allocator, AXIS2_STREAM_DEFAULT_BUF_SIZE |
| * sizeof(axis2_char_t)); |
| stream->buffer_head = stream->buffer; |
| stream->len = 0; |
| stream->max_len = AXIS2_STREAM_DEFAULT_BUF_SIZE; |
| |
| if(!stream->buffer) |
| { |
| axutil_stream_free(stream, env); |
| return NULL; |
| } |
| return stream; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_read_basic( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count) |
| { |
| int len = 0; |
| char *buf = NULL; |
| |
| buf = stream->buffer; |
| if(!buf) |
| { |
| return -1; |
| } |
| if(!buffer) |
| { |
| return -1; |
| } |
| if((int)(count - 1) > stream->len) |
| /* We are sure that the difference lies within the int range */ |
| { |
| len = stream->len; |
| } |
| else |
| { |
| len = (int)(count - 1); |
| /* We are sure that the difference lies within the int range */ |
| } |
| memcpy(buffer, buf, len); |
| /* |
| * Finally we need to remove the read bytes from the stream |
| * adjust the length of the stream. |
| */ |
| stream->len -= len; |
| stream->buffer = buf + len; |
| ((axis2_char_t *)buffer)[len] = '\0'; |
| return len; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_write_basic( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count) |
| { |
| int new_len = 0; |
| |
| if(!buffer) |
| return -1; |
| |
| new_len = (int)(stream->len + count); |
| /* We are sure that the difference lies within the int range */ |
| if(new_len > stream->max_len) |
| { |
| axis2_char_t *tmp = (axis2_char_t *)AXIS2_MALLOC(env->allocator, sizeof(axis2_char_t) |
| * (new_len + AXIS2_STREAM_DEFAULT_BUF_SIZE)); |
| if(!tmp) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); |
| return -1; |
| } |
| /* |
| * pre allocation: extra AXIS2_STREAM_DEFAULT_BUF_SIZE more bytes |
| * allocated |
| */ |
| stream->max_len = new_len + AXIS2_STREAM_DEFAULT_BUF_SIZE; |
| memcpy(tmp, stream->buffer, sizeof(axis2_char_t) * stream->len); |
| AXIS2_FREE(env->allocator, stream->buffer_head); |
| stream->buffer = tmp; |
| stream->buffer_head = tmp; |
| } |
| memcpy(stream->buffer + (stream->len * sizeof(axis2_char_t)), buffer, count); |
| stream->len += (int)count; |
| /* We are sure that the difference lies within the int range */ |
| return (int)count; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_get_len( |
| axutil_stream_t *stream, |
| const axutil_env_t *env) |
| { |
| return stream->len; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_skip_basic( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count) |
| { |
| int del_len = 0; |
| |
| if(count > 0) |
| { |
| if(count <= stream->len) |
| { |
| del_len = count; |
| } |
| else |
| { |
| del_len = stream->len; |
| } |
| stream->len -= del_len; |
| stream->buffer += del_len; |
| return del_len; |
| } |
| return -1; |
| } |
| |
| AXIS2_EXTERN axis2_char_t *AXIS2_CALL |
| axutil_stream_get_buffer( |
| const axutil_stream_t *stream, |
| const axutil_env_t *env) |
| { |
| return stream->buffer; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_flush_buffer( |
| axutil_stream_t *stream, |
| const axutil_env_t *env) |
| { |
| stream->len = 0; |
| return AXIS2_SUCCESS; |
| } |
| |
| /********************* End of Basic Stream Operations *************************/ |
| |
| /************************** File Stream Operations ****************************/ |
| AXIS2_EXTERN axutil_stream_t *AXIS2_CALL |
| axutil_stream_create_file( |
| const axutil_env_t *env, |
| FILE * fp) |
| { |
| axutil_stream_t *stream = NULL; |
| |
| AXIS2_ENV_CHECK(env, NULL); |
| stream = axutil_stream_create_internal(env); |
| if(!stream) |
| { |
| /* |
| * We leave the error returned by the |
| * axutil_stream_create_internal intact |
| */ |
| return NULL; |
| } |
| stream->stream_type = AXIS2_STREAM_FILE; |
| stream->fp = fp; |
| |
| stream->read = axutil_stream_read_file; |
| stream->write = axutil_stream_write_file; |
| stream->skip = axutil_stream_skip_file; |
| |
| return stream; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_read_file( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count) |
| { |
| FILE *fp = NULL; |
| |
| if(!stream->fp) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_FD, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Trying to do operation on invalid file descriptor"); |
| |
| return -1; |
| } |
| fp = stream->fp; |
| if(!buffer) |
| { |
| return -1; |
| } |
| return (int)fread(buffer, sizeof(axis2_char_t), count, fp); |
| /* We are sure that the difference lies within the int range */ |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_write_file( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count) |
| { |
| int len = 0; |
| FILE *fp = NULL; |
| |
| if(!(stream->fp)) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_FD, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Trying to do operation on invalid file descriptor"); |
| |
| return -1; |
| } |
| fp = stream->fp; |
| if(!buffer) |
| return -1; |
| len = (int)fwrite(buffer, sizeof(axis2_char_t), count, fp); |
| /* We are sure that the difference lies within the int range */ |
| return len; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_skip_file( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count) |
| { |
| int c = -1; |
| int i = count; |
| if(!(stream->fp)) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_FD, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Trying to do operation on invalid file descriptor"); |
| return -1; |
| } |
| while(EOF != (c = fgetc(stream->fp)) && i > 0) |
| { |
| i--; |
| } |
| return count - i; |
| } |
| |
| /********************** End of File Stream Operations *************************/ |
| |
| /************************** Socket Stream Operations **************************/ |
| AXIS2_EXTERN axutil_stream_t *AXIS2_CALL |
| axutil_stream_create_socket( |
| const axutil_env_t *env, |
| int socket) |
| { |
| axutil_stream_t *stream = NULL; |
| stream = axutil_stream_create_internal(env); |
| if(!stream) |
| { |
| /* |
| * We leave the error returned by the |
| * axutil_stream_create_internal intact |
| */ |
| return NULL; |
| } |
| |
| stream->read = axutil_stream_read_socket; |
| stream->write = axutil_stream_write_socket; |
| stream->skip = axutil_stream_skip_socket; |
| stream->peek = axutil_stream_peek_socket; |
| stream->stream_type = AXIS2_STREAM_SOCKET; |
| stream->socket = socket; |
| stream->fp = NULL; |
| |
| return stream; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_read_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count) |
| { |
| int len = 0; |
| |
| if(-1 == stream->socket) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_SOCKET, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "Trying to do operation on closed/not-opened socket"); |
| return -1; |
| } |
| if(!buffer) |
| { |
| return -1; |
| } |
| |
| len = (int)recv(stream->socket, buffer, (int)count, 0); |
| /* We are sure that the difference lies within the int range */ |
| #ifdef AXIS2_TCPMON |
| if (len > 1) |
| { |
| axis2_char_t *temp = NULL; |
| temp = (axis2_char_t *) AXIS2_MALLOC(env->allocator, (len + 1) * sizeof(axis2_char_t)); |
| if (temp) |
| { |
| memcpy(temp, buffer, len * sizeof(axis2_char_t)); |
| temp[len] = '\0'; |
| fprintf(stderr, "%s", temp); |
| AXIS2_FREE(env->allocator, temp); |
| } |
| } |
| #endif |
| return len; |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_write_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count) |
| { |
| int len = 0; |
| #ifdef AXIS2_TCPMON |
| axis2_char_t *temp = NULL; |
| #endif |
| |
| if(-1 == stream->socket) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_SOCKET, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "Trying to do operation on closed/not-opened socket"); |
| return -1; |
| } |
| if(!buffer) |
| return -1; |
| len = (int)send(stream->socket, buffer, (int)count, 0); |
| /* We are sure that the difference lies within the int range */ |
| #ifdef AXIS2_TCPMON |
| if (len > 0) |
| { |
| temp = |
| (axis2_char_t *) AXIS2_MALLOC(env->allocator, |
| (len + 1) * sizeof(axis2_char_t)); |
| if (temp) |
| { |
| memcpy(temp, buffer, len * sizeof(axis2_char_t)); |
| temp[len] = '\0'; |
| fprintf(stderr, "%s", temp); |
| AXIS2_FREE(env->allocator, temp); |
| } |
| } |
| #endif |
| return len; |
| |
| } |
| |
| int AXIS2_CALL |
| axutil_stream_skip_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count) |
| { |
| int len = 0; |
| int received = 0; |
| char buffer[2]; |
| |
| if(-1 == stream->socket) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_SOCKET, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "Trying to do operation on closed/not-opened socket"); |
| return -1; |
| } |
| while(len < count) |
| { |
| received = recv(stream->socket, buffer, 1, 0); |
| if(received == 0) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_SOCKET_ERROR, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Socket has being shutdown"); |
| return -1; |
| } |
| if(received < 0) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_SOCKET_ERROR, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Error while trying to read the socke"); |
| return -1; |
| } |
| len += received; |
| } |
| return len; |
| } |
| |
| AXIS2_EXTERN int AXIS2_CALL |
| axutil_stream_peek_socket( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count) |
| { |
| int len = 0; |
| |
| /* Added to prevent a segfault */ |
| AXIS2_PARAM_CHECK(env->error, stream, -1); |
| |
| if(-1 == stream->socket) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_SOCKET, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "Trying to do operation on closed/not-opened socket"); |
| return -1; |
| } |
| if(!buffer) |
| { |
| return -1; |
| } |
| |
| len = (int)recv(stream->socket, buffer, (int)count, MSG_PEEK); |
| /* We are sure that the difference lies within the int range */ |
| |
| return len; |
| } |
| |
| /********************** End of Socket Stream Operations ***********************/ |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_set_read( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| AXUTIL_STREAM_READ func) |
| { |
| stream->read = func; |
| return AXIS2_SUCCESS; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_set_write( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| AXUTIL_STREAM_WRITE func) |
| { |
| stream->write = func; |
| return AXIS2_SUCCESS; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_set_skip( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| AXUTIL_STREAM_SKIP func) |
| { |
| stream->skip = func; |
| return AXIS2_SUCCESS; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axutil_stream_set_peek( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| AXUTIL_STREAM_PEEK func) |
| { |
| stream->peek = func; |
| return AXIS2_SUCCESS; |
| } |
| |
| AXIS2_EXTERN int AXIS2_CALL |
| axutil_stream_read( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| size_t count) |
| { |
| return stream->read(stream, env, buffer, count); |
| } |
| |
| AXIS2_EXTERN int AXIS2_CALL |
| axutil_stream_write( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| const void *buffer, |
| size_t count) |
| { |
| return stream->write(stream, env, buffer, count); |
| } |
| |
| AXIS2_EXTERN int AXIS2_CALL |
| axutil_stream_skip( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| int count) |
| { |
| return stream->skip(stream, env, count); |
| } |
| |
| AXIS2_EXTERN int AXIS2_CALL |
| axutil_stream_peek( |
| axutil_stream_t *stream, |
| const axutil_env_t *env, |
| void *buffer, |
| int count) |
| { |
| return stream->peek(stream, env, buffer, count); |
| } |
| |