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Low Level Routines, Overview
TCP_SendBLOB
| TCP_SendBLOB ( tcp_ID ; blobToSend ) -> Function result | ||||||||
| Parameter | Type | Description | ||||||
| tcp_ID | Longint |
|
Reference to an open TCP session | |||||
| blobToSend | BLOB |
|
Blob to send | |||||
| Function result | Integer |
|
Error Code | |||||
The TCP_SendBLOB command sends data to the TCP session designated by tcp_ID. This command performs the same action as TCP_Send, except that it will send a BLOB instead of a text, which allows bypassing the 32K text limitation. Using this command, you can send binary objects.
tcp_ID is a long integer reference to an open TCP session as established with either the TCP_Open or TCP_Listen command.
blobToSend is the BLOB to be sent to the TCP session referenced by tcp_ID.
Note regarding Platform Independence: If you exchange BLOBs between Macintosh and PC platforms, it is up to you to manage byte swapping issues if necessary.
This example will send a BLOB to the TCP session:
C_BLOB($Blob_Send)
C_TEXT(v_Txt_Send)
TEXT TO BLOB(v_Txt_Send;$Blob_Send;Text without length;*)
$err:=TCP_SendBLOB(v_tcp_ID;$Blob_Send)
Product: 4D
Theme: IC TCP/IP
Number:
88888
Created: 4D Internet Commands 6.7
4D Internet Commands ( 4D v20 R7)
